Compare commits
No commits in common. "0318fb048b5bfd86157e8ab2d8b13e61ba0979ae" and "a3ba05a4266e04164418475f6d5b6b1af53d6f8f" have entirely different histories.
0318fb048b
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a3ba05a426
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||||||
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@ -18,10 +19,7 @@
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||||||
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||||||
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@ -62,33 +60,29 @@
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@ -181,13 +175,36 @@
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@ -223,8 +240,6 @@
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||||||
|
|
@ -1 +0,0 @@
|
||||||
pip
|
|
||||||
|
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@ -1,20 +0,0 @@
|
||||||
The MIT License (MIT)
|
|
||||||
|
|
||||||
Copyright (c) 2014 Miguel Grinberg
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
||||||
this software and associated documentation files (the "Software"), to deal in
|
|
||||||
the Software without restriction, including without limitation the rights to
|
|
||||||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
||||||
the Software, and to permit persons to whom the Software is furnished to do so,
|
|
||||||
subject to the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be included in all
|
|
||||||
copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
||||||
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
||||||
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
||||||
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
||||||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
||||||
|
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@ -1,77 +0,0 @@
|
||||||
Metadata-Version: 2.1
|
|
||||||
Name: Flask-SocketIO
|
|
||||||
Version: 5.3.6
|
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||||||
Summary: Socket.IO integration for Flask applications
|
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||||||
Home-page: https://github.com/miguelgrinberg/flask-socketio
|
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||||||
Author: Miguel Grinberg
|
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||||||
Author-email: miguel.grinberg@gmail.com
|
|
||||||
Project-URL: Bug Tracker, https://github.com/miguelgrinberg/flask-socketio/issues
|
|
||||||
Classifier: Environment :: Web Environment
|
|
||||||
Classifier: Intended Audience :: Developers
|
|
||||||
Classifier: Programming Language :: Python :: 3
|
|
||||||
Classifier: License :: OSI Approved :: MIT License
|
|
||||||
Classifier: Operating System :: OS Independent
|
|
||||||
Requires-Python: >=3.6
|
|
||||||
Description-Content-Type: text/markdown
|
|
||||||
License-File: LICENSE
|
|
||||||
Requires-Dist: Flask >=0.9
|
|
||||||
Requires-Dist: python-socketio >=5.0.2
|
|
||||||
Provides-Extra: docs
|
|
||||||
Requires-Dist: sphinx ; extra == 'docs'
|
|
||||||
|
|
||||||
Flask-SocketIO
|
|
||||||
==============
|
|
||||||
|
|
||||||
[](https://github.com/miguelgrinberg/Flask-SocketIO/actions) [](https://codecov.io/gh/miguelgrinberg/flask-socketio)
|
|
||||||
|
|
||||||
Socket.IO integration for Flask applications.
|
|
||||||
|
|
||||||
Sponsors
|
|
||||||
--------
|
|
||||||
|
|
||||||
The following organizations are funding this project:
|
|
||||||
|
|
||||||
<br>[Socket.IO](https://socket.io) | [Add your company here!](https://github.com/sponsors/miguelgrinberg)|
|
|
||||||
-|-
|
|
||||||
|
|
||||||
Many individual sponsors also support this project through small ongoing contributions. Why not [join them](https://github.com/sponsors/miguelgrinberg)?
|
|
||||||
|
|
||||||
Installation
|
|
||||||
------------
|
|
||||||
|
|
||||||
You can install this package as usual with pip:
|
|
||||||
|
|
||||||
pip install flask-socketio
|
|
||||||
|
|
||||||
Example
|
|
||||||
-------
|
|
||||||
|
|
||||||
```py
|
|
||||||
from flask import Flask, render_template
|
|
||||||
from flask_socketio import SocketIO, emit
|
|
||||||
|
|
||||||
app = Flask(__name__)
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|
||||||
app.config['SECRET_KEY'] = 'secret!'
|
|
||||||
socketio = SocketIO(app)
|
|
||||||
|
|
||||||
@app.route('/')
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|
||||||
def index():
|
|
||||||
return render_template('index.html')
|
|
||||||
|
|
||||||
@socketio.event
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|
||||||
def my_event(message):
|
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||||||
emit('my response', {'data': 'got it!'})
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
socketio.run(app)
|
|
||||||
```
|
|
||||||
|
|
||||||
Resources
|
|
||||||
---------
|
|
||||||
|
|
||||||
- [Tutorial](http://blog.miguelgrinberg.com/post/easy-websockets-with-flask-and-gevent)
|
|
||||||
- [Documentation](http://flask-socketio.readthedocs.io/en/latest/)
|
|
||||||
- [PyPI](https://pypi.python.org/pypi/Flask-SocketIO)
|
|
||||||
- [Change Log](https://github.com/miguelgrinberg/Flask-SocketIO/blob/main/CHANGES.md)
|
|
||||||
- Questions? See the [questions](https://stackoverflow.com/questions/tagged/flask-socketio) others have asked on Stack Overflow, or [ask](https://stackoverflow.com/questions/ask?tags=python+flask-socketio+python-socketio) your own question.
|
|
||||||
|
|
||||||
|
|
@ -1,13 +0,0 @@
|
||||||
Flask_SocketIO-5.3.6.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/LICENSE,sha256=aNCWbkgKjS_T1cJtACyZbvCM36KxWnfQ0LWTuavuYKQ,1082
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/METADATA,sha256=vmIOzjkNLXRjmocRXtso6hLV27aiJgH7_A55TVJyD4k,2631
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/RECORD,,
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/WHEEL,sha256=yQN5g4mg4AybRjkgi-9yy4iQEFibGQmlz78Pik5Or-A,92
|
|
||||||
Flask_SocketIO-5.3.6.dist-info/top_level.txt,sha256=C1ugzQBJ3HHUJsWGzyt70XRVOX-y4CUAR8MWKjwJOQ8,15
|
|
||||||
flask_socketio/__init__.py,sha256=ea3QXRYKBje4JQGcNSEOmj42qlf2peRNbCzZZWfD9DE,54731
|
|
||||||
flask_socketio/__pycache__/__init__.cpython-312.pyc,,
|
|
||||||
flask_socketio/__pycache__/namespace.cpython-312.pyc,,
|
|
||||||
flask_socketio/__pycache__/test_client.cpython-312.pyc,,
|
|
||||||
flask_socketio/namespace.py,sha256=b3oyXEemu2po-wpoy4ILTHQMVuVQqicogCDxfymfz_w,2020
|
|
||||||
flask_socketio/test_client.py,sha256=9_R1y_vP8yr8wzimQUEMAUyVqX12FMXurLj8t1ecDdc,11034
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
Wheel-Version: 1.0
|
|
||||||
Generator: bdist_wheel (0.41.2)
|
|
||||||
Root-Is-Purelib: true
|
|
||||||
Tag: py3-none-any
|
|
||||||
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
flask_socketio
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
pip
|
|
||||||
|
|
@ -1,376 +0,0 @@
|
||||||
Mozilla Public License Version 2.0
|
|
||||||
==================================
|
|
||||||
|
|
||||||
Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
|
|
||||||
|
|
||||||
1. Definitions
|
|
||||||
--------------
|
|
||||||
|
|
||||||
1.1. "Contributor"
|
|
||||||
means each individual or legal entity that creates, contributes to
|
|
||||||
the creation of, or owns Covered Software.
|
|
||||||
|
|
||||||
1.2. "Contributor Version"
|
|
||||||
means the combination of the Contributions of others (if any) used
|
|
||||||
by a Contributor and that particular Contributor's Contribution.
|
|
||||||
|
|
||||||
1.3. "Contribution"
|
|
||||||
means Covered Software of a particular Contributor.
|
|
||||||
|
|
||||||
1.4. "Covered Software"
|
|
||||||
means Source Code Form to which the initial Contributor has attached
|
|
||||||
the notice in Exhibit A, the Executable Form of such Source Code
|
|
||||||
Form, and Modifications of such Source Code Form, in each case
|
|
||||||
including portions thereof.
|
|
||||||
|
|
||||||
1.5. "Incompatible With Secondary Licenses"
|
|
||||||
means
|
|
||||||
|
|
||||||
(a) that the initial Contributor has attached the notice described
|
|
||||||
in Exhibit B to the Covered Software; or
|
|
||||||
|
|
||||||
(b) that the Covered Software was made available under the terms of
|
|
||||||
version 1.1 or earlier of the License, but not also under the
|
|
||||||
terms of a Secondary License.
|
|
||||||
|
|
||||||
1.6. "Executable Form"
|
|
||||||
means any form of the work other than Source Code Form.
|
|
||||||
|
|
||||||
1.7. "Larger Work"
|
|
||||||
means a work that combines Covered Software with other material, in
|
|
||||||
a separate file or files, that is not Covered Software.
|
|
||||||
|
|
||||||
1.8. "License"
|
|
||||||
means this document.
|
|
||||||
|
|
||||||
1.9. "Licensable"
|
|
||||||
means having the right to grant, to the maximum extent possible,
|
|
||||||
whether at the time of the initial grant or subsequently, any and
|
|
||||||
all of the rights conveyed by this License.
|
|
||||||
|
|
||||||
1.10. "Modifications"
|
|
||||||
means any of the following:
|
|
||||||
|
|
||||||
(a) any file in Source Code Form that results from an addition to,
|
|
||||||
deletion from, or modification of the contents of Covered
|
|
||||||
Software; or
|
|
||||||
|
|
||||||
(b) any new file in Source Code Form that contains any Covered
|
|
||||||
Software.
|
|
||||||
|
|
||||||
1.11. "Patent Claims" of a Contributor
|
|
||||||
means any patent claim(s), including without limitation, method,
|
|
||||||
process, and apparatus claims, in any patent Licensable by such
|
|
||||||
Contributor that would be infringed, but for the grant of the
|
|
||||||
License, by the making, using, selling, offering for sale, having
|
|
||||||
made, import, or transfer of either its Contributions or its
|
|
||||||
Contributor Version.
|
|
||||||
|
|
||||||
1.12. "Secondary License"
|
|
||||||
means either the GNU General Public License, Version 2.0, the GNU
|
|
||||||
Lesser General Public License, Version 2.1, the GNU Affero General
|
|
||||||
Public License, Version 3.0, or any later versions of those
|
|
||||||
licenses.
|
|
||||||
|
|
||||||
1.13. "Source Code Form"
|
|
||||||
means the form of the work preferred for making modifications.
|
|
||||||
|
|
||||||
1.14. "You" (or "Your")
|
|
||||||
means an individual or a legal entity exercising rights under this
|
|
||||||
License. For legal entities, "You" includes any entity that
|
|
||||||
controls, is controlled by, or is under common control with You. For
|
|
||||||
purposes of this definition, "control" means (a) the power, direct
|
|
||||||
or indirect, to cause the direction or management of such entity,
|
|
||||||
whether by contract or otherwise, or (b) ownership of more than
|
|
||||||
fifty percent (50%) of the outstanding shares or beneficial
|
|
||||||
ownership of such entity.
|
|
||||||
|
|
||||||
2. License Grants and Conditions
|
|
||||||
--------------------------------
|
|
||||||
|
|
||||||
2.1. Grants
|
|
||||||
|
|
||||||
Each Contributor hereby grants You a world-wide, royalty-free,
|
|
||||||
non-exclusive license:
|
|
||||||
|
|
||||||
(a) under intellectual property rights (other than patent or trademark)
|
|
||||||
Licensable by such Contributor to use, reproduce, make available,
|
|
||||||
modify, display, perform, distribute, and otherwise exploit its
|
|
||||||
Contributions, either on an unmodified basis, with Modifications, or
|
|
||||||
as part of a Larger Work; and
|
|
||||||
|
|
||||||
(b) under Patent Claims of such Contributor to make, use, sell, offer
|
|
||||||
for sale, have made, import, and otherwise transfer either its
|
|
||||||
Contributions or its Contributor Version.
|
|
||||||
|
|
||||||
2.2. Effective Date
|
|
||||||
|
|
||||||
The licenses granted in Section 2.1 with respect to any Contribution
|
|
||||||
become effective for each Contribution on the date the Contributor first
|
|
||||||
distributes such Contribution.
|
|
||||||
|
|
||||||
2.3. Limitations on Grant Scope
|
|
||||||
|
|
||||||
The licenses granted in this Section 2 are the only rights granted under
|
|
||||||
this License. No additional rights or licenses will be implied from the
|
|
||||||
distribution or licensing of Covered Software under this License.
|
|
||||||
Notwithstanding Section 2.1(b) above, no patent license is granted by a
|
|
||||||
Contributor:
|
|
||||||
|
|
||||||
(a) for any code that a Contributor has removed from Covered Software;
|
|
||||||
or
|
|
||||||
|
|
||||||
(b) for infringements caused by: (i) Your and any other third party's
|
|
||||||
modifications of Covered Software, or (ii) the combination of its
|
|
||||||
Contributions with other software (except as part of its Contributor
|
|
||||||
Version); or
|
|
||||||
|
|
||||||
(c) under Patent Claims infringed by Covered Software in the absence of
|
|
||||||
its Contributions.
|
|
||||||
|
|
||||||
This License does not grant any rights in the trademarks, service marks,
|
|
||||||
or logos of any Contributor (except as may be necessary to comply with
|
|
||||||
the notice requirements in Section 3.4).
|
|
||||||
|
|
||||||
2.4. Subsequent Licenses
|
|
||||||
|
|
||||||
No Contributor makes additional grants as a result of Your choice to
|
|
||||||
distribute the Covered Software under a subsequent version of this
|
|
||||||
License (see Section 10.2) or under the terms of a Secondary License (if
|
|
||||||
permitted under the terms of Section 3.3).
|
|
||||||
|
|
||||||
2.5. Representation
|
|
||||||
|
|
||||||
Each Contributor represents that the Contributor believes its
|
|
||||||
Contributions are its original creation(s) or it has sufficient rights
|
|
||||||
to grant the rights to its Contributions conveyed by this License.
|
|
||||||
|
|
||||||
2.6. Fair Use
|
|
||||||
|
|
||||||
This License is not intended to limit any rights You have under
|
|
||||||
applicable copyright doctrines of fair use, fair dealing, or other
|
|
||||||
equivalents.
|
|
||||||
|
|
||||||
2.7. Conditions
|
|
||||||
|
|
||||||
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
|
|
||||||
in Section 2.1.
|
|
||||||
|
|
||||||
3. Responsibilities
|
|
||||||
-------------------
|
|
||||||
|
|
||||||
3.1. Distribution of Source Form
|
|
||||||
|
|
||||||
All distribution of Covered Software in Source Code Form, including any
|
|
||||||
Modifications that You create or to which You contribute, must be under
|
|
||||||
the terms of this License. You must inform recipients that the Source
|
|
||||||
Code Form of the Covered Software is governed by the terms of this
|
|
||||||
License, and how they can obtain a copy of this License. You may not
|
|
||||||
attempt to alter or restrict the recipients' rights in the Source Code
|
|
||||||
Form.
|
|
||||||
|
|
||||||
3.2. Distribution of Executable Form
|
|
||||||
|
|
||||||
If You distribute Covered Software in Executable Form then:
|
|
||||||
|
|
||||||
(a) such Covered Software must also be made available in Source Code
|
|
||||||
Form, as described in Section 3.1, and You must inform recipients of
|
|
||||||
the Executable Form how they can obtain a copy of such Source Code
|
|
||||||
Form by reasonable means in a timely manner, at a charge no more
|
|
||||||
than the cost of distribution to the recipient; and
|
|
||||||
|
|
||||||
(b) You may distribute such Executable Form under the terms of this
|
|
||||||
License, or sublicense it under different terms, provided that the
|
|
||||||
license for the Executable Form does not attempt to limit or alter
|
|
||||||
the recipients' rights in the Source Code Form under this License.
|
|
||||||
|
|
||||||
3.3. Distribution of a Larger Work
|
|
||||||
|
|
||||||
You may create and distribute a Larger Work under terms of Your choice,
|
|
||||||
provided that You also comply with the requirements of this License for
|
|
||||||
the Covered Software. If the Larger Work is a combination of Covered
|
|
||||||
Software with a work governed by one or more Secondary Licenses, and the
|
|
||||||
Covered Software is not Incompatible With Secondary Licenses, this
|
|
||||||
License permits You to additionally distribute such Covered Software
|
|
||||||
under the terms of such Secondary License(s), so that the recipient of
|
|
||||||
the Larger Work may, at their option, further distribute the Covered
|
|
||||||
Software under the terms of either this License or such Secondary
|
|
||||||
License(s).
|
|
||||||
|
|
||||||
3.4. Notices
|
|
||||||
|
|
||||||
You may not remove or alter the substance of any license notices
|
|
||||||
(including copyright notices, patent notices, disclaimers of warranty,
|
|
||||||
or limitations of liability) contained within the Source Code Form of
|
|
||||||
the Covered Software, except that You may alter any license notices to
|
|
||||||
the extent required to remedy known factual inaccuracies.
|
|
||||||
|
|
||||||
3.5. Application of Additional Terms
|
|
||||||
|
|
||||||
You may choose to offer, and to charge a fee for, warranty, support,
|
|
||||||
indemnity or liability obligations to one or more recipients of Covered
|
|
||||||
Software. However, You may do so only on Your own behalf, and not on
|
|
||||||
behalf of any Contributor. You must make it absolutely clear that any
|
|
||||||
such warranty, support, indemnity, or liability obligation is offered by
|
|
||||||
You alone, and You hereby agree to indemnify every Contributor for any
|
|
||||||
liability incurred by such Contributor as a result of warranty, support,
|
|
||||||
indemnity or liability terms You offer. You may include additional
|
|
||||||
disclaimers of warranty and limitations of liability specific to any
|
|
||||||
jurisdiction.
|
|
||||||
|
|
||||||
4. Inability to Comply Due to Statute or Regulation
|
|
||||||
---------------------------------------------------
|
|
||||||
|
|
||||||
If it is impossible for You to comply with any of the terms of this
|
|
||||||
License with respect to some or all of the Covered Software due to
|
|
||||||
statute, judicial order, or regulation then You must: (a) comply with
|
|
||||||
the terms of this License to the maximum extent possible; and (b)
|
|
||||||
describe the limitations and the code they affect. Such description must
|
|
||||||
be placed in a text file included with all distributions of the Covered
|
|
||||||
Software under this License. Except to the extent prohibited by statute
|
|
||||||
or regulation, such description must be sufficiently detailed for a
|
|
||||||
recipient of ordinary skill to be able to understand it.
|
|
||||||
|
|
||||||
5. Termination
|
|
||||||
--------------
|
|
||||||
|
|
||||||
5.1. The rights granted under this License will terminate automatically
|
|
||||||
if You fail to comply with any of its terms. However, if You become
|
|
||||||
compliant, then the rights granted under this License from a particular
|
|
||||||
Contributor are reinstated (a) provisionally, unless and until such
|
|
||||||
Contributor explicitly and finally terminates Your grants, and (b) on an
|
|
||||||
ongoing basis, if such Contributor fails to notify You of the
|
|
||||||
non-compliance by some reasonable means prior to 60 days after You have
|
|
||||||
come back into compliance. Moreover, Your grants from a particular
|
|
||||||
Contributor are reinstated on an ongoing basis if such Contributor
|
|
||||||
notifies You of the non-compliance by some reasonable means, this is the
|
|
||||||
first time You have received notice of non-compliance with this License
|
|
||||||
from such Contributor, and You become compliant prior to 30 days after
|
|
||||||
Your receipt of the notice.
