diff options
Diffstat (limited to 'pkg_resources/__init__.py')
| -rw-r--r-- | pkg_resources/__init__.py | 85 |
1 files changed, 44 insertions, 41 deletions
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py index 1f170cfd..edd3d2e8 100644 --- a/pkg_resources/__init__.py +++ b/pkg_resources/__init__.py @@ -55,7 +55,7 @@ except NameError: FileExistsError = OSError from pkg_resources.extern import six -from pkg_resources.extern.six.moves import urllib, map, filter +from pkg_resources.extern.six.moves import map, filter # capture these to bypass sandboxing from os import utime @@ -83,13 +83,14 @@ __import__('pkg_resources.extern.packaging.version') __import__('pkg_resources.extern.packaging.specifiers') __import__('pkg_resources.extern.packaging.requirements') __import__('pkg_resources.extern.packaging.markers') +__import__('pkg_resources.py2_warn') __metaclass__ = type -if (3, 0) < sys.version_info < (3, 4): - raise RuntimeError("Python 3.4 or later is required") +if (3, 0) < sys.version_info < (3, 5): + raise RuntimeError("Python 3.5 or later is required") if six.PY2: # Those builtin exceptions are only defined in Python 3 @@ -178,10 +179,10 @@ def get_supported_platform(): """Return this platform's maximum compatible version. distutils.util.get_platform() normally reports the minimum version - of Mac OS X that would be required to *use* extensions produced by + of macOS that would be required to *use* extensions produced by distutils. But what we want when checking compatibility is to know the - version of Mac OS X that we are *running*. To allow usage of packages that - explicitly require a newer version of Mac OS X, we must also know the + version of macOS that we are *running*. To allow usage of packages that + explicitly require a newer version of macOS, we must also know the current version of the OS. If this condition occurs for any other platform with a version in its @@ -191,9 +192,9 @@ def get_supported_platform(): m = macosVersionString.match(plat) if m is not None and sys.platform == "darwin": try: - plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3)) + plat = 'macosx-%s-%s' % ('.'.join(_macos_vers()[:2]), m.group(3)) except ValueError: - # not Mac OS X + # not macOS pass return plat @@ -333,7 +334,7 @@ class UnknownExtra(ResolutionError): _provider_factories = {} -PY_MAJOR = sys.version[:3] +PY_MAJOR = '{}.{}'.format(*sys.version_info) EGG_DIST = 3 BINARY_DIST = 2 SOURCE_DIST = 1 @@ -364,7 +365,7 @@ def get_provider(moduleOrReq): return _find_adapter(_provider_factories, loader)(module) -def _macosx_vers(_cache=[]): +def _macos_vers(_cache=[]): if not _cache: version = platform.mac_ver()[0] # fallback for MacPorts @@ -380,7 +381,7 @@ def _macosx_vers(_cache=[]): return _cache[0] -def _macosx_arch(machine): +def _macos_arch(machine): return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine) @@ -388,18 +389,18 @@ def get_build_platform(): """Return this platform's string for platform-specific distributions XXX Currently this is the same as ``distutils.util.get_platform()``, but it - needs some hacks for Linux and Mac OS X. + needs some hacks for Linux and macOS. """ from sysconfig import get_platform plat = get_platform() if sys.platform == "darwin" and not plat.startswith('macosx-'): try: - version = _macosx_vers() + version = _macos_vers() machine = os.uname()[4].replace(" ", "_") return "macosx-%d.