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
195
|
#!/usr/bin/python
# Copyright John Dennis, jdennis@redhat.com
import getopt
import os
import re
import sys
#-------------------------------------------------------------------------------
prog_name = os.path.basename(sys.argv[0])
config = {
'recursive' : False,
'list-containing' : False,
'list-files' : False,
}
block_comment_re = re.compile(r'/\*.*?\*/', re.MULTILINE | re.DOTALL)
line_comment_re = re.compile(r'//.*$', re.MULTILINE)
import_re = re.compile(r'^\s*\bimport\s+([^ \t\n;]+)\s*;', re.MULTILINE)
exclude_patterns = []
exclude_regexps = []
#-------------------------------------------------------------------------------
def filter_files(java_files):
filtered_files = []
for path in java_files:
filtered = False
for regexp in exclude_regexps:
if regexp.search(path):
filtered = True
break
if not filtered:
filtered_files.append(path)
return filtered_files
def find_java_files(path):
java_files = []
if os.path.isfile(path):
if path.endswith(".java"):
java_files.append(path)
elif os.path.isdir(path):
if config['recursive']:
for dir, dirs, files in os.walk(path):
for file in files:
if file.endswith(".java"):
pathname = os.path.join(dir,file)
java_files.append(pathname)
else:
print path
for file in os.listdir(path):
print file
if file.endswith(".java"):
pathname = os.path.join(path,file)
java_files.append(pathname)
return java_files
def get_imports(pathname, imports):
# Get the text of the file
f = open(pathname)
text = f.read()
f.close()
# Nuke all comments
text = line_comment_re.sub('', text)
text = block_comment_re.sub('', text)
for match in import_re.finditer(text):
import_string = match.group(1)
import_locations = imports.setdefault(import_string, {})
import_locations[pathname] = None
#-------------------------------------------------------------------------------
class Usage(Exception):
def __init__(self, msg):
self.msg = msg
def usage():
'Command help.'
return '''\
%(prog_name)s path [path ...]
-h --help print help
-c --list-containing show source file where each import statement occurs
-r --recursive scan directory contents recursively
-l --list-files list the java files found
-x --exclude exclude from the file list any file matching this
regular expression. May be specified multiple times.
Examples:
# Find all imports in directory ~/src/myproject/subsystem
%(prog_name)s ~/src/myproject/subsytem
# Find all imports in and below ~/src/myproject
%(prog_name)s -r ~/src/myproject
# Find all imports in and below ~/src/myproject
# excluding any in a test directory
%(prog_name)s -x /test/ -r ~/src/myproject
''' % {'prog_name' : prog_name,
}
#-------------------------------------------------------------------------------
def main(argv=None):
if argv is None:
argv = sys.argv
try:
try:
opts, args = getopt.getopt(argv[1:], 'hrclx:',
['help', 'recursive',
'list-containing', 'list-files',
'exclude='])
except getopt.GetoptError, err:
print >>sys.stderr, str(err) # will print something like 'option -a not recognized'
usage()
return 2
for o, a in opts:
if o in ('-h', '--help'):
print >>sys.stdout, usage()
return 0
elif o in ('-r', '--recursive'):
config['recursive'] = True
elif o in ('-c', '--list-containing'):
config['list-containing'] = True
elif o in ('-l', '--list-files'):
config['list-files'] = True
elif o in ('-x', '--exclude'):
exclude_patterns.append(a)
else:
raise Usage("command argument '%s' not handled, internal error" % o)
except Usage, e:
print >>sys.stderr, e.msg
print >>sys.stderr, "for help use --help"
return 2
for pat in exclude_patterns:
try:
regexp = re.compile(pat)
exclude_regexps.append(regexp)
except Exception, e:
print >>sys.stderr, "ERROR, cannot compile exclude pattern '%s' (%s)" % (pat, e)
return 1
java_files = []
for path in args:
java_files.extend(find_java_files(path))
java_files = filter_files(java_files)
if config['list-files']:
print "\n".join(java_files)
return 0
imports = {}
for java_file in java_files:
get_imports(java_file, imports)
import_strings = imports.keys()
import_strings.sort()
if not config['list-containing']:
print "\n".join(import_strings)
else:
for import_string in import_strings:
print import_string
locations = imports[import_string].keys()
locations.sort()
for location in locations:
print " %s" % location
return 0
#-------------------------------------------------------------------------------
if __name__ == '__main__':
sys.exit(main())
|
