From be7a7553cda1268b1dd2cec105345b5e0534c93f Mon Sep 17 00:00:00 2001 From: Georg Brandl Date: Sun, 4 Jul 2010 07:25:18 +0000 Subject: Remove old and unsafe Dbm demo class. --- Demo/classes/Dbm.py | 66 ----------------------------------------------------- 1 file changed, 66 deletions(-) delete mode 100644 Demo/classes/Dbm.py diff --git a/Demo/classes/Dbm.py b/Demo/classes/Dbm.py deleted file mode 100644 index f931e93..0000000 --- a/Demo/classes/Dbm.py +++ /dev/null @@ -1,66 +0,0 @@ -# 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.ndbm - self.db = dbm.ndbm.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 repr(key) in self.db - - -def test(): - d = Dbm('@dbm', 'rw', 0o600) - print(d) - while 1: - try: - key = eval(input('key: ')) - if key in d: - value = d[key] - print('currently:', value) - value = eval(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() -- cgit v0.12