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author | Roger Gonzalez <rogergonzalez21@gmail.com> | 2020-04-08 10:38:14 -0300 |
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committer | Roger Gonzalez <rogergonzalez21@gmail.com> | 2020-04-08 10:38:14 -0300 |
commit | 5f0f2f90361a4c0a76478b288998595fc3ddebd2 (patch) | |
tree | fba8d30e376187e1b0b441314497bb1a70989f08 /.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py | |
parent | 47e1414d1be0069b158d0d0718988d72b0fb5d0d (diff) |
Added my old emacs config
Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py')
-rw-r--r-- | .emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py new file mode 100644 index 00000000..f7ac5f46 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/envbuild.py @@ -0,0 +1,158 @@ +"""Build wheels/sdists by installing build deps to a temporary environment. +""" + +import os +import logging +from pip._vendor import pytoml +import shutil +from subprocess import check_call +import sys +from sysconfig import get_paths +from tempfile import mkdtemp + +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +def _load_pyproject(source_dir): + with open(os.path.join(source_dir, 'pyproject.toml')) as f: + pyproject_data = pytoml.load(f) + buildsys = pyproject_data['build-system'] + return buildsys['requires'], buildsys['build-backend'] + + +class BuildEnvironment(object): + """Context manager to install build deps in a simple temporary environment + + Based on code I wrote for pip, which is MIT licensed. + """ + # Copyright (c) 2008-2016 The pip developers (see AUTHORS.txt file) + # + # 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. + + path = None + + def __init__(self, cleanup=True): + self._cleanup = cleanup + + def __enter__(self): + self.path = mkdtemp(prefix='pep517-build-env-') + log.info('Temporary build environment: %s', self.path) + + self.save_path = os.environ.get('PATH', None) + self.save_pythonpath = os.environ.get('PYTHONPATH', None) + + install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix' + install_dirs = get_paths(install_scheme, vars={ + 'base': self.path, + 'platbase': self.path, + }) + + scripts = install_dirs['scripts'] + if self.save_path: + os.environ['PATH'] = scripts + os.pathsep + self.save_path + else: + os.environ['PATH'] = scripts + os.pathsep + os.defpath + + if install_dirs['purelib'] == install_dirs['platlib']: + lib_dirs = install_dirs['purelib'] + else: + lib_dirs = install_dirs['purelib'] + os.pathsep + \ + install_dirs['platlib'] + if self.save_pythonpath: + os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \ + self.save_pythonpath + else: + os.environ['PYTHONPATH'] = lib_dirs + + return self + + def pip_install(self, reqs): + """Install dependencies into this env by calling pip in a subprocess""" + if not reqs: + return + log.info('Calling pip to install %s', reqs) + check_call([ + sys.executable, '-m', 'pip', 'install', '--ignore-installed', + '--prefix', self.path] + list(reqs)) + + def __exit__(self, exc_type, exc_val, exc_tb): + needs_cleanup = ( + self._cleanup and + self.path is not None and + os.path.isdir(self.path) + ) + if needs_cleanup: + shutil.rmtree(self.path) + + if self.save_path is None: + os.environ.pop('PATH', None) + else: + os.environ['PATH'] = self.save_path + + if self.save_pythonpath is None: + os.environ.pop('PYTHONPATH', None) + else: + os.environ['PYTHONPATH'] = self.save_pythonpath + + +def build_wheel(source_dir, wheel_dir, config_settings=None): + """Build a wheel from a source directory using PEP 517 hooks. + + :param str source_dir: Source directory containing pyproject.toml + :param str wheel_dir: Target directory to create wheel in + :param dict config_settings: Options to pass to build backend + + This is a blocking function which will run pip in a subprocess to install + build requirements. + """ + if config_settings is None: + config_settings = {} + requires, backend = _load_pyproject(source_dir) + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + reqs = hooks.get_requires_for_build_wheel(config_settings) + env.pip_install(reqs) + return hooks.build_wheel(wheel_dir, config_settings) + + +def build_sdist(source_dir, sdist_dir, config_settings=None): + """Build an sdist from a source directory using PEP 517 hooks. + + :param str source_dir: Source directory containing pyproject.toml + :param str sdist_dir: Target directory to place sdist in + :param dict config_settings: Options to pass to build backend + + This is a blocking function which will run pip in a subprocess to install + build requirements. + """ + if config_settings is None: + config_settings = {} + requires, backend = _load_pyproject(source_dir) + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + reqs = hooks.get_requires_for_build_sdist(config_settings) + env.pip_install(reqs) + return hooks.build_sdist(sdist_dir, config_settings) |