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Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517')
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diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__init__.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__init__.py new file mode 100644 index 00000000..9c1a098f --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__init__.py @@ -0,0 +1,4 @@ +"""Wrappers to build Python packages using PEP 517 hooks +""" + +__version__ = '0.5.0' diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/__init__.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/__init__.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..10aa9fea --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/__init__.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/_in_process.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/_in_process.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..55f8ff17 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/_in_process.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/build.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/build.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..1ec4c7b1 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/build.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/check.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/check.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..34d3785b --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/check.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/colorlog.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/colorlog.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..29f35461 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/colorlog.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/compat.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/compat.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..0ccab21c --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/compat.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/envbuild.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/envbuild.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..661eb0d4 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/envbuild.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/wrappers.cpython-37.pyc b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/wrappers.cpython-37.pyc Binary files differnew file mode 100644 index 00000000..bc4b5616 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/__pycache__/wrappers.cpython-37.pyc diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py new file mode 100644 index 00000000..d6524b66 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py @@ -0,0 +1,207 @@ +"""This is invoked in a subprocess to call the build backend hooks. + +It expects: +- Command line args: hook_name, control_dir +- Environment variable: PEP517_BUILD_BACKEND=entry.point:spec +- control_dir/input.json: + - {"kwargs": {...}} + +Results: +- control_dir/output.json + - {"return_val": ...} +""" +from glob import glob +from importlib import import_module +import os +from os.path import join as pjoin +import re +import shutil +import sys + +# This is run as a script, not a module, so it can't do a relative import +import compat + + +class BackendUnavailable(Exception): + """Raised if we cannot import the backend""" + + +def _build_backend(): + """Find and load the build backend""" + ep = os.environ['PEP517_BUILD_BACKEND'] + mod_path, _, obj_path = ep.partition(':') + try: + obj = import_module(mod_path) + except ImportError: + raise BackendUnavailable + if obj_path: + for path_part in obj_path.split('.'): + obj = getattr(obj, path_part) + return obj + + +def get_requires_for_build_wheel(config_settings): + """Invoke the optional get_requires_for_build_wheel hook + + Returns [] if the hook is not defined. + """ + backend = _build_backend() + try: + hook = backend.get_requires_for_build_wheel + except AttributeError: + return [] + else: + return hook(config_settings) + + +def prepare_metadata_for_build_wheel(metadata_directory, config_settings): + """Invoke optional prepare_metadata_for_build_wheel + + Implements a fallback by building a wheel if the hook isn't defined. + """ + backend = _build_backend() + try: + hook = backend.prepare_metadata_for_build_wheel + except AttributeError: + return _get_wheel_metadata_from_wheel(backend, metadata_directory, + config_settings) + else: + return hook(metadata_directory, config_settings) + + +WHEEL_BUILT_MARKER = 'PEP517_ALREADY_BUILT_WHEEL' + + +def _dist_info_files(whl_zip): + """Identify the .dist-info folder inside a wheel ZipFile.""" + res = [] + for path in whl_zip.namelist(): + m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path) + if m: + res.append(path) + if res: + return res + raise Exception("No .dist-info folder found in wheel") + + +def _get_wheel_metadata_from_wheel( + backend, metadata_directory, config_settings): + """Build a wheel and extract the metadata from it. + + Fallback for when the build backend does not + define the 'get_wheel_metadata' hook. + """ + from zipfile import ZipFile + whl_basename = backend.build_wheel(metadata_directory, config_settings) + with open(os.path.join(metadata_directory, WHEEL_BUILT_MARKER), 'wb'): + pass # Touch marker file + + whl_file = os.path.join(metadata_directory, whl_basename) + with ZipFile(whl_file) as zipf: + dist_info = _dist_info_files(zipf) + zipf.extractall(path=metadata_directory, members=dist_info) + return dist_info[0].split('/')[0] + + +def _find_already_built_wheel(metadata_directory): + """Check for a wheel already built during the get_wheel_metadata hook. + """ + if not metadata_directory: + return None + metadata_parent = os.path.dirname(metadata_directory) + if not os.path.isfile(pjoin(metadata_parent, WHEEL_BUILT_MARKER)): + return None + + whl_files = glob(os.path.join(metadata_parent, '*.whl')) + if not whl_files: + print('Found wheel built marker, but no .whl files') + return None + if len(whl_files) > 1: + print('Found multiple .whl files; unspecified behaviour. ' + 'Will call build_wheel.') + return None + + # Exactly one .whl file + return whl_files[0] + + +def build_wheel(wheel_directory, config_settings, metadata_directory=None): + """Invoke the mandatory build_wheel hook. + + If a wheel was already built in the + prepare_metadata_for_build_wheel fallback, this + will copy it rather than rebuilding the wheel. + """ + prebuilt_whl = _find_already_built_wheel(metadata_directory) + if prebuilt_whl: + shutil.copy2(prebuilt_whl, wheel_directory) + return os.path.basename(prebuilt_whl) + + return _build_backend().build_wheel(wheel_directory, config_settings, + metadata_directory) + + +def get_requires_for_build_sdist(config_settings): + """Invoke the optional get_requires_for_build_wheel hook + + Returns [] if the hook is not defined. + """ + backend = _build_backend() + try: + hook = backend.get_requires_for_build_sdist + except AttributeError: + return [] + else: + return hook(config_settings) + + +class _DummyException(Exception): + """Nothing should ever raise this exception""" + + +class GotUnsupportedOperation(Exception): + """For internal use when backend raises UnsupportedOperation""" + + +def build_sdist(sdist_directory, config_settings): + """Invoke the mandatory build_sdist hook.""" + backend = _build_backend() + try: + return backend.build_sdist(sdist_directory, config_settings) + except getattr(backend, 'UnsupportedOperation', _DummyException): + raise GotUnsupportedOperation + + +HOOK_NAMES = { + 'get_requires_for_build_wheel', + 'prepare_metadata_for_build_wheel', + 'build_wheel', + 'get_requires_for_build_sdist', + 'build_sdist', +} + + +def main(): + if len(sys.argv) < 3: + sys.exit("Needs args: hook_name, control_dir") + hook_name = sys.argv[1] + control_dir = sys.argv[2] + if hook_name not in HOOK_NAMES: + sys.exit("Unknown hook: %s" % hook_name) + hook = globals()[hook_name] + + hook_input = compat.read_json(pjoin(control_dir, 'input.json')) + + json_out = {'unsupported': False, 'return_val': None} + try: + json_out['return_val'] = hook(**hook_input['kwargs']) + except BackendUnavailable: + json_out['no_backend'] = True + except GotUnsupportedOperation: + json_out['unsupported'] = True + + compat.write_json(json_out, pjoin(control_dir, 'output.json'), indent=2) + + +if __name__ == '__main__': + main() diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/build.