%d-%s" % ( int(version[0]), int(version[1]), - _macosx_arch(machine), + _macos_arch(machine), ) except ValueError: # if someone is running a non-Mac darwin system, this will fall @@ -425,7 +426,7 @@ def compatible_platforms(provided, required): # easy case return True - # Mac OS X special cases + # macOS special cases reqMac = macosVersionString.match(required) if reqMac: provMac = macosVersionString.match(provided) @@ -434,7 +435,7 @@ def compatible_platforms(provided, required): if not provMac: # this is backwards compatibility for packages built before # setuptools 0.6. All packages built after this point will - # use the new macosx designation. + # use the new macOS designation. provDarwin = darwinVersionString.match(provided) if provDarwin: dversion = int(provDarwin.group(1)) @@ -442,7 +443,7 @@ def compatible_platforms(provided, required): if dversion == 7 and macosversion >= "10.3" or \ dversion == 8 and macosversion >= "10.4": return True - # egg isn't macosx or legacy darwin + # egg isn't macOS or legacy darwin return False # are they the same major version and machine type? @@ -1234,12 +1235,13 @@ class ResourceManager: mode = os.stat(path).st_mode if mode & stat.S_IWOTH or mode & stat.S_IWGRP: msg = ( - "%s is writable by group/others and vulnerable to attack " - "when " - "used with get_resource_filename. Consider a more secure " + "Extraction path is writable by group/others " + "and vulnerable to attack when " + "used with get_resource_filename ({path}). " + "Consider a more secure " "location (set with .set_extraction_path or the " - "PYTHON_EGG_CACHE environment variable)." % path - ) + "PYTHON_EGG_CACHE environment variable)." + ).format(**locals()) warnings.warn(msg, UserWarning) def postprocess(self, tempname, filename): @@ -2067,11 +2069,14 @@ def find_on_path(importer, path_item, only=False): def dist_factory(path_item, entry, only): - """ - Return a dist_factory for a path_item and entry - """ + """Return a dist_factory for the given entry.""" lower = entry.lower() - is_meta = any(map(lower.endswith, ('.egg-info', '.dist-info'))) + is_egg_info = lower.endswith('.egg-info') + is_dist_info = ( + lower.endswith('.dist-info') and + os.path.isdir(os.path.join(path_item, entry)) + ) + is_meta = is_egg_info or is_dist_info return ( distributions_from_metadata if is_meta else @@ -2195,10 +2200,14 @@ def _handle_ns(packageName, path_item): if importer is None: return None - # capture warnings due to #1111 - with warnings.catch_warnings(): - warnings.simplefilter("ignore") - loader = importer.find_module(packageName) + # use find_spec (PEP 451) and fall-back to find_module (PEP 302) + try: + loader = importer.find_spec(packageName).loader + except AttributeError: + # capture warnings due to #1111 + with warnings.catch_warnings(): + warnings.simplefilter("ignore") + loader = importer.find_module(packageName) if loader is None: return None @@ -2328,7 +2337,8 @@ register_namespace_handler(object, null_ns_handler) def normalize_path(filename): """Normalize a file/dir name for comparison purposes""" - return os.path.normcase(os.path.realpath(os.path.normpath(_cygwin_patch(filename)))) + return os.path.normcase(os.path.realpath(os.path.normpath( + _cygwin_patch(filename)))) def _cygwin_patch(filename): # pragma: nocover @@ -2536,15 +2546,6 @@ class EntryPoint: return maps -def _remove_md5_fragment(location): - if not location: - return '' - parsed = urllib.parse.urlparse(location) - if parsed[-1].startswith('md5='): - return urllib.parse.urlunparse(parsed[:-1] + ('',)) - return location - - def _version_from_file(lines): """ Given an iterable of lines from a Metadata file, return @@ -2601,7 +2602,7 @@ class Distribution: self.parsed_version, self.precedence, self.key, - _remove_md5_fragment(self.location), + self.location, self.py_version or '', self.platform or '', ) @@ -3109,6 +3110,7 @@ class Requirement(packaging.requirements.Requirement): self.extras = tuple(map(safe_extra, self.extras)) self.hashCmp = ( self.key, + self.url, self.specifier, frozenset(self.extras), str(self.marker) if self.marker else None, @@ -3286,6 +3288,7 @@ def _initialize_master_working_set(): list(map(working_set.add_entry, sys.path)) globals().update(locals()) + class PkgResourcesDeprecationWarning(Warning): """ Base class for warning about deprecations in ``pkg_resources`` |