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
38
39
40
|
# (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org)
# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
from paste.deploy.compat import basestring
truthy = frozenset(['true', 'yes', 'on', 'y', 't', '1'])
falsy = frozenset(['false', 'no', 'off', 'n', 'f', '0'])
def asbool(obj):
if isinstance(obj, basestring):
obj = obj.strip().lower()
if obj in truthy:
return True
elif obj in falsy:
return False
else:
raise ValueError("String is not true/false: %r" % obj)
return bool(obj)
def asint(obj):
try:
return int(obj)
except (TypeError, ValueError):
raise ValueError("Bad integer value: %r" % obj)
def aslist(obj, sep=None, strip=True):
if isinstance(obj, basestring):
lst = obj.split(sep)
if strip:
lst = [v.strip() for v in lst]
return lst
elif isinstance(obj, (list, tuple)):
return obj
elif obj is None:
return []
else:
return [obj]
|