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/build.py new file mode 100644 index 00000000..ac6c9495 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/build.py @@ -0,0 +1,108 @@ +"""Build a project using PEP 517 hooks. +""" +import argparse +import logging +import os +import contextlib +from pip._vendor import pytoml +import shutil +import errno +import tempfile + +from .envbuild import BuildEnvironment +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +@contextlib.contextmanager +def tempdir(): + td = tempfile.mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + + +def _do_build(hooks, env, dist, dest): + get_requires_name = 'get_requires_for_build_{dist}'.format(**locals()) + get_requires = getattr(hooks, get_requires_name) + reqs = get_requires({}) + log.info('Got build requires: %s', reqs) + + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + + with tempdir() as td: + log.info('Trying to build %s in %s', dist, td) + build_name = 'build_{dist}'.format(**locals()) + build = getattr(hooks, build_name) + filename = build(td, {}) + source = os.path.join(td, filename) + shutil.move(source, os.path.join(dest, os.path.basename(filename))) + + +def mkdir_p(*args, **kwargs): + """Like `mkdir`, but does not raise an exception if the + directory already exists. + """ + try: + return os.mkdir(*args, **kwargs) + except OSError as exc: + if exc.errno != errno.EEXIST: + raise + + +def build(source_dir, dist, dest=None): + pyproject = os.path.join(source_dir, 'pyproject.toml') + dest = os.path.join(source_dir, dest or 'dist') + mkdir_p(dest) + + with open(pyproject) as f: + pyproject_data = pytoml.load(f) + # Ensure the mandatory data can be loaded + buildsys = pyproject_data['build-system'] + requires = buildsys['requires'] + backend = buildsys['build-backend'] + + hooks = Pep517HookCaller(source_dir, backend) + + with BuildEnvironment() as env: + env.pip_install(requires) + _do_build(hooks, env, dist, dest) + + +parser = argparse.ArgumentParser() +parser.add_argument( + 'source_dir', + help="A directory containing pyproject.toml", +) +parser.add_argument( + '--binary', '-b', + action='store_true', + default=False, +) +parser.add_argument( + '--source', '-s', + action='store_true', + default=False, +) +parser.add_argument( + '--out-dir', '-o', + help="Destination in which to save the builds relative to source dir", +) + + +def main(args): + # determine which dists to build + dists = list(filter(None, ( + 'sdist' if args.source or not args.binary else None, + 'wheel' if args.binary or not args.source else None, + ))) + + for dist in dists: + build(args.source_dir, dist, args.out_dir) + + +if __name__ == '__main__': + main(parser.parse_args()) diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/check.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/check.py new file mode 100644 index 00000000..f4cdc6be --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/check.py @@ -0,0 +1,202 @@ +"""Check a project and backend by attempting to build using PEP 517 hooks. +""" +import argparse +import logging +import os +from os.path import isfile, join as pjoin +from pip._vendor.pytoml import TomlError, load as toml_load +import shutil +from subprocess import CalledProcessError +import sys +import tarfile +from tempfile import mkdtemp +import zipfile + +from .colorlog import enable_colourful_output +from .envbuild import BuildEnvironment +from .wrappers import Pep517HookCaller + +log = logging.getLogger(__name__) + + +def check_build_sdist(hooks, build_sys_requires): + with BuildEnvironment() as env: + try: + env.pip_install(build_sys_requires) + log.info('Installed static build dependencies') + except CalledProcessError: + log.error('Failed to install static build dependencies') + return False + + try: + reqs = hooks.get_requires_for_build_sdist({}) + log.info('Got build requires: %s', reqs) + except Exception: + log.error('Failure in get_requires_for_build_sdist', exc_info=True) + return False + + try: + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + except CalledProcessError: + log.error('Failed to install dynamic build dependencies') + return False + + td = mkdtemp() + log.info('Trying to build sdist in %s', td) + try: + try: + filename = hooks.build_sdist(td, {}) + log.info('build_sdist returned %r', filename) + except Exception: + log.info('Failure in build_sdist', exc_info=True) + return False + + if not filename.endswith('.tar.gz'): + log.error( + "Filename %s