Created starter files for the project.
This commit is contained in:
commit
73f0c0db42
1992 changed files with 769897 additions and 0 deletions
241
venv/Lib/site-packages/pip/_internal/build_env.py
Normal file
241
venv/Lib/site-packages/pip/_internal/build_env.py
Normal file
|
|
@ -0,0 +1,241 @@
|
|||
"""Build Environment used for isolation during sdist building
|
||||
"""
|
||||
|
||||
import logging
|
||||
import os
|
||||
import sys
|
||||
import textwrap
|
||||
from collections import OrderedDict
|
||||
from distutils.sysconfig import get_python_lib
|
||||
from sysconfig import get_paths
|
||||
|
||||
from pip._vendor.pkg_resources import Requirement, VersionConflict, WorkingSet
|
||||
|
||||
from pip import __file__ as pip_location
|
||||
from pip._internal.cli.spinners import open_spinner
|
||||
from pip._internal.utils.subprocess import call_subprocess
|
||||
from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
|
||||
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
|
||||
|
||||
if MYPY_CHECK_RUNNING:
|
||||
from types import TracebackType
|
||||
from typing import Tuple, Set, Iterable, Optional, List, Type
|
||||
from pip._internal.index.package_finder import PackageFinder
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class _Prefix:
|
||||
|
||||
def __init__(self, path):
|
||||
# type: (str) -> None
|
||||
self.path = path
|
||||
self.setup = False
|
||||
self.bin_dir = get_paths(
|
||||
'nt' if os.name == 'nt' else 'posix_prefix',
|
||||
vars={'base': path, 'platbase': path}
|
||||
)['scripts']
|
||||
# Note: prefer distutils' sysconfig to get the
|
||||
# library paths so PyPy is correctly supported.
|
||||
purelib = get_python_lib(plat_specific=False, prefix=path)
|
||||
platlib = get_python_lib(plat_specific=True, prefix=path)
|
||||
if purelib == platlib:
|
||||
self.lib_dirs = [purelib]
|
||||
else:
|
||||
self.lib_dirs = [purelib, platlib]
|
||||
|
||||
|
||||
class BuildEnvironment(object):
|
||||
"""Creates and manages an isolated environment to install build deps
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
# type: () -> None
|
||||
temp_dir = TempDirectory(
|
||||
kind=tempdir_kinds.BUILD_ENV, globally_managed=True
|
||||
)
|
||||
|
||||
self._prefixes = OrderedDict((
|
||||
(name, _Prefix(os.path.join(temp_dir.path, name)))
|
||||
for name in ('normal', 'overlay')
|
||||
))
|
||||
|
||||
self._bin_dirs = [] # type: List[str]
|
||||
self._lib_dirs = [] # type: List[str]
|
||||
for prefix in reversed(list(self._prefixes.values())):
|
||||
self._bin_dirs.append(prefix.bin_dir)
|
||||
self._lib_dirs.extend(prefix.lib_dirs)
|
||||
|
||||
# Customize site to:
|
||||
# - ensure .pth files are honored
|
||||
# - prevent access to system site packages
|
||||
system_sites = {
|
||||
os.path.normcase(site) for site in (
|
||||
get_python_lib(plat_specific=False),
|
||||
get_python_lib(plat_specific=True),
|
||||
)
|
||||
}
|
||||
self._site_dir = os.path.join(temp_dir.path, 'site')
|
||||
if not os.path.exists(self._site_dir):
|
||||
os.mkdir(self._site_dir)
|
||||
with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp:
|
||||
fp.write(textwrap.dedent(
|
||||
'''
|
||||
import os, site, sys
|
||||
|
||||
# First, drop system-sites related paths.
|
||||
original_sys_path = sys.path[:]
|
||||
known_paths = set()
|
||||
for path in {system_sites!r}:
|
||||
site.addsitedir(path, known_paths=known_paths)
|
||||
system_paths = set(
|
||||
os.path.normcase(path)
|
||||
for path in sys.path[len(original_sys_path):]
|
||||
)
|
||||
original_sys_path = [
|
||||
path for path in original_sys_path
|
||||
if os.path.normcase(path) not in system_paths
|
||||
]
