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annotate lib/python3.8/site-packages/pip/_internal/utils/urls.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 import os
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2 import sys
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3
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4 from pip._vendor.six.moves.urllib import parse as urllib_parse
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5 from pip._vendor.six.moves.urllib import request as urllib_request
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6
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7 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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8
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9 if MYPY_CHECK_RUNNING:
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10 from typing import Optional, Text, Union
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12
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13 def get_url_scheme(url):
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14 # type: (Union[str, Text]) -> Optional[Text]
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15 if ':' not in url:
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16 return None
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17 return url.split(':', 1)[0].lower()
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18
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19
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20 def path_to_url(path):
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21 # type: (Union[str, Text]) -> str
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22 """
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23 Convert a path to a file: URL. The path will be made absolute and have
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24 quoted path parts.
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25 """
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26 path = os.path.normpath(os.path.abspath(path))
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27 url = urllib_parse.urljoin('file:', urllib_request.pathname2url(path))
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28 return url
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31 def url_to_path(url):
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32 # type: (str) -> str
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33 """
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34 Convert a file: URL to a path.
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35 """
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36 assert url.startswith('file:'), (
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37 "You can only turn file: urls into filenames (not %r)" % url)
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38
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39 _, netloc, path, _, _ = urllib_parse.urlsplit(url)
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40
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41 if not netloc or netloc == 'localhost':
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42 # According to RFC 8089, same as empty authority.
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43 netloc = ''
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44 elif sys.platform == 'win32':
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45 # If we have a UNC path, prepend UNC share notation.
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46 netloc = '\\\\' + netloc
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47 else:
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48 raise ValueError(
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49 'non-local file URIs are not supported on this platform: %r'
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50 % url
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51 )
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52
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53 path = urllib_request.url2pathname(netloc + path)
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54 return path