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8abfaba5a6
Deprecate the `nturl2path` module. Its functionality is merged into `urllib.request`. Add `tests.test_nturl2path` to exercise `nturl2path`, as it's no longer covered by `test_urllib`.
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
"""Convert a NT pathname to a file URL and vice versa.
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This module only exists to provide OS-specific code
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for urllib.requests, thus do not use directly.
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"""
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# Testing is done through test_nturl2path.
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import warnings
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warnings._deprecated(
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__name__,
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message=f"{warnings._DEPRECATED_MSG}; use 'urllib.request' instead",
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remove=(3, 19))
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def url2pathname(url):
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"""OS-specific conversion from a relative URL of the 'file' scheme
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to a file system path; not recommended for general use."""
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# e.g.
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# ///C|/foo/bar/spam.foo
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# and
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# ///C:/foo/bar/spam.foo
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# become
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# C:\foo\bar\spam.foo
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import urllib.parse
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if url[:3] == '///':
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# URL has an empty authority section, so the path begins on the third
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# character.
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url = url[2:]
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elif url[:12] == '//localhost/':
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# Skip past 'localhost' authority.
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url = url[11:]
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if url[:3] == '///':
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# Skip past extra slash before UNC drive in URL path.
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url = url[1:]
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else:
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if url[:1] == '/' and url[2:3] in (':', '|'):
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# Skip past extra slash before DOS drive in URL path.
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url = url[1:]
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if url[1:2] == '|':
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# Older URLs use a pipe after a drive letter
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url = url[:1] + ':' + url[2:]
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return urllib.parse.unquote(url.replace('/', '\\'))
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def pathname2url(p):
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"""OS-specific conversion from a file system path to a relative URL
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of the 'file' scheme; not recommended for general use."""
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# e.g.
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# C:\foo\bar\spam.foo
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# becomes
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# ///C:/foo/bar/spam.foo
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import ntpath
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import urllib.parse
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# First, clean up some special forms. We are going to sacrifice
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# the additional information anyway
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p = p.replace('\\', '/')
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if p[:4] == '//?/':
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p = p[4:]
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if p[:4].upper() == 'UNC/':
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p = '//' + p[4:]
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drive, root, tail = ntpath.splitroot(p)
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if drive:
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if drive[1:] == ':':
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# DOS drive specified. Add three slashes to the start, producing
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# an authority section with a zero-length authority, and a path
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# section starting with a single slash.
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drive = f'///{drive}'
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drive = urllib.parse.quote(drive, safe='/:')
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elif root:
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# Add explicitly empty authority to path beginning with one slash.
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root = f'//{root}'
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tail = urllib.parse.quote(tail)
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return drive + root + tail
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