495     def from_file(cls, filename, arcname=None):  argument
511         if arcname is None:
512             arcname = filename
513         arcname = os.path.normpath(os.path.splitdrive(arcname)[1])
514         while arcname[0] in (os.sep, os.altsep):
515             arcname = arcname[1:]
517             arcname += '/'
518         zinfo = cls(arcname, date_time)
1619     def _sanitize_windows_name(cls, arcname, pathsep):  argument
1626         arcname = arcname.translate(table)
1628         arcname = (x.rstrip('.') for x in arcname.split(pathsep))
1630         arcname = pathsep.join(x for x in arcname if x)
1631         return arcname
1642         arcname = member.filename.replace('/', os.path.sep)
1645             arcname = arcname.replace(os.path.altsep, os.path.sep)
1648         arcname = os.path.splitdrive(arcname)[1]
1650         arcname = os.path.sep.join(x for x in arcname.split(os.path.sep)
1654             arcname = self._sanitize_windows_name(arcname, os.path.sep)
1656         targetpath = os.path.join(targetpath, arcname)
1698     def write(self, filename, arcname=None,  argument
1710         zinfo = ZipInfo.from_file(filename, arcname)
1962                 fname, arcname = self._get_codename(initname[0:-3], basename)
1964                     print("Adding", arcname)
1965                 self.write(fname, arcname)
1982                         fname, arcname = self._get_codename(path[0:-3],
1985                             print("Adding", arcname)
1986                         self.write(fname, arcname)
1999                         fname, arcname = self._get_codename(path[0:-3],
2002                             print("Adding", arcname)
2003                         self.write(fname, arcname)
2008             fname, arcname = self._get_codename(pathname[0:-3], basename)
2010                 print("Adding file", arcname)
2011             self.write(fname, arcname)
2041                 arcname = fname = file_pyc
2047                 arcname = file_pyc
2053                 arcname = file_pyc
2059                 arcname = file_pyc
2069                     arcname = file_pyc
2071                     fname = arcname = file_py
2076                 arcname = file_pyc
2078                 arcname = file_pyc
2089                     fname = arcname = file_py
2090         archivename = os.path.split(arcname)[1]