|
||||
sys.path = original_sys_path
|
||||
|
||||
# Second, add lib directories.
|
||||
# ensuring .pth file are processed.
|
||||
for path in {lib_dirs!r}:
|
||||
assert not path in sys.path
|
||||
site.addsitedir(path)
|
||||
'''
|
||||
).format(system_sites=system_sites, lib_dirs=self._lib_dirs))
|
||||
|
||||
def __enter__(self):
|
||||
# type: () -> None
|
||||
self._save_env = {
|
||||
name: os.environ.get(name, None)
|
||||
for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH')
|
||||
}
|
||||
|
||||
path = self._bin_dirs[:]
|
||||
old_path = self._save_env['PATH']
|
||||
if old_path:
|
||||
path.extend(old_path.split(os.pathsep))
|
||||
|
||||
pythonpath = [self._site_dir]
|
||||
|
||||
os.environ.update({
|
||||
'PATH': os.pathsep.join(path),
|
||||
'PYTHONNOUSERSITE': '1',
|
||||
'PYTHONPATH': os.pathsep.join(pythonpath),
|
||||
})
|
||||
|
||||
def __exit__(
|
||||
self,
|
||||
exc_type, # type: Optional[Type[BaseException]]
|
||||
exc_val, # type: Optional[BaseException]
|
||||
exc_tb # type: Optional[TracebackType]
|
||||
):
|
||||
# type: (...) -> None
|
||||
for varname, old_value in self._save_env.items():
|
||||
if old_value is None:
|
||||
os.environ.pop(varname, None)
|
||||
else:
|
||||
os.environ[varname] = old_value
|
||||
|
||||
def check_requirements(self, reqs):
|
||||
# type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
|
||||
"""Return 2 sets:
|
||||
- conflicting requirements: set of (installed, wanted) reqs tuples
|
||||
- missing requirements: set of reqs
|
||||
"""
|
||||
missing = set()
|
||||
conflicting = set()
|
||||
if reqs:
|
||||
ws = WorkingSet(self._lib_dirs)
|
||||
for req in reqs:
|
||||
try:
|
||||
if ws.find(Requirement.parse(req)) is None:
|
||||
missing.add(req)
|
||||
except VersionConflict as e:
|
||||
conflicting.add((str(e.args[0].as_requirement()),
|
||||
str(e.args[1])))
|
||||
return conflicting, missing
|
||||
|
||||
def install_requirements(
|
||||
self,
|
||||
finder, # type: PackageFinder
|
||||
requirements, # type: Iterable[str]
|
||||
prefix_as_string, # type: str
|
||||
message # type: str
|
||||
):
|
||||
# type: (...) -> None
|
||||
prefix = self._prefixes[prefix_as_string]
|
||||
assert not prefix.setup
|
||||
prefix.setup = True
|
||||
if not requirements:
|
||||
return
|
||||
args = [
|
||||
sys.executable, os.path.dirname(pip_location), 'install',
|
||||
'--ignore-installed', '--no-user', '--prefix', prefix.path,
|
||||
'--no-warn-script-location',
|
||||
] # type: List[str]
|
||||
if logger.getEffectiveLevel() <= logging.DEBUG:
|
||||
args.append('-v')
|
||||
for format_control in ('no_binary', 'only_binary'):
|
||||
formats = getattr(finder.format_control, format_control)
|
||||
args.extend(('--' + format_control.replace('_', '-'),
|
||||
','.join(sorted(formats or {':none:'}))))
|
||||
|
||||
index_urls = finder.index_urls
|
||||
if index_urls:
|
||||
args.extend(['-i', index_urls[0]])
|
||||
for extra_index in index_urls[1:]:
|
||||
args.extend(['--extra-index-url', extra_index])
|
||||
else:
|
||||
args.append('--no-index')
|
||||
for link in finder.find_links:
|
||||
args.extend(['--find-links', link])
|
||||
|
||||
for host in finder.trusted_hosts:
|
||||
args.extend(['--trusted-host', host])
|
||||
if finder.allow_all_prereleases:
|
||||
args.append('--pre')
|
||||
if finder.prefer_binary:
|
||||
args.append('--prefer-binary')
|
||||
args.append('--')
|
||||
args.extend(requirements)
|
||||
with open_spinner(message) as spinner:
|
||||
call_subprocess(args, spinner=spinner)
|
||||
|
||||
|
||||
class NoOpBuildEnvironment(BuildEnvironment):
|
||||
"""A no-op drop-in replacement for BuildEnvironment
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
# type: () -> None
|
||||
pass
|
||||
|
||||
def __enter__(self):
|
||||
# type: () -> None
|
||||
pass
|
||||
|
||||
def __exit__(
|
||||
self,
|
||||
exc_type, # type: Optional[Type[BaseException]]
|
||||
exc_val, # type: Optional[BaseException]
|
||||
exc_tb # type: Optional[TracebackType]
|
||||
):
|
||||
# type: (...) -> None
|
||||
pass
|
||||
|
||||
def cleanup(self):
|
||||
# type: () -> None
|
||||
pass
|
||||
|
||||
def install_requirements(
|
||||
self,
|
||||
finder, # type: PackageFinder
|
||||
requirements, # type: Iterable[str]
|
||||
prefix_as_string, # type: str
|
||||
message # type: str
|
||||
):
|
||||
# type: (...) -> None
|
||||
raise NotImplementedError()
|
||||
Loading…
Add table
Add a link
Reference in a new issue