|
|
||||||
|
|
||||||
5.2. If You initiate litigation against any entity by asserting a patent
|
|
||||||
infringement claim (excluding declaratory judgment actions,
|
|
||||||
counter-claims, and cross-claims) alleging that a Contributor Version
|
|
||||||
directly or indirectly infringes any patent, then the rights granted to
|
|
||||||
You by any and all Contributors for the Covered Software under Section
|
|
||||||
2.1 of this License shall terminate.
|
|
||||||
|
|
||||||
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
|
|
||||||
end user license agreements (excluding distributors and resellers) which
|
|
||||||
have been validly granted by You or Your distributors under this License
|
|
||||||
prior to termination shall survive termination.
|
|
||||||
|
|
||||||
************************************************************************
|
|
||||||
* *
|
|
||||||
* 6. Disclaimer of Warranty *
|
|
||||||
* ------------------------- *
|
|
||||||
* *
|
|
||||||
* Covered Software is provided under this License on an "as is" *
|
|
||||||
* basis, without warranty of any kind, either expressed, implied, or *
|
|
||||||
* statutory, including, without limitation, warranties that the *
|
|
||||||
* Covered Software is free of defects, merchantable, fit for a *
|
|
||||||
* particular purpose or non-infringing. The entire risk as to the *
|
|
||||||
* quality and performance of the Covered Software is with You. *
|
|
||||||
* Should any Covered Software prove defective in any respect, You *
|
|
||||||
* (not any Contributor) assume the cost of any necessary servicing, *
|
|
||||||
* repair, or correction. This disclaimer of warranty constitutes an *
|
|
||||||
* essential part of this License. No use of any Covered Software is *
|
|
||||||
* authorized under this License except under this disclaimer. *
|
|
||||||
* *
|
|
||||||
************************************************************************
|
|
||||||
|
|
||||||
************************************************************************
|
|
||||||
* *
|
|
||||||
* 7. Limitation of Liability *
|
|
||||||
* -------------------------- *
|
|
||||||
* *
|
|
||||||
* Under no circumstances and under no legal theory, whether tort *
|
|
||||||
* (including negligence), contract, or otherwise, shall any *
|
|
||||||
* Contributor, or anyone who distributes Covered Software as *
|
|
||||||
* permitted above, be liable to You for any direct, indirect, *
|
|
||||||
* special, incidental, or consequential damages of any character *
|
|
||||||
* including, without limitation, damages for lost profits, loss of *
|
|
||||||
* goodwill, work stoppage, computer failure or malfunction, or any *
|
|
||||||
* and all other commercial damages or losses, even if such party *
|
|
||||||
* shall have been informed of the possibility of such damages. This *
|
|
||||||
* limitation of liability shall not apply to liability for death or *
|
|
||||||
* personal injury resulting from such party's negligence to the *
|
|
||||||
* extent applicable law prohibits such limitation. Some *
|
|
||||||
* jurisdictions do not allow the exclusion or limitation of *
|
|
||||||
* incidental or consequential damages, so this exclusion and *
|
|
||||||
* limitation may not apply to You. *
|
|
||||||
* *
|
|
||||||
************************************************************************
|
|
||||||
|
|
||||||
8. Litigation
|
|
||||||
-------------
|
|
||||||
|
|
||||||
Any litigation relating to this License may be brought only in the
|
|
||||||
courts of a jurisdiction where the defendant maintains its principal
|
|
||||||
place of business and such litigation shall be governed by laws of that
|
|
||||||
jurisdiction, without reference to its conflict-of-law provisions.
|
|
||||||
Nothing in this Section shall prevent a party's ability to bring
|
|
||||||
cross-claims or counter-claims.
|
|
||||||
|
|
||||||
9. Miscellaneous
|
|
||||||
----------------
|
|
||||||
|
|
||||||
This License represents the complete agreement concerning the subject
|
|
||||||
matter hereof. If any provision of this License is held to be
|
|
||||||
unenforceable, such provision shall be reformed only to the extent
|
|
||||||
necessary to make it enforceable. Any law or regulation which provides
|
|
||||||
that the language of a contract shall be construed against the drafter
|
|
||||||
shall not be used to construe this License against a Contributor.
|
|
||||||
|
|
||||||
10. Versions of the License
|
|
||||||
---------------------------
|
|
||||||
|
|
||||||
10.1. New Versions
|
|
||||||
|
|
||||||
Mozilla Foundation is the license steward. Except as provided in Section
|
|
||||||
10.3, no one other than the license steward has the right to modify or
|
|
||||||
publish new versions of this License. Each version will be given a
|
|
||||||
distinguishing version number.
|
|
||||||
|
|
||||||
10.2. Effect of New Versions
|
|
||||||
|
|
||||||
You may distribute the Covered Software under the terms of the version
|
|
||||||
of the License under which You originally received the Covered Software,
|
|
||||||
or under the terms of any subsequent version published by the license
|
|
||||||
steward.
|
|
||||||
|
|
||||||
10.3. Modified Versions
|
|
||||||
|
|
||||||
If you create software not governed by this License, and you want to
|
|
||||||
create a new license for such software, you may create and use a
|
|
||||||
modified version of this License if you rename the license and remove
|
|
||||||
any references to the name of the license steward (except to note that
|
|
||||||
such modified license differs from this License).
|
|
||||||
|
|
||||||
10.4. Distributing Source Code Form that is Incompatible With Secondary
|
|
||||||
Licenses
|
|
||||||
|
|
||||||
If You choose to distribute Source Code Form that is Incompatible With
|
|
||||||
Secondary Licenses under the terms of this version of the License, the
|
|
||||||
notice described in Exhibit B of this License must be attached.
|
|
||||||
|
|
||||||
Exhibit A - Source Code Form License Notice
|
|
||||||
-------------------------------------------
|
|
||||||
|
|
||||||
This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
If it is not possible or desirable to put the notice in a particular
|
|
||||||
file, then You may include the notice in a location (such as a LICENSE
|
|
||||||
file in a relevant directory) where a recipient would be likely to look
|
|
||||||
for such a notice.
|
|
||||||
|
|
||||||
You may add additional accurate notices of copyright ownership.
|
|
||||||
|
|
||||||
Exhibit B - "Incompatible With Secondary Licenses" Notice
|
|
||||||
---------------------------------------------------------
|
|
||||||
|
|
||||||
This Source Code Form is "Incompatible With Secondary Licenses", as
|
|
||||||
defined by the Mozilla Public License, v. 2.0.
|
|
||||||
|
|
@ -1,260 +0,0 @@
|
||||||
Metadata-Version: 2.1
|
|
||||||
Name: bidict
|
|
||||||
Version: 0.23.1
|
|
||||||
Summary: The bidirectional mapping library for Python.
|
|
||||||
Author-email: Joshua Bronson <jabronson@gmail.com>
|
|
||||||
License: MPL 2.0
|
|
||||||
Project-URL: Changelog, https://bidict.readthedocs.io/changelog.html
|
|
||||||
Project-URL: Documentation, https://bidict.readthedocs.io
|
|
||||||
Project-URL: Funding, https://bidict.readthedocs.io/#sponsoring
|
|
||||||
Project-URL: Repository, https://github.com/jab/bidict
|
|
||||||
Keywords: bidict,bimap,bidirectional,dict,dictionary,mapping,collections
|
|
||||||
Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)
|
|
||||||
Classifier: Operating System :: OS Independent
|
|
||||||
Classifier: Programming Language :: Python :: Implementation :: CPython
|
|
||||||
Classifier: Programming Language :: Python :: Implementation :: PyPy
|
|
||||||
Classifier: Typing :: Typed
|
|
||||||
Requires-Python: >=3.8
|
|
||||||
Description-Content-Type: text/x-rst
|
|
||||||
License-File: LICENSE
|
|
||||||
|
|
||||||
.. role:: doc
|
|
||||||
.. (Forward declaration for the "doc" role that Sphinx defines for interop with renderers that
|
|
||||||
are often used to show this doc and that are unaware of Sphinx (GitHub.com, PyPI.org, etc.).
|
|
||||||
Use :doc: rather than :ref: here for better interop as well.)
|
|
||||||
|
|
||||||
|
|
||||||
bidict
|
|
||||||
======
|
|
||||||
|
|
||||||
*The bidirectional mapping library for Python.*
|
|
||||||
|
|
||||||
|
|
||||||
Status
|
|
||||||
------
|
|
||||||
|
|
||||||
.. image:: https://img.shields.io/pypi/v/bidict.svg
|
|
||||||
:target: https://pypi.org/project/bidict
|
|
||||||
:alt: Latest release
|
|
||||||
|
|
||||||
.. image:: https://img.shields.io/readthedocs/bidict/main.svg
|
|
||||||
:target: https://bidict.readthedocs.io/en/main/
|
|
||||||
:alt: Documentation
|
|
||||||
|
|
||||||
.. image:: https://github.com/jab/bidict/actions/workflows/test.yml/badge.svg
|
|
||||||
:target: https://github.com/jab/bidict/actions/workflows/test.yml?query=branch%3Amain
|
|
||||||
:alt: GitHub Actions CI status
|
|
||||||
|
|
||||||
.. image:: https://img.shields.io/pypi/l/bidict.svg
|
|
||||||
:target: https://raw.githubusercontent.com/jab/bidict/main/LICENSE
|
|
||||||
:alt: License
|
|
||||||
|
|
||||||
.. image:: https://static.pepy.tech/badge/bidict
|
|
||||||
:target: https://pepy.tech/project/bidict
|
|
||||||
:alt: PyPI Downloads
|
|
||||||
|
|
||||||
.. image:: https://img.shields.io/badge/GitHub-sponsor-ff69b4
|
|
||||||
:target: https://github.com/sponsors/jab
|
|
||||||
:alt: Sponsor
|
|
||||||
|
|
||||||
|
|
||||||
Features
|
|
||||||
--------
|
|
||||||
|
|
||||||
- Mature: Depended on by
|
|
||||||
Google, Venmo, CERN, Baidu, Tencent,
|
|
||||||
and teams across the world since 2009
|
|
||||||
|
|
||||||
- Familiar, Pythonic APIs
|
|
||||||
that are carefully designed for
|
|
||||||
safety, simplicity, flexibility, and ergonomics
|
|
||||||
|
|
||||||
- Lightweight, with no runtime dependencies
|
|
||||||
outside Python's standard library
|
|
||||||
|
|
||||||
- Implemented in
|
|
||||||
concise, well-factored, fully type-hinted Python code
|
|
||||||
that is optimized for running efficiently
|
|
||||||
as well as for long-term maintenance and stability
|
|
||||||
(as well as `joy <#learning-from-bidict>`__)
|
|
||||||
|
|
||||||
- Extensively `documented <https://bidict.readthedocs.io>`__
|
|
||||||
|
|
||||||
- 100% test coverage
|
|
||||||
running continuously across all supported Python versions
|
|
||||||
(including property-based tests and benchmarks)
|
|
||||||
|
|
||||||
|
|
||||||
Installation
|
|
||||||
------------
|
|
||||||
|
|
||||||
``pip install bidict``
|
|
||||||
|
|
||||||
|
|
||||||
Quick Start
|
|
||||||
-----------
|
|
||||||
|
|
||||||
.. code:: python
|
|
||||||
|
|
||||||
>>> from bidict import bidict
|
|
||||||
>>> element_by_symbol = bidict({'H': 'hydrogen'})
|
|
||||||
>>> element_by_symbol['H']
|
|
||||||
'hydrogen'
|
|
||||||
>>> element_by_symbol.inverse['hydrogen']
|
|
||||||
'H'
|
|
||||||
|
|
||||||
|
|
||||||
For more usage documentation,
|
|
||||||
head to the :doc:`intro` [#fn-intro]_
|
|
||||||
and proceed from there.
|
|
||||||
|
|
||||||
|
|
||||||
Enterprise Support
|
|
||||||
------------------
|
|
||||||
|
|
||||||
Enterprise-level support for bidict can be obtained via the
|
|
||||||
`Tidelift subscription <https://tidelift.com/subscription/pkg/pypi-bidict?utm_source=pypi-bidict&utm_medium=referral&utm_campaign=readme>`__
|
|
||||||
or by `contacting me directly <mailto:jabronson@gmail.com>`__.
|
|
||||||
|
|
||||||
I have a US-based LLC set up for invoicing,
|
|
||||||
and I have 15+ years of professional experience
|
|
||||||
delivering software and support to companies successfully.
|
|
||||||
|
|
||||||
You can also sponsor my work through several platforms, including GitHub Sponsors.
|
|
||||||
See the `Sponsoring <#sponsoring>`__ section below for details,
|
|
||||||
including rationale and examples of companies
|
|
||||||
supporting the open source projects they depend on.
|
|
||||||
|
|
||||||
|
|
||||||
Voluntary Community Support
|
|
||||||
---------------------------
|
|
||||||
|
|
||||||
Please search through already-asked questions and answers
|
|
||||||
in `GitHub Discussions <https://github.com/jab/bidict/discussions>`__
|
|
||||||
and the `issue tracker <https://github.com/jab/bidict/issues?q=is%3Aissue>`__
|
|
||||||
in case your question has already been addressed.
|
|
||||||
|
|
||||||
Otherwise, please feel free to
|
|
||||||
`start a new discussion <https://github.com/jab/bidict/discussions>`__
|
|
||||||
or `create a new issue <https://github.com/jab/bidict/issues/new>`__ on GitHub
|
|
||||||
for voluntary community support.
|
|
||||||
|
|
||||||
|
|
||||||
Notice of Usage
|
|
||||||
---------------
|
|
||||||
|
|
||||||
If you use bidict,
|
|
||||||
and especially if your usage or your organization is significant in some way,
|
|
||||||
please let me know in any of the following ways:
|
|
||||||
|
|
||||||
- `star bidict on GitHub <https://github.com/jab/bidict>`__
|
|
||||||
- post in `GitHub Discussions <https://github.com/jab/bidict/discussions>`__
|
|
||||||
- `email me <mailto:jabronson@gmail.com>`__
|
|
||||||
|
|
||||||
|
|
||||||
Changelog
|
|
||||||
---------
|
|
||||||
|
|
||||||
For bidict release notes, see the :doc:`changelog`. [#fn-changelog]_
|
|
||||||
|
|
||||||
|
|
||||||
Release Notifications
|
|
||||||
---------------------
|
|
||||||
|
|
||||||
.. duplicated in CHANGELOG.rst:
|
|
||||||
(Would use `.. include::` but GitHub's renderer doesn't support it.)
|
|
||||||
|
|
||||||
Watch `bidict releases on GitHub <https://github.com/jab/bidict/releases>`__
|
|
||||||
to be notified when new versions of bidict are published.
|
|
||||||
Click the "Watch" dropdown, choose "Custom", and then choose "Releases".
|
|
||||||
|
|
||||||
|
|
||||||
Learning from bidict
|
|
||||||
--------------------
|
|
||||||
|
|
||||||
One of the best things about bidict
|
|
||||||
is that it touches a surprising number of
|
|
||||||
interesting Python corners,
|
|
||||||
especially given its small size and scope.
|
|
||||||
|
|
||||||
Check out :doc:`learning-from-bidict` [#fn-learning]_
|
|
||||||
if you're interested in learning more.
|
|
||||||
|
|
||||||
|
|
||||||
Contributing
|
|
||||||
------------
|
|
||||||
|
|
||||||
I have been bidict's sole maintainer
|
|
||||||
and `active contributor <https://github.com/jab/bidict/graphs/contributors>`__
|
|
||||||
since I started the project ~15 years ago.
|
|
||||||
|
|
||||||
Your help would be most welcome!
|
|
||||||
See the :doc:`contributors-guide` [#fn-contributing]_
|
|
||||||
for more information.
|
|
||||||
|
|
||||||
|
|
||||||
Sponsoring
|
|
||||||
----------
|
|
||||||
|
|
||||||
.. duplicated in CONTRIBUTING.rst
|
|
||||||
(Would use `.. include::` but GitHub's renderer doesn't support it.)
|
|
||||||
|
|
||||||
.. image:: https://img.shields.io/badge/GitHub-sponsor-ff69b4
|
|
||||||
:target: https://github.com/sponsors/jab
|
|
||||||
:alt: Sponsor through GitHub
|
|
||||||
|
|
||||||
Bidict is the product of thousands of hours of my unpaid work
|
|
||||||
over the 15+ years that I've been the sole maintainer.
|
|
||||||
|
|
||||||
If bidict has helped you or your company accomplish your work,
|
|
||||||
please sponsor my work through one of the following,
|
|
||||||
and/or ask your company to do the same:
|
|
||||||
|
|
||||||
- `GitHub <https://github.com/sponsors/jab>`__
|
|
||||||
- `PayPal <https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=jabronson%40gmail%2ecom&lc=US&item_name=Sponsor%20bidict>`__
|
|
||||||
- `Tidelift <https://tidelift.com>`__
|
|
||||||
- `thanks.dev <https://thanks.dev>`__
|
|
||||||
- `Gumroad <https://gumroad.com/l/bidict>`__
|
|
||||||
- `a support engagement with my LLC <#enterprise-support>`__
|
|
||||||
|
|
||||||
If you're not sure which to use, GitHub is an easy option,
|
|
||||||
especially if you already have a GitHub account.
|
|
||||||
Just choose a monthly or one-time amount, and GitHub handles everything else.
|
|
||||||
Your bidict sponsorship on GitHub will automatically go
|
|
||||||
on the same regular bill as any other GitHub charges you pay for.
|
|
||||||
PayPal is another easy option for one-time contributions.
|
|
||||||
|
|
||||||
See the following for rationale and examples of companies
|
|
||||||
supporting the open source projects they depend on
|
|
||||||
in this manner:
|
|
||||||
|
|
||||||
- `<https://engineering.atspotify.com/2022/04/announcing-the-spotify-foss-fund/>`__
|
|
||||||
- `<https://blog.sentry.io/2021/10/21/we-just-gave-154-999-dollars-and-89-cents-to-open-source-maintainers>`__
|
|
||||||
- `<https://engineering.indeedblog.com/blog/2019/07/foss-fund-six-months-in/>`__
|
|
||||||
|
|
||||||
.. - `<https://sethmlarson.dev/blog/people-in-your-software-supply-chain>`__
|
|
||||||
.. - `<https://www.cognitect.com/blog/supporting-open-source-developers>`__
|
|
||||||
.. - `<https://vorpus.org/blog/the-unreasonable-effectiveness-of-investment-in-open-source-infrastructure/>`__
|
|
||||||
|
|
||||||
|
|
||||||
Finding Documentation
|
|
||||||
---------------------
|
|
||||||
|
|
||||||
If you're viewing this on `<https://bidict.readthedocs.io>`__,
|
|
||||||
note that multiple versions of the documentation are available,
|
|
||||||
and you can choose a different version using the popup menu at the bottom-right.
