You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
262 lines
9.3 KiB
Python
262 lines
9.3 KiB
Python
"""Wheels support."""
|
|
|
|
import contextlib
|
|
import email
|
|
import functools
|
|
import itertools
|
|
import os
|
|
import posixpath
|
|
import re
|
|
import zipfile
|
|
|
|
from packaging.requirements import Requirement
|
|
from packaging.tags import sys_tags
|
|
from packaging.utils import canonicalize_name
|
|
from packaging.version import Version as parse_version
|
|
|
|
import setuptools
|
|
from setuptools.archive_util import _unpack_zipfile_obj
|
|
from setuptools.command.egg_info import _egg_basename, write_requirements
|
|
|
|
from ._discovery import extras_from_deps
|
|
from ._importlib import metadata
|
|
from .unicode_utils import _read_utf8_with_fallback
|
|
|
|
from distutils.util import get_platform
|
|
|
|
WHEEL_NAME = re.compile(
|
|
r"""^(?P<project_name>.+?)-(?P<version>\d.*?)
|
|
((-(?P<build>\d.*?))?-(?P<py_version>.+?)-(?P<abi>.+?)-(?P<platform>.+?)
|
|
)\.whl$""",
|
|
re.VERBOSE,
|
|
).match
|
|
|
|
NAMESPACE_PACKAGE_INIT = "__import__('pkg_resources').declare_namespace(__name__)\n"
|
|
|
|
|
|
@functools.cache
|
|
def _get_supported_tags():
|
|
# We calculate the supported tags only once, otherwise calling
|
|
# this method on thousands of wheels takes seconds instead of
|
|
# milliseconds.
|
|
return {(t.interpreter, t.abi, t.platform) for t in sys_tags()}
|
|
|
|
|
|
def unpack(src_dir, dst_dir) -> None:
|
|
"""Move everything under `src_dir` to `dst_dir`, and delete the former."""
|
|
for dirpath, dirnames, filenames in os.walk(src_dir):
|
|
subdir = os.path.relpath(dirpath, src_dir)
|
|
for f in filenames:
|
|
src = os.path.join(dirpath, f)
|
|
dst = os.path.join(dst_dir, subdir, f)
|
|
os.renames(src, dst)
|
|
for n, d in reversed(list(enumerate(dirnames))):
|
|
src = os.path.join(dirpath, d)
|
|
dst = os.path.join(dst_dir, subdir, d)
|
|
if not os.path.exists(dst):
|
|
# Directory does not exist in destination,
|
|
# rename it and prune it from os.walk list.
|
|
os.renames(src, dst)
|
|
del dirnames[n]
|
|
# Cleanup.
|
|
for dirpath, dirnames, filenames in os.walk(src_dir, topdown=True):
|
|
assert not filenames
|
|
os.rmdir(dirpath)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def disable_info_traces():
|
|
"""
|
|
Temporarily disable info traces.
|
|
"""
|
|
from distutils import log
|
|
|
|
saved = log.set_threshold(log.WARN)
|
|
try:
|
|
yield
|
|
finally:
|
|
log.set_threshold(saved)
|
|
|
|
|
|
class Wheel:
|
|
def __init__(self, filename) -> None:
|
|
match = WHEEL_NAME(os.path.basename(filename))
|
|
if match is None:
|
|
raise ValueError(f'invalid wheel name: {filename!r}')
|
|
self.filename = filename
|
|
for k, v in match.groupdict().items():
|
|
setattr(self, k, v)
|
|
|
|
def tags(self):
|
|
"""List tags (py_version, abi, platform) supported by this wheel."""
|
|
return itertools.product(
|
|
self.py_version.split('.'),
|
|
self.abi.split('.'),
|
|
self.platform.split('.'),
|
|
)
|
|
|
|
def is_compatible(self):
|
|
"""Is the wheel compatible with the current platform?"""
|
|
return next((True for t in self.tags() if t in _get_supported_tags()), False)
|
|
|
|
def egg_name(self):
|
|
return (
|
|
_egg_basename(
|
|
self.project_name,
|
|
self.version,
|
|
platform=(None if self.platform == 'any' else get_platform()),
|
|
)
|
|
+ ".egg"
|
|
)
|
|
|
|
def get_dist_info(self, zf):
|
|
# find the correct name of the .dist-info dir in the wheel file
|
|
for member in zf.namelist():
|
|
dirname = posixpath.dirname(member)
|
|
if dirname.endswith('.dist-info') and canonicalize_name(dirname).startswith(
|
|
canonicalize_name(self.project_name)
|
|
):
|
|
return dirname
|
|
raise ValueError("unsupported wheel format. .dist-info not found")
|
|
|
|
def install_as_egg(self, destination_eggdir) -> None:
|
|
"""Install wheel as an egg directory."""
