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
|
#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2015 The Qt Company Ltd.
## Contact: http://www.qt.io/licensing
##
## This file is part of Qt Creator.
##
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms and
## conditions see http://www.qt.io/terms-conditions. For further information
## use the contact form at http://www.qt.io/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 2.1 or version 3 as published by the Free
## Software Foundation and appearing in the file LICENSE.LGPLv21 and
## LICENSE.LGPLv3 included in the packaging of this file. Please review the
## following information to ensure the GNU Lesser General Public License
## requirements will be met: https://www.gnu.org/licenses/lgpl.html and
# http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, The Qt Company gives you certain additional
## rights. These rights are described in The Qt Company LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
#############################################################################
import os
import sys
import tokenize
from optparse import OptionParser
from toolfunctions import checkDirectory
from toolfunctions import getFileContent
objMap = None
lastToken = [None, None]
stopTokens = ('OP', 'NAME', 'NUMBER', 'ENDMARKER')
def parseCommandLine():
global directory, onlyRemovable
parser = OptionParser("\n%prog [OPTIONS] [DIRECTORY]")
parser.add_option("-o", "--only-removable", dest="onlyRemovable",
action="store_true", default=False,
help="list removable objects only")
(options, args) = parser.parse_args()
if len(args) == 0:
directory = os.path.abspath(".")
elif len(args) == 1:
directory = os.path.abspath(args[0])
else:
print "\nERROR: Too many arguments\n"
parser.print_help()
sys.exit(1)
onlyRemovable = options.onlyRemovable
def collectObjects():
global objMap
data = getFileContent(objMap)
return map(lambda x: x.strip().split("\t", 1)[0], data.strip().splitlines())
def handleStringsWithTrailingBackSlash(origStr):
try:
while True:
index = origStr.index("\\\n")
origStr = origStr[:index] + origStr[index+2:].lstrip()
except:
return origStr
def handle_token(tokenType, token, (startRow, startCol), (endRow, endCol), line):
global useCounts, lastToken, stopTokens
if tokenize.tok_name[tokenType] == 'STRING':
# concatenate strings followed directly by other strings
if lastToken[0] == 'STRING':
token = "'" + lastToken[1][1:-1] + str(token)[1:-1] + "'"
# store the new string as lastToken after removing potential trailing backslashes
# (including their following indentation)
lastToken = ['STRING' , handleStringsWithTrailingBackSlash(str(token))]
# if a stop token occurs check the potential string before it
elif tokenize.tok_name[tokenType] in stopTokens:
if lastToken[0] == 'STRING':
for obj in useCounts:
useCounts[obj] += lastToken[1].count("'%s'" % obj)
useCounts[obj] += lastToken[1].count('"%s"' % obj)
# store the stop token as lastToken
lastToken = [tokenize.tok_name[tokenType], str(token)]
def handleDataFiles(openFile, separator):
global useCounts
# ignore header line
openFile.readline()
for line in openFile:
currentTokens = line.split(separator)
for token in currentTokens:
stripped = token.strip().strip('"')
if stripped in useCounts:
useCounts[stripped] = useCounts[stripped] + 1
def findUsages():
global directory, objMap
suffixes = (".py", ".csv", ".tsv")
for root, dirnames, filenames in os.walk(directory):
for filename in filter(lambda x: x.endswith(suffixes), filenames):
currentFile = open(os.path.join(root, filename))
if filename.endswith(".py"):
tokenize.tokenize(currentFile.readline, handle_token)
elif filename.endswith(".csv"):
handleDataFiles(currentFile, ",")
elif filename.endswith(".tsv"):
handleDataFiles(currentFile, "\t")
currentFile.close()
currentFile = open(objMap)
tokenize.tokenize(currentFile.readline, handle_token)
currentFile.close()
def printResult():
global useCounts, onlyRemovable
print
if onlyRemovable:
if min(useCounts.values()) > 0:
print "All objects are used once at least.\n"
return False
print "Unused objects:\n"
for obj in filter(lambda x: useCounts[x] == 0, useCounts):
print "%s" % obj
return True
else:
length = max(map(len, useCounts.keys()))
outFormat = "%%%ds %%3d" % length
for obj,useCount in useCounts.iteritems():
print outFormat % (obj, useCount)
print
return None
def main():
global useCounts, objMap
objMap = checkDirectory(directory)
useCounts = dict.fromkeys(collectObjects(), 0)
findUsages()
atLeastOneRemovable = printResult()
if atLeastOneRemovable:
print "\nAfter removing the listed objects you should re-run this tool"
print "to find objects that might have been used only by these objects.\n"
return 0
if __name__ == '__main__':
parseCommandLine()
sys.exit(main())
|
