Changed code to support older Python versions
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pip
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Metadata-Version: 2.4
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Name: ujson
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Version: 5.11.0
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Summary: Ultra fast JSON encoder and decoder for Python
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Home-page: https://github.com/ultrajson/ultrajson
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Download-URL: https://github.com/ultrajson/ultrajson
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Author: Jonas Tarnstrom
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Project-URL: Source, https://github.com/ultrajson/ultrajson
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Platform: any
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: Intended Audience :: Developers
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Classifier: Programming Language :: C
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3 :: Only
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Classifier: Programming Language :: Python :: 3.9
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Classifier: Programming Language :: Python :: 3.10
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Classifier: Programming Language :: Python :: 3.11
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Classifier: Programming Language :: Python :: 3.12
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Classifier: Programming Language :: Python :: 3.13
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Classifier: Programming Language :: Python :: 3.14
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Classifier: Typing :: Typed
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Requires-Python: >=3.9
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Description-Content-Type: text/markdown
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License-File: LICENSE.txt
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Dynamic: download-url
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Dynamic: license-file
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# UltraJSON
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[](https://pypi.org/project/ujson)
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[](https://pypi.org/project/ujson)
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[](https://pypistats.org/packages/ujson)
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[](https://github.com/ultrajson/ultrajson/actions)
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[](https://codecov.io/gh/ultrajson/ultrajson)
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[](https://zenodo.org/badge/latestdoi/1418941)
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[](https://github.com/psf/black)
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UltraJSON is an ultra fast JSON encoder and decoder written in pure C with bindings for
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Python 3.9+.
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Install with pip:
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```sh
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python -m pip install ujson
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```
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## Project status
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> [!WARNING]
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> UltraJSON's architecture is fundamentally ill-suited to making changes without
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> risk of introducing new security vulnerabilities. As a result, this library
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> has been put into a *maintenance-only* mode. Support for new Python versions
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> will be added and critical bugs and security issues will still be
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> fixed but all other changes will be rejected. Users are encouraged to migrate
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> to [orjson](https://pypi.org/project/orjson/) which is both much faster and
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> less likely to introduce a surprise buffer overflow vulnerability in the
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> future.
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## Usage
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May be used as a drop in replacement for most other JSON parsers for Python:
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```pycon
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>>> import ujson
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>>> ujson.dumps([{"key": "value"}, 81, True])
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'[{"key":"value"},81,true]'
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>>> ujson.loads("""[{"key": "value"}, 81, true]""")
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[{'key': 'value'}, 81, True]
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```
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### Encoder options
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#### encode_html_chars
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Used to enable special encoding of "unsafe" HTML characters into safer Unicode
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sequences. Default is `False`:
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```pycon
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>>> ujson.dumps("<script>John&Doe", encode_html_chars=True)
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'"\\u003cscript\\u003eJohn\\u0026Doe"'
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```
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#### ensure_ascii
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Limits output to ASCII and escapes all extended characters above 127. Default is `True`.
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If your end format supports UTF-8, setting this option to false is highly recommended to
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save space:
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```pycon
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>>> ujson.dumps("åäö")
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'"\\u00e5\\u00e4\\u00f6"'
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>>> ujson.dumps("åäö", ensure_ascii=False)
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'"åäö"'
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```
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#### escape_forward_slashes
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Controls whether forward slashes (`/`) are escaped. Default is `True`:
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```pycon
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>>> ujson.dumps("https://example.com")
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'"https:\\/\\/example.com"'
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>>> ujson.dumps("https://example.com", escape_forward_slashes=False)
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'"https://example.com"'
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```
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#### indent
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Controls whether indentation ("pretty output") is enabled. Default is `0` (disabled):
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```pycon
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>>> ujson.dumps({"foo": "bar"})
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'{"foo":"bar"}'
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>>> print(ujson.dumps({"foo": "bar"}, indent=4))
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{
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"foo": "bar"
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}
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```
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## Benchmarks
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*UltraJSON* calls/sec compared to other popular JSON parsers with performance gain
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specified below each.
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### Test machine
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Linux 5.15.0-1037-azure x86_64 #44-Ubuntu SMP Thu Apr 20 13:19:31 UTC 2023
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### Versions
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- CPython 3.11.3 (main, Apr 6 2023, 07:55:46) [GCC 11.3.0]
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- ujson : 5.7.1.dev26
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- orjson : 3.9.0
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- simplejson : 3.19.1
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- json : 2.0.9
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| | ujson | orjson | simplejson | json |
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|-------------------------------------------------------------------------------|-----------:|-----------:|-----------:|-----------:|
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| Array with 256 doubles | | | | |
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| encode | 18,282 | 79,569 | 5,681 | 5,935 |
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| decode | 28,765 | 93,283 | 13,844 | 13,367 |
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| Array with 256 UTF-8 strings | | | | |
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| encode | 3,457 | 26,437 | 3,630 | 3,653 |
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| decode | 3,576 | 4,236 | 522 | 1,978 |
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| Array with 256 strings | | | | |
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| encode | 44,769 | 125,920 | 21,401 | 23,565 |
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| decode | 28,518 | 75,043 | 41,496 | 42,221 |
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| Medium complex object | | | | |
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| encode | 11,672 | 47,659 | 3,913 | 5,729 |
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| decode | 12,522 | 23,599 | 8,007 | 9,720 |
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| Array with 256 True values | | | | |
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| encode | 110,444 | 425,919 | 81,428 | 84,347 |
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| decode | 203,430 | 318,193 | 146,867 | 156,249 |
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| Array with 256 dict{string, int} pairs | | | | |
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| encode | 14,170 | 72,514 | 3,050 | 7,079 |
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| decode | 19,116 | 27,542 | 9,374 | 13,713 |
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| Dict with 256 arrays with 256 dict{string, int} pairs | | | | |
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| encode | 55 | 282 | 11 | 26 |
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| decode | 48 | 53 | 27 | 34 |
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| Dict with 256 arrays with 256 dict{string, int} pairs, outputting sorted keys | | | | |
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| encode | 42 | | 8 | 27 |
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| Complex object | | | | |
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| encode | 462 | | 397 | 444 |
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| decode | 480 | 618 | 177 | 310 |
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Above metrics are in call/sec, larger is better.