|
|
||||||
Please make sure you're viewing the version of the documentation
|
|
||||||
that corresponds to the version of bidict you'd like to use.
|
|
||||||
|
|
||||||
If you're viewing this on GitHub, PyPI, or some other place
|
|
||||||
that can't render and link this documentation properly
|
|
||||||
and are seeing broken links,
|
|
||||||
try these alternate links instead:
|
|
||||||
|
|
||||||
.. [#fn-intro] `<https://bidict.readthedocs.io/intro.html>`__ | `<docs/intro.rst>`__
|
|
||||||
|
|
||||||
.. [#fn-changelog] `<https://bidict.readthedocs.io/changelog.html>`__ | `<CHANGELOG.rst>`__
|
|
||||||
|
|
||||||
.. [#fn-learning] `<https://bidict.readthedocs.io/learning-from-bidict.html>`__ | `<docs/learning-from-bidict.rst>`__
|
|
||||||
|
|
||||||
.. [#fn-contributing] `<https://bidict.readthedocs.io/contributors-guide.html>`__ | `<CONTRIBUTING.rst>`__
|
|
||||||
|
|
@ -1,31 +0,0 @@
|
||||||
bidict-0.23.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
|
|
||||||
bidict-0.23.1.dist-info/LICENSE,sha256=8_U63OyqSNc6ZuI4-lupBstBh2eDtF0ooTRrMULuvZo,16784
|
|
||||||
bidict-0.23.1.dist-info/METADATA,sha256=2ovIRm6Df8gdwAMekGqkeBSF5TWj2mv1jpmh4W4ks7o,8704
|
|
||||||
bidict-0.23.1.dist-info/RECORD,,
|
|
||||||
bidict-0.23.1.dist-info/WHEEL,sha256=oiQVh_5PnQM0E3gPdiz09WCNmwiHDMaGer_elqB3coM,92
|
|
||||||
bidict-0.23.1.dist-info/top_level.txt,sha256=WuQO02jp0ODioS7sJoaHg3JJ5_3h6Sxo9RITvNGPYmc,7
|
|
||||||
bidict/__init__.py,sha256=pL87KsrDpBsl3AG09LQk1t1TSFt0hIJVYa2POMdErN8,4398
|
|
||||||
bidict/__pycache__/__init__.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_abc.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_base.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_bidict.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_dup.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_exc.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_frozen.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_iter.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_orderedbase.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_orderedbidict.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/_typing.cpython-312.pyc,,
|
|
||||||
bidict/__pycache__/metadata.cpython-312.pyc,,
|
|
||||||
bidict/_abc.py,sha256=SMCNdCsmqSWg0OGnMZtnnXY8edjXcyZup5tva4HBm_c,3172
|
|
||||||
bidict/_base.py,sha256=YiauA0aj52fNB6cfZ4gBt6OV-CRQoZm7WVhuw1nT-Cg,24439
|
|
||||||
bidict/_bidict.py,sha256=Sr-RoEzWOaxpnDRbDJ7ngaGRIsyGnqZgzvR-NyT4jl4,6923
|
|
||||||
bidict/_dup.py,sha256=YAn5gWA6lwMBA5A6ebVF19UTZyambGS8WxmbK4TN1Ww,2079
|
|
||||||
bidict/_exc.py,sha256=HnD_WgteI5PrXa3zBx9RUiGlgnZTO6CF4nIU9p3-njk,1066
|
|
||||||
bidict/_frozen.py,sha256=p4TaRHKeyTs0KmlpwSnZiTlN_CR4J97kAgBpNdZHQMs,1771
|
|
||||||
bidict/_iter.py,sha256=zVUx-hJ1M4YuJROoFWRjPKlcaFnyo1AAuRpOaKAFhOQ,1530
|
|
||||||
bidict/_orderedbase.py,sha256=M7v5rHa7vrym9Z3DxQBFQDxjnrr39Z8p26V0c1PggoE,8942
|
|
||||||
bidict/_orderedbidict.py,sha256=pPnmC19mIISrj8_yjnb-4r_ti1B74tD5eTd08DETNuI,7080
|
|
||||||
bidict/_typing.py,sha256=AylMZpBhEFTQegfziPSxfKkKLk7oUsH6o3awDIg2z_k,1289
|
|
||||||
bidict/metadata.py,sha256=BMIKu6fBY_OKeV_q48EpumE7MdmFw8rFcdaUz8kcIYk,573
|
|
||||||
bidict/py.typed,sha256=RJao5SVFYIp8IfbxhL_SpZkBQYe3XXzPlobSRdh4B_c,16
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
Wheel-Version: 1.0
|
|
||||||
Generator: bdist_wheel (0.42.0)
|
|
||||||
Root-Is-Purelib: true
|
|
||||||
Tag: py3-none-any
|
|
||||||
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
bidict
|
|
||||||
|
|
@ -1,103 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# ============================================================================
|
|
||||||
# * Welcome to the bidict source code *
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
# Reading through the code? You'll find a "Code review nav" comment like the one
|
|
||||||
# below at the top and bottom of the key source files. Follow these cues to take
|
|
||||||
# a path through the code that's optimized for familiarizing yourself with it.
|
|
||||||
#
|
|
||||||
# If you're not reading this on https://github.com/jab/bidict already, go there
|
|
||||||
# to ensure you have the latest version of the code. While there, you can also
|
|
||||||
# star the project, watch it for updates, fork the code, and submit an issue or
|
|
||||||
# pull request with any proposed changes. More information can be found linked
|
|
||||||
# from README.rst, which is also shown on https://github.com/jab/bidict.
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# Current: __init__.py Next: _abc.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""The bidirectional mapping library for Python.
|
|
||||||
|
|
||||||
----
|
|
||||||
|
|
||||||
bidict by example:
|
|
||||||
|
|
||||||
.. code-block:: python
|
|
||||||
|
|
||||||
>>> from bidict import bidict
|
|
||||||
>>> element_by_symbol = bidict({'H': 'hydrogen'})
|
|
||||||
>>> element_by_symbol['H']
|
|
||||||
'hydrogen'
|
|
||||||
>>> element_by_symbol.inverse['hydrogen']
|
|
||||||
'H'
|
|
||||||
|
|
||||||
|
|
||||||
Please see https://github.com/jab/bidict for the most up-to-date code and
|
|
||||||
https://bidict.readthedocs.io for the most up-to-date documentation
|
|
||||||
if you are reading this elsewhere.
|
|
||||||
|
|
||||||
----
|
|
||||||
|
|
||||||
.. :copyright: (c) 2009-2024 Joshua Bronson.
|
|
||||||
.. :license: MPLv2. See LICENSE for details.
|
|
||||||
"""
|
|
||||||
|
|
||||||
# Use private aliases to not re-export these publicly (for Sphinx automodule with imported-members).
|
|
||||||
from __future__ import annotations as _annotations
|
|
||||||
|
|
||||||
from contextlib import suppress as _suppress
|
|
||||||
|
|
||||||
from ._abc import BidirectionalMapping as BidirectionalMapping
|
|
||||||
from ._abc import MutableBidirectionalMapping as MutableBidirectionalMapping
|
|
||||||
from ._base import BidictBase as BidictBase
|
|
||||||
from ._base import BidictKeysView as BidictKeysView
|
|
||||||
from ._base import GeneratedBidictInverse as GeneratedBidictInverse
|
|
||||||
from ._bidict import MutableBidict as MutableBidict
|
|
||||||
from ._bidict import bidict as bidict
|
|
||||||
from ._dup import DROP_NEW as DROP_NEW
|
|
||||||
from ._dup import DROP_OLD as DROP_OLD
|
|
||||||
from ._dup import ON_DUP_DEFAULT as ON_DUP_DEFAULT
|
|
||||||
from ._dup import ON_DUP_DROP_OLD as ON_DUP_DROP_OLD
|
|
||||||
from ._dup import ON_DUP_RAISE as ON_DUP_RAISE
|
|
||||||
from ._dup import RAISE as RAISE
|
|
||||||
from ._dup import OnDup as OnDup
|
|
||||||
from ._dup import OnDupAction as OnDupAction
|
|
||||||
from ._exc import BidictException as BidictException
|
|
||||||
from ._exc import DuplicationError as DuplicationError
|
|
||||||
from ._exc import KeyAndValueDuplicationError as KeyAndValueDuplicationError
|
|
||||||
from ._exc import KeyDuplicationError as KeyDuplicationError
|
|
||||||
from ._exc import ValueDuplicationError as ValueDuplicationError
|
|
||||||
from ._frozen import frozenbidict as frozenbidict
|
|
||||||
from ._iter import inverted as inverted
|
|
||||||
from ._orderedbase import OrderedBidictBase as OrderedBidictBase
|
|
||||||
from ._orderedbidict import OrderedBidict as OrderedBidict
|
|
||||||
from .metadata import __author__ as __author__
|
|
||||||
from .metadata import __copyright__ as __copyright__
|
|
||||||
from .metadata import __description__ as __description__
|
|
||||||
from .metadata import __license__ as __license__
|
|
||||||
from .metadata import __url__ as __url__
|
|
||||||
from .metadata import __version__ as __version__
|
|
||||||
|
|
||||||
|
|
||||||
# Set __module__ of re-exported classes to the 'bidict' top-level module, so that e.g.
|
|
||||||
# 'bidict.bidict' shows up as 'bidict.bidict` rather than 'bidict._bidict.bidict'.
|
|
||||||
for _obj in tuple(locals().values()): # pragma: no cover
|
|
||||||
if not getattr(_obj, '__module__', '').startswith('bidict.'):
|
|
||||||
continue
|
|
||||||
with _suppress(AttributeError):
|
|
||||||
_obj.__module__ = 'bidict'
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# Current: __init__.py Next: _abc.py →
|
|
||||||
# ============================================================================
|
|
||||||
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|
|
@ -1,79 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: __init__.py Current: _abc.py Next: _base.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide the :class:`BidirectionalMapping` abstract base class."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from abc import abstractmethod
|
|
||||||
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import VT
|
|
||||||
|
|
||||||
|
|
||||||
class BidirectionalMapping(t.Mapping[KT, VT]):
|
|
||||||
"""Abstract base class for bidirectional mapping types.
|
|
||||||
|
|
||||||
Extends :class:`collections.abc.Mapping` primarily by adding the
|
|
||||||
(abstract) :attr:`inverse` property,
|
|
||||||
which implementers of :class:`BidirectionalMapping`
|
|
||||||
should override to return a reference to the inverse
|
|
||||||
:class:`BidirectionalMapping` instance.
|
|
||||||
"""
|
|
||||||
|
|
||||||
__slots__ = ()
|
|
||||||
|
|
||||||
@property
|
|
||||||
@abstractmethod
|
|
||||||
def inverse(self) -> BidirectionalMapping[VT, KT]:
|
|
||||||
"""The inverse of this bidirectional mapping instance.
|
|
||||||
|
|
||||||
*See also* :attr:`bidict.BidictBase.inverse`, :attr:`bidict.BidictBase.inv`
|
|
||||||
|
|
||||||
:raises NotImplementedError: Meant to be overridden in subclasses.
|
|
||||||
"""
|
|
||||||
# The @abstractmethod decorator prevents subclasses from being instantiated unless they
|
|
||||||
# override this method. But an overriding implementation may merely return super().inverse,
|
|
||||||
# in which case this implementation is used. Raise NotImplementedError to indicate that
|
|
||||||
# subclasses must actually provide their own implementation.
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
def __inverted__(self) -> t.Iterator[tuple[VT, KT]]:
|
|
||||||
"""Get an iterator over the items in :attr:`inverse`.
|
|
||||||
|
|
||||||
This is functionally equivalent to iterating over the items in the
|
|
||||||
forward mapping and inverting each one on the fly, but this provides a
|
|
||||||
more efficient implementation: Assuming the already-inverted items
|
|
||||||
are stored in :attr:`inverse`, just return an iterator over them directly.
|
|
||||||
|
|
||||||
Providing this default implementation enables external functions,
|
|
||||||
particularly :func:`~bidict.inverted`, to use this optimized
|
|
||||||
implementation when available, instead of having to invert on the fly.
|
|
||||||
|
|
||||||
*See also* :func:`bidict.inverted`
|
|
||||||
"""
|
|
||||||
return iter(self.inverse.items())
|
|
||||||
|
|
||||||
|
|
||||||
class MutableBidirectionalMapping(BidirectionalMapping[KT, VT], t.MutableMapping[KT, VT]):
|
|
||||||
"""Abstract base class for mutable bidirectional mapping types."""
|
|
||||||
|
|
||||||
__slots__ = ()
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: __init__.py Current: _abc.py Next: _base.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,556 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _abc.py Current: _base.py Next: _frozen.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide :class:`BidictBase`."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
import weakref
|
|
||||||
from itertools import starmap
|
|
||||||
from operator import eq
|
|
||||||
from types import MappingProxyType
|
|
||||||
|
|
||||||
from ._abc import BidirectionalMapping
|
|
||||||
from ._dup import DROP_NEW
|
|
||||||
from ._dup import DROP_OLD
|
|
||||||
from ._dup import ON_DUP_DEFAULT
|
|
||||||
from ._dup import RAISE
|
|
||||||
from ._dup import OnDup
|
|
||||||
from ._exc import DuplicationError
|
|
||||||
from ._exc import KeyAndValueDuplicationError
|
|
||||||
from ._exc import KeyDuplicationError
|
|
||||||
from ._exc import ValueDuplicationError
|
|
||||||
from ._iter import inverted
|
|
||||||
from ._iter import iteritems
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import MISSING
|
|
||||||
from ._typing import OKT
|
|
||||||
from ._typing import OVT
|
|
||||||
from ._typing import VT
|
|
||||||
from ._typing import Maplike
|
|
||||||
from ._typing import MapOrItems
|
|
||||||
|
|
||||||
|
|
||||||
OldKV = t.Tuple[OKT[KT], OVT[VT]]
|
|
||||||
DedupResult = t.Optional[OldKV[KT, VT]]
|
|
||||||
Unwrites = t.List[t.Tuple[t.Any, ...]]
|
|
||||||
BT = t.TypeVar('BT', bound='BidictBase[t.Any, t.Any]')
|
|
||||||
|
|
||||||
|
|
||||||
class BidictKeysView(t.KeysView[KT], t.ValuesView[KT]):
|
|
||||||
"""Since the keys of a bidict are the values of its inverse (and vice versa),
|
|
||||||
the :class:`~collections.abc.ValuesView` result of calling *bi.values()*
|
|
||||||
is also a :class:`~collections.abc.KeysView` of *bi.inverse*.
|
|
||||||
"""
|
|
||||||
|
|
||||||
|
|
||||||
class BidictBase(BidirectionalMapping[KT, VT]):
|
|
||||||
"""Base class implementing :class:`BidirectionalMapping`."""
|
|
||||||
|
|
||||||
#: The default :class:`~bidict.OnDup`
|
|
||||||
#: that governs behavior when a provided item
|
|
||||||
#: duplicates the key or value of other item(s).
|
|
||||||
#:
|
|
||||||
#: *See also*
|
|
||||||
#: :ref:`basic-usage:Values Must Be Unique` (https://bidict.rtfd.io/basic-usage.html#values-must-be-unique),
|
|
||||||
#: :doc:`extending` (https://bidict.rtfd.io/extending.html)
|
|
||||||
on_dup = ON_DUP_DEFAULT
|
|
||||||
|
|
||||||
_fwdm: t.MutableMapping[KT, VT] #: the backing forward mapping (*key* → *val*)
|
|
||||||
_invm: t.MutableMapping[VT, KT] #: the backing inverse mapping (*val* → *key*)
|
|
||||||
|
|
||||||
# Use Any rather than KT/VT in the following to avoid "ClassVar cannot contain type variables" errors:
|
|
||||||
_fwdm_cls: t.ClassVar[type[t.MutableMapping[t.Any, t.Any]]] = dict #: class of the backing forward mapping
|
|
||||||
_invm_cls: t.ClassVar[type[t.MutableMapping[t.Any, t.Any]]] = dict #: class of the backing inverse mapping
|
|
||||||
|
|
||||||
#: The class of the inverse bidict instance.
|
|
||||||
_inv_cls: t.ClassVar[type[BidictBase[t.Any, t.Any]]]
|
|
||||||
|
|
||||||
def __init_subclass__(cls) -> None:
|
|
||||||
super().__init_subclass__()
|
|
||||||
cls._init_class()
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def _init_class(cls) -> None:
|
|
||||||
cls._ensure_inv_cls()
|
|
||||||
cls._set_reversed()
|
|
||||||
|
|
||||||
__reversed__: t.ClassVar[t.Any]
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def _set_reversed(cls) -> None:
|
|
||||||
"""Set __reversed__ for subclasses that do not set it explicitly
|
|
||||||
according to whether backing mappings are reversible.
|
|
||||||
"""
|
|
||||||
if cls is not BidictBase:
|
|
||||||
resolved = cls.__reversed__
|
|
||||||
overridden = resolved is not BidictBase.__reversed__
|
|
||||||
if overridden: # E.g. OrderedBidictBase, OrderedBidict
|
|
||||||
return
|
|
||||||
backing_reversible = all(issubclass(i, t.Reversible) for i in (cls._fwdm_cls, cls._invm_cls))
|
|
||||||
cls.__reversed__ = _fwdm_reversed if backing_reversible else None
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def _ensure_inv_cls(cls) -> None:
|
|
||||||
"""Ensure :attr:`_inv_cls` is set, computing it dynamically if necessary.
|
|
||||||
|
|
||||||
All subclasses provided in :mod:`bidict` are their own inverse classes,
|
|
||||||
i.e., their backing forward and inverse mappings are both the same type,
|
|
||||||
but users may define subclasses where this is not the case.
|
|
||||||
This method ensures that the inverse class is computed correctly regardless.
