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
|
#!/usr/bin/env python3
# Copyright 2021-2022 The Mumble Developers. All rights reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file at the root of the
# Mumble source tree or at <https://www.mumble.info/LICENSE>.
import argparse
import os
import platform
import subprocess
import datetime
from string import Template
import re
def cmd(args):
shell = platform.system() == 'Windows'
p = subprocess.Popen(args, shell=shell, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if p.returncode != 0:
raise Exception('cmd(): {0} failed with status {1}: {2}'.format(args, p.returncode, stderr))
return stdout.decode('utf-8')
licenseHeaderTemplate = Template(
"""${commentChar} Copyright ${copyright} The Mumble Developers. All rights reserved.
${commentChar} Use of this source code is governed by a BSD-style license
${commentChar} that can be found in the LICENSE file at the root of the
${commentChar} Mumble source tree or at <https://www.mumble.info/LICENSE>.""")
blackListFiles = []
class InvalidFileError(Exception):
pass
class LicenseNotFoundError(Exception):
pass
def generateHeaderForFile(filePath):
if filePath in blackListFiles:
raise InvalidFileError("File is blacklisted: \"" + filePath + "\"")
fileName = os.path.basename(filePath)
extension = os.path.splitext(fileName)[-1]
commentChar = None
if extension in [".cpp", ".c", ".h", ".hpp", ".cs", ".ice", ".proto", ".mm", ".vs", ".m", ".ps", ".hlsl", ".fx"]:
commentChar = "//"
elif extension in [".bash", ".sh", ".py", ".yaml", ".yml", ".ps1", ".pl", ".cmake", ".rb", ".init"] or fileName == "CMakeLists.txt":
commentChar = "#"
elif extension in [".bat", ".cmd"]:
commentChar = "::"
if commentChar is None:
raise InvalidFileError("Can't handle extension: \"" + extension + "\"")
# Get file's creation date
creationDateStr = cmd(["git", "log", "--diff-filter=A", "--format=%ci", "-1", "--", filePath]).strip()
if not creationDateStr:
raise InvalidFileError("File not in git index: \"" + filePath + "\"")
# We only need the day, month and year
creationDate = datetime.datetime.fromisoformat(creationDateStr.split()[0])
copyright = None
if creationDate.year == datetime.datetime.today().year:
copyright = str(creationDate.year)
else:
copyright = str(creationDate.year) + "-" + str(datetime.datetime.today().year)
return licenseHeaderTemplate.substitute(commentChar=commentChar, copyright=copyright)
def findCopyright(content, pattern):
match = re.search(pattern, content)
if match:
return (match.start(), match.end())
else:
raise LicenseNotFoundError()
def exclude(path, excludes):
for current in excludes:
if path.startswith(current):
return True
return False
def main():
parser = argparse.ArgumentParser(description="Updates (and adds) license headers of the Mumble source files")
parser.add_argument("-a", "--add-new", action="store_true", default=False, help="Also add license headers to files that did not contain one before")
args = parser.parse_args()
scriptDir = os.path.dirname(os.path.realpath(__file__))
rootDir = os.path.realpath(os.path.join(scriptDir, ".."))
excludePaths = ["build", "docs", "3rdparty", "3rdPartylLicenses", "themes", ".git", "man"]
for i in range(len(excludePaths)):
excludePaths[i] = os.path.join(rootDir, excludePaths[i])
for i in range(len(blackListFiles)):
blackListFiles[i] = os.path.join(rootDir, blackListFiles[i])
# Convert the license template into a pattern that matches the license declaration inside the source files
licensePattern = re.compile(licenseHeaderTemplate.substitute(copyright="\d+(-\d+)?", commentChar=".+?").strip().replace("\n", "\\r?\\n").replace(" ",
"\\s*"), re.IGNORECASE)
modifiedFiles = 0
for root, dirs, files in os.walk(rootDir, topdown = True):
for currentFile in files:
fullPath = os.path.join(root, currentFile)
if exclude(fullPath, excludePaths):
continue
try:
generatedCopyright = generateHeaderForFile(fullPath)
fileHandle = open(fullPath, "r")
fileContent = fileHandle.read()
try:
start,end = findCopyright(fileContent, licensePattern)
except LicenseNotFoundError:
# no license yet
if not args.add_new:
print("No license header found for", fullPath)
continue
else:
print("Adding license header to", fullPath)
if not fileContent.startswith("#!"):
# File does not start with shebang -> write license to the top
start = 0
end = 0
generatedCopyright += "\n\n"
else:
# File starts with shebang -> append license after the first line (and add
# an extra blank line)
start = fileContent.find("\n") + 1
assert start > 0
end = start
generatedCopyright = "\n" + generatedCopyright + "\n\n"
modifiedContent = fileContent[ : start] + generatedCopyright + fileContent[end : ]
if modifiedContent != fileContent:
fileHandle.close()
# Open for writing
fileHandle = open(fullPath, "w")
modifiedFiles += 1
fileHandle.write(modifiedContent)
except InvalidFileError:
continue
print("Modified {} files".format(modifiedFiles))
if __name__ == "__main__":
main()
|
