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
|
import re
class OEList(list):
"""OpenEmbedded 'list' type
Acts as an ordinary list, but is constructed from a string value and a
separator (optional), and re-joins itself when converted to a string with
str(). Set the variable type flag to 'list' to use this type, and the
'separator' flag may be specified (defaulting to whitespace)."""
name = "list"
def __init__(self, value, separator = None):
if value is not None:
list.__init__(self, value.split(separator))
else:
list.__init__(self)
if separator is None:
self.separator = " "
else:
self.separator = separator
def __str__(self):
return self.separator.join(self)
def choice(value, choices):
"""OpenEmbedded 'choice' type
Acts as a multiple choice for the user. To use this, set the variable
type flag to 'choice', and set the 'choices' flag to a space separated
list of valid values."""
if not isinstance(value, basestring):
raise TypeError("choice accepts a string, not '%s'" % type(value))
value = value.lower()
choices = choices.lower()
if value not in choices.split():
raise ValueError("Invalid choice '%s'. Valid choices: %s" %
(value, choices))
return value
def regex(value, regexflags=None):
"""OpenEmbedded 'regex' type
Acts as a regular expression, returning the pre-compiled regular
expression pattern object. To use this type, set the variable type flag
to 'regex', and optionally, set the 'regexflags' type to a space separated
list of the flags to control the regular expression matching (e.g.
FOO[regexflags] += 'ignorecase'). See the python documentation on the
're' module for a list of valid flags."""
flagval = 0
if regexflags:
for flag in regexflags.split():
flag = flag.upper()
try:
flagval |= getattr(re, flag)
except AttributeError:
raise ValueError("Invalid regex flag '%s'" % flag)
try:
return re.compile(value, flagval)
except re.error, exc:
raise ValueError("Invalid regex value '%s': %s" %
(value, exc.args[0]))
def boolean(value):
"""OpenEmbedded 'boolean' type
Valid values for true: 'yes', 'y', 'true', 't', '1'
Valid values for false: 'no', 'n', 'false', 'f', '0'
"""
if not isinstance(value, basestring):
raise TypeError("boolean accepts a string, not '%s'" % type(value))
value = value.lower()
if value in ('yes', 'y', 'true', 't', '1'):
return True
elif value in ('no', 'n', 'false', 'f', '0'):
return False
raise ValueError("Invalid boolean value '%s'" % value)
def integer(value):
"""OpenEmbedded 'integer' type"""
return int(value)
|
