| """Convert a NT pathname to a file URL and vice versa.""" | |
| def url2pathname(url): | |
| """OS-specific conversion from a relative URL of the 'file' scheme | |
| to a file system path; not recommended for general use.""" | |
| # e.g. | |
| # ///C|/foo/bar/spam.foo | |
| # becomes | |
| # C:\foo\bar\spam.foo | |
| import string, urllib | |
| # Windows itself uses ":" even in URLs. | |
| url = url.replace(':', '|') | |
| 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() | |
| path = drive + ':' | |
| components = comp[1].split('/') | |
| for comp in components: | |
| if comp: | |
| path = path + '\\' + urllib.unquote(comp) | |
| # Issue #11474: url like '/C|/' should convert into 'C:\\' | |
| if path.endswith(':') and url.endswith('/'): | |
| path += '\\' | |
| return path | |
| def pathname2url(p): | |
| """OS-specific conversion from a file system path to a relative URL | |
| of the 'file' scheme; not recommended for general use.""" | |
| # e.g. | |
| # 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 |