doesn't have .tar.gz extension", filename) + return False + + path = pjoin(td, filename) + if isfile(path): + log.info("Output file %s exists", path) + else: + log.error("Output file %s does not exist", path) + return False + + if tarfile.is_tarfile(path): + log.info("Output file is a tar file") + else: + log.error("Output file is not a tar file") + return False + + finally: + shutil.rmtree(td) + + return True + + +def check_build_wheel(hooks, build_sys_requires): + with BuildEnvironment() as env: + try: + env.pip_install(build_sys_requires) + log.info('Installed static build dependencies') + except CalledProcessError: + log.error('Failed to install static build dependencies') + return False + + try: + reqs = hooks.get_requires_for_build_wheel({}) + log.info('Got build requires: %s', reqs) + except Exception: + log.error('Failure in get_requires_for_build_sdist', exc_info=True) + return False + + try: + env.pip_install(reqs) + log.info('Installed dynamic build dependencies') + except CalledProcessError: + log.error('Failed to install dynamic build dependencies') + return False + + td = mkdtemp() + log.info('Trying to build wheel in %s', td) + try: + try: + filename = hooks.build_wheel(td, {}) + log.info('build_wheel returned %r', filename) + except Exception: + log.info('Failure in build_wheel', exc_info=True) + return False + + if not filename.endswith('.whl'): + log.error("Filename %s doesn't have .whl extension", filename) + return False + + path = pjoin(td, filename) + if isfile(path): + log.info("Output file %s exists", path) + else: + log.error("Output file %s does not exist", path) + return False + + if zipfile.is_zipfile(path): + log.info("Output file is a zip file") + else: + log.error("Output file is not a zip file") + return False + + finally: + shutil.rmtree(td) + + return True + + +def check(source_dir): + pyproject = pjoin(source_dir, 'pyproject.toml') + if isfile(pyproject): + log.info('Found pyproject.toml') + else: + log.error('Missing pyproject.toml') + return False + + try: + with open(pyproject) as f: + pyproject_data = toml_load(f) + # Ensure the mandatory data can be loaded + buildsys = pyproject_data['build-system'] + requires = buildsys['requires'] + backend = buildsys['build-backend'] + log.info('Loaded pyproject.toml') + except (TomlError, KeyError): + log.error("Invalid pyproject.toml", exc_info=True) + return False + + hooks = Pep517HookCaller(source_dir, backend) + + sdist_ok = check_build_sdist(hooks, requires) + wheel_ok = check_build_wheel(hooks, requires) + + if not sdist_ok: + log.warning('Sdist checks failed; scroll up to see') + if not wheel_ok: + log.warning('Wheel checks failed') + + return sdist_ok + + +def main(argv=None): + ap = argparse.ArgumentParser() + ap.add_argument( + 'source_dir', + help="A directory containing pyproject.toml") + args = ap.parse_args(argv) + + enable_colourful_output() + + ok = check(args.source_dir) + + if ok: + print(ansi('Checks passed', 'green')) + else: + print(ansi('Checks failed', 'red')) + sys.exit(1) + + +ansi_codes = { + 'reset': '\x1b[0m', + 'bold': '\x1b[1m', + 'red': '\x1b[31m', + 'green': '\x1b[32m', +} + + +def ansi(s, attr): + if os.name != 'nt' and sys.stdout.isatty(): + return ansi_codes[attr] + str(s) + ansi_codes['reset'] + else: + return str(s) + + +if __name__ == '__main__': + main() diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/colorlog.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/colorlog.py new file mode 100644 index 00000000..69c8a59d --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/colorlog.py @@ -0,0 +1,115 @@ +"""Nicer log formatting with colours. + +Code copied from Tornado, Apache licensed. +""" +# Copyright 2012 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import logging +import sys + +try: + import curses +except ImportError: + curses = None + + +def _stderr_supports_color(): + color = False + if curses and hasattr(sys.stderr, 'isatty') and sys.stderr.isatty(): + try: + curses.setupterm() + if curses.tigetnum("colors") > 0: + color = True + except Exception: + pass + return color + + +class LogFormatter(logging.Formatter): + """Log formatter with colour support + """ + DEFAULT_COLORS = { + logging.INFO: 2, # Green + logging.WARNING: 3, # Yellow + logging.ERROR: 1, # Red + logging.CRITICAL: 1, + } + + def __init__(self, color=True, datefmt=None): + r""" + :arg bool color: Enables color support. + :arg string fmt: Log message format. + It will be applied to the attributes dict of log records. The + text between ``%(color)s`` and ``%(end_color)s`` will be colored + depending on the level if color support is on. + :arg dict colors: color mappings from logging level to terminal color + code + :arg string datefmt: Datetime format. + Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``. + .. versionchanged:: 3.2 + Added ``fmt`` and ``datefmt`` arguments. + """ + logging.Formatter.