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-rw-r--r--bitbake-dev/lib/bb/parse/parse_py/ConfHandler.py241
1 files changed, 0 insertions, 241 deletions
diff --git a/bitbake-dev/lib/bb/parse/parse_py/ConfHandler.py b/bitbake-dev/lib/bb/parse/parse_py/ConfHandler.py
deleted file mode 100644
index 23316ada58..0000000000
--- a/bitbake-dev/lib/bb/parse/parse_py/ConfHandler.py
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@@ -1,241 +0,0 @@
1#!/usr/bin/env python
2# ex:ts=4:sw=4:sts=4:et
3# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
4"""
5 class for handling configuration data files
6
7 Reads a .conf file and obtains its metadata
8
9"""
10
11# Copyright (C) 2003, 2004 Chris Larson
12# Copyright (C) 2003, 2004 Phil Blundell
13#
14# This program is free software; you can redistribute it and/or modify
15# it under the terms of the GNU General Public License version 2 as
16# published by the Free Software Foundation.
17#
18# This program is distributed in the hope that it will be useful,
19# but WITHOUT ANY WARRANTY; without even the implied warranty of
20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21# GNU General Public License for more details.
22#
23# You should have received a copy of the GNU General Public License along
24# with this program; if not, write to the Free Software Foundation, Inc.,
25# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26
27import re, bb.data, os, sys
28from bb.parse import ParseError
29
30#__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}]+)\s*(?P<colon>:)?(?P<ques>\?)?=\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
31__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>=\+)|(?P<predot>=\.)|(?P<postdot>\.=)|=)\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
32__include_regexp__ = re.compile( r"include\s+(.+)" )
33__require_regexp__ = re.compile( r"require\s+(.+)" )
34__export_regexp__ = re.compile( r"export\s+(.+)" )
35
36def init(data):
37 topdir = bb.data.getVar('TOPDIR', data)
38 if not topdir:
39 topdir = os.getcwd()
40 bb.data.setVar('TOPDIR', topdir, data)
41 if not bb.data.getVar('BBPATH', data):
42 from pkg_resources import Requirement, resource_filename
43 bitbake = Requirement.parse("bitbake")
44 datadir = resource_filename(bitbake, "../share/bitbake")
45 basedir = resource_filename(bitbake, "..")
46 bb.data.setVar('BBPATH', '%s:%s:%s' % (topdir, datadir, basedir), data)
47
48
49def supports(fn, d):
50 return localpath(fn, d)[-5:] == ".conf"
51
52def localpath(fn, d):
53 if os.path.exists(fn):
54 return fn
55
56 if "://" not in fn:
57 return fn
58
59 localfn = None
60 try:
61 localfn = bb.fetch.localpath(fn, d, False)
62 except bb.MalformedUrl:
63 pass
64
65 if not localfn:
66 return fn
67 return localfn
68
69def obtain(fn, data):
70 import sys, bb
71 fn = bb.data.expand(fn, data)
72 localfn = bb.data.expand(localpath(fn, data), data)
73
74 if localfn != fn:
75 dldir = bb.data.getVar('DL_DIR', data, 1)
76 if not dldir:
77 bb.msg.debug(1, bb.msg.domain.Parsing, "obtain: DL_DIR not defined")
78 return localfn
79 bb.mkdirhier(dldir)
80 try:
81 bb.fetch.init([fn], data)
82 except bb.fetch.NoMethodError:
83 (type, value, traceback) = sys.exc_info()
84 bb.msg.debug(1, bb.msg.domain.Parsing, "obtain: no method: %s" % value)
85 return localfn
86
87 try:
88 bb.fetch.go(data)
89 except bb.fetch.MissingParameterError:
90 (type, value, traceback) = sys.exc_info()
91 bb.msg.debug(1, bb.msg.domain.Parsing, "obtain: missing parameters: %s" % value)
92 return localfn
93 except bb.fetch.FetchError:
94 (type, value, traceback) = sys.exc_info()
95 bb.msg.debug(1, bb.msg.domain.Parsing, "obtain: failed: %s" % value)
96 return localfn
97 return localfn
98
99
100def include(oldfn, fn, data, error_out):
101 """
102
103 error_out If True a ParseError will be reaised if the to be included
104 """
105 if oldfn == fn: # prevent infinate recursion
106 return None
107
108 import bb
109 fn = bb.data.expand(fn, data)
110 oldfn = bb.data.expand(oldfn, data)
111
112 if not os.path.isabs(fn):
