ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ# A wrapper around the (optional) built-in class dbm, supporting keys # and values of almost any type instead of just string. # (Actually, this works only for keys and values that can be read back # correctly after being converted to a string.) class Dbm: def __init__(self, filename, mode, perm): import dbm self.db = dbm.open(filename, mode, perm) def __repr__(self): s = '' for key in self.keys(): t = repr(key) + ': ' + repr(self[key]) if s: t = ', ' + t s = s + t return '{' + s + '}' def __len__(self): return len(self.db) def __getitem__(self, key): return eval(self.db[repr(key)]) def __setitem__(self, key, value): self.db[repr(key)] = repr(value) def __delitem__(self, key): del self.db[repr(key)] def keys(self): res = [] for key in self.db.keys(): res.append(eval(key)) return res def has_key(self, key): return self.db.has_key(repr(key)) def test(): d = Dbm('@dbm', 'rw', 0600) print d while 1: try: key = input('key: ') if d.has_key(key): value = d[key] print 'currently:', value value = input('value: ') if value is None: del d[key] else: d[key] = value except KeyboardInterrupt: print '' print d except EOFError: print '[eof]' break print d test()