__init__(self, datefmt=datefmt) + self._colors = {} + if color and _stderr_supports_color(): + # The curses module has some str/bytes confusion in + # python3. Until version 3.2.3, most methods return + # bytes, but only accept strings. In addition, we want to + # output these strings with the logging module, which + # works with unicode strings. The explicit calls to + # unicode() below are harmless in python2 but will do the + # right conversion in python 3. + fg_color = (curses.tigetstr("setaf") or + curses.tigetstr("setf") or "") + if (3, 0) < sys.version_info < (3, 2, 3): + fg_color = str(fg_color, "ascii") + + for levelno, code in self.DEFAULT_COLORS.items(): + self._colors[levelno] = str( + curses.tparm(fg_color, code), "ascii") + self._normal = str(curses.tigetstr("sgr0"), "ascii") + + scr = curses.initscr() + self.termwidth = scr.getmaxyx()[1] + curses.endwin() + else: + self._normal = '' + # Default width is usually 80, but too wide is + # worse than too narrow + self.termwidth = 70 + + def formatMessage(self, record): + mlen = len(record.message) + right_text = '{initial}-{name}'.format(initial=record.levelname[0], + name=record.name) + if mlen + len(right_text) < self.termwidth: + space = ' ' * (self.termwidth - (mlen + len(right_text))) + else: + space = ' ' + + if record.levelno in self._colors: + start_color = self._colors[record.levelno] + end_color = self._normal + else: + start_color = end_color = '' + + return record.message + space + start_color + right_text + end_color + + +def enable_colourful_output(level=logging.INFO): + handler = logging.StreamHandler() + handler.setFormatter(LogFormatter()) + logging.root.addHandler(handler) + logging.root.setLevel(level) diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/compat.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/compat.py new file mode 100644 index 00000000..01c66fc7 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/compat.py @@ -0,0 +1,23 @@ +"""Handle reading and writing JSON in UTF-8, on Python 3 and 2.""" +import json +import sys + +if sys.version_info[0] >= 3: + # Python 3 + def write_json(obj, path, **kwargs): + with open(path, 'w', encoding='utf-8') as f: + json.dump(obj, f, **kwargs) + + def read_json(path): + with open(path, 'r', encoding='utf-8') as f: + return json.load(f) + +else: + # Python 2 + def write_json(obj, path, **kwargs): + with open(path, 'wb') as f: + json.dump(obj, f, encoding='utf-8', **kwargs) + + def read_json(path): + with open(path, 'rb') as f: + return json.load(f) 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) diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/wrappers.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/wrappers.py new file mode 100644 index 00000000..b14b8991 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_vendor/pep517/wrappers.py @@ -0,0 +1,163 @@ +from contextlib import contextmanager +import os +from os.path import dirname, abspath, join as pjoin +import shutil +from subprocess import check_call +import sys +from tempfile import mkdtemp + +from . import compat + +_in_proc_script = pjoin(dirname(abspath(__file__)), '_in_process.py') + + +@contextmanager +def tempdir(): + td = mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + + +class BackendUnavailable(Exception): + """Will be raised if the backend cannot be imported in the hook process.""" + + +class UnsupportedOperation(Exception): + """May be raised by build_sdist if the backend indicates that it can't.""" + + +def default_subprocess_runner(cmd, cwd=None, extra_environ=None): + """The default method of calling the wrapper subprocess.""" + env = os.environ.copy() + if extra_environ: + env.update(extra_environ) + + check_call(cmd, cwd=cwd, env=env) + + +class