|
|
with zipfile.ZipFile(self.filename) as zf:
|
|
self._install_as_egg(destination_eggdir, zf)
|
|
|
|
def _install_as_egg(self, destination_eggdir, zf):
|
|
dist_basename = f'{self.project_name}-{self.version}'
|
|
dist_info = self.get_dist_info(zf)
|
|
dist_data = f'{dist_basename}.data'
|
|
egg_info = os.path.join(destination_eggdir, 'EGG-INFO')
|
|
|
|
self._convert_metadata(zf, destination_eggdir, dist_info, egg_info)
|
|
self._move_data_entries(destination_eggdir, dist_data)
|
|
self._fix_namespace_packages(egg_info, destination_eggdir)
|
|
|
|
@staticmethod
|
|
def _convert_metadata(zf, destination_eggdir, dist_info, egg_info):
|
|
def get_metadata(name):
|
|
with zf.open(posixpath.join(dist_info, name)) as fp:
|
|
value = fp.read().decode('utf-8')
|
|
return email.parser.Parser().parsestr(value)
|
|
|
|
wheel_metadata = get_metadata('WHEEL')
|
|
# Check wheel format version is supported.
|
|
wheel_version = parse_version(wheel_metadata.get('Wheel-Version'))
|
|
wheel_v1 = parse_version('1.0') <= wheel_version < parse_version('2.0dev0')
|
|
if not wheel_v1:
|
|
raise ValueError(f'unsupported wheel format version: {wheel_version}')
|
|
# Extract to target directory.
|
|
_unpack_zipfile_obj(zf, destination_eggdir)
|
|
dist_info = os.path.join(destination_eggdir, dist_info)
|
|
install_requires, extras_require = Wheel._convert_requires(
|
|
destination_eggdir, dist_info
|
|
)
|
|
os.rename(dist_info, egg_info)
|
|
os.rename(
|
|
os.path.join(egg_info, 'METADATA'),
|
|
os.path.join(egg_info, 'PKG-INFO'),
|
|
)
|
|
setup_dist = setuptools.Distribution(
|
|
attrs=dict(
|
|
install_requires=install_requires,
|
|
extras_require=extras_require,
|
|
),
|
|
)
|
|
with disable_info_traces():
|
|
write_requirements(
|
|
setup_dist.get_command_obj('egg_info'),
|
|
None,
|
|
os.path.join(egg_info, 'requires.txt'),
|
|
)
|
|
|
|
@staticmethod
|
|
def _convert_requires(destination_eggdir, dist_info):
|
|
md = metadata.Distribution.at(dist_info).metadata
|
|
deps = md.get_all('Requires-Dist') or []
|
|
reqs = list(map(Requirement, deps))
|
|
|
|
extras = extras_from_deps(deps)
|
|
|
|
# Note: Evaluate and strip markers now,
|
|
# as it's difficult to convert back from the syntax:
|
|
# foobar; "linux" in sys_platform and extra == 'test'
|
|
def raw_req(req):
|
|
req = Requirement(str(req))
|
|
req.marker = None
|
|
return str(req)
|
|
|
|
def eval(req, **env):
|
|
return not req.marker or req.marker.evaluate(env)
|
|
|
|
def for_extra(req):
|
|
try:
|
|
markers = req.marker._markers
|
|
except AttributeError:
|
|
markers = ()
|
|
return set(
|
|
marker[2].value
|
|
for marker in markers
|
|
if isinstance(marker, tuple) and marker[0].value == 'extra'
|
|
)
|
|
|
|
install_requires = list(
|
|
map(raw_req, filter(eval, itertools.filterfalse(for_extra, reqs)))
|
|
)
|
|
extras_require = {
|
|
extra: list(
|
|
map(
|
|
raw_req,
|
|
(req for req in reqs if for_extra(req) and eval(req, extra=extra)),
|
|
)
|
|
)
|
|
for extra in extras
|
|
}
|
|
return install_requires, extras_require
|
|
|
|
@staticmethod
|
|
def _move_data_entries(destination_eggdir, dist_data):
|
|
"""Move data entries to their correct location."""
|
|
dist_data = os.path.join(destination_eggdir, dist_data)
|
|
dist_data_scripts = os.path.join(dist_data, 'scripts')
|
|
if os.path.exists(dist_data_scripts):
|
|
egg_info_scripts = os.path.join(destination_eggdir, 'EGG-INFO', 'scripts')
|
|
os.mkdir(egg_info_scripts)
|
|
for entry in os.listdir(dist_data_scripts):
|
|
# Remove bytecode, as it's not properly handled
|
|
# during easy_install scripts install phase.
|
|
if entry.endswith('.pyc'):
|
|
os.unlink(os.path.join(dist_data_scripts, entry))
|
|
else:
|
|
os.rename(
|
|
os.path.join(dist_data_scripts, entry),
|
|
os.path.join(egg_info_scripts, entry),
|
|
)
|
|
os.rmdir(dist_data_scripts)
|
|
for subdir in filter(
|
|
os.path.exists,
|
|
(
|
|
os.path.join(dist_data, d)
|
|
for d in ('data', 'headers', 'purelib', 'platlib')
|
|
),
|
|
):
|
|
unpack(subdir, destination_eggdir)
|
|
if os.path.exists(dist_data):
|
|
os.rmdir(dist_data)
|
|
|
|
@staticmethod
|
|
def _fix_namespace_packages(egg_info, destination_eggdir):
|
|
namespace_packages = os.path.join(egg_info, 'namespace_packages.txt')
|
|
if os.path.exists(namespace_packages):
|
|
namespace_packages = _read_utf8_with_fallback(namespace_packages).split()
|
|
|
|
for mod in namespace_packages:
|
|
mod_dir = os.path.join(destination_eggdir, *mod.split('.'))
|
|
mod_init = os.path.join(mod_dir, '__init__.py')
|
|
if not os.path.exists(mod_dir):
|
|
os.mkdir(mod_dir)
|
|
if not os.path.exists(mod_init):
|
|
with open(mod_init, 'w', encoding="utf-8") as fp:
|
|
fp.write(NAMESPACE_PACKAGE_INIT)
|