|
|
||||||
|
|
||||||
See: :ref:`extending:Dynamic Inverse Class Generation`
|
|
||||||
(https://bidict.rtfd.io/extending.html#dynamic-inverse-class-generation)
|
|
||||||
"""
|
|
||||||
# This _ensure_inv_cls() method is (indirectly) corecursive with _make_inv_cls() below
|
|
||||||
# in the case that we need to dynamically generate the inverse class:
|
|
||||||
# 1. _ensure_inv_cls() calls cls._make_inv_cls()
|
|
||||||
# 2. cls._make_inv_cls() calls type(..., (cls, ...), ...) to dynamically generate inv_cls
|
|
||||||
# 3. Our __init_subclass__ hook (see above) is automatically called on inv_cls
|
|
||||||
# 4. inv_cls.__init_subclass__() calls inv_cls._ensure_inv_cls()
|
|
||||||
# 5. inv_cls._ensure_inv_cls() resolves to this implementation
|
|
||||||
# (inv_cls deliberately does not override this), so we're back where we started.
|
|
||||||
# But since the _make_inv_cls() call will have set inv_cls.__dict__._inv_cls,
|
|
||||||
# just check if it's already set before calling _make_inv_cls() to prevent infinite recursion.
|
|
||||||
if getattr(cls, '__dict__', {}).get('_inv_cls'): # Don't assume cls.__dict__ (e.g. mypyc native class)
|
|
||||||
return
|
|
||||||
cls._inv_cls = cls._make_inv_cls()
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def _make_inv_cls(cls: type[BT]) -> type[BT]:
|
|
||||||
diff = cls._inv_cls_dict_diff()
|
|
||||||
cls_is_own_inv = all(getattr(cls, k, MISSING) == v for (k, v) in diff.items())
|
|
||||||
if cls_is_own_inv:
|
|
||||||
return cls
|
|
||||||
# Suppress auto-calculation of _inv_cls's _inv_cls since we know it already.
|
|
||||||
# Works with the guard in BidictBase._ensure_inv_cls() to prevent infinite recursion.
|
|
||||||
diff['_inv_cls'] = cls
|
|
||||||
inv_cls = type(f'{cls.__name__}Inv', (cls, GeneratedBidictInverse), diff)
|
|
||||||
inv_cls.__module__ = cls.__module__
|
|
||||||
return t.cast(t.Type[BT], inv_cls)
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def _inv_cls_dict_diff(cls) -> dict[str, t.Any]:
|
|
||||||
return {
|
|
||||||
'_fwdm_cls': cls._invm_cls,
|
|
||||||
'_invm_cls': cls._fwdm_cls,
|
|
||||||
}
|
|
||||||
|
|
||||||
def __init__(self, arg: MapOrItems[KT, VT] = (), /, **kw: VT) -> None:
|
|
||||||
"""Make a new bidirectional mapping.
|
|
||||||
The signature behaves like that of :class:`dict`.
|
|
||||||
ktems passed via positional arg are processed first,
|
|
||||||
followed by any items passed via keyword argument.
|
|
||||||
Any duplication encountered along the way
|
|
||||||
is handled as per :attr:`on_dup`.
|
|
||||||
"""
|
|
||||||
self._fwdm = self._fwdm_cls()
|
|
||||||
self._invm = self._invm_cls()
|
|
||||||
self._update(arg, kw, rollback=False)
|
|
||||||
|
|
||||||
# If Python ever adds support for higher-kinded types, `inverse` could use them, e.g.
|
|
||||||
# def inverse(self: BT[KT, VT]) -> BT[VT, KT]:
|
|
||||||
# Ref: https://github.com/python/typing/issues/548#issuecomment-621571821
|
|
||||||
@property
|
|
||||||
def inverse(self) -> BidictBase[VT, KT]:
|
|
||||||
"""The inverse of this bidirectional mapping instance."""
|
|
||||||
# When `bi.inverse` is called for the first time, this method
|
|
||||||
# computes the inverse instance, stores it for subsequent use, and then
|
|
||||||
# returns it. It also stores a reference on `bi.inverse` back to `bi`,
|
|
||||||
# but uses a weakref to avoid creating a reference cycle. Strong references
|
|
||||||
# to inverse instances are stored in ._inv, and weak references are stored
|
|
||||||
# in ._invweak.
|
|
||||||
|
|
||||||
# First check if a strong reference is already stored.
|
|
||||||
inv: BidictBase[VT, KT] | None = getattr(self, '_inv', None)
|
|
||||||
if inv is not None:
|
|
||||||
return inv
|
|
||||||
# Next check if a weak reference is already stored.
|
|
||||||
invweak = getattr(self, '_invweak', None)
|
|
||||||
if invweak is not None:
|
|
||||||
inv = invweak() # Try to resolve a strong reference and return it.
|
|
||||||
if inv is not None:
|
|
||||||
return inv
|
|
||||||
# No luck. Compute the inverse reference and store it for subsequent use.
|
|
||||||
inv = self._make_inverse()
|
|
||||||
self._inv: BidictBase[VT, KT] | None = inv
|
|
||||||
self._invweak: weakref.ReferenceType[BidictBase[VT, KT]] | None = None
|
|
||||||
# Also store a weak reference back to `instance` on its inverse instance, so that
|
|
||||||
# the second `.inverse` access in `bi.inverse.inverse` hits the cached weakref.
|
|
||||||
inv._inv = None
|
|
||||||
inv._invweak = weakref.ref(self)
|
|
||||||
# In e.g. `bidict().inverse.inverse`, this design ensures that a strong reference
|
|
||||||
# back to the original instance is retained before its refcount drops to zero,
|
|
||||||
# avoiding an unintended potential deallocation.
|
|
||||||
return inv
|
|
||||||
|
|
||||||
def _make_inverse(self) -> BidictBase[VT, KT]:
|
|
||||||
inv: BidictBase[VT, KT] = self._inv_cls()
|
|
||||||
inv._fwdm = self._invm
|
|
||||||
inv._invm = self._fwdm
|
|
||||||
return inv
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> BidictBase[VT, KT]:
|
|
||||||
"""Alias for :attr:`inverse`."""
|
|
||||||
return self.inverse
|
|
||||||
|
|
||||||
def __repr__(self) -> str:
|
|
||||||
"""See :func:`repr`."""
|
|
||||||
clsname = self.__class__.__name__
|
|
||||||
items = dict(self.items()) if self else ''
|
|
||||||
return f'{clsname}({items})'
|
|
||||||
|
|
||||||
def values(self) -> BidictKeysView[VT]:
|
|
||||||
"""A set-like object providing a view on the contained values.
|
|
||||||
|
|
||||||
Since the values of a bidict are equivalent to the keys of its inverse,
|
|
||||||
this method returns a set-like object for this bidict's values
|
|
||||||
rather than just a collections.abc.ValuesView.
|
|
||||||
This object supports set operations like union and difference,
|
|
||||||
and constant- rather than linear-time containment checks,
|
|
||||||
and is no more expensive to provide than the less capable
|
|
||||||
collections.abc.ValuesView would be.
|
|
||||||
|
|
||||||
See :meth:`keys` for more information.
|
|
||||||
"""
|
|
||||||
return t.cast(BidictKeysView[VT], self.inverse.keys())
|
|
||||||
|
|
||||||
def keys(self) -> t.KeysView[KT]:
|
|
||||||
"""A set-like object providing a view on the contained keys.
|
|
||||||
|
|
||||||
When *b._fwdm* is a :class:`dict`, *b.keys()* returns a
|
|
||||||
*dict_keys* object that behaves exactly the same as
|
|
||||||
*collections.abc.KeysView(b)*, except for
|
|
||||||
|
|
||||||
- offering better performance
|
|
||||||
|
|
||||||
- being reversible on Python 3.8+
|
|
||||||
|
|
||||||
- having a .mapping attribute in Python 3.10+
|
|
||||||
that exposes a mappingproxy to *b._fwdm*.
|
|
||||||
"""
|
|
||||||
fwdm, fwdm_cls = self._fwdm, self._fwdm_cls
|
|
||||||
return fwdm.keys() if fwdm_cls is dict else BidictKeysView(self)
|
|
||||||
|
|
||||||
def items(self) -> t.ItemsView[KT, VT]:
|
|
||||||
"""A set-like object providing a view on the contained items.
|
|
||||||
|
|
||||||
When *b._fwdm* is a :class:`dict`, *b.items()* returns a
|
|
||||||
*dict_items* object that behaves exactly the same as
|
|
||||||
*collections.abc.ItemsView(b)*, except for:
|
|
||||||
|
|
||||||
- offering better performance
|
|
||||||
|
|
||||||
- being reversible on Python 3.8+
|
|
||||||
|
|
||||||
- having a .mapping attribute in Python 3.10+
|
|
||||||
that exposes a mappingproxy to *b._fwdm*.
|
|
||||||
"""
|
|
||||||
return self._fwdm.items() if self._fwdm_cls is dict else super().items()
|
|
||||||
|
|
||||||
# The inherited collections.abc.Mapping.__contains__() method is implemented by doing a `try`
|
|
||||||
# `except KeyError` around `self[key]`. The following implementation is much faster,
|
|
||||||
# especially in the missing case.
|
|
||||||
def __contains__(self, key: t.Any) -> bool:
|
|
||||||
"""True if the mapping contains the specified key, else False."""
|
|
||||||
return key in self._fwdm
|
|
||||||
|
|
||||||
# The inherited collections.abc.Mapping.__eq__() method is implemented in terms of an inefficient
|
|
||||||
# `dict(self.items()) == dict(other.items())` comparison, so override it with a
|
|
||||||
# more efficient implementation.
|
|
||||||
def __eq__(self, other: object) -> bool:
|
|
||||||
"""*x.__eq__(other) ⟺ x == other*
|
|
||||||
|
|
||||||
Equivalent to *dict(x.items()) == dict(other.items())*
|
|
||||||
but more efficient.
|
|
||||||
|
|
||||||
Note that :meth:`bidict's __eq__() <bidict.BidictBase.__eq__>` implementation
|
|
||||||
is inherited by subclasses,
|
|
||||||
in particular by the ordered bidict subclasses,
|
|
||||||
so even with ordered bidicts,
|
|
||||||
:ref:`== comparison is order-insensitive <eq-order-insensitive>`
|
|
||||||
(https://bidict.rtfd.io/other-bidict-types.html#eq-is-order-insensitive).
|
|
||||||
|
|
||||||
*See also* :meth:`equals_order_sensitive`
|
|
||||||
"""
|
|
||||||
if isinstance(other, t.Mapping):
|
|
||||||
return self._fwdm.items() == other.items()
|
|
||||||
# Ref: https://docs.python.org/3/library/constants.html#NotImplemented
|
|
||||||
return NotImplemented
|
|
||||||
|
|
||||||
def equals_order_sensitive(self, other: object) -> bool:
|
|
||||||
"""Order-sensitive equality check.
|
|
||||||
|
|
||||||
*See also* :ref:`eq-order-insensitive`
|
|
||||||
(https://bidict.rtfd.io/other-bidict-types.html#eq-is-order-insensitive)
|
|
||||||
"""
|
|
||||||
if not isinstance(other, t.Mapping) or len(self) != len(other):
|
|
||||||
return False
|
|
||||||
return all(starmap(eq, zip(self.items(), other.items())))
|
|
||||||
|
|
||||||
def _dedup(self, key: KT, val: VT, on_dup: OnDup) -> DedupResult[KT, VT]:
|
|
||||||
"""Check *key* and *val* for any duplication in self.
|
|
||||||
|
|
||||||
Handle any duplication as per the passed in *on_dup*.
|
|
||||||
|
|
||||||
If (key, val) is already present, return None
|
|
||||||
since writing (key, val) would be a no-op.
|
|
||||||
|
|
||||||
If duplication is found and the corresponding :class:`~bidict.OnDupAction` is
|
|
||||||
:attr:`~bidict.DROP_NEW`, return None.
|
|
||||||
|
|
||||||
If duplication is found and the corresponding :class:`~bidict.OnDupAction` is
|
|
||||||
:attr:`~bidict.RAISE`, raise the appropriate exception.
|
|
||||||
|
|
||||||
If duplication is found and the corresponding :class:`~bidict.OnDupAction` is
|
|
||||||
:attr:`~bidict.DROP_OLD`, or if no duplication is found,
|
|
||||||
return *(oldkey, oldval)*.
|
|
||||||
"""
|
|
||||||
fwdm, invm = self._fwdm, self._invm
|
|
||||||
oldval: OVT[VT] = fwdm.get(key, MISSING)
|
|
||||||
oldkey: OKT[KT] = invm.get(val, MISSING)
|
|
||||||
isdupkey, isdupval = oldval is not MISSING, oldkey is not MISSING
|
|
||||||
if isdupkey and isdupval:
|
|
||||||
if key == oldkey:
|
|
||||||
assert val == oldval
|
|
||||||
# (key, val) duplicates an existing item -> no-op.
|
|
||||||
return None
|
|
||||||
# key and val each duplicate a different existing item.
|
|
||||||
if on_dup.val is RAISE:
|
|
||||||
raise KeyAndValueDuplicationError(key, val)
|
|
||||||
if on_dup.val is DROP_NEW:
|
|
||||||
return None
|
|
||||||
assert on_dup.val is DROP_OLD
|
|
||||||
# Fall through to the return statement on the last line.
|
|
||||||
elif isdupkey:
|
|
||||||
if on_dup.key is RAISE:
|
|
||||||
raise KeyDuplicationError(key)
|
|
||||||
if on_dup.key is DROP_NEW:
|
|
||||||
return None
|
|
||||||
assert on_dup.key is DROP_OLD
|
|
||||||
# Fall through to the return statement on the last line.
|
|
||||||
elif isdupval:
|
|
||||||
if on_dup.val is RAISE:
|
|
||||||
raise ValueDuplicationError(val)
|
|
||||||
if on_dup.val is DROP_NEW:
|
|
||||||
return None
|
|
||||||
assert on_dup.val is DROP_OLD
|
|
||||||
# Fall through to the return statement on the last line.
|
|
||||||
# else neither isdupkey nor isdupval.
|
|
||||||
return oldkey, oldval
|
|
||||||
|
|
||||||
def _write(self, newkey: KT, newval: VT, oldkey: OKT[KT], oldval: OVT[VT], unwrites: Unwrites | None) -> None:
|
|
||||||
"""Insert (newkey, newval), extending *unwrites* with associated inverse operations if provided.
|
|
||||||
|
|
||||||
*oldkey* and *oldval* are as returned by :meth:`_dedup`.
|
|
||||||
|
|
||||||
If *unwrites* is not None, it is extended with the inverse operations necessary to undo the write.
|
|
||||||
This design allows :meth:`_update` to roll back a partially applied update that fails part-way through
|
|
||||||
when necessary.
|
|
||||||
|
|
||||||
This design also allows subclasses that require additional operations to easily extend this implementation.
|
|
||||||
For example, :class:`bidict.OrderedBidictBase` calls this inherited implementation, and then extends *unwrites*
|
|
||||||
with additional operations needed to keep its internal linked list nodes consistent with its items' order
|
|
||||||
as changes are made.
|
|
||||||
"""
|
|
||||||
fwdm, invm = self._fwdm, self._invm
|
|
||||||
fwdm_set, invm_set = fwdm.__setitem__, invm.__setitem__
|
|
||||||
fwdm_del, invm_del = fwdm.__delitem__, invm.__delitem__
|
|
||||||
# Always perform the following writes regardless of duplication.
|
|
||||||
fwdm_set(newkey, newval)
|
|
||||||
invm_set(newval, newkey)
|
|
||||||
if oldval is MISSING and oldkey is MISSING: # no key or value duplication
|
|
||||||
# {0: 1, 2: 3} | {4: 5} => {0: 1, 2: 3, 4: 5}
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.extend((
|
|
||||||
(fwdm_del, newkey),
|
|
||||||
(invm_del, newval),
|
|
||||||
))
|
|
||||||
elif oldval is not MISSING and oldkey is not MISSING: # key and value duplication across two different items
|
|
||||||
# {0: 1, 2: 3} | {0: 3} => {0: 3}
|
|
||||||
fwdm_del(oldkey)
|
|
||||||
invm_del(oldval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.extend((
|
|
||||||
(fwdm_set, newkey, oldval),
|
|
||||||
(invm_set, oldval, newkey),
|
|
||||||
(fwdm_set, oldkey, newval),
|
|
||||||
(invm_set, newval, oldkey),
|
|
||||||
))
|
|
||||||
elif oldval is not MISSING: # just key duplication
|
|
||||||
# {0: 1, 2: 3} | {2: 4} => {0: 1, 2: 4}
|
|
||||||
invm_del(oldval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.extend((
|
|
||||||
(fwdm_set, newkey, oldval),
|
|
||||||
(invm_set, oldval, newkey),
|
|
||||||
(invm_del, newval),
|
|
||||||
))
|
|
||||||
else:
|
|
||||||
assert oldkey is not MISSING # just value duplication
|
|
||||||
# {0: 1, 2: 3} | {4: 3} => {0: 1, 4: 3}
|
|
||||||
fwdm_del(oldkey)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.extend((
|
|
||||||
(fwdm_set, oldkey, newval),
|
|
||||||
(invm_set, newval, oldkey),
|
|
||||||
(fwdm_del, newkey),
|
|
||||||
))
|
|
||||||
|
|
||||||
def _update(
|
|
||||||
self,
|
|
||||||
arg: MapOrItems[KT, VT],
|
|
||||||
kw: t.Mapping[str, VT] = MappingProxyType({}),
|
|
||||||
*,
|
|
||||||
rollback: bool | None = None,
|
|
||||||
on_dup: OnDup | None = None,
|
|
||||||
) -> None:
|
|
||||||
"""Update with the items from *arg* and *kw*, maybe failing and rolling back as per *on_dup* and *rollback*."""
|
|
||||||
# Note: We must process input in a single pass, since arg may be a generator.
|
|
||||||
if not isinstance(arg, (t.Iterable, Maplike)):
|
|
||||||
raise TypeError(f"'{arg.__class__.__name__}' object is not iterable")
|
|
||||||
if not arg and not kw:
|
|
||||||
return
|
|
||||||
if on_dup is None:
|
|
||||||
on_dup = self.on_dup
|
|
||||||
if rollback is None:
|
|
||||||
rollback = RAISE in on_dup
|
|
||||||
|
|
||||||
# Fast path when we're empty and updating only from another bidict (i.e. no dup vals in new items).
|
|
||||||
if not self and not kw and isinstance(arg, BidictBase):
|
|
||||||
self._init_from(arg)
|
|
||||||
return
|
|
||||||
|
|
||||||
# Fast path when we're adding more items than we contain already and rollback is enabled:
|
|
||||||
# Update a copy of self with rollback disabled. Fail if that fails, otherwise become the copy.
|
|
||||||
if rollback and isinstance(arg, t.Sized) and len(arg) + len(kw) > len(self):
|
|
||||||
tmp = self.copy()
|
|
||||||
tmp._update(arg, kw, rollback=False, on_dup=on_dup)
|
|
||||||
self._init_from(tmp)
|
|
||||||
return
|
|
||||||
|
|
||||||
# In all other cases, benchmarking has indicated that the update is best implemented as follows:
|
|
||||||
# For each new item, perform a dup check (raising if necessary), and apply the associated writes we need to
|
|
||||||
# perform on our backing _fwdm and _invm mappings. If rollback is enabled, also compute the associated unwrites
|
|
||||||
# as we go. If the update results in a DuplicationError and rollback is enabled, apply the accumulated unwrites
|
|
||||||
# before raising, to ensure that we fail clean.
|
|
||||||
write = self._write
|
|
||||||
unwrites: Unwrites | None = [] if rollback else None
|
|
||||||
for key, val in iteritems(arg, **kw):
|
|
||||||
try:
|
|
||||||
dedup_result = self._dedup(key, val, on_dup)
|
|
||||||
except DuplicationError:
|
|
||||||
if unwrites is not None:
|
|
||||||
for fn, *args in reversed(unwrites):
|
|
||||||
fn(*args)
|
|
||||||
raise
|
|
||||||
if dedup_result is not None:
|
|
||||||
write(key, val, *dedup_result, unwrites=unwrites)
|
|
||||||
|
|
||||||
def __copy__(self: BT) -> BT:
|
|
||||||
"""Used for the copy protocol. See the :mod:`copy` module."""
