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66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
"""Convert a NT pathname to a file URL and vice versa."""
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def url2pathname(url):
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r"""Convert a URL to a DOS path.
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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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"""
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import string, urllib
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if not '|' in url:
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# No drive specifier, just convert slashes
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if url[:4] == '////':
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# path is something like ////host/path/on/remote/host
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# convert this to \\host\path\on\remote\host
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# (notice halving of slashes at the start of the path)
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url = url[2:]
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components = string.split(url, '/')
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# make sure not to convert quoted slashes :-)
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return urllib.unquote(string.join(components, '\\'))
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comp = string.split(url, '|')
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if len(comp) != 2 or comp[0][-1] not in string.letters:
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error = 'Bad URL: ' + url
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raise IOError, error
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drive = string.upper(comp[0][-1])
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components = string.split(comp[1], '/')
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path = drive + ':'
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for comp in components:
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if comp:
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path = path + '\\' + urllib.unquote(comp)
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return path
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def pathname2url(p):
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r"""Convert a DOS path name to a file url.
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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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"""
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import string, urllib
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if not ':' in p:
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# No drive specifier, just convert slashes and quote the name
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if p[:2] == '\\\\':
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# path is something like \\host\path\on\remote\host
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# convert this to ////host/path/on/remote/host
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# (notice doubling of slashes at the start of the path)
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p = '\\\\' + p
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components = string.split(p, '\\')
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return urllib.quote(string.join(components, '/'))
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comp = string.split(p, ':')
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if len(comp) != 2 or len(comp[0]) > 1:
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error = 'Bad path: ' + p
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raise IOError, error
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drive = urllib.quote(string.upper(comp[0]))
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components = string.split(comp[1], '\\')
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path = '///' + drive + '|'
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for comp in components:
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if comp:
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path = path + '/' + urllib.quote(comp)
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return path
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