Pep517HookCaller(object): + """A wrapper around a source directory to be built with a PEP 517 backend. + + source_dir : The path to the source directory, containing pyproject.toml. + backend : The build backend spec, as per PEP 517, from pyproject.toml. + """ + def __init__(self, source_dir, build_backend): + self.source_dir = abspath(source_dir) + self.build_backend = build_backend + self._subprocess_runner = default_subprocess_runner + + # TODO: Is this over-engineered? Maybe frontends only need to + # set this when creating the wrapper, not on every call. + @contextmanager + def subprocess_runner(self, runner): + prev = self._subprocess_runner + self._subprocess_runner = runner + yield + self._subprocess_runner = prev + + def get_requires_for_build_wheel(self, config_settings=None): + """Identify packages required for building a wheel + + Returns a list of dependency specifications, e.g.: + ["wheel >= 0.25", "setuptools"] + + This does not include requirements specified in pyproject.toml. + It returns the result of calling the equivalently named hook in a + subprocess. + """ + return self._call_hook('get_requires_for_build_wheel', { + 'config_settings': config_settings + }) + + def prepare_metadata_for_build_wheel( + self, metadata_directory, config_settings=None): + """Prepare a *.dist-info folder with metadata for this project. + + Returns the name of the newly created folder. + + If the build backend defines a hook with this name, it will be called + in a subprocess. If not, the backend will be asked to build a wheel, + and the dist-info extracted from that. + """ + return self._call_hook('prepare_metadata_for_build_wheel', { + 'metadata_directory': abspath(metadata_directory), + 'config_settings': config_settings, + }) + + def build_wheel( + self, wheel_directory, config_settings=None, + metadata_directory=None): + """Build a wheel from this project. + + Returns the name of the newly created file. + + In general, this will call the 'build_wheel' hook in the backend. + However, if that was previously called by + 'prepare_metadata_for_build_wheel', and the same metadata_directory is + used, the previously built wheel will be copied to wheel_directory. + """ + if metadata_directory is not None: + metadata_directory = abspath(metadata_directory) + return self._call_hook('build_wheel', { + 'wheel_directory': abspath(wheel_directory), + 'config_settings': config_settings, + 'metadata_directory': metadata_directory, + }) + + def get_requires_for_build_sdist(self, config_settings=None): + """Identify packages required for building a wheel + + Returns a list of dependency specifications, e.g.: + ["setuptools >= 26"] + + This does not include requirements specified in pyproject.toml. + It returns the result of calling the equivalently named hook in a + subprocess. + """ + return self._call_hook('get_requires_for_build_sdist', { + 'config_settings': config_settings + }) + + def build_sdist(self, sdist_directory, config_settings=None): + """Build an sdist from this project. + + Returns the name of the newly created file. + + This calls the 'build_sdist' backend hook in a subprocess. + """ + return self._call_hook('build_sdist', { + 'sdist_directory': abspath(sdist_directory), + 'config_settings': config_settings, + }) + + def _call_hook(self, hook_name, kwargs): + # On Python 2, pytoml returns Unicode values (which is correct) but the + # environment passed to check_call needs to contain string values. We + # convert here by encoding using ASCII (the backend can only contain + # letters, digits and _, . and : characters, and will be used as a + # Python identifier, so non-ASCII content is wrong on Python 2 in + # any case). + if sys.version_info[0] == 2: + build_backend = self.build_backend.encode('ASCII') + else: + build_backend = self.build_backend + + with tempdir() as td: + compat.write_json({'kwargs': kwargs}, pjoin(td, 'input.json'), + indent=2) + + # Run the hook in a subprocess + self._subprocess_runner( + [sys.executable, _in_proc_script, hook_name, td], + cwd=self.source_dir, + extra_environ={'PEP517_BUILD_BACKEND': build_backend} + ) + + data = compat.read_json(pjoin(td, 'output.json')) + if data.get('unsupported'): + raise UnsupportedOperation + if data.get('no_backend'): + raise BackendUnavailable + return data['return_val'] |