|
|
||||||
return self.copy()
|
|
||||||
|
|
||||||
def copy(self: BT) -> BT:
|
|
||||||
"""Make a (shallow) copy of this bidict."""
|
|
||||||
# Could just `return self.__class__(self)` here, but the below is faster. The former
|
|
||||||
# would copy this bidict's items into a new instance one at a time (checking for duplication
|
|
||||||
# for each item), whereas the below copies from the backing mappings all at once, and foregoes
|
|
||||||
# item-by-item duplication checking since the backing mappings have been checked already.
|
|
||||||
return self._from_other(self.__class__, self)
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _from_other(bt: type[BT], other: MapOrItems[KT, VT], inv: bool = False) -> BT:
|
|
||||||
"""Fast, private constructor based on :meth:`_init_from`.
|
|
||||||
|
|
||||||
If *inv* is true, return the inverse of the instance instead of the instance itself.
|
|
||||||
(Useful for pickling with dynamically-generated inverse classes -- see :meth:`__reduce__`.)
|
|
||||||
"""
|
|
||||||
inst = bt()
|
|
||||||
inst._init_from(other)
|
|
||||||
return t.cast(BT, inst.inverse) if inv else inst
|
|
||||||
|
|
||||||
def _init_from(self, other: MapOrItems[KT, VT]) -> None:
|
|
||||||
"""Fast init from *other*, bypassing item-by-item duplication checking."""
|
|
||||||
self._fwdm.clear()
|
|
||||||
self._invm.clear()
|
|
||||||
self._fwdm.update(other)
|
|
||||||
# If other is a bidict, use its existing backing inverse mapping, otherwise
|
|
||||||
# other could be a generator that's now exhausted, so invert self._fwdm on the fly.
|
|
||||||
inv = other.inverse if isinstance(other, BidictBase) else inverted(self._fwdm)
|
|
||||||
self._invm.update(inv)
|
|
||||||
|
|
||||||
# other's type is Mapping rather than Maplike since bidict() | SupportsKeysAndGetItem({})
|
|
||||||
# raises a TypeError, just like dict() | SupportsKeysAndGetItem({}) does.
|
|
||||||
def __or__(self: BT, other: t.Mapping[KT, VT]) -> BT:
|
|
||||||
"""Return self|other."""
|
|
||||||
if not isinstance(other, t.Mapping):
|
|
||||||
return NotImplemented
|
|
||||||
new = self.copy()
|
|
||||||
new._update(other, rollback=False)
|
|
||||||
return new
|
|
||||||
|
|
||||||
def __ror__(self: BT, other: t.Mapping[KT, VT]) -> BT:
|
|
||||||
"""Return other|self."""
|
|
||||||
if not isinstance(other, t.Mapping):
|
|
||||||
return NotImplemented
|
|
||||||
new = self.__class__(other)
|
|
||||||
new._update(self, rollback=False)
|
|
||||||
return new
|
|
||||||
|
|
||||||
def __len__(self) -> int:
|
|
||||||
"""The number of contained items."""
|
|
||||||
return len(self._fwdm)
|
|
||||||
|
|
||||||
def __iter__(self) -> t.Iterator[KT]:
|
|
||||||
"""Iterator over the contained keys."""
|
|
||||||
return iter(self._fwdm)
|
|
||||||
|
|
||||||
def __getitem__(self, key: KT) -> VT:
|
|
||||||
"""*x.__getitem__(key) ⟺ x[key]*"""
|
|
||||||
return self._fwdm[key]
|
|
||||||
|
|
||||||
def __reduce__(self) -> tuple[t.Any, ...]:
|
|
||||||
"""Return state information for pickling."""
|
|
||||||
cls = self.__class__
|
|
||||||
inst: t.Mapping[t.Any, t.Any] = self
|
|
||||||
# If this bidict's class is dynamically generated, pickle the inverse instead, whose (presumably not
|
|
||||||
# dynamically generated) class the caller is more likely to have a reference to somewhere in sys.modules
|
|
||||||
# that pickle can discover.
|
|
||||||
if should_invert := isinstance(self, GeneratedBidictInverse):
|
|
||||||
cls = self._inv_cls
|
|
||||||
inst = self.inverse
|
|
||||||
return self._from_other, (cls, dict(inst), should_invert)
|
|
||||||
|
|
||||||
|
|
||||||
# See BidictBase._set_reversed() above.
|
|
||||||
def _fwdm_reversed(self: BidictBase[KT, t.Any]) -> t.Iterator[KT]:
|
|
||||||
"""Iterator over the contained keys in reverse order."""
|
|
||||||
assert isinstance(self._fwdm, t.Reversible)
|
|
||||||
return reversed(self._fwdm)
|
|
||||||
|
|
||||||
|
|
||||||
BidictBase._init_class()
|
|
||||||
|
|
||||||
|
|
||||||
class GeneratedBidictInverse:
|
|
||||||
"""Base class for dynamically-generated inverse bidict classes."""
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _abc.py Current: _base.py Next: _frozen.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,194 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _frozen.py Current: _bidict.py Next: _orderedbase.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide :class:`MutableBidict` and :class:`bidict`."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
|
|
||||||
from ._abc import MutableBidirectionalMapping
|
|
||||||
from ._base import BidictBase
|
|
||||||
from ._dup import ON_DUP_DROP_OLD
|
|
||||||
from ._dup import ON_DUP_RAISE
|
|
||||||
from ._dup import OnDup
|
|
||||||
from ._typing import DT
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import MISSING
|
|
||||||
from ._typing import ODT
|
|
||||||
from ._typing import VT
|
|
||||||
from ._typing import MapOrItems
|
|
||||||
|
|
||||||
|
|
||||||
class MutableBidict(BidictBase[KT, VT], MutableBidirectionalMapping[KT, VT]):
|
|
||||||
"""Base class for mutable bidirectional mappings."""
|
|
||||||
|
|
||||||
if t.TYPE_CHECKING:
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inverse(self) -> MutableBidict[VT, KT]: ...
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> MutableBidict[VT, KT]: ...
|
|
||||||
|
|
||||||
def _pop(self, key: KT) -> VT:
|
|
||||||
val = self._fwdm.pop(key)
|
|
||||||
del self._invm[val]
|
|
||||||
return val
|
|
||||||
|
|
||||||
def __delitem__(self, key: KT) -> None:
|
|
||||||
"""*x.__delitem__(y) ⟺ del x[y]*"""
|
|
||||||
self._pop(key)
|
|
||||||
|
|
||||||
def __setitem__(self, key: KT, val: VT) -> None:
|
|
||||||
"""Set the value for *key* to *val*.
|
|
||||||
|
|
||||||
If *key* is already associated with *val*, this is a no-op.
|
|
||||||
|
|
||||||
If *key* is already associated with a different value,
|
|
||||||
the old value will be replaced with *val*,
|
|
||||||
as with dict's :meth:`__setitem__`.
|
|
||||||
|
|
||||||
If *val* is already associated with a different key,
|
|
||||||
an exception is raised
|
|
||||||
to protect against accidental removal of the key
|
|
||||||
that's currently associated with *val*.
|
|
||||||
|
|
||||||
Use :meth:`put` instead if you want to specify different behavior in
|
|
||||||
the case that the provided key or value duplicates an existing one.
|
|
||||||
Or use :meth:`forceput` to unconditionally associate *key* with *val*,
|
|
||||||
replacing any existing items as necessary to preserve uniqueness.
|
|
||||||
|
|
||||||
:raises bidict.ValueDuplicationError: if *val* duplicates that of an
|
|
||||||
existing item.
|
|
||||||
|
|
||||||
:raises bidict.KeyAndValueDuplicationError: if *key* duplicates the key of an
|
|
||||||
existing item and *val* duplicates the value of a different
|
|
||||||
existing item.
|
|
||||||
"""
|
|
||||||
self.put(key, val, on_dup=self.on_dup)
|
|
||||||
|
|
||||||
def put(self, key: KT, val: VT, on_dup: OnDup = ON_DUP_RAISE) -> None:
|
|
||||||
"""Associate *key* with *val*, honoring the :class:`OnDup` given in *on_dup*.
|
|
||||||
|
|
||||||
For example, if *on_dup* is :attr:`~bidict.ON_DUP_RAISE`,
|
|
||||||
then *key* will be associated with *val* if and only if
|
|
||||||
*key* is not already associated with an existing value and
|
|
||||||
*val* is not already associated with an existing key,
|
|
||||||
otherwise an exception will be raised.
|
|
||||||
|
|
||||||
If *key* is already associated with *val*, this is a no-op.
|
|
||||||
|
|
||||||
:raises bidict.KeyDuplicationError: if attempting to insert an item
|
|
||||||
whose key only duplicates an existing item's, and *on_dup.key* is
|
|
||||||
:attr:`~bidict.RAISE`.
|
|
||||||
|
|
||||||
:raises bidict.ValueDuplicationError: if attempting to insert an item
|
|
||||||
whose value only duplicates an existing item's, and *on_dup.val* is
|
|
||||||
:attr:`~bidict.RAISE`.
|
|
||||||
|
|
||||||
:raises bidict.KeyAndValueDuplicationError: if attempting to insert an
|
|
||||||
item whose key duplicates one existing item's, and whose value
|
|
||||||
duplicates another existing item's, and *on_dup.val* is
|
|
||||||
:attr:`~bidict.RAISE`.
|
|
||||||
"""
|
|
||||||
self._update(((key, val),), on_dup=on_dup)
|
|
||||||
|
|
||||||
def forceput(self, key: KT, val: VT) -> None:
|
|
||||||
"""Associate *key* with *val* unconditionally.
|
|
||||||
|
|
||||||
Replace any existing mappings containing key *key* or value *val*
|
|
||||||
as necessary to preserve uniqueness.
|
|
||||||
"""
|
|
||||||
self.put(key, val, on_dup=ON_DUP_DROP_OLD)
|
|
||||||
|
|
||||||
def clear(self) -> None:
|
|
||||||
"""Remove all items."""
|
|
||||||
self._fwdm.clear()
|
|
||||||
self._invm.clear()
|
|
||||||
|
|
||||||
@t.overload
|
|
||||||
def pop(self, key: KT, /) -> VT: ...
|
|
||||||
@t.overload
|
|
||||||
def pop(self, key: KT, default: DT = ..., /) -> VT | DT: ...
|
|
||||||
|
|
||||||
def pop(self, key: KT, default: ODT[DT] = MISSING, /) -> VT | DT:
|
|
||||||
"""*x.pop(k[, d]) → v*
|
|
||||||
|
|
||||||
Remove specified key and return the corresponding value.
|
|
||||||
|
|
||||||
:raises KeyError: if *key* is not found and no *default* is provided.
|
|
||||||
"""
|
|
||||||
try:
|
|
||||||
return self._pop(key)
|
|
||||||
except KeyError:
|
|
||||||
if default is MISSING:
|
|
||||||
raise
|
|
||||||
return default
|
|
||||||
|
|
||||||
def popitem(self) -> tuple[KT, VT]:
|
|
||||||
"""*x.popitem() → (k, v)*
|
|
||||||
|
|
||||||
Remove and return some item as a (key, value) pair.
|
|
||||||
|
|
||||||
:raises KeyError: if *x* is empty.
|
|
||||||
"""
|
|
||||||
key, val = self._fwdm.popitem()
|
|
||||||
del self._invm[val]
|
|
||||||
return key, val
|
|
||||||
|
|
||||||
def update(self, arg: MapOrItems[KT, VT] = (), /, **kw: VT) -> None:
|
|
||||||
"""Like calling :meth:`putall` with *self.on_dup* passed for *on_dup*."""
|
|
||||||
self._update(arg, kw=kw)
|
|
||||||
|
|
||||||
def forceupdate(self, arg: MapOrItems[KT, VT] = (), /, **kw: VT) -> None:
|
|
||||||
"""Like a bulk :meth:`forceput`."""
|
|
||||||
self._update(arg, kw=kw, on_dup=ON_DUP_DROP_OLD)
|
|
||||||
|
|
||||||
def putall(self, items: MapOrItems[KT, VT], on_dup: OnDup = ON_DUP_RAISE) -> None:
|
|
||||||
"""Like a bulk :meth:`put`.
|
|
||||||
|
|
||||||
If one of the given items causes an exception to be raised,
|
|
||||||
none of the items is inserted.
|
|
||||||
"""
|
|
||||||
self._update(items, on_dup=on_dup)
|
|
||||||
|
|
||||||
# other's type is Mapping rather than Maplike since bidict() |= SupportsKeysAndGetItem({})
|
|
||||||
# raises a TypeError, just like dict() |= SupportsKeysAndGetItem({}) does.
|
|
||||||
def __ior__(self, other: t.Mapping[KT, VT]) -> MutableBidict[KT, VT]:
|
|
||||||
"""Return self|=other."""
|
|
||||||
self.update(other)
|
|
||||||
return self
|
|
||||||
|
|
||||||
|
|
||||||
class bidict(MutableBidict[KT, VT]):
|
|
||||||
"""The main bidirectional mapping type.
|
|
||||||
|
|
||||||
See :ref:`intro:Introduction` and :ref:`basic-usage:Basic Usage`
|
|
||||||
to get started (also available at https://bidict.rtfd.io).
|
|
||||||
"""
|
|
||||||
|
|
||||||
if t.TYPE_CHECKING:
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inverse(self) -> bidict[VT, KT]: ...
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> bidict[VT, KT]: ...
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _frozen.py Current: _bidict.py Next: _orderedbase.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,61 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide :class:`OnDup` and related functionality."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from enum import Enum
|
|
||||||
|
|
||||||
|
|
||||||
class OnDupAction(Enum):
|
|
||||||
"""An action to take to prevent duplication from occurring."""
|
|
||||||
|
|
||||||
#: Raise a :class:`~bidict.DuplicationError`.
|
|
||||||
RAISE = 'RAISE'
|
|
||||||
#: Overwrite existing items with new items.
|
|
||||||
DROP_OLD = 'DROP_OLD'
|
|
||||||
#: Keep existing items and drop new items.
|
|
||||||
DROP_NEW = 'DROP_NEW'
|
|
||||||
|
|
||||||
def __repr__(self) -> str:
|
|
||||||
return f'{self.__class__.__name__}.{self.name}'
|
|
||||||
|
|
||||||
|
|
||||||
RAISE: t.Final[OnDupAction] = OnDupAction.RAISE
|
|
||||||
DROP_OLD: t.Final[OnDupAction] = OnDupAction.DROP_OLD
|
|
||||||
DROP_NEW: t.Final[OnDupAction] = OnDupAction.DROP_NEW
|
|
||||||
|
|
||||||
|
|
||||||
class OnDup(t.NamedTuple):
|
|
||||||
r"""A combination of :class:`~bidict.OnDupAction`\s specifying how to handle various types of duplication.
|
|
||||||
|
|
||||||
The :attr:`~OnDup.key` field specifies what action to take when a duplicate key is encountered.
|
|
||||||
|
|
||||||
The :attr:`~OnDup.val` field specifies what action to take when a duplicate value is encountered.
|
|
||||||
|
|
||||||
In the case of both key and value duplication across two different items,
|
|
||||||
only :attr:`~OnDup.val` is used.
|
|
||||||
|
|
||||||
*See also* :ref:`basic-usage:Values Must Be Unique`
|
|
||||||
(https://bidict.rtfd.io/basic-usage.html#values-must-be-unique)
|
|
||||||
"""
|
|
||||||
|
|
||||||
key: OnDupAction = DROP_OLD
|
|
||||||
val: OnDupAction = RAISE
|
|
||||||
|
|
||||||
|
|
||||||
#: Default :class:`OnDup` used for the
|
|
||||||
#: :meth:`~bidict.bidict.__init__`,
|
|
||||||
#: :meth:`~bidict.bidict.__setitem__`, and
|
|
||||||
#: :meth:`~bidict.bidict.update` methods.
|
|
||||||
ON_DUP_DEFAULT: t.Final[OnDup] = OnDup(key=DROP_OLD, val=RAISE)
|
|
||||||
#: An :class:`OnDup` whose members are all :obj:`RAISE`.
|
|
||||||
ON_DUP_RAISE: t.Final[OnDup] = OnDup(key=RAISE, val=RAISE)
|
|
||||||
#: An :class:`OnDup` whose members are all :obj:`DROP_OLD`.
|
|
||||||
ON_DUP_DROP_OLD: t.Final[OnDup] = OnDup(key=DROP_OLD, val=DROP_OLD)
|
|
||||||
|
|
@ -1,36 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide all bidict exceptions."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
|
|
||||||
class BidictException(Exception):
|
|
||||||
"""Base class for bidict exceptions."""
|
|
||||||
|
|
||||||
|
|
||||||
class DuplicationError(BidictException):
|
|
||||||
"""Base class for exceptions raised when uniqueness is violated
|
|
||||||
as per the :attr:`~bidict.RAISE` :class:`~bidict.OnDupAction`.
|
|
||||||
"""
|
|
||||||
|
|
||||||
|
|
||||||
class KeyDuplicationError(DuplicationError):
|
|
||||||
"""Raised when a given key is not unique."""
|
|
||||||
|
|
||||||
|
|
||||||
class ValueDuplicationError(DuplicationError):
|
|
||||||
"""Raised when a given value is not unique."""
|
|
||||||
|
|
||||||
|
|
||||||
class KeyAndValueDuplicationError(KeyDuplicationError, ValueDuplicationError):
|
|
||||||
"""Raised when a given item's key and value are not unique.
|
|
||||||
|
|
||||||
That is, its key duplicates that of another item,
|
|
||||||
and its value duplicates that of a different other item.
|
|
||||||
"""
|
|
||||||
|
|
@ -1,50 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _base.py Current: _frozen.py Next: _bidict.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
"""Provide :class:`frozenbidict`, an immutable, hashable bidirectional mapping type."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
|
|
||||||
from ._base import BidictBase
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import VT
|
|
||||||
|
|
||||||
|
|
||||||
class frozenbidict(BidictBase[KT, VT]):
|
|
||||||
"""Immutable, hashable bidict type."""
|
|
||||||
|
|
||||||
_hash: int
|
|
||||||
|
|
||||||
if t.TYPE_CHECKING:
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inverse(self) -> frozenbidict[VT, KT]: ...
