Update virtualenv to 20.0.21

This PR updates virtualenv from 20.0.13 to 20.0.21.

Changelog

### 20.0.20 ``` ~~~~~~~~~~~~~~~~~~ - Fix download fails with python 3.4 - by :user:`gaborbernat`. (`1809 <https://github.com/pypa/virtualenv/issues/1809>`_) - Fixes older CPython2 versions use ``_get_makefile_filename`` instead of ``get_makefile_filename`` on ``sysconfig`` - by :user:`ianw`. (`1810 <https://github.com/pypa/virtualenv/issues/1810>`_) - Fix download is ``True`` by default - by :user:`gaborbernat`. (`1813 <https://github.com/pypa/virtualenv/issues/1813>`_) - Fail ``app-data`` seed operation when wheel download fails and better error message - by :user:`gaborbernat`. (`1814 <https://github.com/pypa/virtualenv/issues/1814>`_) ``` ### 20.0.19 ``` ~~~~~~~~~~~~~~~~~~ - Fix generating a Python 2 environment from Python 3 creates invalid python activator - by :user:`gaborbernat`. (`1776 <https://github.com/pypa/virtualenv/issues/1776>`_) - Fix pinning seed packages via ``app-data`` seeder raised ``Invalid Requirement`` - by :user:`gaborbernat`. (`1779 <https://github.com/pypa/virtualenv/issues/1779>`_) - Do not stop interpreter discovery if we fail to find the system interpreter for a executable during discovery - by :user:`gaborbernat`. (`1781 <https://github.com/pypa/virtualenv/issues/1781>`_) - On CPython2 POSIX platforms ensure ``syconfig.get_makefile_filename`` exists within the virtual environment (this is used by some c-extension based libraries - e.g. numpy - for building) - by :user:`gaborbernat`. (`1783 <https://github.com/pypa/virtualenv/issues/1783>`_) - Better handling of options :option:`copies` and :option:`symlinks`. Introduce priority of where the option is set to follow the order: CLI, env var, file, hardcoded. If both set at same level prefers copy over symlink. - by :user:`gaborbernat`. (`1784 <https://github.com/pypa/virtualenv/issues/1784>`_) - Upgrade pip for Python ``2.7`` and ``3.5+`` from ``20.0.2`` to ``20.1`` - by :user:`gaborbernat`. (`1793 <https://github.com/pypa/virtualenv/issues/1793>`_) - Fix CPython is not discovered from Windows registry, and discover pythons from Windows registry in decreasing order by version - by :user:`gaborbernat`. (`1796 <https://github.com/pypa/virtualenv/issues/1796>`_) - Fix symlink detection for creators - by :user:`asottile` (`1803 <https://github.com/pypa/virtualenv/issues/1803>`_) ``` ### 20.0.18 ``` ~~~~~~~~~~~~~~~~~~ - Importing setuptools before cli_run could cause our python information query to fail due to setuptools patching ``distutils.dist.Distribution`` - by :user:`gaborbernat`. (`1771 <https://github.com/pypa/virtualenv/issues/1771>`_) ``` ### 20.0.17 ``` ~~~~~~~~~~~~~~~~~~ - Extend environment variables checked for configuration to also check aliases (e.g. setting either ``VIRTUALENV_COPIES`` or ``VIRTUALENV_ALWAYS_COPY`` will work) - by :user:`gaborbernat`. (`1763 <https://github.com/pypa/virtualenv/issues/1763>`_) ``` ### 20.0.16 ``` ~~~~~~~~~~~~~~~~~~ - Allow seed wheel files inside the :option:`extra-search-dir` folders that do not have ``Requires-Python`` metadata specified, these are considered compatible with all python versions - by :user:`gaborbernat`. (`1757 <https://github.com/pypa/virtualenv/issues/1757>`_) ``` ### 20.0.15 ``` ~~~~~~~~~~~~~~~~~~ - Upgrade embedded setuptools to ``46.1.3`` from ``46.1.1`` - by :user:`gaborbernat`. (`1752 <https://github.com/pypa/virtualenv/issues/1752>`_) ``` ### 20.0.14 ``` ~~~~~~~~~~~~~~~~~~ - Fix discovery of interpreter by name from ``PATH`` that does not match a spec format - by :user:`gaborbernat`. (`1746 <https://github.com/pypa/virtualenv/issues/1746>`_) ```

Links

- PyPI: https://pypi.org/project/virtualenv - Changelog: https://pyup.io/changelogs/virtualenv/ - Homepage: https://virtualenv.pypa.io/

UNCG-CSE / Poststorm_Imagery

Update virtualenv to 20.0.21 #772

Codecov Report