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
|
"""
BitBake Parsers
File parsers for the BitBake build tools.
"""
# 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 version 2 as
# published by the Free Software Foundation.
#
# 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.
#
# Based on functions from the base bb module, Copyright 2003 Holger Schurig
handlers = []
import os
import stat
import logging
import bb
import bb.utils
import bb.siggen
logger = logging.getLogger("BitBake.Parsing")
class ParseError(Exception):
"""Exception raised when parsing fails"""
def __init__(self, msg, filename, lineno=0):
self.msg = msg
self.filename = filename
self.lineno = lineno
Exception.__init__(self, msg, filename, lineno)
def __str__(self):
if self.lineno:
return "ParseError at %s:%d: %s" % (self.filename, self.lineno, self.msg)
else:
return "ParseError in %s: %s" % (self.filename, self.msg)
class SkipPackage(Exception):
"""Exception raised to skip this package"""
__mtime_cache = {}
def cached_mtime(f):
if f not in __mtime_cache:
__mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
return __mtime_cache[f]
def cached_mtime_noerror(f):
if f not in __mtime_cache:
try:
__mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
except OSError:
return 0
return __mtime_cache[f]
def update_mtime(f):
__mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
return __mtime_cache[f]
def mark_dependency(d, f):
if f.startswith('./'):
f = "%s/%s" % (os.getcwd(), f[2:])
deps = d.getVar('__depends') or set()
deps.update([(f, cached_mtime(f))])
d.setVar('__depends', deps)
def supports(fn, data):
"""Returns true if we have a handler for this file, false otherwise"""
for h in handlers:
if h['supports'](fn, data):
return 1
return 0
def handle(fn, data, include = 0):
"""Call the handler that is appropriate for this file"""
for h in handlers:
if h['supports'](fn, data):
return h['handle'](fn, data, include)
raise ParseError("not a BitBake file", fn)
def init(fn, data):
for h in handlers:
if h['supports'](fn):
return h['init'](data)
def init_parser(d):
bb.parse.siggen = bb.siggen.init(d)
def resolve_file(fn, d):
if not os.path.isabs(fn):
bbpath = d.getVar("BBPATH", True)
newfn = bb.utils.which(bbpath, fn)
if not newfn:
raise IOError("file %s not found in %s" % (fn, bbpath))
fn = newfn
logger.debug(2, "LOAD %s", fn)
return fn
# Used by OpenEmbedded metadata
__pkgsplit_cache__={}
def vars_from_file(mypkg, d):
if not mypkg:
return (None, None, None)
if mypkg in __pkgsplit_cache__:
return __pkgsplit_cache__[mypkg]
myfile = os.path.splitext(os.path.basename(mypkg))
parts = myfile[0].split('_')
__pkgsplit_cache__[mypkg] = parts
if len(parts) > 3:
raise ParseError("Unable to generate default variables from filename (too many underscores)", mypkg)
exp = 3 - len(parts)
tmplist = []
while exp != 0:
exp -= 1
tmplist.append(None)
parts.extend(tmplist)
return parts
def get_file_depends(d):
'''Return the dependent files'''
dep_files = []
depends = d.getVar('__depends', True) or set()
depends = depends.union(d.getVar('__base_depends', True) or set())
for (fn, _) in depends:
dep_files.append(os.path.abspath(fn))
return " ".join(dep_files)
from bb.parse.parse_py import __version__, ConfHandler, BBHandler
|
