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Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/pep425tags.py')
| -rw-r--r-- | .emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/pep425tags.py | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/pep425tags.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/pep425tags.py new file mode 100644 index 00000000..07dc148e --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/pep425tags.py @@ -0,0 +1,387 @@ +"""Generate and work with PEP 425 Compatibility Tags.""" +from __future__ import absolute_import + +import distutils.util +import logging +import platform +import re +import sys +import sysconfig +import warnings +from collections import OrderedDict + +import pip._internal.utils.glibc +from pip._internal.utils.compat import get_extension_suffixes +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import ( + Tuple, Callable, List, Optional, Union, Dict + ) + + Pep425Tag = Tuple[str, str, str] + +logger = logging.getLogger(__name__) + +_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)') + + +def get_config_var(var): + # type: (str) -> Optional[str] + try: + return sysconfig.get_config_var(var) + except IOError as e: # Issue #1074 + warnings.warn("{}".format(e), RuntimeWarning) + return None + + +def get_abbr_impl(): + # type: () -> str + """Return abbreviated implementation name.""" + if hasattr(sys, 'pypy_version_info'): + pyimpl = 'pp' + elif sys.platform.startswith('java'): + pyimpl = 'jy' + elif sys.platform == 'cli': + pyimpl = 'ip' + else: + pyimpl = 'cp' + return pyimpl + + +def version_info_to_nodot(version_info): + # type: (Tuple[int, ...]) -> str + # Only use up to the first two numbers. + return ''.join(map(str, version_info[:2])) + + +def get_impl_ver(): + # type: () -> str + """Return implementation version.""" + impl_ver = get_config_var("py_version_nodot") + if not impl_ver or get_abbr_impl() == 'pp': + impl_ver = ''.join(map(str, get_impl_version_info())) + return impl_ver + + +def get_impl_version_info(): + # type: () -> Tuple[int, ...] + """Return sys.version_info-like tuple for use in decrementing the minor + version.""" + if get_abbr_impl() == 'pp': + # as per https://github.com/pypa/pip/issues/2882 + # attrs exist only on pypy + return (sys.version_info[0], + sys.pypy_version_info.major, # type: ignore + sys.pypy_version_info.minor) # type: ignore + else: + return sys.version_info[0], sys.version_info[1] + + +def get_impl_tag(): + # type: () -> str + """ + Returns the Tag for this specific implementation. + """ + return "{}{}".format(get_abbr_impl(), get_impl_ver()) + + +def get_flag(var, fallback, expected=True, warn=True): + # type: (str, Callable[..., bool], Union[bool, int], bool) -> bool + """Use a fallback method for determining SOABI flags if the needed config + var is unset or unavailable.""" + val = get_config_var(var) + if val is None: + if warn: + logger.debug("Config variable '%s' is unset, Python ABI tag may " + "be incorrect", var) + return fallback() + return val == expected + + +def get_abi_tag(): + # type: () -> Optional[str] + """Return the ABI tag based on SOABI (if available) or emulate SOABI + (CPython 2, PyPy).""" + soabi = get_config_var('SOABI') + impl = get_abbr_impl() + if not soabi and impl in {'cp', 'pp'} and hasattr(sys, 'maxunicode'): + d = '' + m = '' + u = '' + if get_flag('Py_DEBUG', + lambda: hasattr(sys, 'gettotalrefcount'), + warn=(impl == 'cp')): + d = 'd' + if get_flag('WITH_PYMALLOC', + lambda: impl == 'cp', + warn=(impl == 'cp')): + m = 'm' + if get_flag('Py_UNICODE_SIZE', + lambda: sys.maxunicode == 0x10ffff, + expected=4, + warn=(impl == 'cp' and + sys.version_info < (3, 3))) \ + and sys.version_info < (3, 3): + u = 'u' + abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u) + elif soabi and soabi.startswith('cpython-'): + abi = 'cp' + soabi.split('-')[1] + elif soabi: + abi = soabi.replace('.', '_').replace('-', '_') + else: + abi = None + return abi + + +def _is_running_32bit(): + # type: () -> bool + return sys.maxsize == 2147483647 + + +def get_platform(): + # type: () -> str + """Return our platform name 'win32', 'linux_x86_64'""" + if sys.platform == 'darwin': + # distutils.util.get_platform() returns the release based on the value + # of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may + # be significantly older than the user's current machine. + release, _, machine = platform.mac_ver() + split_ver = release.split('.') + + if machine == "x86_64" and _is_running_32bit(): + machine = "i386" + elif machine == "ppc64" and _is_running_32bit(): + machine = "ppc" + + return 'macosx_{}_{}_{}'.format(split_ver[0], split_ver[1], machine) + + # XXX remove distutils dependency + result = distutils.util.get_platform().replace('.', '_').replace('-', '_') + if result == "linux_x86_64" and _is_running_32bit(): + # 32 bit Python program (running on a 64 bit Linux): pip should only + # install and run 32 bit compiled extensions in that case. + result = "linux_i686" + + return result + + +def is_manylinux1_compatible(): + # type: () -> bool + # Only Linux, and only x86-64 / i686 + if get_platform() not in {"linux_x86_64", "linux_i686"}: + return False + + # Check for presence of _manylinux module + try: + import _manylinux + return bool(_manylinux.manylinux1_compatible) + except (ImportError, AttributeError): + # Fall through to heuristic check below + pass + + # Check glibc version. CentOS 5 uses glibc 2.5. + return pip._internal.utils.glibc.have_compatible_glibc(2, 5) + + +def is_manylinux2010_compatible(): + # type: () -> bool + # Only Linux, and only x86-64 / i686 + if get_platform() not in {"linux_x86_64", "linux_i686"}: + return False + + # Check for presence of _manylinux module + try: + import _manylinux + return bool(_manylinux.manylinux2010_compatible) + except (ImportError, AttributeError): + # Fall through to heuristic check below + pass + + # Check glibc version. CentOS 6 uses glibc 2.12. + return pip._internal.utils.glibc.have_compatible_glibc(2, 12) + + +def get_darwin_arches(major, minor, machine): + # type: (int, int, str) -> List[str] + """Return a list of supported arches (including group arches) for + the given major, minor and machine architecture of an macOS machine. + """ + arches = [] + + def _supports_arch(major, minor, arch): + # type: (int, int, str) -> bool + # Looking at the application support for macOS versions in the chart + # provided by https://en.wikipedia.org/wiki/OS_X#Versions it appears + # our timeline looks roughly like: + # + # 10.0 - Introduces ppc support. + # 10.4 - Introduces ppc64, i386, and x86_64 support, however the ppc64 + # and x86_64 support is CLI only, and cannot be used for GUI + # applications. + # 10.5 - Extends ppc64 and x86_64 support to cover GUI applications. + # 10.6 - Drops support for ppc64 + # 10.7 - Drops support for ppc + # + # Given that we do not know if we're installing a CLI or a GUI + # application, we must be conservative and assume it might be a GUI + # application and behave as if ppc64 and x86_64 support did not occur + # until 10.5. + # + # Note: The above information is taken from the "Application support" + # column in the chart not the "Processor support" since I believe + # that we care about what instruction sets an application can use + # not which processors the OS supports. + if arch == 'ppc': + return (major, minor) <= (10, 5) + if arch == 'ppc64': + return (major, minor) == (10, 5) + if arch == 'i386': + return (major, minor) >= (10, 4) + if arch == 'x86_64': + return (major, minor) >= (10, 5) + if arch in groups: + for garch in groups[arch]: + if _supports_arch(major, minor, garch): + return True + return False + + groups = OrderedDict([ + ("fat", ("i386", "ppc")), + ("intel", ("x86_64", "i386")), + ("fat64", ("x86_64", "ppc64")), + ("fat32", ("x86_64", "i386", "ppc")), + ]) # type: Dict[str, Tuple[str, ...]] + + if _supports_arch(major, minor, machine): + arches.append(machine) + + for garch in groups: + if machine in groups[garch] and _supports_arch(major, minor, garch): + arches.append(garch) + + arches.append('universal') + + return