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## Build options
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For those with particular needs, such as Linux distribution packagers, several
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build options are provided in the form of environment variables.
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### Debugging symbols
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#### UJSON_BUILD_NO_STRIP
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By default, debugging symbols are stripped on Linux platforms. Setting this
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environment variable with a value of `1` or `True` disables this behavior.
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### Using an external or system copy of the double-conversion library
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These two environment variables are typically used together, something like:
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```sh
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export UJSON_BUILD_DC_INCLUDES='/usr/include/double-conversion'
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export UJSON_BUILD_DC_LIBS='-ldouble-conversion'
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```
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Users planning to link against an external shared library should be aware of
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the ABI-compatibility requirements this introduces when upgrading system
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libraries or copying compiled wheels to other machines.
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#### UJSON_BUILD_DC_INCLUDES
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One or more directories, delimited by `os.pathsep` (same as the `PATH`
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environment variable), in which to look for `double-conversion` header files;
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the default is to use the bundled copy.
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#### UJSON_BUILD_DC_LIBS
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Compiler flags needed to link the `double-conversion` library; the default
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is to use the bundled copy.
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ujson-5.11.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
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ujson-5.11.0.dist-info/METADATA,sha256=OFWMAFAnMCyFCy3Kz6s18cl1X7cdJyHMhjU5iWWTsYk,9372
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ujson-5.11.0.dist-info/RECORD,,
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ujson-5.11.0.dist-info/WHEEL,sha256=N6PyfvHGx46Sh1ny6KlB0rtGwHkXZAwlLCEEPBiTPn8,152
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ujson-5.11.0.dist-info/licenses/LICENSE.txt,sha256=NoZjRPCkhlQb2YAPGkB6BWwMIUqCxljwWWlNrz3DlNI,5975
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ujson-5.11.0.dist-info/top_level.txt,sha256=0y7HOCkRmhxBpeIgQNihfjMyrRGi9S7ZkzEZbPQ3Yw8,18
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ujson-stubs/__init__.pyi,sha256=1CU9-3CuE8Fre8QGhJ2Tf1Qe15NvV4nQKAv2s-nsWFs,1606
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ujson.cpython-311-x86_64-linux-gnu.so,sha256=JGFkYB4_QmEOb3LutzQUvY8HMtq74cRnP9hDCSj8Ads,106280
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Wheel-Version: 1.0
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Generator: setuptools (80.9.0)
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Root-Is-Purelib: false
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Tag: cp311-cp311-manylinux_2_24_x86_64
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Tag: cp311-cp311-manylinux_2_28_x86_64
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Developed by ESN, an Electronic Arts Inc. studio.
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Copyright (c) 2014, Electronic Arts Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of ESN, Electronic Arts Inc. nor the
|
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL ELECTRONIC ARTS INC. BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----
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Portions of code from MODP_ASCII - Ascii transformations (upper/lower, etc)
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https://github.com/client9/stringencoders
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Copyright 2005, 2006, 2007
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Nick Galbreath -- nickg [at] modp [dot] com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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Neither the name of the modp.com nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This is the standard "new" BSD license:
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http://www.opensource.org/licenses/bsd-license.php
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https://github.com/client9/stringencoders/blob/cfd5c1507325ae497ea9bacdacba12c0ffd79d30/COPYING
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----
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Numeric decoder derived from from TCL library
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https://opensource.apple.com/source/tcl/tcl-14/tcl/license.terms
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* Copyright (c) 1988-1993 The Regents of the University of California.
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* Copyright (c) 1994 Sun Microsystems, Inc.
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This software is copyrighted by the Regents of the University of
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California, Sun Microsystems, Inc., Scriptics Corporation, ActiveState
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Corporation and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose, provided
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that existing copyright notices are retained in all copies and that this
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notice is included verbatim in any distributions. No written agreement,
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license, or royalty fee is required for any of the authorized uses.
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Modifications to this software may be copyrighted by their authors
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and need not follow the licensing terms described here, provided that
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the new terms are clearly indicated on the first page of each file where
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they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
|
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
|
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
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IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
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NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
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MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights"
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in the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
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are acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
|
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Government shall have only "Restricted Rights" as defined in Clause
|
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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ujson
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ujson-stubs
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