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> frozenbidict[VT, KT]: ...
|
|
||||||
|
|
||||||
def __hash__(self) -> int:
|
|
||||||
"""The hash of this bidict as determined by its items."""
|
|
||||||
if getattr(self, '_hash', None) is None:
|
|
||||||
# The following is like hash(frozenset(self.items()))
|
|
||||||
# but more memory efficient. See also: https://bugs.python.org/issue46684
|
|
||||||
self._hash = t.ItemsView(self)._hash()
|
|
||||||
return self._hash
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _base.py Current: _frozen.py Next: _bidict.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,51 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
"""Functions for iterating over items in a mapping."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from operator import itemgetter
|
|
||||||
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import VT
|
|
||||||
from ._typing import ItemsIter
|
|
||||||
from ._typing import Maplike
|
|
||||||
from ._typing import MapOrItems
|
|
||||||
|
|
||||||
|
|
||||||
def iteritems(arg: MapOrItems[KT, VT] = (), /, **kw: VT) -> ItemsIter[KT, VT]:
|
|
||||||
"""Yield the items from *arg* and *kw* in the order given."""
|
|
||||||
if isinstance(arg, t.Mapping):
|
|
||||||
yield from arg.items()
|
|
||||||
elif isinstance(arg, Maplike):
|
|
||||||
yield from ((k, arg[k]) for k in arg.keys())
|
|
||||||
else:
|
|
||||||
yield from arg
|
|
||||||
yield from t.cast(ItemsIter[KT, VT], kw.items())
|
|
||||||
|
|
||||||
|
|
||||||
swap: t.Final = itemgetter(1, 0)
|
|
||||||
|
|
||||||
|
|
||||||
def inverted(arg: MapOrItems[KT, VT]) -> ItemsIter[VT, KT]:
|
|
||||||
"""Yield the inverse items of the provided object.
|
|
||||||
|
|
||||||
If *arg* has a :func:`callable` ``__inverted__`` attribute,
|
|
||||||
return the result of calling it.
|
|
||||||
|
|
||||||
Otherwise, return an iterator over the items in `arg`,
|
|
||||||
inverting each item on the fly.
|
|
||||||
|
|
||||||
*See also* :attr:`bidict.BidirectionalMapping.__inverted__`
|
|
||||||
"""
|
|
||||||
invattr = getattr(arg, '__inverted__', None)
|
|
||||||
if callable(invattr):
|
|
||||||
inv: ItemsIter[VT, KT] = invattr()
|
|
||||||
return inv
|
|
||||||
return map(swap, iteritems(arg))
|
|
||||||
|
|
@ -1,238 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _bidict.py Current: _orderedbase.py Next: _orderedbidict.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide :class:`OrderedBidictBase`."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from weakref import ref as weakref
|
|
||||||
|
|
||||||
from ._base import BidictBase
|
|
||||||
from ._base import Unwrites
|
|
||||||
from ._bidict import bidict
|
|
||||||
from ._iter import iteritems
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import MISSING
|
|
||||||
from ._typing import OKT
|
|
||||||
from ._typing import OVT
|
|
||||||
from ._typing import VT
|
|
||||||
from ._typing import MapOrItems
|
|
||||||
|
|
||||||
|
|
||||||
AT = t.TypeVar('AT') # attr type
|
|
||||||
|
|
||||||
|
|
||||||
class WeakAttr(t.Generic[AT]):
|
|
||||||
"""Descriptor to automatically manage (de)referencing the given slot as a weakref.
|
|
||||||
|
|
||||||
See https://docs.python.org/3/howto/descriptor.html#managed-attributes
|
|
||||||
for an intro to using descriptors like this for managed attributes.
|
|
||||||
"""
|
|
||||||
|
|
||||||
def __init__(self, *, slot: str) -> None:
|
|
||||||
self.slot = slot
|
|
||||||
|
|
||||||
def __set__(self, instance: t.Any, value: AT) -> None:
|
|
||||||
setattr(instance, self.slot, weakref(value))
|
|
||||||
|
|
||||||
def __get__(self, instance: t.Any, __owner: t.Any = None) -> AT:
|
|
||||||
return t.cast(AT, getattr(instance, self.slot)())
|
|
||||||
|
|
||||||
|
|
||||||
class Node:
|
|
||||||
"""A node in a circular doubly-linked list
|
|
||||||
used to encode the order of items in an ordered bidict.
|
|
||||||
|
|
||||||
A weak reference to the previous node is stored
|
|
||||||
to avoid creating strong reference cycles.
|
|
||||||
Referencing/dereferencing the weakref is handled automatically by :class:`WeakAttr`.
|
|
||||||
"""
|
|
||||||
|
|
||||||
prv: WeakAttr[Node] = WeakAttr(slot='_prv_weak')
|
|
||||||
__slots__ = ('__weakref__', '_prv_weak', 'nxt')
|
|
||||||
|
|
||||||
nxt: Node | WeakAttr[Node] # Allow subclasses to use a WeakAttr for nxt too (see SentinelNode)
|
|
||||||
|
|
||||||
def __init__(self, prv: Node, nxt: Node) -> None:
|
|
||||||
self.prv = prv
|
|
||||||
self.nxt = nxt
|
|
||||||
|
|
||||||
def unlink(self) -> None:
|
|
||||||
"""Remove self from in between prv and nxt.
|
|
||||||
Self's references to prv and nxt are retained so it can be relinked (see below).
|
|
||||||
"""
|
|
||||||
self.prv.nxt = self.nxt
|
|
||||||
self.nxt.prv = self.prv
|
|
||||||
|
|
||||||
def relink(self) -> None:
|
|
||||||
"""Restore self between prv and nxt after unlinking (see above)."""
|
|
||||||
self.prv.nxt = self.nxt.prv = self
|
|
||||||
|
|
||||||
|
|
||||||
class SentinelNode(Node):
|
|
||||||
"""Special node in a circular doubly-linked list
|
|
||||||
that links the first node with the last node.
|
|
||||||
When its next and previous references point back to itself
|
|
||||||
it represents an empty list.
|
|
||||||
"""
|
|
||||||
|
|
||||||
nxt: WeakAttr[Node] = WeakAttr(slot='_nxt_weak')
|
|
||||||
__slots__ = ('_nxt_weak',)
|
|
||||||
|
|
||||||
def __init__(self) -> None:
|
|
||||||
super().__init__(self, self)
|
|
||||||
|
|
||||||
def iternodes(self, *, reverse: bool = False) -> t.Iterator[Node]:
|
|
||||||
"""Iterator yielding nodes in the requested order."""
|
|
||||||
attr = 'prv' if reverse else 'nxt'
|
|
||||||
node = getattr(self, attr)
|
|
||||||
while node is not self:
|
|
||||||
yield node
|
|
||||||
node = getattr(node, attr)
|
|
||||||
|
|
||||||
def new_last_node(self) -> Node:
|
|
||||||
"""Create and return a new terminal node."""
|
|
||||||
old_last = self.prv
|
|
||||||
new_last = Node(old_last, self)
|
|
||||||
old_last.nxt = self.prv = new_last
|
|
||||||
return new_last
|
|
||||||
|
|
||||||
|
|
||||||
class OrderedBidictBase(BidictBase[KT, VT]):
|
|
||||||
"""Base class implementing an ordered :class:`BidirectionalMapping`."""
|
|
||||||
|
|
||||||
_node_by_korv: bidict[t.Any, Node]
|
|
||||||
_bykey: bool
|
|
||||||
|
|
||||||
def __init__(self, arg: MapOrItems[KT, VT] = (), /, **kw: VT) -> None:
|
|
||||||
"""Make a new ordered bidirectional mapping.
|
|
||||||
The signature behaves like that of :class:`dict`.
|
|
||||||
Items passed in are added in the order they are passed,
|
|
||||||
respecting the :attr:`~bidict.BidictBase.on_dup`
|
|
||||||
class attribute in the process.
|
|
||||||
|
|
||||||
The order in which items are inserted is remembered,
|
|
||||||
similar to :class:`collections.OrderedDict`.
|
|
||||||
"""
|
|
||||||
self._sntl = SentinelNode()
|
|
||||||
self._node_by_korv = bidict()
|
|
||||||
self._bykey = True
|
|
||||||
super().__init__(arg, **kw)
|
|
||||||
|
|
||||||
if t.TYPE_CHECKING:
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inverse(self) -> OrderedBidictBase[VT, KT]: ...
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> OrderedBidictBase[VT, KT]: ...
|
|
||||||
|
|
||||||
def _make_inverse(self) -> OrderedBidictBase[VT, KT]:
|
|
||||||
inv = t.cast(OrderedBidictBase[VT, KT], super()._make_inverse())
|
|
||||||
inv._sntl = self._sntl
|
|
||||||
inv._node_by_korv = self._node_by_korv
|
|
||||||
inv._bykey = not self._bykey
|
|
||||||
return inv
|
|
||||||
|
|
||||||
def _assoc_node(self, node: Node, key: KT, val: VT) -> None:
|
|
||||||
korv = key if self._bykey else val
|
|
||||||
self._node_by_korv.forceput(korv, node)
|
|
||||||
|
|
||||||
def _dissoc_node(self, node: Node) -> None:
|
|
||||||
del self._node_by_korv.inverse[node]
|
|
||||||
node.unlink()
|
|
||||||
|
|
||||||
def _init_from(self, other: MapOrItems[KT, VT]) -> None:
|
|
||||||
"""See :meth:`BidictBase._init_from`."""
|
|
||||||
super()._init_from(other)
|
|
||||||
bykey = self._bykey
|
|
||||||
korv_by_node = self._node_by_korv.inverse
|
|
||||||
korv_by_node.clear()
|
|
||||||
korv_by_node_set = korv_by_node.__setitem__
|
|
||||||
self._sntl.nxt = self._sntl.prv = self._sntl
|
|
||||||
new_node = self._sntl.new_last_node
|
|
||||||
for k, v in iteritems(other):
|
|
||||||
korv_by_node_set(new_node(), k if bykey else v)
|
|
||||||
|
|
||||||
def _write(self, newkey: KT, newval: VT, oldkey: OKT[KT], oldval: OVT[VT], unwrites: Unwrites | None) -> None:
|
|
||||||
"""See :meth:`bidict.BidictBase._spec_write`."""
|
|
||||||
super()._write(newkey, newval, oldkey, oldval, unwrites)
|
|
||||||
assoc, dissoc = self._assoc_node, self._dissoc_node
|
|
||||||
node_by_korv, bykey = self._node_by_korv, self._bykey
|
|
||||||
if oldval is MISSING and oldkey is MISSING: # no key or value duplication
|
|
||||||
# {0: 1, 2: 3} | {4: 5} => {0: 1, 2: 3, 4: 5}
|
|
||||||
newnode = self._sntl.new_last_node()
|
|
||||||
assoc(newnode, newkey, newval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.append((dissoc, newnode))
|
|
||||||
elif oldval is not MISSING and oldkey is not MISSING: # key and value duplication across two different items
|
|
||||||
# {0: 1, 2: 3} | {0: 3} => {0: 3}
|
|
||||||
# n1, n2 => n1 (collapse n1 and n2 into n1)
|
|
||||||
# oldkey: 2, oldval: 1, oldnode: n2, newkey: 0, newval: 3, newnode: n1
|
|
||||||
if bykey:
|
|
||||||
oldnode = node_by_korv[oldkey]
|
|
||||||
newnode = node_by_korv[newkey]
|
|
||||||
else:
|
|
||||||
oldnode = node_by_korv[newval]
|
|
||||||
newnode = node_by_korv[oldval]
|
|
||||||
dissoc(oldnode)
|
|
||||||
assoc(newnode, newkey, newval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.extend((
|
|
||||||
(assoc, newnode, newkey, oldval),
|
|
||||||
(assoc, oldnode, oldkey, newval),
|
|
||||||
(oldnode.relink,),
|
|
||||||
))
|
|
||||||
elif oldval is not MISSING: # just key duplication
|
|
||||||
# {0: 1, 2: 3} | {2: 4} => {0: 1, 2: 4}
|
|
||||||
# oldkey: MISSING, oldval: 3, newkey: 2, newval: 4
|
|
||||||
node = node_by_korv[newkey if bykey else oldval]
|
|
||||||
assoc(node, newkey, newval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.append((assoc, node, newkey, oldval))
|
|
||||||
else:
|
|
||||||
assert oldkey is not MISSING # just value duplication
|
|
||||||
# {0: 1, 2: 3} | {4: 3} => {0: 1, 4: 3}
|
|
||||||
# oldkey: 2, oldval: MISSING, newkey: 4, newval: 3
|
|
||||||
node = node_by_korv[oldkey if bykey else newval]
|
|
||||||
assoc(node, newkey, newval)
|
|
||||||
if unwrites is not None:
|
|
||||||
unwrites.append((assoc, node, oldkey, newval))
|
|
||||||
|
|
||||||
def __iter__(self) -> t.Iterator[KT]:
|
|
||||||
"""Iterator over the contained keys in insertion order."""
|
|
||||||
return self._iter(reverse=False)
|
|
||||||
|
|
||||||
def __reversed__(self) -> t.Iterator[KT]:
|
|
||||||
"""Iterator over the contained keys in reverse insertion order."""
|
|
||||||
return self._iter(reverse=True)
|
|
||||||
|
|
||||||
def _iter(self, *, reverse: bool = False) -> t.Iterator[KT]:
|
|
||||||
nodes = self._sntl.iternodes(reverse=reverse)
|
|
||||||
korv_by_node = self._node_by_korv.inverse
|
|
||||||
if self._bykey:
|
|
||||||
for node in nodes:
|
|
||||||
yield korv_by_node[node]
|
|
||||||
else:
|
|
||||||
key_by_val = self._invm
|
|
||||||
for node in nodes:
|
|
||||||
val = korv_by_node[node]
|
|
||||||
yield key_by_val[val]
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _bidict.py Current: _orderedbase.py Next: _orderedbidict.py →
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,172 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# (see comments in __init__.py)
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _orderedbase.py Current: _orderedbidict.py <FIN>
|
|
||||||
# ============================================================================
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide :class:`OrderedBidict`."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from collections.abc import Set
|
|
||||||
|
|
||||||
from ._base import BidictKeysView
|
|
||||||
from ._bidict import MutableBidict
|
|
||||||
from ._orderedbase import OrderedBidictBase
|
|
||||||
from ._typing import KT
|
|
||||||
from ._typing import VT
|
|
||||||
|
|
||||||
|
|
||||||
class OrderedBidict(OrderedBidictBase[KT, VT], MutableBidict[KT, VT]):
|
|
||||||
"""Mutable bidict type that maintains items in insertion order."""
|
|
||||||
|
|
||||||
if t.TYPE_CHECKING:
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inverse(self) -> OrderedBidict[VT, KT]: ...
|
|
||||||
|
|
||||||
@property
|
|
||||||
def inv(self) -> OrderedBidict[VT, KT]: ...
|
|
||||||
|
|
||||||
def clear(self) -> None:
|
|
||||||
"""Remove all items."""
|
|
||||||
super().clear()
|
|
||||||
self._node_by_korv.clear()
|
|
||||||
self._sntl.nxt = self._sntl.prv = self._sntl
|
|
||||||
|
|
||||||
def _pop(self, key: KT) -> VT:
|
|
||||||
val = super()._pop(key)
|
|
||||||
node = self._node_by_korv[key if self._bykey else val]
|
|
||||||
self._dissoc_node(node)
|
|
||||||
return val
|
|
||||||
|
|
||||||
def popitem(self, last: bool = True) -> tuple[KT, VT]:
|
|
||||||
"""*b.popitem() → (k, v)*
|
|
||||||
|
|
||||||
If *last* is true,
|
|
||||||
remove and return the most recently added item as a (key, value) pair.
|
|
||||||
Otherwise, remove and return the least recently added item.
|
|
||||||
|
|
||||||
:raises KeyError: if *b* is empty.
|
|
||||||
"""
|
|
||||||
if not self:
|
|
||||||
raise KeyError('OrderedBidict is empty')
|
|
||||||
node = getattr(self._sntl, 'prv' if last else 'nxt')
|
|
||||||
korv = self._node_by_korv.inverse[node]
|
|
||||||
if self._bykey:
|
|
||||||
return korv, self._pop(korv)
|
|
||||||
return self.inverse._pop(korv), korv
|
|
||||||
|
|
||||||
def move_to_end(self, key: KT, last: bool = True) -> None:
|
|
||||||
"""Move the item with the given key to the end if *last* is true, else to the beginning.
|
|
||||||
|
|
||||||
:raises KeyError: if *key* is missing
|
|
||||||
"""
|
|
||||||
korv = key if self._bykey else self._fwdm[key]
|
|
||||||
node = self._node_by_korv[korv]
|
|
||||||
node.prv.nxt = node.nxt
|
|
||||||
node.nxt.prv = node.prv
|
|
||||||
sntl = self._sntl
|
|
||||||
if last:
|
|
||||||
lastnode = sntl.prv
|
|
||||||
node.prv = lastnode
|
|
||||||
node.nxt = sntl
|
|
||||||
sntl.prv = lastnode.nxt = node
|
|
||||||
else:
|
|
||||||
firstnode = sntl.nxt
|
|
||||||
node.prv = sntl
|
|
||||||
node.nxt = firstnode
|
|
||||||
sntl.nxt = firstnode.prv = node
|
|
||||||
|
|
||||||
# Override the keys() and items() implementations inherited from BidictBase,
|
|
||||||
# which may delegate to the backing _fwdm dict, since this is a mutable ordered bidict,
|
|
||||||
# and therefore the ordering of items can get out of sync with the backing mappings
|
|
||||||
# after mutation. (Need not override values() because it delegates to .inverse.keys().)
|
|
||||||
def keys(self) -> t.KeysView[KT]:
|
|
||||||
"""A set-like object providing a view on the contained keys."""
|
|
||||||
return _OrderedBidictKeysView(self)
|
|
||||||
|
|
||||||
def items(self) -> t.ItemsView[KT, VT]:
|
|
||||||
"""A set-like object providing a view on the contained items."""
