blob: 2b3be5d8c4342143fbeea39d90f0ce405fd427cb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#
# Useful utilities.
#
#
# A simple class for accumulating counts or lists
#
class accumulator:
def __init__(self):
self._data = { }
def incr(self, key, increment = 1):
try:
self._data[key] += increment
except KeyError:
self._data[key] = increment
def get(self, key, default = None):
try:
return self._data[key]
except KeyError:
return default
def append(self, key, item, unique = False):
if unique and self._data.has_key(key) and \
item in self._data[key]:
return
try:
self._data[key].append(item)
except KeyError:
self._data[key] = [item]
def keys(self):
return self._data.keys()
def __getitem__(self, key):
return self._data[key]
|
