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
183
184
185
186
187
188
189
190
191
192
193
194
|
#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""class for handling configuration data files
Reads a .conf file and obtains its metadata
Copyright (C) 2003, 2004 Chris Larson
Copyright (C) 2003, 2004 Phil Blundell
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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA."""
import re, bb.data, os, sys
from bb import debug, fatal
#__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}]+)\s*(?P<colon>:)?(?P<ques>\?)?=\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}/]+)(\[(?P<flag>[a-zA-Z0-9\-_+.]+)\])?\s*((?P<colon>:=)|(?P<ques>\?=)|(?P<append>\+=)|(?P<prepend>=\+)|=)\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
__include_regexp__ = re.compile( r"include\s+(.+)" )
def init(data):
if not bb.data.getVar('TOPDIR', data):
bb.data.setVar('TOPDIR', os.getcwd(), data)
if not bb.data.getVar('BBPATH', data):
bb.data.setVar('BBPATH', os.path.join(sys.prefix, 'share', 'bitbake'))
def supports(fn, d):
return localpath(fn, d)[-5:] == ".conf"
def localpath(fn, d):
if os.path.exists(fn):
return fn
localfn = None
try:
localfn = bb.fetch.localpath(fn, d)
except bb.MalformedUrl:
pass
if not localfn:
localfn = fn
return localfn
def obtain(fn, data = {}):
import sys, bb
fn = bb.data.expand(fn, data)
localfn = bb.data.expand(localpath(fn, data), data)
if localfn != fn:
dldir = bb.data.getVar('DL_DIR', data, 1)
if not dldir:
debug(1, "obtain: DL_DIR not defined")
return localfn
bb.mkdirhier(dldir)
try:
bb.fetch.init([fn])
except bb.fetch.NoMethodError:
(type, value, traceback) = sys.exc_info()
debug(1, "obtain: no method: %s" % value)
return localfn
try:
bb.fetch.go(data)
except bb.fetch.MissingParameterError:
(type, value, traceback) = sys.exc_info()
debug(1, "obtain: missing parameters: %s" % value)
return localfn
except bb.fetch.FetchError:
(type, value, traceback) = sys.exc_info()
debug(1, "obtain: failed: %s" % value)
return localfn
return localfn
def include(oldfn, fn, data = {}):
if oldfn == fn: # prevent infinate recursion
return None
import bb
fn = bb.data.expand(fn, data)
oldfn = bb.data.expand(oldfn, data)
from bb.parse import handle
try:
ret = handle(fn, data, 1)
except IOError:
debug(2, "CONF file '%s' not found" % fn)
def handle(fn, data = {}, include = 0):
if include:
inc_string = "including"
else:
inc_string = "reading"
init(data)
if include == 0:
bb.data.inheritFromOS(data)
oldfile = None
else:
oldfile = bb.data.getVar('FILE', data)
fn = obtain(fn, data)
bbpath = []
if not os.path.isabs(fn):
f = None
vbbpath = bb.data.getVar("BBPATH", data)
if vbbpath:
bbpath += vbbpath.split(":")
for p in bbpath:
currname = os.path.join(bb.data.expand(p, data), fn)
if os.access(currname, os.R_OK):
f = open(currname, 'r')
abs_fn = currname
debug(1, "CONF %s %s" % (inc_string, currname))
break
if f is None:
raise IOError("file not found")
else:
f = open(fn,'r')
debug(1, "CONF %s %s" % (inc_string,fn))
abs_fn = fn
if include:
bb.parse.mark_dependency(data, abs_fn)
lineno = 0
bb.data.setVar('FILE', fn, data)
while 1:
lineno = lineno + 1
s = f.readline()
if not s: break
w = s.strip()
if not w: continue # skip empty lines
s = s.rstrip()
if s[0] == '#': continue # skip comments
while s[-1] == '\\':
s2 = f.readline()[:-1].strip()
lineno = lineno + 1
s = s[:-1] + s2
feeder(lineno, s, fn, data)
if oldfile:
bb.data.setVar('FILE', oldfile, data)
return data
def feeder(lineno, s, fn, data = {}):
m = __config_regexp__.match(s)
if m:
groupd = m.groupdict()
key = groupd["var"]
if "exp" in groupd and groupd["exp"] != None:
bb.data.setVarFlag(key, "export", 1, data)
if "ques" in groupd and groupd["ques"] != None:
val = bb.data.getVar(key, data)
if val == None:
val = groupd["value"]
elif "colon" in groupd and groupd["colon"] != None:
val = bb.data.expand(groupd["value"], data)
elif "append" in groupd and groupd["append"] != None:
val = "%s %s" % ((bb.data.getVar(key, data) or ""), groupd["value"])
elif "prepend" in groupd and groupd["prepend"] != None:
val = "%s %s" % (groupd["value"], (bb.data.getVar(key, data) or ""))
else:
val = groupd["value"]
if 'flag' in groupd and groupd['flag'] != None:
# bb.note("setVarFlag(%s, %s, %s, data)" % (key, groupd['flag'], val))
bb.data.setVarFlag(key, groupd['flag'], val, data)
else:
bb.data.setVar(key, val, data)
return
m = __include_regexp__.match(s)
if m:
s = bb.data.expand(m.group(1), data)
# debug(2, "CONF %s:%d: including %s" % (fn, lineno, s))
include(fn, s, data)
return
raise ParseError("%s:%d: unparsed line: '%s'" % (fn, lineno, s));
# Add us to the handlers list
from bb.parse import handlers
handlers.append({'supports': supports, 'handle': handle, 'init': init})
del handlers
|
