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huangfu c4f851d387 chore: 添加虚拟环境到仓库 
- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意：虚拟环境约393MB，包含12655个文件
2025-12-03 10:19:25 +08:00

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Metadata-Version: 2.4
Name: pybase64
Version: 1.4.2
Summary: Fast Base64 encoding/decoding
Home-page: https://github.com/mayeut/pybase64
Author: Matthieu Darbois
License: BSD-2-Clause
Project-URL: Source, https://github.com/mayeut/pybase64
Project-URL: Tracker, https://github.com/mayeut/pybase64/issues
Project-URL: Documentation, https://pybase64.readthedocs.io/en/stable
Keywords: base64
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Topic :: Utilities
Classifier: License :: OSI Approved :: BSD License
Classifier: Programming Language :: C
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: 3.14
Requires-Python: >=3.8
Description-Content-Type: text/x-rst
License-File: LICENSE
Dynamic: author
Dynamic: classifier
Dynamic: description
Dynamic: description-content-type
Dynamic: home-page
Dynamic: keywords
Dynamic: license
Dynamic: license-file
Dynamic: project-url
Dynamic: requires-python
Dynamic: summary
.. SETUP VARIABLES
.. |license-status| image:: https://img.shields.io/badge/license-BSD%202--Clause-blue.svg
:target: https://github.com/mayeut/pybase64/blob/master/LICENSE
.. |pypi-status| image:: https://img.shields.io/pypi/v/pybase64.svg
:target: https://pypi.python.org/pypi/pybase64
.. |python-versions| image:: https://img.shields.io/pypi/pyversions/pybase64.svg
.. |rtd-status| image:: https://readthedocs.org/projects/pybase64/badge/?version=stable
:target: http://pybase64.readthedocs.io/en/stable/?badge=stable
:alt: Documentation Status
.. |gha-status| image:: https://github.com/mayeut/pybase64/workflows/Build%20and%20upload%20to%20PyPI/badge.svg
:target: https://github.com/mayeut/pybase64/actions?query=workflow%3A%22Build+and+upload+to+PyPI%22
.. |codecov-status| image:: https://codecov.io/gh/mayeut/pybase64/branch/master/graph/badge.svg
:target: https://codecov.io/gh/mayeut/pybase64/branch/master
.. END OF SETUP
Fast Base64 implementation
==========================
|license-status| |pypi-status| |python-versions| |rtd-status| |gha-status| |codecov-status|
This project is a wrapper on `libbase64 <https://github.com/aklomp/base64>`_.
It aims to provide a fast base64 implementation for base64 encoding/decoding.
Installation
============
.. code::
pip install pybase64
Usage
=====
``pybase64`` uses the same API as Python base64 "modern interface" (introduced in Python 2.4) for an easy integration.
To get the fastest decoding, it is recommended to use the ``pybase64.b64decode`` and ``validate=True`` when possible.
.. code:: python
import pybase64
print(pybase64.b64encode(b'>>>foo???', altchars='_:'))
# b'Pj4_Zm9vPz8:'
print(pybase64.b64decode(b'Pj4_Zm9vPz8:', altchars='_:', validate=True))
# b'>>>foo???'
# Standard encoding helpers
print(pybase64.standard_b64encode(b'>>>foo???'))
# b'Pj4+Zm9vPz8/'
print(pybase64.standard_b64decode(b'Pj4+Zm9vPz8/'))
# b'>>>foo???'
# URL safe encoding helpers
print(pybase64.urlsafe_b64encode(b'>>>foo???'))
# b'Pj4-Zm9vPz8_'
print(pybase64.urlsafe_b64decode(b'Pj4-Zm9vPz8_'))
# b'>>>foo???'
.. begin cli
A command-line tool is also provided. It has encode, decode and benchmark subcommands.
.. code::
usage: pybase64 [-h] [-V] {benchmark,encode,decode} ...
pybase64 command-line tool.
positional arguments:
{benchmark,encode,decode}
tool help
benchmark -h for usage
encode -h for usage
decode -h for usage
optional arguments:
-h, --help show this help message and exit
-V, --version show program's version number and exit
.. end cli
Full documentation on `Read the Docs <http://pybase64.readthedocs.io/en/stable/?badge=stable>`_.
