我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用pip._vendor.packaging.version.split()。
def run_script(self, script_name, namespace): script = 'scripts/'+script_name if not self.has_metadata(script): raise ResolutionError("No script named %r" % script_name) script_text = self.get_metadata(script).replace('\r\n', '\n') script_text = script_text.replace('\r', '\n') script_filename = self._fn(self.egg_info, script) namespace['__file__'] = script_filename if os.path.exists(script_filename): source = open(script_filename).read() code = compile(source, script_filename, 'exec') exec(code, namespace, namespace) else: from linecache import cache cache[script_filename] = ( len(script_text), 0, script_text.split('\n'), script_filename ) script_code = compile(script_text, script_filename,'exec') exec(script_code, namespace, namespace)
def _index(self): try: return self._dirindex except AttributeError: ind = {} for path in self.zipinfo: parts = path.split(os.sep) while parts: parent = os.sep.join(parts[:-1]) if parent in ind: ind[parent].append(parts[-1]) break else: ind[parent] = [parts.pop()] self._dirindex = ind return ind
def parse(cls, src, dist=None): """Parse a single entry point from string `src` Entry point syntax follows the form:: name = some.module:some.attr [extra1, extra2] The entry name and module name are required, but the ``:attrs`` and ``[extras]`` parts are optional """ m = cls.pattern.match(src) if not m: msg = "EntryPoint must be in 'name=module:attrs [extras]' format" raise ValueError(msg, src) res = m.groupdict() extras = cls._parse_extras(res['extras']) attrs = res['attr'].split('.') if res['attr'] else () return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self): try: return self.__dep_map except AttributeError: dm = self.__dep_map = {None: []} for name in 'requires.txt', 'depends.txt': for extra, reqs in split_sections(self._get_metadata(name)): if extra: if ':' in extra: extra, marker = extra.split(':', 1) if invalid_marker(marker): # XXX warn reqs=[] elif not evaluate_marker(marker): reqs=[] extra = safe_extra(extra) or None dm.setdefault(extra,[]).extend(parse_requirements(reqs)) return dm
def _macosx_vers(_cache=[]): if not _cache: version = platform.mac_ver()[0] # fallback for MacPorts if version == '': plist = '/System/Library/CoreServices/SystemVersion.plist' if os.path.exists(plist): if hasattr(plistlib, 'readPlist'): plist_content = plistlib.readPlist(plist) if 'ProductVersion' in plist_content: version = plist_content['ProductVersion'] _cache.append(version.split('.')) return _cache[0]
def _fn(self, base, resource_name): if resource_name: return os.path.join(base, *resource_name.split('/')) return base
def _setup_prefix(self): # we assume here that our metadata may be nested inside a "basket" # of multiple eggs; that's why we use module_path instead of .archive path = self.module_path old = None while path!=old: if path.lower().endswith('.egg'): self.egg_name = os.path.basename(path) self.egg_info = os.path.join(path, 'EGG-INFO') self.egg_root = path break old = path path, base = os.path.split(path)
def declare_namespace(packageName): """Declare that package 'packageName' is a namespace package""" imp.acquire_lock() try: if packageName in _namespace_packages: return path, parent = sys.path, None if '.' in packageName: parent = '.'.join(packageName.split('.')[:-1]) declare_namespace(parent) if parent not in _namespace_packages: __import__(parent) try: path = sys.modules[parent].__path__ except AttributeError: raise TypeError("Not a package:", parent) # Track what packages are namespaces, so when new path items are added, # they can be updated _namespace_packages.setdefault(parent,[]).append(packageName) _namespace_packages.setdefault(packageName,[]) for path_item in path: # Ensure all the parent's path items are reflected in the child, # if they apply _handle_ns(packageName, path_item) finally: imp.release_lock()
def file_ns_handler(importer, path_item, packageName, module): """Compute an ns-package subpath for a filesystem or zipfile importer""" subpath = os.path.join(path_item, packageName.split('.')[-1]) normalized = _normalize_cached(subpath) for item in module.__path__: if _normalize_cached(item)==normalized: break else: # Only return the path if it's not already there return subpath
def _set_parent_ns(packageName): parts = packageName.split('.') name = parts.pop() if parts: parent = '.'.join(parts) setattr(sys.modules[parent], name, sys.modules[packageName])
def clone(self,**kw): """Copy this distribution, substituting in any changed keyword args""" names = 'project_name version py_version platform location precedence' for attr in names.split(): kw.setdefault(attr, getattr(self, attr, None)) kw.setdefault('metadata', self._provider) return self.__class__(**kw)
def _preparse_requirement(self, requires_dist): """Convert 'Foobar (1); baz' to ('Foobar ==1', 'baz') Split environment marker, add == prefix to version specifiers as necessary, and remove parenthesis. """ parts = requires_dist.split(';', 1) + [''] distvers = parts[0].strip() mark = parts[1].strip() distvers = re.sub(self.EQEQ, r"\1==\2\3", distvers) distvers = distvers.replace('(', '').replace(')', '') return (distvers, mark)
def _bypass_ensure_directory(path): """Sandbox-bypassing version of ensure_directory()""" if not WRITE_SUPPORT: raise IOError('"os.mkdir" not supported on this platform.') dirname, filename = split(path) if dirname and filename and not isdir(dirname): _bypass_ensure_directory(dirname) mkdir(dirname, 0o755)
def declare_namespace(packageName): """Declare that package 'packageName' is a namespace package""" _imp.acquire_lock() try: if packageName in _namespace_packages: return path, parent = sys.path, None if '.' in packageName: parent = '.'.join(packageName.split('.')[:-1]) declare_namespace(parent) if parent not in _namespace_packages: __import__(parent) try: path = sys.modules[parent].__path__ except AttributeError: raise TypeError("Not a package:", parent) # Track what packages are namespaces, so when new path items are added, # they can be updated _namespace_packages.setdefault(parent,[]).append(packageName) _namespace_packages.setdefault(packageName,[]) for path_item in path: # Ensure all the parent's path items are reflected in the child, # if they apply _handle_ns(packageName, path_item) finally: _imp.release_lock()
def _parts(self, zip_path): # Convert a zipfile subpath into an egg-relative path part list. # pseudo-fs path fspath = self.zip_pre+zip_path if fspath.startswith(self.egg_root+os.sep): return fspath[len(self.egg_root)+1:].split(os.sep) raise AssertionError( "%s is not a subpath of %s" % (fspath, self.egg_root) )
