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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
try:
# Python 2
import commands as cmdstatus
except ImportError:
# Python 3
import subprocess as cmdstatus
def read_file(filename):
try:
f = open( filename, "r" )
except IOError as reason:
return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
else:
data = f.read().strip()
f.close()
return data
return None
def ifelse(condition, iftrue = True, iffalse = False):
if condition:
return iftrue
else:
return iffalse
def conditional(variable, checkvalue, truevalue, falsevalue, d):
if d.getVar(variable,1) == checkvalue:
return truevalue
else:
return falsevalue
def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
if float(d.getVar(variable,1)) <= float(checkvalue):
return truevalue
else:
return falsevalue
def version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
result = bb.utils.vercmp_string(d.getVar(variable,True), checkvalue)
if result <= 0:
return truevalue
else:
return falsevalue
def both_contain(variable1, variable2, checkvalue, d):
if d.getVar(variable1,1).find(checkvalue) != -1 and d.getVar(variable2,1).find(checkvalue) != -1:
return checkvalue
else:
return ""
def prune_suffix(var, suffixes, d):
# See if var ends with any of the suffixes listed and
# remove it if found
for suffix in suffixes:
if var.endswith(suffix):
var = var.replace(suffix, "")
prefix = d.getVar("MLPREFIX", True)
if prefix and var.startswith(prefix):
var = var.replace(prefix, "")
return var
def str_filter(f, str, d):
from re import match
return " ".join(filter(lambda x: match(f, x, 0), str.split()))
def str_filter_out(f, str, d):
from re import match
return " ".join(filter(lambda x: not match(f, x, 0), str.split()))
def param_bool(cfg, field, dflt = None):
"""Lookup <field> in <cfg> map and convert it to a boolean; take
<dflt> when this <field> does not exist"""
value = cfg.get(field, dflt)
strvalue = str(value).lower()
if strvalue in ('yes', 'y', 'true', 't', '1'):
return True
elif strvalue in ('no', 'n', 'false', 'f', '0'):
return False
raise ValueError("invalid value for boolean parameter '%s': '%s'" % (field, value))
def inherits(d, *classes):
"""Return True if the metadata inherits any of the specified classes"""
return any(bb.data.inherits_class(cls, d) for cls in classes)
def features_backfill(var,d):
# This construct allows the addition of new features to variable specified
# as var
# Example for var = "DISTRO_FEATURES"
# This construct allows the addition of new features to DISTRO_FEATURES
# that if not present would disable existing functionality, without
# disturbing distributions that have already set DISTRO_FEATURES.
# Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
# add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
features = (d.getVar(var, True) or "").split()
backfill = (d.getVar(var+"_BACKFILL", True) or "").split()
considered = (d.getVar(var+"_BACKFILL_CONSIDERED", True) or "").split()
addfeatures = []
for feature in backfill:
if feature not in features and feature not in considered:
addfeatures.append(feature)
if addfeatures:
d.appendVar(var, " " + " ".join(addfeatures))
def packages_filter_out_system(d):
"""
Return a list of packages from PACKAGES with the "system" packages such as
PN-dbg PN-doc PN-locale-eb-gb removed.
"""
pn = d.getVar('PN', True)
blacklist = map(lambda suffix: pn + suffix, ('', '-dbg', '-dev', '-doc', '-locale', '-staticdev'))
localepkg = pn + "-locale-"
pkgs = []
for pkg in d.getVar('PACKAGES', True).split():
if pkg not in blacklist and localepkg not in pkg:
pkgs.append(pkg)
return pkgs
def getstatusoutput(cmd):
return cmdstatus.getstatusoutput(cmd)
def trim_version(version, num_parts=2):
"""
Return just the first <num_parts> of <version>, split by periods. For
example, trim_version("1.2.3", 2) will return "1.2".
"""
if type(version) is not str:
raise TypeError("Version should be a string")
if num_parts < 1:
raise ValueError("Cannot split to parts < 1")
parts = version.split(".")
trimmed = ".".join(parts[:num_parts])
return trimmed
def cpu_count():
import multiprocessing
return multiprocessing.cpu_count()
def execute_pre_post_process(d, cmds):
if cmds is None:
return
for cmd in cmds.strip().split(';'):
cmd = cmd.strip()
if cmd != '':
bb.note("Executing %s ..." % cmd)
bb.build.exec_func(cmd, d)
def multiprocess_exec(commands, function):
import signal
import multiprocessing
if not commands:
return []
def init_worker():
signal.signal(signal.SIGINT, signal.SIG_IGN)
nproc = min(multiprocessing.cpu_count(), len(commands))
pool = bb.utils.multiprocessingpool(nproc, init_worker)
imap = pool.imap(function, commands)
try:
results = list(imap)
pool.close()
pool.join()
results = []
for result in results:
if result is not None:
results.append(result)
return results
except KeyboardInterrupt:
pool.terminate()
pool.join()
raise
|
