mirror of https://github.com/pypa/pip
167 lines
5.3 KiB
Python
167 lines
5.3 KiB
Python
"""Generate and work with PEP 425 Compatibility Tags.
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"""
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from __future__ import absolute_import
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import re
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from pip._vendor.packaging.tags import (
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Tag,
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compatible_tags,
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cpython_tags,
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generic_tags,
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interpreter_name,
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interpreter_version,
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mac_platforms,
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)
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import List, Optional, Tuple
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from pip._vendor.packaging.tags import PythonVersion
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_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)')
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def version_info_to_nodot(version_info):
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# type: (Tuple[int, ...]) -> str
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# Only use up to the first two numbers.
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return ''.join(map(str, version_info[:2]))
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def _mac_platforms(arch):
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# type: (str) -> List[str]
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match = _osx_arch_pat.match(arch)
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if match:
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name, major, minor, actual_arch = match.groups()
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mac_version = (int(major), int(minor))
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arches = [
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# Since we have always only checked that the platform starts
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# with "macosx", for backwards-compatibility we extract the
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# actual prefix provided by the user in case they provided
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# something like "macosxcustom_". It may be good to remove
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# this as undocumented or deprecate it in the future.
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'{}_{}'.format(name, arch[len('macosx_'):])
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for arch in mac_platforms(mac_version, actual_arch)
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]
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else:
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# arch pattern didn't match (?!)
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arches = [arch]
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return arches
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def _custom_manylinux_platforms(arch):
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# type: (str) -> List[str]
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arches = [arch]
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arch_prefix, arch_sep, arch_suffix = arch.partition('_')
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if arch_prefix == 'manylinux2014':
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# manylinux1/manylinux2010 wheels run on most manylinux2014 systems
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# with the exception of wheels depending on ncurses. PEP 599 states
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# manylinux1/manylinux2010 wheels should be considered
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# manylinux2014 wheels:
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# https://www.python.org/dev/peps/pep-0599/#backwards-compatibility-with-manylinux2010-wheels
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if arch_suffix in {'i686', 'x86_64'}:
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arches.append('manylinux2010' + arch_sep + arch_suffix)
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arches.append('manylinux1' + arch_sep + arch_suffix)
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elif arch_prefix == 'manylinux2010':
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# manylinux1 wheels run on most manylinux2010 systems with the
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# exception of wheels depending on ncurses. PEP 571 states
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# manylinux1 wheels should be considered manylinux2010 wheels:
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# https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels
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arches.append('manylinux1' + arch_sep + arch_suffix)
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return arches
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def _get_custom_platforms(arch):
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# type: (str) -> List[str]
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arch_prefix, arch_sep, arch_suffix = arch.partition('_')
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if arch.startswith('macosx'):
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arches = _mac_platforms(arch)
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elif arch_prefix in ['manylinux2014', 'manylinux2010']:
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arches = _custom_manylinux_platforms(arch)
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else:
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arches = [arch]
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return arches
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def _get_python_version(version):
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# type: (str) -> PythonVersion
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if len(version) > 1:
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return int(version[0]), int(version[1:])
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else:
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return (int(version[0]),)
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def _get_custom_interpreter(implementation=None, version=None):
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# type: (Optional[str], Optional[str]) -> str
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if implementation is None:
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implementation = interpreter_name()
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if version is None:
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version = interpreter_version()
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return "{}{}".format(implementation, version)
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def get_supported(
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version=None, # type: Optional[str]
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platform=None, # type: Optional[str]
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impl=None, # type: Optional[str]
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abi=None # type: Optional[str]
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):
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# type: (...) -> List[Tag]
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"""Return a list of supported tags for each version specified in
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`versions`.
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:param version: a string version, of the form "33" or "32",
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or None. The version will be assumed to support our ABI.
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:param platform: specify the exact platform you want valid
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tags for, or None. If None, use the local system platform.
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:param impl: specify the exact implementation you want valid
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tags for, or None. If None, use the local interpreter impl.
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:param abi: specify the exact abi you want valid
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tags for, or None. If None, use the local interpreter abi.
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"""
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supported = [] # type: List[Tag]
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python_version = None # type: Optional[PythonVersion]
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if version is not None:
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python_version = _get_python_version(version)
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interpreter = _get_custom_interpreter(impl, version)
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abis = None # type: Optional[List[str]]
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if abi is not None:
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abis = [abi]
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platforms = None # type: Optional[List[str]]
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if platform is not None:
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platforms = _get_custom_platforms(platform)
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is_cpython = (impl or interpreter_name()) == "cp"
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if is_cpython:
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supported.extend(
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cpython_tags(
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python_version=python_version,
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abis=abis,
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platforms=platforms,
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)
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)
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else:
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supported.extend(
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generic_tags(
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interpreter=interpreter,
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abis=abis,
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platforms=platforms,
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)
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)
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supported.extend(
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compatible_tags(
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python_version=python_version,
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interpreter=interpreter,
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platforms=platforms,
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)
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)
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return supported
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