|
|
||||||
return _OrderedBidictItemsView(self)
|
|
||||||
|
|
||||||
|
|
||||||
# The following MappingView implementations use the __iter__ implementations
|
|
||||||
# inherited from their superclass counterparts in collections.abc, so they
|
|
||||||
# continue to yield items in the correct order even after an OrderedBidict
|
|
||||||
# is mutated. They also provide a __reversed__ implementation, which is not
|
|
||||||
# provided by the collections.abc superclasses.
|
|
||||||
class _OrderedBidictKeysView(BidictKeysView[KT]):
|
|
||||||
_mapping: OrderedBidict[KT, t.Any]
|
|
||||||
|
|
||||||
def __reversed__(self) -> t.Iterator[KT]:
|
|
||||||
return reversed(self._mapping)
|
|
||||||
|
|
||||||
|
|
||||||
class _OrderedBidictItemsView(t.ItemsView[KT, VT]):
|
|
||||||
_mapping: OrderedBidict[KT, VT]
|
|
||||||
|
|
||||||
def __reversed__(self) -> t.Iterator[tuple[KT, VT]]:
|
|
||||||
ob = self._mapping
|
|
||||||
for key in reversed(ob):
|
|
||||||
yield key, ob[key]
|
|
||||||
|
|
||||||
|
|
||||||
# For better performance, make _OrderedBidictKeysView and _OrderedBidictItemsView delegate
|
|
||||||
# to backing dicts for the methods they inherit from collections.abc.Set. (Cannot delegate
|
|
||||||
# for __iter__ and __reversed__ since they are order-sensitive.) See also: https://bugs.python.org/issue46713
|
|
||||||
_OView = t.Union[t.Type[_OrderedBidictKeysView[KT]], t.Type[_OrderedBidictItemsView[KT, t.Any]]]
|
|
||||||
_setmethodnames: t.Iterable[str] = (
|
|
||||||
'__lt__ __le__ __gt__ __ge__ __eq__ __ne__ __sub__ __rsub__ '
|
|
||||||
'__or__ __ror__ __xor__ __rxor__ __and__ __rand__ isdisjoint'
|
|
||||||
).split()
|
|
||||||
|
|
||||||
|
|
||||||
def _override_set_methods_to_use_backing_dict(cls: _OView[KT], viewname: str) -> None:
|
|
||||||
def make_proxy_method(methodname: str) -> t.Any:
|
|
||||||
def method(self: _OrderedBidictKeysView[KT] | _OrderedBidictItemsView[KT, t.Any], *args: t.Any) -> t.Any:
|
|
||||||
fwdm = self._mapping._fwdm
|
|
||||||
if not isinstance(fwdm, dict): # dict view speedup not available, fall back to Set's implementation.
|
|
||||||
return getattr(Set, methodname)(self, *args)
|
|
||||||
fwdm_dict_view = getattr(fwdm, viewname)()
|
|
||||||
fwdm_dict_view_method = getattr(fwdm_dict_view, methodname)
|
|
||||||
if (
|
|
||||||
len(args) != 1
|
|
||||||
or not isinstance((arg := args[0]), self.__class__)
|
|
||||||
or not isinstance(arg._mapping._fwdm, dict)
|
|
||||||
):
|
|
||||||
return fwdm_dict_view_method(*args)
|
|
||||||
# self and arg are both _OrderedBidictKeysViews or _OrderedBidictItemsViews whose bidicts are backed by
|
|
||||||
# a dict. Use arg's backing dict's corresponding view instead of arg. Otherwise, e.g. `ob1.keys()
|
|
||||||
# < ob2.keys()` would give "TypeError: '<' not supported between instances of '_OrderedBidictKeysView' and
|
|
||||||
# '_OrderedBidictKeysView'", because both `dict_keys(ob1).__lt__(ob2.keys()) is NotImplemented` and
|
|
||||||
# `dict_keys(ob2).__gt__(ob1.keys()) is NotImplemented`.
|
|
||||||
arg_dict = arg._mapping._fwdm
|
|
||||||
arg_dict_view = getattr(arg_dict, viewname)()
|
|
||||||
return fwdm_dict_view_method(arg_dict_view)
|
|
||||||
|
|
||||||
method.__name__ = methodname
|
|
||||||
method.__qualname__ = f'{cls.__qualname__}.{methodname}'
|
|
||||||
return method
|
|
||||||
|
|
||||||
for name in _setmethodnames:
|
|
||||||
setattr(cls, name, make_proxy_method(name))
|
|
||||||
|
|
||||||
|
|
||||||
_override_set_methods_to_use_backing_dict(_OrderedBidictKeysView, 'keys')
|
|
||||||
_override_set_methods_to_use_backing_dict(_OrderedBidictItemsView, 'items')
|
|
||||||
|
|
||||||
|
|
||||||
# * Code review nav *
|
|
||||||
# ============================================================================
|
|
||||||
# ← Prev: _orderedbase.py Current: _orderedbidict.py <FIN>
|
|
||||||
# ============================================================================
|
|
||||||
|
|
@ -1,49 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
|
|
||||||
"""Provide typing-related objects."""
|
|
||||||
|
|
||||||
from __future__ import annotations
|
|
||||||
|
|
||||||
import typing as t
|
|
||||||
from enum import Enum
|
|
||||||
|
|
||||||
|
|
||||||
KT = t.TypeVar('KT')
|
|
||||||
VT = t.TypeVar('VT')
|
|
||||||
VT_co = t.TypeVar('VT_co', covariant=True)
|
|
||||||
|
|
||||||
|
|
||||||
Items = t.Iterable[t.Tuple[KT, VT]]
|
|
||||||
|
|
||||||
|
|
||||||
@t.runtime_checkable
|
|
||||||
class Maplike(t.Protocol[KT, VT_co]):
|
|
||||||
"""Like typeshed's SupportsKeysAndGetItem, but usable at runtime."""
|
|
||||||
|
|
||||||
def keys(self) -> t.Iterable[KT]: ...
|
|
||||||
|
|
||||||
def __getitem__(self, __key: KT) -> VT_co: ...
|
|
||||||
|
|
||||||
|
|
||||||
MapOrItems = t.Union[Maplike[KT, VT], Items[KT, VT]]
|
|
||||||
MappOrItems = t.Union[t.Mapping[KT, VT], Items[KT, VT]]
|
|
||||||
ItemsIter = t.Iterator[t.Tuple[KT, VT]]
|
|
||||||
|
|
||||||
|
|
||||||
class MissingT(Enum):
|
|
||||||
"""Sentinel used to represent none/missing when None itself can't be used."""
|
|
||||||
|
|
||||||
MISSING = 'MISSING'
|
|
||||||
|
|
||||||
|
|
||||||
MISSING: t.Final[t.Literal[MissingT.MISSING]] = MissingT.MISSING
|
|
||||||
OKT = t.Union[KT, MissingT] #: optional key type
|
|
||||||
OVT = t.Union[VT, MissingT] #: optional value type
|
|
||||||
|
|
||||||
DT = t.TypeVar('DT') #: for default arguments
|
|
||||||
ODT = t.Union[DT, MissingT] #: optional default arg type
|
|
||||||
|
|
@ -1,14 +0,0 @@
|
||||||
# Copyright 2009-2024 Joshua Bronson. All rights reserved.
|
|
||||||
#
|
|
||||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
||||||
|
|
||||||
"""Define bidict package metadata."""
|
|
||||||
|
|
||||||
__version__ = '0.23.1'
|
|
||||||
__author__ = {'name': 'Joshua Bronson', 'email': 'jabronson@gmail.com'}
|
|
||||||
__copyright__ = '© 2009-2024 Joshua Bronson'
|
|
||||||
__description__ = 'The bidirectional mapping library for Python.'
|
|
||||||
__license__ = 'MPL 2.0'
|
|
||||||
__url__ = 'https://bidict.readthedocs.io'
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
PEP-561 marker.
|
|
||||||
|
|
@ -1,70 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
|
|
||||||
# Copyright (C) 2003-2007, 2009, 2011 Nominum, Inc.
|
|
||||||
#
|
|
||||||
# Permission to use, copy, modify, and distribute this software and its
|
|
||||||
# documentation for any purpose with or without fee is hereby granted,
|
|
||||||
# provided that the above copyright notice and this permission notice
|
|
||||||
# appear in all copies.
|
|
||||||
#
|
|
||||||
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
|
|
||||||
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
||||||
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
|
|
||||||
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
||||||
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
||||||
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
||||||
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
||||||
|
|
||||||
"""dnspython DNS toolkit"""
|
|
||||||
|
|
||||||
__all__ = [
|
|
||||||
"asyncbackend",
|
|
||||||
"asyncquery",
|
|
||||||
"asyncresolver",
|
|
||||||
"dnssec",
|
|
||||||
"dnssecalgs",
|
|
||||||
"dnssectypes",
|
|
||||||
"e164",
|
|
||||||
"edns",
|
|
||||||
"entropy",
|
|
||||||
"exception",
|
|
||||||
"flags",
|
|
||||||
"immutable",
|
|
||||||
"inet",
|
|
||||||
"ipv4",
|
|
||||||
"ipv6",
|
|
||||||
"message",
|
|
||||||
"name",
|
|
||||||
"namedict",
|
|
||||||
"node",
|
|
||||||
"opcode",
|
|
||||||
"query",
|
|
||||||
"quic",
|
|
||||||
"rcode",
|
|
||||||
"rdata",
|
|
||||||
"rdataclass",
|
|
||||||
"rdataset",
|
|
||||||
"rdatatype",
|
|
||||||
"renderer",
|
|
||||||
"resolver",
|
|
||||||
"reversename",
|
|
||||||
"rrset",
|
|
||||||
"serial",
|
|
||||||
"set",
|
|
||||||
"tokenizer",
|
|
||||||
"transaction",
|
|
||||||
"tsig",
|
|
||||||
"tsigkeyring",
|
|
||||||
"ttl",
|
|
||||||
"rdtypes",
|
|
||||||
"update",
|
|
||||||
"version",
|
|
||||||
"versioned",
|
|
||||||
"wire",
|
|
||||||
"xfr",
|
|
||||||
"zone",
|
|
||||||
"zonetypes",
|
|
||||||
"zonefile",
|
|
||||||
]
|
|
||||||
|
|
||||||
from dns.version import version as __version__ # noqa
|
|
||||||
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|
|
@ -1,99 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
|
|
||||||
# This is a nullcontext for both sync and async. 3.7 has a nullcontext,
|
|
||||||
# but it is only for sync use.
|
|
||||||
|
|
||||||
|
|
||||||
class NullContext:
|
|
||||||
def __init__(self, enter_result=None):
|
|
||||||
self.enter_result = enter_result
|
|
||||||
|
|
||||||
def __enter__(self):
|
|
||||||
return self.enter_result
|
|
||||||
|
|
||||||
def __exit__(self, exc_type, exc_value, traceback):
|
|
||||||
pass
|
|
||||||
|
|
||||||
async def __aenter__(self):
|
|
||||||
return self.enter_result
|
|
||||||
|
|
||||||
async def __aexit__(self, exc_type, exc_value, traceback):
|
|
||||||
pass
|
|
||||||
|
|
||||||
|
|
||||||
# These are declared here so backends can import them without creating
|
|
||||||
# circular dependencies with dns.asyncbackend.
|
|
||||||
|
|
||||||
|
|
||||||
class Socket: # pragma: no cover
|
|
||||||
async def close(self):
|
|
||||||
pass
|
|
||||||
|
|
||||||
async def getpeername(self):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def getsockname(self):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def getpeercert(self, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def __aenter__(self):
|
|
||||||
return self
|
|
||||||
|
|
||||||
async def __aexit__(self, exc_type, exc_value, traceback):
|
|
||||||
await self.close()
|
|
||||||
|
|
||||||
|
|
||||||
class DatagramSocket(Socket): # pragma: no cover
|
|
||||||
def __init__(self, family: int):
|
|
||||||
self.family = family
|
|
||||||
|
|
||||||
async def sendto(self, what, destination, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def recvfrom(self, size, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
|
|
||||||
class StreamSocket(Socket): # pragma: no cover
|
|
||||||
async def sendall(self, what, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def recv(self, size, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
|
|
||||||
class NullTransport:
|
|
||||||
async def connect_tcp(self, host, port, timeout, local_address):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
|
|
||||||
class Backend: # pragma: no cover
|
|
||||||
def name(self):
|
|
||||||
return "unknown"
|
|
||||||
|
|
||||||
async def make_socket(
|
|
||||||
self,
|
|
||||||
af,
|
|
||||||
socktype,
|
|
||||||
proto=0,
|
|
||||||
source=None,
|
|
||||||
destination=None,
|
|
||||||
timeout=None,
|
|
||||||
ssl_context=None,
|
|
||||||
server_hostname=None,
|
|
||||||
):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
def datagram_connection_required(self):
|
|
||||||
return False
|
|
||||||
|
|
||||||
async def sleep(self, interval):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
def get_transport_class(self):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def wait_for(self, awaitable, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
@ -1,275 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
|
|
||||||
"""asyncio library query support"""
|
|
||||||
|
|
||||||
import asyncio
|
|
||||||
import socket
|
|
||||||
import sys
|
|
||||||
|
|
||||||
import dns._asyncbackend
|
|
||||||
import dns._features
|
|
||||||
import dns.exception
|
|
||||||
import dns.inet
|
|
||||||
|
|
||||||
_is_win32 = sys.platform == "win32"
|
|
||||||
|
|
||||||
|
|
||||||
def _get_running_loop():
|
|
||||||
try:
|
|
||||||
return asyncio.get_running_loop()
|
|
||||||
except AttributeError: # pragma: no cover
|
|
||||||
return asyncio.get_event_loop()
|
|
||||||
|
|
||||||
|
|
||||||
class _DatagramProtocol:
|
|
||||||
def __init__(self):
|
|
||||||
self.transport = None
|
|
||||||
self.recvfrom = None
|
|
||||||
|
|
||||||
def connection_made(self, transport):
|
|
||||||
self.transport = transport
|
|
||||||
|
|
||||||
def datagram_received(self, data, addr):
|
|
||||||
if self.recvfrom and not self.recvfrom.done():
|
|
||||||
self.recvfrom.set_result((data, addr))
|
|
||||||
|
|
||||||
def error_received(self, exc): # pragma: no cover
|
|
||||||
if self.recvfrom and not self.recvfrom.done():
|
|
||||||
self.recvfrom.set_exception(exc)
|
|
||||||
|
|
||||||
def connection_lost(self, exc):
|
|
||||||
if self.recvfrom and not self.recvfrom.done():
|
|
||||||
if exc is None:
|
|
||||||
# EOF we triggered. Is there a better way to do this?
|
|
||||||
try:
|
|
||||||
raise EOFError
|
|
||||||
except EOFError as e:
|
|
||||||
self.recvfrom.set_exception(e)
|
|
||||||
else:
|
|
||||||
self.recvfrom.set_exception(exc)
|
|
||||||
|
|
||||||
def close(self):
|
|
||||||
self.transport.close()
|
|
||||||
|
|
||||||
|
|
||||||
async def _maybe_wait_for(awaitable, timeout):
|
|
||||||
if timeout is not None:
|
|
||||||
try:
|
|
||||||
return await asyncio.wait_for(awaitable, timeout)
|
|
||||||
except asyncio.TimeoutError:
|
|
||||||
raise dns.exception.Timeout(timeout=timeout)
|
|
||||||
else:
|
|
||||||
return await awaitable
|
|
||||||
|
|
||||||
|
|
||||||
class DatagramSocket(dns._asyncbackend.DatagramSocket):
|
|
||||||
def __init__(self, family, transport, protocol):
|
|
||||||
super().__init__(family)
|
|
||||||
self.transport = transport
|
|
||||||
self.protocol = protocol
|
|
||||||
|
|
||||||
async def sendto(self, what, destination, timeout): # pragma: no cover
|
|
||||||
# no timeout for asyncio sendto
|
|
||||||
self.transport.sendto(what, destination)
|
|
||||||
return len(what)
|
|
||||||
|
|
||||||
async def recvfrom(self, size, timeout):
|
|
||||||
# ignore size as there's no way I know to tell protocol about it
|
|
||||||
done = _get_running_loop().create_future()
|
|
||||||
try:
|
|
||||||
assert self.protocol.recvfrom is None
|
|
||||||
self.protocol.recvfrom = done
|
|
||||||
await _maybe_wait_for(done, timeout)
|
|
||||||
return done.result()
|
|
||||||
finally:
|
|
||||||
self.protocol.recvfrom = None
|
|
||||||
|
|
||||||
async def close(self):
|
|
||||||
self.protocol.close()
|
|
||||||
|
|
||||||
async def getpeername(self):
|
|
||||||
return self.transport.get_extra_info("peername")
|
|
||||||
|
|
||||||
async def getsockname(self):
|
|
||||||
return self.transport.get_extra_info("sockname")
|
|
||||||
|
|
||||||
async def getpeercert(self, timeout):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
|
|
||||||
class StreamSocket(dns._asyncbackend.StreamSocket):
|
|
||||||
def __init__(self, af, reader, writer):
|
|
||||||
self.family = af
|
|
||||||
self.reader = reader
|
|
||||||
self.writer = writer
|
|
||||||
|
|
||||||
async def sendall(self, what, timeout):
|
|
||||||
self.writer.write(what)
|
|
||||||
return await _maybe_wait_for(self.writer.drain(), timeout)
|
|
||||||
|
|
||||||
async def recv(self, size, timeout):
|
|
||||||
return await _maybe_wait_for(self.reader.read(size), timeout)
|
|
||||||
|
|
||||||
async def close(self):
|
|
||||||
self.writer.close()
|
|
||||||
|
|
||||||
async def getpeername(self):
|
|
||||||
return self.writer.get_extra_info("peername")
|
|
||||||
|
|
||||||
async def getsockname(self):
|
|
||||||
return self.writer.get_extra_info("sockname")
|
|
||||||
|
|
||||||
async def getpeercert(self, timeout):
|
|
||||||
return self.writer.get_extra_info("peercert")
|
|
||||||
|
|
||||||
|
|
||||||
if dns._features.have("doh"):
|
|
||||||
import anyio
|
|
||||||
import httpcore
|
|
||||||
import httpcore._backends.anyio
|
|
||||||
import httpx
|
|
||||||
|
|
||||||
_CoreAsyncNetworkBackend = httpcore.AsyncNetworkBackend
|
|
||||||
_CoreAnyIOStream = httpcore._backends.anyio.AnyIOStream
|
|
||||||
|
|
||||||
from dns.query import _compute_times, _expiration_for_this_attempt, _remaining
|
|
||||||
|
|
||||||
class _NetworkBackend(_CoreAsyncNetworkBackend):
|
|
||||||
def __init__(self, resolver, local_port, bootstrap_address, family):
|
|
||||||
super().__init__()
|
|
||||||
self._local_port = local_port
|
|
||||||
self._resolver = resolver
|
|
||||||
self._bootstrap_address = bootstrap_address
|
|
||||||
self._family = family
|
|
||||||
if local_port != 0:
|
|
||||||
raise NotImplementedError(
|
|
||||||
"the asyncio transport for HTTPX cannot set the local port"
|
|
||||||
)
|
|
||||||
|
|
||||||
async def connect_tcp(
|
|
||||||
self, host, port, timeout, local_address, socket_options=None
|
|
||||||
): # pylint: disable=signature-differs
|
|
||||||
addresses = []
|
|
||||||
_, expiration = _compute_times(timeout)
|
|
||||||
if dns.inet.is_address(host):
|
|
||||||
addresses.append(host)
|
|
||||||
elif self._bootstrap_address is not None:
|
|
||||||
addresses.append(self._bootstrap_address)
|
|
||||||
else:
|
|
||||||
timeout = _remaining(expiration)
|
|
||||||
family = self._family
|
|
||||||
if local_address:
|
|
||||||
family = dns.inet.af_for_address(local_address)
|
|
||||||
answers = await self._resolver.resolve_name(
|
|
||||||
host, family=family, lifetime=timeout
|
|
||||||
)
|
|
||||||
addresses = answers.addresses()
|
|
||||||
for address in addresses:
|
|
||||||
try:
|
|
||||||
attempt_expiration = _expiration_for_this_attempt(2.0, expiration)
|
|
||||||
timeout = _remaining(attempt_expiration)
|
|
||||||
with anyio.fail_after(timeout):
|
|
||||||
stream = await anyio.connect_tcp(
|
|
||||||
remote_host=address,
|
|
||||||
remote_port=port,
|
|
||||||
local_host=local_address,
|
|
||||||
)
|
|
||||||
return _CoreAnyIOStream(stream)
|
|
||||||
except Exception:
|
|
||||||
pass
|
|
||||||
raise httpcore.ConnectError
|
|
||||||
|
|
||||||
async def connect_unix_socket(
|
|
||||||
self, path, timeout, socket_options=None
|
|
||||||
): # pylint: disable=signature-differs
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
async def sleep(self, seconds): # pylint: disable=signature-differs
|
|
||||||
await anyio.sleep(seconds)
|
|
||||||
|
|
||||||
class _HTTPTransport(httpx.AsyncHTTPTransport):
|
|
||||||
def __init__(
|
|
||||||
self,
|
|
||||||
*args,
|
|
||||||
local_port=0,
|
|
||||||
bootstrap_address=None,
|
|
||||||
resolver=None,
|
|
||||||
family=socket.AF_UNSPEC,
|
|
||||||
**kwargs,
|
|
||||||
):
|
|
||||||
if resolver is None:
|
|
||||||
# pylint: disable=import-outside-toplevel,redefined-outer-name
|
|
||||||
import dns.asyncresolver
|
|
||||||
|
|
||||||
resolver = dns.asyncresolver.Resolver()
|
|
||||||
super().__init__(*args, **kwargs)
|
|
||||||
self._pool._network_backend = _NetworkBackend(
|
|
||||||
resolver, local_port, bootstrap_address, family
|
|
||||||
)
|
|
||||||
|
|
||||||
else:
|
|
||||||
_HTTPTransport = dns._asyncbackend.NullTransport # type: ignore
|
|
||||||
|
|
||||||
|
|
||||||
class Backend(dns._asyncbackend.Backend):
|
|
||||||
def name(self):
|
|
||||||
return "asyncio"
|
|
||||||
|
|
||||||
async def make_socket(
|
|
||||||
self,
|
|
||||||
af,
|
|
||||||
socktype,
|
|
||||||
proto=0,
|
|
||||||
source=None,
|
|
||||||
destination=None,
|
|
||||||
timeout=None,
|
|
||||||
ssl_context=None,
|
|
||||||
server_hostname=None,
|
|
||||||
):
|
|
||||||
loop = _get_running_loop()
|
|
||||||
if socktype == socket.SOCK_DGRAM:
|
|
||||||
if _is_win32 and source is None:
