ref: e01577f8f61023ab90d8022e75cb00027399428c
dir: /sys/lib/python/plat-riscos/rourl2path.py/
"""riscos specific module for conversion between pathnames and URLs. Based on macurl2path. Do not import directly, use urllib instead.""" import string import urllib import os __all__ = ["url2pathname","pathname2url"] __slash_dot = string.maketrans("/.", "./") def url2pathname(url): """OS-specific conversion from a relative URL of the 'file' scheme to a file system path; not recommended for general use.""" tp = urllib.splittype(url)[0] if tp and tp <> 'file': raise RuntimeError, 'Cannot convert non-local URL to pathname' # Turn starting /// into /, an empty hostname means current host if url[:3] == '///': url = url[2:] elif url[:2] == '//': raise RuntimeError, 'Cannot convert non-local URL to pathname' components = string.split(url, '/') if not components[0]: if '$' in components: del components[0] else: components[0] = '$' # Remove . and embedded .. i = 0 while i < len(components): if components[i] == '.': del components[i] elif components[i] == '..' and i > 0 and \ components[i-1] not in ('', '..'): del components[i-1:i+1] i -= 1 elif components[i] == '..': components[i] = '^' i += 1 elif components[i] == '' and i > 0 and components[i-1] <> '': del components[i] else: i += 1 components = map(lambda x: urllib.unquote(x).translate(__slash_dot), components) return '.'.join(components) def pathname2url(pathname): """OS-specific conversion from a file system path to a relative URL of the 'file' scheme; not recommended for general use.""" return urllib.quote('///' + pathname.translate(__slash_dot), "/$:") def test(): for url in ["index.html", "/SCSI::SCSI4/$/Anwendung/Comm/Apps/!Fresco/Welcome", "/SCSI::SCSI4/$/Anwendung/Comm/Apps/../!Fresco/Welcome", "../index.html", "bar/index.html", "/foo/bar/index.html", "/foo/bar/", "/"]: print '%r -> %r' % (url, url2pathname(url)) print "*******************************************************" for path in ["SCSI::SCSI4.$.Anwendung", "PythonApp:Lib", "PythonApp:Lib.rourl2path/py"]: print '%r -> %r' % (path, pathname2url(path)) if __name__ == '__main__': test()