Remove useless copyright pre-commit hook (#380)

* remove copyright hook

.copyright.hook

-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
-import argparse
-import io, re
-import sys, os
-import subprocess
-import platform
-
-COPYRIGHT = '''
-  Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
-
-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.
-'''
-
-LANG_COMMENT_MARK = None
-
-NEW_LINE_MARK = None
-
-COPYRIGHT_HEADER = None
-
-if platform.system() == "Windows":
-    NEW_LINE_MARK = "\r\n"
-else:
-    NEW_LINE_MARK = '\n'
-    COPYRIGHT_HEADER = COPYRIGHT.split(NEW_LINE_MARK)[1]
-    p = re.search('(\d{4})', COPYRIGHT_HEADER).group(0)
-    process = subprocess.Popen(["date", "+%Y"], stdout=subprocess.PIPE)
-    date, err = process.communicate()
-    date = date.decode("utf-8").rstrip("\n")
-    COPYRIGHT_HEADER = COPYRIGHT_HEADER.replace(p, date)
-
-
-def generate_copyright(template, lang='C'):
-    if lang == 'Python':
-        LANG_COMMENT_MARK = '#'
-    else:
-        LANG_COMMENT_MARK = "//"
-
-    lines = template.split(NEW_LINE_MARK)
-    BLANK = " "
-    ans = LANG_COMMENT_MARK + BLANK + COPYRIGHT_HEADER + NEW_LINE_MARK
-    for lino, line in enumerate(lines):
-        if lino == 0 or lino == 1 or lino == len(lines) - 1: continue
-        if len(line)  == 0:
-            BLANK = ""
-        else:
-            BLANK = " "
-        ans += LANG_COMMENT_MARK + BLANK + line + NEW_LINE_MARK
-
-    return ans + "\n"
-
-
-def lang_type(filename):
-    if filename.endswith(".py"):
-        return "Python"
-    elif filename.endswith(".h"):
-        return "C"
-    elif filename.endswith(".c"):
-        return "C"
-    elif filename.endswith(".hpp"):
-        return "C"
-    elif filename.endswith(".cc"):
-        return "C"
-    elif filename.endswith(".cpp"):
-        return "C"
-    elif filename.endswith(".cu"):
-        return "C"
-    elif filename.endswith(".cuh"):
-        return "C"
-    elif filename.endswith(".go"):
-        return "C"
-    elif filename.endswith(".proto"):
-        return "C"
-    else:
-        print("Unsupported filetype %s", filename)
-        exit(0)
-
-
-PYTHON_ENCODE = re.compile("^[ \t\v]*#.*?coding[:=][ \t]*([-_.a-zA-Z0-9]+)")
-
-
-def main(argv=None):
-    parser = argparse.ArgumentParser(
-        description='Checker for copyright declaration.')
-    parser.add_argument('filenames', nargs='*', help='Filenames to check')
-    args = parser.parse_args(argv)
-
-    retv = 0
-    for filename in args.filenames:
-        fd = io.open(filename, encoding="utf-8")
-        first_line = fd.readline()
-        second_line = fd.readline()
-        if "COPYRIGHT (C)" in first_line.upper(): continue
-        if first_line.startswith("#!") or PYTHON_ENCODE.match(
-                second_line) != None or PYTHON_ENCODE.match(first_line) != None:
-            continue
-        original_contents = io.open(filename, encoding="utf-8").read()
-        new_contents = generate_copyright(
-            COPYRIGHT, lang_type(filename)) + original_contents
-        print('Auto Insert Copyright Header {}'.format(filename))
-        retv = 1
-        with io.open(filename, 'w') as output_file:
-            output_file.write(new_contents)
-
-    return retv
-
-
-if __name__ == '__main__':
-    exit(main())

.pre-commit-config.yaml

@@ -30,12 +30,3 @@
         -   --show-source
         -   --statistics
         files: \.py$
-
--   repo: local
-    hooks:
-    -   id: copyright_checker
-        name: copyright_checker
-        entry: python ./.copyright.hook
-        language: system
-        files: \.(c|cc|cxx|cpp|cu|h|hpp|hxx|proto|py)$
-        exclude: (?!.*third_party)^.*$