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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
# -*- coding: UTF-8 -*-
# Copyright 2012 Red Hat, Inc.
# Part of clufter project
# Licensed under GPLv2 (a copy included | http://gnu.org/licenses/gpl-2.0.txt)
import os
# name the exitcodes
ecodes = 'SUCCESS', 'FAILURE'
EC = type('EC', (), {n: v for v, n in enumerate('EXIT_' + i for i in ecodes)})
head_tail = lambda x=None, *y: (x, x if x is None else y)
filtervars = lambda src,which: {x: src[x] for x in which if x in src}
filtervarsdef = lambda src,which: {x: src[x] for x in which if src.get(x, None)}
filtervarspop = lambda src,which: {x: src.pop(x) for x in which if x in src}
def which(name, *where):
where = tuple(os.path.abspath(i) for i in where)
if 'PATH' in os.environ:
path = tuple(i for i in os.environ['PATH'].split(os.pathsep)
if len(i.strip()))
else:
path = ()
for p in where + path:
check = os.path.join(p, name)
if os.path.exists(check):
return check
else:
return None
class ClufterError(Exception):
def __init__(self, ctx_self, msg, *args):
self.ctx_self = ctx_self
self.msg = msg
def __str__(self):
ret = getattr(self.ctx_self, '__name__',
self.ctx_self.__class__.__name__)
return ret + ': ' + self.msg.format(*self.args)
class ClufterPlainError(ClufterError):
def __init__(self, msg, *args):
super(ClufterPlainError, self).__init__(self, None, msg, *args)
# Inspired by http://stackoverflow.com/a/1383402
class classproperty(property):
def __init__(self, fnc):
property.__init__(self, classmethod(fnc))
def __get__(self, this, owner):
return self.fget.__get__(None, owner)()
class hybridproperty(property):
def __init__(self, fnc):
property.__init__(self, classmethod(fnc))
def __get__(self, this, owner):
return self.fget.__get__(None, this if this else owner)()
|