arches + + +def get_all_minor_versions_as_strings(version_info): + # type: (Tuple[int, ...]) -> List[str] + versions = [] + major = version_info[:-1] + # Support all previous minor Python versions. + for minor in range(version_info[-1], -1, -1): + versions.append(''.join(map(str, major + (minor,)))) + return versions + + +def get_supported( + versions=None, # type: Optional[List[str]] + noarch=False, # type: bool + platform=None, # type: Optional[str] + impl=None, # type: Optional[str] + abi=None # type: Optional[str] +): + # type: (...) -> List[Pep425Tag] + """Return a list of supported tags for each version specified in + `versions`. + + :param versions: a list of string versions, of the form ["33", "32"], + or None. The first version will be assumed to support our ABI. + :param platform: specify the exact platform you want valid + tags for, or None. If None, use the local system platform. + :param impl: specify the exact implementation you want valid + tags for, or None. If None, use the local interpreter impl. + :param abi: specify the exact abi you want valid + tags for, or None. If None, use the local interpreter abi. + """ + supported = [] + + # Versions must be given with respect to the preference + if versions is None: + version_info = get_impl_version_info() + versions = get_all_minor_versions_as_strings(version_info) + + impl = impl or get_abbr_impl() + + abis = [] # type: List[str] + + abi = abi or get_abi_tag() + if abi: + abis[0:0] = [abi] + + abi3s = set() + for suffix in get_extension_suffixes(): + if suffix.startswith('.abi'): + abi3s.add(suffix.split('.', 2)[1]) + + abis.extend(sorted(list(abi3s))) + + abis.append('none') + + if not noarch: + arch = platform or get_platform() + arch_prefix, arch_sep, arch_suffix = arch.partition('_') + if arch.startswith('macosx'): + # support macosx-10.6-intel on macosx-10.9-x86_64 + match = _osx_arch_pat.match(arch) + if match: + name, major, minor, actual_arch = match.groups() + tpl = '{}_{}_%i_%s'.format(name, major) + arches = [] + for m in reversed(range(int(minor) + 1)): + for a in get_darwin_arches(int(major), m, actual_arch): + arches.append(tpl % (m, a)) + else: + # arch pattern didn't match (?!) + arches = [arch] + elif arch_prefix == 'manylinux2010': + # manylinux1 wheels run on most manylinux2010 systems with the + # exception of wheels depending on ncurses. PEP 571 states + # manylinux1 wheels should be considered manylinux2010 wheels: + # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels + arches = [arch, 'manylinux1' + arch_sep + arch_suffix] + elif platform is None: + arches = [] + if is_manylinux2010_compatible(): + arches.append('manylinux2010' + arch_sep + arch_suffix) + if is_manylinux1_compatible(): + arches.append('manylinux1' + arch_sep + arch_suffix) + arches.append(arch) + else: + arches = [arch] + + # Current version, current API (built specifically for our Python): + for abi in abis: + for arch in arches: + supported.append(('%s%s' % (impl, versions[0]), abi, arch)) + + # abi3 modules compatible with older version of Python + for version in versions[1:]: + # abi3 was introduced in Python 3.2 + if version in {'31', '30'}: + break + for abi in abi3s: # empty set if not Python 3 + for arch in arches: + supported.append(("%s%s" % (impl, version), abi, arch)) + + # Has binaries, does not use the Python API: + for arch in arches: + supported.append(('py%s' % (versions[0][0]), 'none', arch)) + + # No abi / arch, but requires our implementation: + supported.append(('%s%s' % (impl, versions[0]), 'none', 'any')) + # Tagged specifically as being cross-version compatible + # (with just the major version specified) + supported.append(('%s%s' % (impl, versions[0][0]), 'none', 'any')) + + # No abi / arch, generic Python + for i, version in enumerate(versions): + supported.append(('py%s' % (version,), 'none', 'any')) + if i == 0: + supported.append(('py%s' % (version[0]), 'none', 'any')) + + return supported + + +implementation_tag = get_impl_tag() |