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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
# -*- coding: utf-8 -*-
#
# AWL simulator - utility functions
#
# Copyright 2012-2015 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common.util import *
import sys
# Returns the index of a list element, or -1 if not found.
# If translate if not None, it should be a callable that translates
# a list entry. Arguments are index, entry.
def listIndex(_list, value, start=0, stop=-1, translate=None):
if stop < 0:
stop = len(_list)
if translate:
for i, ent in enumerate(_list[start:stop], start):
if translate(i, ent) == value:
return i
return -1
try:
return _list.index(value, start, stop)
except ValueError:
return -1
# Convert an integer list to a human readable string.
# Example: [1, 2, 3] -> "1, 2 or 3"
def listToHumanStr(lst, lastSep="or"):
if not lst:
return ""
lst = toList(lst)
string = ", ".join(str(i) for i in lst)
# Replace last comma with 'lastSep'
string = string[::-1].replace(",", lastSep[::-1] + " ", 1)[::-1]
return string
# Expand the elements of a list.
# 'expander' is the expansion callback. 'expander' takes
# one list element as argument. It returns a list.
def listExpand(lst, expander):
ret = []
for item in lst:
ret.extend(expander(item))
return ret
# Fully partition a string by separator 'sep'.
# Returns a list of strings:
# [ "first-element", sep, "second-element", sep, ... ]
# If 'keepEmpty' is True, empty elements are kept.
def strPartitionFull(string, sep, keepEmpty=True):
first, ret = True, []
for elem in string.split(sep):
if not first:
ret.append(sep)
if elem or keepEmpty:
ret.append(elem)
first = False
return ret
# Returns value, if value is a set.
# Returns a set with the elements of value, if value is a tuple.
# Returns a set with the elements of value, if value is a list.
# Otherwise returns a set with value as single element.
def toSet(value):
if isinstance(value, set):
return value
if isinstance(value, list) or\
isinstance(value, tuple):
return set(value)
return { value, }
def pivotDict(inDict):
outDict = {}
for key, value in dictItems(inDict):
if value in outDict:
raise KeyError("Ambiguous key in pivot dict")
outDict[value] = key
return outDict
# Get "Greatest Common Divisor"
def math_gcd(*args):
return reduce(compat_gcd, args)
# Get "Least Common Multiple"
def math_lcm(*args):
return reduce(lambda x, y: x * y // math_gcd(x, y),
args)
|
