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Direktori : /proc/thread-self/root/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/utils/ |
Current File : //proc/thread-self/root/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/utils/urls.py |
import os import sys from pip._vendor.six.moves.urllib import parse as urllib_parse from pip._vendor.six.moves.urllib import request as urllib_request from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from typing import Optional, Text, Union def get_url_scheme(url): # type: (Union[str, Text]) -> Optional[Text] if ':' not in url: return None return url.split(':', 1)[0].lower() def path_to_url(path): # type: (Union[str, Text]) -> str """ Convert a path to a file: URL. The path will be made absolute and have quoted path parts. """ path = os.path.normpath(os.path.abspath(path)) url = urllib_parse.urljoin('file:', urllib_request.pathname2url(path)) return url def url_to_path(url): # type: (str) -> str """ Convert a file: URL to a path. """ assert url.startswith('file:'), ( "You can only turn file: urls into filenames (not {url!r})" .format(**locals())) _, netloc, path, _, _ = urllib_parse.urlsplit(url) if not netloc or netloc == 'localhost': # According to RFC 8089, same as empty authority. netloc = '' elif sys.platform == 'win32': # If we have a UNC path, prepend UNC share notation. netloc = '\\\\' + netloc else: raise ValueError( 'non-local file URIs are not supported on this platform: {url!r}' .format(**locals()) ) path = urllib_request.url2pathname(netloc + path) return path