mirror of
https://github.com/python/cpython
synced 2024-10-17 09:21:44 +00:00
1afc169616
It consists of code from urllib, urllib2, urlparse, and robotparser. The old modules have all been removed. The new package has five submodules: urllib.parse, urllib.request, urllib.response, urllib.error, and urllib.robotparser. The urllib.request.urlopen() function uses the url opener from urllib2. Note that the unittests have not been renamed for the beta, but they will be renamed in the future. Joint work with Senthil Kumaran.
98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
"""Macintosh-specific module for conversion between pathnames and URLs.
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Do not import directly; use urllib instead."""
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import urllib.parse
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import os
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__all__ = ["url2pathname","pathname2url"]
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def url2pathname(pathname):
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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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#
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# XXXX The .. handling should be fixed...
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#
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tp = urllib.parsesplittype(pathname)[0]
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if tp and tp != 'file':
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raise RuntimeError('Cannot convert non-local URL to pathname')
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# Turn starting /// into /, an empty hostname means current host
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if pathname[:3] == '///':
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pathname = pathname[2:]
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elif pathname[:2] == '//':
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raise RuntimeError('Cannot convert non-local URL to pathname')
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components = pathname.split('/')
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# Remove . and embedded ..
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i = 0
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while i < len(components):
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if components[i] == '.':
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del components[i]
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elif components[i] == '..' and i > 0 and \
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components[i-1] not in ('', '..'):
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del components[i-1:i+1]
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i = i-1
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elif components[i] == '' and i > 0 and components[i-1] != '':
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del components[i]
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else:
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i = i+1
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if not components[0]:
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# Absolute unix path, don't start with colon
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rv = ':'.join(components[1:])
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else:
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# relative unix path, start with colon. First replace
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# leading .. by empty strings (giving ::file)
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i = 0
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while i < len(components) and components[i] == '..':
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components[i] = ''
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i = i + 1
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rv = ':' + ':'.join(components)
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# and finally unquote slashes and other funny characters
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return urllib.parseunquote(rv)
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def pathname2url(pathname):
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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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if '/' in pathname:
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raise RuntimeError("Cannot convert pathname containing slashes")
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components = pathname.split(':')
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# Remove empty first and/or last component
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if components[0] == '':
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del components[0]
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if components[-1] == '':
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del components[-1]
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# Replace empty string ('::') by .. (will result in '/../' later)
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for i in range(len(components)):
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if components[i] == '':
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components[i] = '..'
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# Truncate names longer than 31 bytes
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components = map(_pncomp2url, components)
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if os.path.isabs(pathname):
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return '/' + '/'.join(components)
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else:
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return '/'.join(components)
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def _pncomp2url(component):
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# We want to quote slashes
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return urllib.parsequote(component[:31], safe='')
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def test():
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for url in ["index.html",
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"bar/index.html",
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"/foo/bar/index.html",
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"/foo/bar/",
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"/"]:
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print('%r -> %r' % (url, url2pathname(url)))
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for path in ["drive:",
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"drive:dir:",
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"drive:dir:file",
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"drive:file",
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"file",
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":file",
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":dir:",
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":dir:file"]:
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print('%r -> %r' % (path, pathname2url(path)))
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if __name__ == '__main__':
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test()
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