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-rwxr-xr-xscripts/contrib/bbvars.py186
1 files changed, 186 insertions, 0 deletions
diff --git a/scripts/contrib/bbvars.py b/scripts/contrib/bbvars.py
new file mode 100755
index 0000000000..0896d64445
--- /dev/null
+++ b/scripts/contrib/bbvars.py
@@ -0,0 +1,186 @@
1#!/usr/bin/env python
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 2 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program; if not, write to the Free Software
15# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16#
17# Copyright (C) Darren Hart <dvhart@linux.intel.com>, 2010
18
19
20import sys
21import getopt
22import os
23import os.path
24import re
25
26def usage():
27 print 'Usage: %s -d FILENAME [-d FILENAME]* -m METADIR [-m MATADIR]*' % os.path.basename(sys.argv[0])
28 print ' -d FILENAME documentation file to search'
29 print ' -h, --help display this help and exit'
30 print ' -m METADIR meta directory to search for recipes'
31 print ' -t FILENAME documentation config file (for doc tags)'
32 print ' -T Only display variables with doc tags (requires -t)'
33
34def recipe_bbvars(recipe):
35 ''' Return a unique set of every bbvar encountered in the recipe '''
36 prog = re.compile("[A-Z_]+")
37 vset = set()
38 try:
39 r = open(recipe)
40 except IOError as (errno, strerror):
41 print 'WARNING: Failed to open recipe ', recipe
42 print strerror
43
44 for line in r:
45 # Strip any comments from the line
46 line = line.rsplit('#')[0]
47 vset = vset.union(set(prog.findall(line)))
48 r.close()
49
50 bbvars = {}
51 for v in vset:
52 bbvars[v] = 1
53
54 return bbvars
55
56def collect_bbvars(metadir):
57 ''' Walk the metadir and collect the bbvars from each recipe found '''
58 bbvars = {}
59 for root,dirs,files in os.walk(metadir):
60 for name in files:
61 if name.find(".bb") >= 0:
62 for key in recipe_bbvars(os.path.join(root,name)).iterkeys():
63 if bbvars.has_key(key):
64 bbvars[key] = bbvars[key] + 1
65 else:
66 bbvars[key] = 1
67 return bbvars
68
69def bbvar_is_documented(var, docfiles):
70 prog = re.compile(".*($|[^A-Z_])%s([^A-Z_]|$)" % (var))
71 for doc in docfiles:
72 try:
73 f = open(doc)
74 except IOError as (errno, strerror):
75 print 'WARNING: Failed to open doc ', doc
76 print strerror
77 for line in f:
78 if prog.match(line):
79 return True
80 f.close()
81 return False
82
83def bbvar_doctag(var, docconf):
84 prog = re.compile('^%s\[doc\] *= *"(.*)"' % (var))
85 if docconf == "":
86 return "?"
87
88 try:
89 f = open(docconf)
90 except IOError as (errno, strerror):
91 return strerror
92
93 for line in f:
94 m = prog.search(line)
95 if m:
96 return m.group(1)
97
98 f.close()
99 return ""
100
101def main():
102 docfiles = []
103 metadirs = []
104 bbvars = {}
105 undocumented = []
106 docconf = ""
107 onlydoctags = False
108
109 # Collect and validate input
110 try:
111 opts, args = getopt.getopt(sys.argv[1:], "d:hm:t:T", ["help"])
112 except getopt.GetoptError, err:
113 print '%s' % str(err)
114 usage()
115 sys.exit(2)
116
117 for o, a in opts:
118 if o in ('-h', '--help'):
119 usage()
120 sys.exit(0)
121 elif o == '-d':
122 if os.path.isfile(a):
123 docfiles.append(a)
124 else:
125 print 'ERROR: documentation file %s is not a regular file' % (a)
126 sys.exit(3)
127 elif o == '-m':
128 if os.path.isdir(a):
129 metadirs.append(a)
130 else:
131 print 'ERROR: meta directory %s is not a directory' % (a)
132 sys.exit(4)
133 elif o == "-t":
134 if os.path.isfile(a):
135 docconf = a
136 elif o == "-T":
137 onlydoctags = True
138 else:
139 assert False, "unhandled option"
140
141 if len(docfiles) == 0:
142 print 'ERROR: no docfile specified'
143 usage()
144 sys.exit(5)
145
146 if len(metadirs) == 0:
147 print 'ERROR: no metadir specified'
148 usage()
149 sys.exit(6)
150
151 if onlydoctags and docconf == "":
152 print 'ERROR: no docconf specified'
153 usage()
154 sys.exit(7)
155
156 # Collect all the variable names from the recipes in the metadirs
157 for m in metadirs:
158 for key,cnt in collect_bbvars(m).iteritems():
159 if bbvars.has_key(key):
160 bbvars[key] = bbvars[key] + cnt
161 else:
162 bbvars[key] = cnt
163
164 # Check each var for documentation
165 varlen = 0
166 for v in bbvars.iterkeys():
167 if len(v) > varlen:
168 varlen = len(v)
169 if not bbvar_is_documented(v, docfiles):
170 undocumented.append(v)
171 undocumented.sort()
172 varlen = varlen + 1
173
174 # Report all undocumented variables
175 print 'Found %d undocumented bb variables (out of %d):' % (len(undocumented), len(bbvars))
176 header = '%s%s%s' % (str("VARIABLE").ljust(varlen), str("COUNT").ljust(6), str("DOCTAG").ljust(7))
177 print header
178 print str("").ljust(len(header), '=')
179 for v in undocumented:
180 doctag = bbvar_doctag(v, docconf)
181 if not onlydoctags or not doctag == "":
182 print '%s%s%s' % (v.ljust(varlen), str(bbvars[v]).ljust(6), doctag)
183
184
185if __name__ == "__main__":
186 main()