Benchmark
=========
.. begin benchmark
Running Python 3.7.2, Apple LLVM version 10.0.0 (clang-1000.11.45.5), Mac OS X 10.14.2 on an Intel Core i7-4870HQ @ 2.50GHz
.. code::
pybase64 0.5.0 (C extension active - AVX2)
bench: altchars=None, validate=False
pybase64._pybase64.encodebytes: 1734.776 MB/s (13,271,472 bytes -> 17,928,129 bytes)
pybase64._pybase64.b64encode: 4039.539 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode: 1854.423 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.encodebytes: 78.352 MB/s (13,271,472 bytes -> 17,928,129 bytes)
base64.b64encode: 539.840 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode: 287.826 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=None, validate=True
pybase64._pybase64.b64encode: 4156.607 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode: 4107.997 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode: 559.342 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode: 143.674 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=b'-_', validate=False
pybase64._pybase64.b64encode: 2786.776 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode: 1124.136 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode: 322.427 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode: 205.195 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=b'-_', validate=True
pybase64._pybase64.b64encode: 2806.271 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode: 2740.456 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode: 314.709 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode: 121.803 MB/s (17,695,296 bytes -> 13,271,472 bytes)
.. end benchmark
.. begin changelog
Changelog
=========
1.4.2
-----
- Update base64 library (Windows ARM64 Neon support)
- Publish Python 3.14 wheels
- Publish Linux riscv64 wheels
- Publish Android wheels
- Publish iOS wheels
- Publish GraalPy wheels
1.4.1
-----
- Publish PyPy 3.11 wheels
- Publish armv7l wheels
1.4.0
-----
- Publish python 3.13 wheels
- Add support for free-threaded builds
- Add MSYS2 support for C-extension
- Better logging on base64 build failure when C-extension build is optional
- Drop python 3.6 & 3.7 support
1.3.2
-----
- Update base64 library
- PyPy: fix wrong outcome with non C-contiguous buffer
1.3.1
-----
- Add missing py.typed marker
1.3.0
-----
- Update base64 library
- Add AVX512-VBMI implementation
- Rework extension build to remove adherence on distutils
- Publish python 3.12 wheels
- Documentation now uses furo theme
1.2.3
-----
- Update base64 library
- Publish python 3.11 wheels
1.2.2
-----
- Update base64 library
- Fix C extension build on musl distros
- Publish musllinux wheels
1.2.1
-----
- Publish PyPy 3.8 (pypy38_pp73) wheels
1.2.0
-----
- Release the GIL
- Publish CPython 3.10 wheels
- Drop python 3.5 support
1.1.4
-----
- Add macOS arm64 wheel
1.1.3
-----
- GitHub Actions: fix build on tag
1.1.2
-----
- Add PyPy wheels
- Add aarch64, ppc64le & s390x manylinux wheels
1.1.1
-----
- Move CI from TravisCI/AppVeyor to GitHub Actions
- Fix publication of Linux/macOS wheels
1.1.0
-----
- Add b64encode_as_string, same as b64encode but returns a str object instead of a bytes object
- Add b64decode_as_bytearray, same as b64decode but returns a bytarray object instead of a bytes object
- Speed-Up decoding from UCS1 strings
1.0.2
-----
- Update base64 library
- Publish python 3.9 wheels
1.0.1
-----
- Publish python 3.8 wheels
1.0.0
-----
- Drop python 3.4 support
- Drop python 2.7 support
0.5.0
-----
- Publish python 3.7 wheels
- Drop python 3.3 support
0.4.0
-----
- Speed-up decoding when validate==False
0.3.1
-----
- Fix deployment issues
0.3.0
-----
- Add encodebytes function
0.2.1
-----
- Fixed invalid results on Windows
0.2.0
-----
- Added documentation
- Added subcommands to the main script:
* help
* version
* encode
* decode
* benchmark
0.1.2
-----
- Updated base64 native library
0.1.1
-----
- Fixed deployment issues
0.1.0
-----
- First public release
.. end changelog
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