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
196
197
198
199
200
201
202
203
204
205
|
#!/usr/bin/env python
# Copyright 2018 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import argparse
import datetime
import difflib
import glob
import os
import re
import sys
# list all the files contain a shebang line and should be ignored by this
# script
SKIP_FILES = ['hack/boilerplate/boilerplate.py']
parser = argparse.ArgumentParser()
parser.add_argument(
"filenames",
help="list of files to check, all files if unspecified",
nargs='*')
rootdir = os.path.dirname(__file__) + "/../../"
rootdir = os.path.abspath(rootdir)
parser.add_argument(
"--rootdir", default=rootdir, help="root directory to examine")
default_boilerplate_dir = os.path.join(rootdir, "hack/boilerplate")
parser.add_argument(
"--boilerplate-dir", default=default_boilerplate_dir)
parser.add_argument(
"-v", "--verbose",
help="give verbose output regarding why a file does not pass",
action="store_true")
args = parser.parse_args()
verbose_out = sys.stderr if args.verbose else open("/dev/null", "w")
def get_refs():
refs = {}
for path in glob.glob(os.path.join(
args.boilerplate_dir, "boilerplate.*.txt")):
extension = os.path.basename(path).split(".")[1]
ref_file = open(path, 'r')
ref = ref_file.read().splitlines()
ref_file.close()
refs[extension] = ref
return refs
def file_passes(filename, refs, regexs):
try:
f = open(filename, 'r')
except Exception as exc:
print("Unable to open %s: %s" % (filename, exc), file=verbose_out)
return False
data = f.read()
f.close()
basename = os.path.basename(filename)
extension = file_extension(filename)
if extension != "":
ref = refs[extension]
else:
ref = refs[basename]
# remove extra content from the top of files
if extension == "sh":
p = regexs["shebang"]
(data, found) = p.subn("", data, 1)
data = data.splitlines()
# if our test file is smaller than the reference it surely fails!
if len(ref) > len(data):
print('File %s smaller than reference (%d < %d)' %
(filename, len(data), len(ref)),
file=verbose_out)
return False
# trim our file to the same number of lines as the reference file
data = data[:len(ref)]
p = regexs["year"]
for d in data:
if p.search(d):
print('File %s has the YEAR field, but missing the year of date' %
filename, file=verbose_out)
return False
# Replace all occurrences of regex "2014|2015|2016|2017|2018" with "YEAR"
p = regexs["date"]
for i, d in enumerate(data):
(data[i], found) = p.subn('YEAR', d)
if found != 0:
break
# if we don't match the reference at this point, fail
if ref != data:
print("Header in %s does not match reference, diff:" %
filename, file=verbose_out)
if args.verbose:
print(file=verbose_out)
for line in difflib.unified_diff(
ref, data, 'reference', filename, lineterm=''):
print(line, file=verbose_out)
print(file=verbose_out)
return False
return True
def file_extension(filename):
return os.path.splitext(filename)[1].split(".")[-1].lower()
def normalize_files(files):
newfiles = []
for pathname in files:
newfiles.append(pathname)
for i, pathname in enumerate(newfiles):
if not os.path.isabs(pathname):
newfiles[i] = os.path.join(args.rootdir, pathname)
return newfiles
def get_files(extensions):
files = []
if len(args.filenames) > 0:
files = args.filenames
else:
for root, dirs, walkfiles in os.walk(args.rootdir):
for name in walkfiles:
pathname = os.path.join(root, name)
files.append(pathname)
files = normalize_files(files)
outfiles = []
for pathname in files:
basename = os.path.basename(pathname)
extension = file_extension(pathname)
if extension in extensions or basename in extensions:
outfiles.append(pathname)
outfiles = list(set(outfiles) - set(normalize_files(SKIP_FILES)))
return outfiles
def get_dates():
years = datetime.datetime.now().year
return '(%s)' % '|'.join((str(year) for year in range(2014, years+1)))
def get_regexs():
regexs = {}
# Search for "YEAR" which exists in the boilerplate,
# but shouldn't in the real thing
regexs["year"] = re.compile('YEAR')
# get_dates return 2014, 2015, 2016, 2017, or 2018 until the current year
# as a regex like: "(2014|2015|2016|2017|2018)";
# company holder names can be anything
regexs["date"] = re.compile(get_dates())
# strip #!.* from shell scripts
regexs["shebang"] = re.compile(r"^(#!.*\n)\n*", re.MULTILINE)
return regexs
def main():
regexs = get_regexs()
refs = get_refs()
filenames = get_files(refs.keys())
for filename in filenames:
if not file_passes(filename, refs, regexs):
print(filename, file=sys.stdout)
return 0
if __name__ == "__main__":
sys.exit(main())
|