113 dname = os.path.dirname(oldfn)
114 bbpath = "%s:%s" % (dname, bb.data.getVar("BBPATH", data, 1))
115 abs_fn = bb.which(bbpath, fn)
116 if abs_fn:
117 fn = abs_fn
118
119 from bb.parse import handle
120 try:
121 ret = handle(fn, data, True)
122 except IOError:
123 if error_out:
124 raise ParseError("Could not %(error_out)s file %(fn)s" % vars() )
125 bb.msg.debug(2, bb.msg.domain.Parsing, "CONF file '%s' not found" % fn)
126
127def handle(fn, data, include = 0):
128 if include:
129 inc_string = "including"
130 else:
131 inc_string = "reading"
132 init(data)
133
134 if include == 0:
135 oldfile = None
136 else:
137 oldfile = bb.data.getVar('FILE', data)
138
139 fn = obtain(fn, data)
140 if not os.path.isabs(fn):
141 f = None
142 bbpath = bb.data.getVar("BBPATH", data, 1) or []
143 for p in bbpath.split(":"):
144 currname = os.path.join(p, fn)
145 if os.access(currname, os.R_OK):
146 f = open(currname, 'r')
147 abs_fn = currname
148 bb.msg.debug(2, bb.msg.domain.Parsing, "CONF %s %s" % (inc_string, currname))
149 break
150 if f is None:
151 raise IOError("file '%s' not found" % fn)
152 else:
153 f = open(fn,'r')
154 bb.msg.debug(1, bb.msg.domain.Parsing, "CONF %s %s" % (inc_string,fn))
155 abs_fn = fn
156
157 if include:
158 bb.parse.mark_dependency(data, abs_fn)
159
160 lineno = 0
161 bb.data.setVar('FILE', fn, data)
162 while 1:
163 lineno = lineno + 1
164 s = f.readline()
165 if not s: break
166 w = s.strip()
167 if not w: continue # skip empty lines
168 s = s.rstrip()
169 if s[0] == '#': continue # skip comments
170 while s[-1] == '\\':
171 s2 = f.readline()[:-1].strip()
172 lineno = lineno + 1
173 s = s[:-1] + s2
174 feeder(lineno, s, fn, data)
175
176 if oldfile:
177 bb.data.setVar('FILE', oldfile, data)
178 return data
179
180def feeder(lineno, s, fn, data):
181 def getFunc(groupd, key, data):
182 if 'flag' in groupd and groupd['flag'] != None:
183 return bb.data.getVarFlag(key, groupd['flag'], data)
184 else:
185 return bb.data.getVar(key, data)
186
187 m = __config_regexp__.match(s)
188 if m:
189 groupd = m.groupdict()
190 key = groupd["var"]
191 if "exp" in groupd and groupd["exp"] != None:
192 bb.data.setVarFlag(key, "export", 1, data)
193 if "ques" in groupd and groupd["ques"] != None:
194 val = getFunc(groupd, key, data)
195 if val == None:
196 val = groupd["value"]
197 elif "colon" in groupd and groupd["colon"] != None:
198 e = data.createCopy()
199 bb.data.update_data(e)
200 val = bb.data.expand(groupd["value"], e)
201 elif "append" in groupd and groupd["append"] != None:
202 val = "%s %s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
203 elif "prepend" in groupd and groupd["prepend"] != None:
204 val = "%s %s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
205 elif "postdot" in groupd and groupd["postdot"] != None:
206 val = "%s%s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
207 elif "predot" in groupd and groupd["predot"] != None:
208 val = "%s%s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
209 else:
210 val = groupd["value"]
211 if 'flag' in groupd and groupd['flag'] != None:
212 bb.msg.debug(3, bb.msg.domain.Parsing, "setVarFlag(%s, %s, %s, data)" % (key, groupd['flag'], val))
213 bb.data.setVarFlag(key, groupd['flag'], val, data)
214 else:
215 bb.data.setVar(key, val, data)
216 return
217
218 m = __include_regexp__.match(s)
219 if m:
220 s = bb.data.expand(m.group(1), data)
221 bb.msg.debug(3, bb.msg.domain.Parsing, "CONF %s:%d: including %s" % (fn, lineno, s))
222 include(fn, s, data, False)
223 return
224
225 m = __require_regexp__.match(s)
226 if m:
227 s = bb.data.expand(m.group(1), data)
228 include(fn, s, data, "include required")
229 return
230
231 m = __export_regexp__.match(s)
232 if m:
233 bb.data.setVarFlag(m.group(1), "export", 1, data)
234 return
235
236 raise ParseError("%s:%d: unparsed line: '%s'" % (fn, lineno, s));
237
238# Add us to the handlers list
239from bb.parse import handlers
240handlers.append({'supports': supports, 'handle': handle, 'init': init})
241del handlers