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        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Environment :: Plugins",
            "Intended Audience :: Developers",
            "Intended Audience :: System Administrators",
            "License :: OSI Approved :: MIT License",
            "Operating System :: MacOS :: MacOS X",
            "Operating System :: Microsoft :: Windows",
            "Operating System :: POSIX",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Topic :: Utilities"
        ],
        "description": "devpi-constrained: releases filter for devpi-server\n===================================================\n\nThis plugin adds a *constrained* index to `devpi-server`_.\nThe *constrained* index is read-only and filters releases from its bases similar to `Constraints Files`_ in `pip`_.\n\n.. _devpi-server: http://pypi.python.org/pypi/devpi-server\n.. _Constraints Files: https://pip.pypa.io/en/stable/user_guide/#constraints-files\n.. _pip: https://pip.pypa.io/\n\n\nInstallation\n------------\n\n``devpi-constrained`` needs to be installed alongside ``devpi-server`` to enable *constrained* indexes.\n\nYou can install it with::\n\n    pip install devpi-constrained\n\nThere is no configuration needed as ``devpi-server`` will automatically discover the plugin through calling hooks using the setuptools entry points mechanism.\n\n\nMotivation\n----------\n\nIt is often useful to filter Python packages available for installation.\nFor example:\n\n- Filter package versions with known security issues\n- Provide a \"Known Good Set\" of packages which have been tested\n- Prevent installation of packages with incompatible licenses\n- Only allowing vetted packages\n- Block package versions with breaking changes\n\nWith ``devpi-constrained`` it is possible to provide a package index which enables all of the above and more.\n\n\nUsage\n-----\n\nCreate a *constrained* index with ``root/pypi`` as base:\n\n.. code-block::\n\n    $ devpi index -c prod/devpi type=constrained bases=root/pypi\n    https://example.com/prod/devpi:\n      type=constrained\n      bases=root/pypi\n      volatile=True\n      acl_upload=root\n      acl_toxresult_upload=:ANONYMOUS:\n      constraints=\n      mirror_whitelist=\n\n    $ devpi use prod/devpi\n\nWith no constraints set, all releases are available from ``root/pypi``.\n\nLets add a constraint for ``pip``:\n\n.. code-block::\n\n    $ devpi index constraints+=\"pip==6.0\"\n    /prod/devpi constraints+=pip==6.0\n    https://example.com/prod/devpi?no_projects=:\n      type=constrained\n      bases=root/pypi\n      volatile=True\n      acl_upload=root\n      acl_toxresult_upload=:ANONYMOUS:\n      constraints=pip==6.0\n      mirror_whitelist=\n\nNow only ``pip 6.0`` will be listed when looking for releases of ``pip``:\n\n.. code-block::\n\n    $ devpi list --all pip\n    http://localhost:3141/root/pypi/+f/610/3897f1bb68d3f/pip-6.0.tar.gz\n    http://localhost:3141/root/pypi/+f/5ec/6732505bd8be4/pip-6.0-py2.py3-none-any.whl\n\nAll other packages are still unconstrained.\n\nTo block everything else we add the ``*`` constraint:\n\n.. code-block::\n\n    $ devpi index constraints+=\"*\"\n    /prod/devpi constraints+=*\n    https://example.com/prod/devpi?no_projects=:\n      type=constrained\n      bases=root/pypi\n      volatile=True\n      acl_upload=root\n      acl_toxresult_upload=:ANONYMOUS:\n      constraints=pip==6.0,*\n      mirror_whitelist=\n\nThis is the difference to ``pip`` constraints, where this isn't possible.\n\n.. code-block::\n\n    $ devpi list --all devpi-server\n    GET https://example.com/prod/devpi/devpi-server/\n    404 Not Found: no project 'devpi-server'\n\nThe ``constraints`` option can be set in bulk from a file.\nCreate a file ``constraints.txt`` with each constraint in one line::\n\n    pip<8,>4\n    # a comment\n    devpi-server>=4\n\nSet the ``constraints`` option on your index from the file::\n\n    $ devpi index constraints=\"$(cat constraints.txt)\"\n\nChangelog\n=========\n\n1.0.0 - 2019-08-05\n------------------\n\n- Initial release.\n  [fschulze (Florian Schulze)]\n\n\n",
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        "home_page": "",
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        "license": "MIT",
        "maintainer": "",
        "maintainer_email": "",
        "name": "devpi-constrained",
        "package_url": "https://pypi.org/project/devpi-constrained/",
        "platform": "",
        "project_url": "https://pypi.org/project/devpi-constrained/",
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        "requires_dist": [
            "devpi-common",
            "devpi-server (>=5.1.0)"
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        "summary": "\"devpi-constrained: an index for devpi-server that provides a constrained list of packages from it's bases\"",
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