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108 lines
3.1 KiB
Python
Executable File
108 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import json
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import mmap
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import os
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import re
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import sys
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def PrintError(*err):
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print(*err, file=sys.stderr)
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def file_passes(filename, extension, ref, regexs):
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try:
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f = open(filename, 'r')
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except:
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return False
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data = f.read()
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# remove build tags from the top of Go files
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if extension == "go":
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p = regexs["go_build_constraints"]
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(data, found) = p.subn("", data, 1)
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# remove shebang from the top of shell files
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if extension == "sh":
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p = regexs["shebang"]
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(data, found) = p.subn("", data, 1)
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data = data.splitlines()
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# if our test file is smaller than the reference it surely fails!
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if len(ref) > len(data):
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return False
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# trim our file to the same number of lines as the reference file
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data = data[:len(ref)]
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p = regexs["year"]
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for d in data:
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if p.search(d):
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return False
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# Replace all occurances of the regex "2015|2014" with "YEAR"
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p = regexs["date"]
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for i, d in enumerate(data):
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(data[i], found) = p.subn('YEAR', d)
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if found != 0:
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break
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# if we don't match the reference at this point, fail
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if ref != data:
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return False
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return True
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def main():
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if len(sys.argv) < 3:
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PrintError("usage: %s extension FILENAME [FILENAMES]" % sys.argv[0])
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return False
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basedir = os.path.dirname(os.path.abspath(__file__))
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extension = sys.argv[1]
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# argv[0] is the binary, argv[1] is the extension (go, sh, py, whatever)
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filenames = sys.argv[2:]
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ref_filename = basedir + "/boilerplate." + extension + ".txt"
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try:
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ref_file = open(ref_filename, 'r')
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except:
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# No boilerplate template is success
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return True
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ref = ref_file.read().splitlines()
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regexs = {}
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# Search for "YEAR" which exists in the boilerplate, but shouldn't in the real thing
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regexs["year"] = re.compile( 'YEAR' )
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# dates can be 2014 or 2015, company holder names can be anything
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regexs["date"] = re.compile( '(2014|2015)' )
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# strip // +build \n\n build constraints
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regexs["go_build_constraints"] = re.compile(r"^(// \+build.*\n)+\n", re.MULTILINE)
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# strip #!.* from shell scripts
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regexs["shebang"] = re.compile(r"^(#!.*\n)\n*", re.MULTILINE)
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for filename in filenames:
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if not file_passes(filename, extension, ref, regexs):
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print(filename, file=sys.stdout)
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if __name__ == "__main__":
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sys.exit(main())
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