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