|
|
||||||
# Win32 wants explicit binding before recvfrom(). This is the
|
|
||||||
# proper fix for [#637].
|
|
||||||
source = (dns.inet.any_for_af(af), 0)
|
|
||||||
transport, protocol = await loop.create_datagram_endpoint(
|
|
||||||
_DatagramProtocol,
|
|
||||||
source,
|
|
||||||
family=af,
|
|
||||||
proto=proto,
|
|
||||||
remote_addr=destination,
|
|
||||||
)
|
|
||||||
return DatagramSocket(af, transport, protocol)
|
|
||||||
elif socktype == socket.SOCK_STREAM:
|
|
||||||
if destination is None:
|
|
||||||
# This shouldn't happen, but we check to make code analysis software
|
|
||||||
# happier.
|
|
||||||
raise ValueError("destination required for stream sockets")
|
|
||||||
(r, w) = await _maybe_wait_for(
|
|
||||||
asyncio.open_connection(
|
|
||||||
destination[0],
|
|
||||||
destination[1],
|
|
||||||
ssl=ssl_context,
|
|
||||||
family=af,
|
|
||||||
proto=proto,
|
|
||||||
local_addr=source,
|
|
||||||
server_hostname=server_hostname,
|
|
||||||
),
|
|
||||||
timeout,
|
|
||||||
)
|
|
||||||
return StreamSocket(af, r, w)
|
|
||||||
raise NotImplementedError(
|
|
||||||
"unsupported socket " + f"type {socktype}"
|
|
||||||
) # pragma: no cover
|
|
||||||
|
|
||||||
async def sleep(self, interval):
|
|
||||||
await asyncio.sleep(interval)
|
|
||||||
|
|
||||||
def datagram_connection_required(self):
|
|
||||||
return False
|
|
||||||
|
|
||||||
def get_transport_class(self):
|
|
||||||
return _HTTPTransport
|
|
||||||
|
|
||||||
async def wait_for(self, awaitable, timeout):
|
|
||||||
return await _maybe_wait_for(awaitable, timeout)
|
|
||||||
|
|
@ -1,154 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
#
|
|
||||||
# Support for Discovery of Designated Resolvers
|
|
||||||
|
|
||||||
import socket
|
|
||||||
import time
|
|
||||||
from urllib.parse import urlparse
|
|
||||||
|
|
||||||
import dns.asyncbackend
|
|
||||||
import dns.inet
|
|
||||||
import dns.name
|
|
||||||
import dns.nameserver
|
|
||||||
import dns.query
|
|
||||||
import dns.rdtypes.svcbbase
|
|
||||||
|
|
||||||
# The special name of the local resolver when using DDR
|
|
||||||
_local_resolver_name = dns.name.from_text("_dns.resolver.arpa")
|
|
||||||
|
|
||||||
|
|
||||||
#
|
|
||||||
# Processing is split up into I/O independent and I/O dependent parts to
|
|
||||||
# make supporting sync and async versions easy.
|
|
||||||
#
|
|
||||||
|
|
||||||
|
|
||||||
class _SVCBInfo:
|
|
||||||
def __init__(self, bootstrap_address, port, hostname, nameservers):
|
|
||||||
self.bootstrap_address = bootstrap_address
|
|
||||||
self.port = port
|
|
||||||
self.hostname = hostname
|
|
||||||
self.nameservers = nameservers
|
|
||||||
|
|
||||||
def ddr_check_certificate(self, cert):
|
|
||||||
"""Verify that the _SVCBInfo's address is in the cert's subjectAltName (SAN)"""
|
|
||||||
for name, value in cert["subjectAltName"]:
|
|
||||||
if name == "IP Address" and value == self.bootstrap_address:
|
|
||||||
return True
|
|
||||||
return False
|
|
||||||
|
|
||||||
def make_tls_context(self):
|
|
||||||
ssl = dns.query.ssl
|
|
||||||
ctx = ssl.create_default_context()
|
|
||||||
ctx.minimum_version = ssl.TLSVersion.TLSv1_2
|
|
||||||
return ctx
|
|
||||||
|
|
||||||
def ddr_tls_check_sync(self, lifetime):
|
|
||||||
ctx = self.make_tls_context()
|
|
||||||
expiration = time.time() + lifetime
|
|
||||||
with socket.create_connection(
|
|
||||||
(self.bootstrap_address, self.port), lifetime
|
|
||||||
) as s:
|
|
||||||
with ctx.wrap_socket(s, server_hostname=self.hostname) as ts:
|
|
||||||
ts.settimeout(dns.query._remaining(expiration))
|
|
||||||
ts.do_handshake()
|
|
||||||
cert = ts.getpeercert()
|
|
||||||
return self.ddr_check_certificate(cert)
|
|
||||||
|
|
||||||
async def ddr_tls_check_async(self, lifetime, backend=None):
|
|
||||||
if backend is None:
|
|
||||||
backend = dns.asyncbackend.get_default_backend()
|
|
||||||
ctx = self.make_tls_context()
|
|
||||||
expiration = time.time() + lifetime
|
|
||||||
async with await backend.make_socket(
|
|
||||||
dns.inet.af_for_address(self.bootstrap_address),
|
|
||||||
socket.SOCK_STREAM,
|
|
||||||
0,
|
|
||||||
None,
|
|
||||||
(self.bootstrap_address, self.port),
|
|
||||||
lifetime,
|
|
||||||
ctx,
|
|
||||||
self.hostname,
|
|
||||||
) as ts:
|
|
||||||
cert = await ts.getpeercert(dns.query._remaining(expiration))
|
|
||||||
return self.ddr_check_certificate(cert)
|
|
||||||
|
|
||||||
|
|
||||||
def _extract_nameservers_from_svcb(answer):
|
|
||||||
bootstrap_address = answer.nameserver
|
|
||||||
if not dns.inet.is_address(bootstrap_address):
|
|
||||||
return []
|
|
||||||
infos = []
|
|
||||||
for rr in answer.rrset.processing_order():
|
|
||||||
nameservers = []
|
|
||||||
param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.ALPN)
|
|
||||||
if param is None:
|
|
||||||
continue
|
|
||||||
alpns = set(param.ids)
|
|
||||||
host = rr.target.to_text(omit_final_dot=True)
|
|
||||||
port = None
|
|
||||||
param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.PORT)
|
|
||||||
if param is not None:
|
|
||||||
port = param.port
|
|
||||||
# For now we ignore address hints and address resolution and always use the
|
|
||||||
# bootstrap address
|
|
||||||
if b"h2" in alpns:
|
|
||||||
param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.DOHPATH)
|
|
||||||
if param is None or not param.value.endswith(b"{?dns}"):
|
|
||||||
continue
|
|
||||||
path = param.value[:-6].decode()
|
|
||||||
if not path.startswith("/"):
|
|
||||||
path = "/" + path
|
|
||||||
if port is None:
|
|
||||||
port = 443
|
|
||||||
url = f"https://{host}:{port}{path}"
|
|
||||||
# check the URL
|
|
||||||
try:
|
|
||||||
urlparse(url)
|
|
||||||
nameservers.append(dns.nameserver.DoHNameserver(url, bootstrap_address))
|
|
||||||
except Exception:
|
|
||||||
# continue processing other ALPN types
|
|
||||||
pass
|
|
||||||
if b"dot" in alpns:
|
|
||||||
if port is None:
|
|
||||||
port = 853
|
|
||||||
nameservers.append(
|
|
||||||
dns.nameserver.DoTNameserver(bootstrap_address, port, host)
|
|
||||||
)
|
|
||||||
if b"doq" in alpns:
|
|
||||||
if port is None:
|
|
||||||
port = 853
|
|
||||||
nameservers.append(
|
|
||||||
dns.nameserver.DoQNameserver(bootstrap_address, port, True, host)
|
|
||||||
)
|
|
||||||
if len(nameservers) > 0:
|
|
||||||
infos.append(_SVCBInfo(bootstrap_address, port, host, nameservers))
|
|
||||||
return infos
|
|
||||||
|
|
||||||
|
|
||||||
def _get_nameservers_sync(answer, lifetime):
|
|
||||||
"""Return a list of TLS-validated resolver nameservers extracted from an SVCB
|
|
||||||
answer."""
|
|
||||||
nameservers = []
|
|
||||||
infos = _extract_nameservers_from_svcb(answer)
|
|
||||||
for info in infos:
|
|
||||||
try:
|
|
||||||
if info.ddr_tls_check_sync(lifetime):
|
|
||||||
nameservers.extend(info.nameservers)
|
|
||||||
except Exception:
|
|
||||||
pass
|
|
||||||
return nameservers
|
|
||||||
|
|
||||||
|
|
||||||
async def _get_nameservers_async(answer, lifetime):
|
|
||||||
"""Return a list of TLS-validated resolver nameservers extracted from an SVCB
|
|
||||||
answer."""
|
|
||||||
nameservers = []
|
|
||||||
infos = _extract_nameservers_from_svcb(answer)
|
|
||||||
for info in infos:
|
|
||||||
try:
|
|
||||||
if await info.ddr_tls_check_async(lifetime):
|
|
||||||
nameservers.extend(info.nameservers)
|
|
||||||
except Exception:
|
|
||||||
pass
|
|
||||||
return nameservers
|
|
||||||
|
|
@ -1,92 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
|
|
||||||
import importlib.metadata
|
|
||||||
import itertools
|
|
||||||
import string
|
|
||||||
from typing import Dict, List, Tuple
|
|
||||||
|
|
||||||
|
|
||||||
def _tuple_from_text(version: str) -> Tuple:
|
|
||||||
text_parts = version.split(".")
|
|
||||||
int_parts = []
|
|
||||||
for text_part in text_parts:
|
|
||||||
digit_prefix = "".join(
|
|
||||||
itertools.takewhile(lambda x: x in string.digits, text_part)
|
|
||||||
)
|
|
||||||
try:
|
|
||||||
int_parts.append(int(digit_prefix))
|
|
||||||
except Exception:
|
|
||||||
break
|
|
||||||
return tuple(int_parts)
|
|
||||||
|
|
||||||
|
|
||||||
def _version_check(
|
|
||||||
requirement: str,
|
|
||||||
) -> bool:
|
|
||||||
"""Is the requirement fulfilled?
|
|
||||||
|
|
||||||
The requirement must be of the form
|
|
||||||
|
|
||||||
package>=version
|
|
||||||
"""
|
|
||||||
package, minimum = requirement.split(">=")
|
|
||||||
try:
|
|
||||||
version = importlib.metadata.version(package)
|
|
||||||
except Exception:
|
|
||||||
return False
|
|
||||||
t_version = _tuple_from_text(version)
|
|
||||||
t_minimum = _tuple_from_text(minimum)
|
|
||||||
if t_version < t_minimum:
|
|
||||||
return False
|
|
||||||
return True
|
|
||||||
|
|
||||||
|
|
||||||
_cache: Dict[str, bool] = {}
|
|
||||||
|
|
||||||
|
|
||||||
def have(feature: str) -> bool:
|
|
||||||
"""Is *feature* available?
|
|
||||||
|
|
||||||
This tests if all optional packages needed for the
|
|
||||||
feature are available and recent enough.
|
|
||||||
|
|
||||||
Returns ``True`` if the feature is available,
|
|
||||||
and ``False`` if it is not or if metadata is
|
|
||||||
missing.
|
|
||||||
"""
|
|
||||||
value = _cache.get(feature)
|
|
||||||
if value is not None:
|
|
||||||
return value
|
|
||||||
requirements = _requirements.get(feature)
|
|
||||||
if requirements is None:
|
|
||||||
# we make a cache entry here for consistency not performance
|
|
||||||
_cache[feature] = False
|
|
||||||
return False
|
|
||||||
ok = True
|
|
||||||
for requirement in requirements:
|
|
||||||
if not _version_check(requirement):
|
|
||||||
ok = False
|
|
||||||
break
|
|
||||||
_cache[feature] = ok
|
|
||||||
return ok
|
|
||||||
|
|
||||||
|
|
||||||
def force(feature: str, enabled: bool) -> None:
|
|
||||||
"""Force the status of *feature* to be *enabled*.
|
|
||||||
|
|
||||||
This method is provided as a workaround for any cases
|
|
||||||
where importlib.metadata is ineffective, or for testing.
|
|
||||||
"""
|
|
||||||
_cache[feature] = enabled
|
|
||||||
|
|
||||||
|
|
||||||
_requirements: Dict[str, List[str]] = {
|
|
||||||
### BEGIN generated requirements
|
|
||||||
"dnssec": ["cryptography>=41"],
|
|
||||||
"doh": ["httpcore>=1.0.0", "httpx>=0.26.0", "h2>=4.1.0"],
|
|
||||||
"doq": ["aioquic>=0.9.25"],
|
|
||||||
"idna": ["idna>=3.6"],
|
|
||||||
"trio": ["trio>=0.23"],
|
|
||||||
"wmi": ["wmi>=1.5.1"],
|
|
||||||
### END generated requirements
|
|
||||||
}
|
|
||||||
|
|
@ -1,76 +0,0 @@
|
||||||
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
||||||
|
|
||||||
# This implementation of the immutable decorator requires python >=
|
|
||||||
# 3.7, and is significantly more storage efficient when making classes
|
|
||||||
# with slots immutable. It's also faster.
|
|
||||||
|
|
||||||
import contextvars
|
|
||||||
import inspect
|
|
||||||
|
|
||||||
_in__init__ = contextvars.ContextVar("_immutable_in__init__", default=False)
|
|
||||||
|
|
||||||
|
|
||||||
class _Immutable:
|
|
||||||
"""Immutable mixin class"""
|
|
||||||
|
|
||||||
# We set slots to the empty list to say "we don't have any attributes".
|
|
||||||
# We do this so that if we're mixed in with a class with __slots__, we
|
|
||||||
# don't cause a __dict__ to be added which would waste space.
|
|
||||||
|
|
||||||
__slots__ = ()
|
|
||||||
|
|
||||||
def __setattr__(self, name, value):
|
|
||||||
if _in__init__.get() is not self:
|
|
||||||
raise TypeError("object doesn't support attribute assignment")
|
|
||||||
else:
|
|
||||||
super().__setattr__(name, value)
|
|
||||||
|
|
||||||
def __delattr__(self, name):
|
|
||||||
if _in__init__.get() is not self:
|
|
||||||
raise TypeError("object doesn't support attribute assignment")
|
|
||||||
else:
|
|
||||||
super().__delattr__(name)
|
|
||||||
|
|
||||||
|
|
||||||
def _immutable_init(f):
|
|
||||||
def nf(*args, **kwargs):
|
|
||||||
previous = _in__init__.set(args[0])
|
|
||||||
try:
|
|
||||||
# call the actual __init__
|
|
||||||
f(*args, **kwargs)
|
|
||||||
finally:
|
|
||||||
_in__init__.reset(previous)
|
|
||||||
|
|
||||||
nf.__signature__ = inspect.signature(f)
|
|
||||||
return nf
|
|
||||||
|
|
||||||
|
|
||||||
def immutable(cls):
|
|
||||||
if _Immutable in cls.__mro__:
|
|
||||||
# Some ancestor already has the mixin, so just make sure we keep
|
|
||||||
# following the __init__ protocol.
|
|
||||||
cls.__init__ = _immutable_init(cls.__init__)
|
|
||||||
if hasattr(cls, "__setstate__"):
|
|
||||||
cls.__setstate__ = _immutable_init(cls.__setstate__)
|
|
||||||
ncls = cls
|
|
||||||
else:
|
|
||||||
# Mixin the Immutable class and follow the __init__ protocol.
|
|
||||||
class ncls(_Immutable, cls):
|
|
||||||
# We have to do the __slots__ declaration here too!
|
|
||||||
__slots__ = ()
|
|
||||||
|
|
||||||
@_immutable_init
|
|
||||||
def __init__(self, *args, **kwargs):
|
|
||||||
super().__init__(*args, **kwargs)
|
|
||||||
|
|
||||||
if hasattr(cls, "__setstate__"):
|
|
||||||
|
|
||||||
@_immutable_init
|
|
||||||
def __setstate__(self, *args, **kwargs):
|
|
||||||
super().__setstate__(*args, **kwargs)
|
|
||||||
|
|
||||||
# make ncls have the same name and module as cls
|
|
||||||
ncls.__name__ = cls.__name__
|
|
||||||
ncls.__qualname__ = cls.__qualname__
|
|
||||||
ncls.__module__ = cls.__module__
|
|
||||||
return ncls
|
|
||||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue