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Original file line number | Diff line number | Diff line change |
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# Copyright (c) 2019-2020, NVIDIA CORPORATION. | ||
# | ||
# 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. | ||
# | ||
|
||
import datetime | ||
import re | ||
import argparse | ||
import io | ||
import os | ||
import git_helpers | ||
|
||
FilesToCheck = [ | ||
re.compile(r"[.](cmake|cpp|cu|cuh|h|hpp|sh|pxd|py|pyx)$"), | ||
re.compile(r"CMakeLists[.]txt$"), | ||
re.compile(r"CMakeLists_standalone[.]txt$"), | ||
re.compile(r"setup[.]cfg$"), | ||
re.compile(r"[.]flake8[.]cython$"), | ||
re.compile(r"meta[.]yaml$") | ||
] | ||
|
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# this will break starting at year 10000, which is probably OK :) | ||
CheckSimple = re.compile(r"Copyright \(c\) (\d{4}), NVIDIA CORPORATION") | ||
CheckDouble = re.compile( | ||
r"Copyright \(c\) (\d{4})-(\d{4}), NVIDIA CORPORATION") | ||
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||
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def checkThisFile(f): | ||
# This check covers things like symlinks which point to files that DNE | ||
if not(os.path.exists(f)): | ||
return False | ||
if git_helpers and git_helpers.isFileEmpty(f): | ||
return False | ||
for checker in FilesToCheck: | ||
if checker.search(f): | ||
return True | ||
return False | ||
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||
|
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def getCopyrightYears(line): | ||
res = CheckSimple.search(line) | ||
if res: | ||
return (int(res.group(1)), int(res.group(1))) | ||
res = CheckDouble.search(line) | ||
if res: | ||
return (int(res.group(1)), int(res.group(2))) | ||
return (None, None) | ||
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def replaceCurrentYear(line, start, end): | ||
# first turn a simple regex into double (if applicable). then update years | ||
res = CheckSimple.sub(r"Copyright (c) \1-\1, NVIDIA CORPORATION", line) | ||
res = CheckDouble.sub( | ||
r"Copyright (c) {:04d}-{:04d}, NVIDIA CORPORATION".format(start, end), | ||
res) | ||
return res | ||
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||
|
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def checkCopyright(f, update_current_year): | ||
""" | ||
Checks for copyright headers and their years | ||
""" | ||
errs = [] | ||
thisYear = datetime.datetime.now().year | ||
lineNum = 0 | ||
crFound = False | ||
yearMatched = False | ||
with io.open(f, "r", encoding="utf-8") as fp: | ||
lines = fp.readlines() | ||
for line in lines: | ||
lineNum += 1 | ||
start, end = getCopyrightYears(line) | ||
if start is None: | ||
continue | ||
crFound = True | ||
if start > end: | ||
e = [f, lineNum, "First year after second year in the copyright " | ||
"header (manual fix required)", None] | ||
errs.append(e) | ||
if thisYear < start or thisYear > end: | ||
e = [f, lineNum, "Current year not included in the " | ||
"copyright header", None] | ||
if thisYear < start: | ||
e[-1] = replaceCurrentYear(line, thisYear, end) | ||
if thisYear > end: | ||
e[-1] = replaceCurrentYear(line, start, thisYear) | ||
errs.append(e) | ||
else: | ||
yearMatched = True | ||
fp.close() | ||
# copyright header itself not found | ||
if not crFound: | ||
e = [f, 0, "Copyright header missing or formatted incorrectly " | ||
"(manual fix required)", None] | ||
errs.append(e) | ||
# even if the year matches a copyright header, make the check pass | ||
if yearMatched: | ||
errs = [] | ||
|
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if update_current_year: | ||
errs_update = [x for x in errs if x[-1] is not None] | ||
if len(errs_update) > 0: | ||
print("File: {}. Changing line(s) {}".format( | ||
f, ', '.join(str(x[1]) for x in errs if x[-1] is not None))) | ||
for _, lineNum, __, replacement in errs_update: | ||
lines[lineNum - 1] = replacement | ||
with io.open(f, "w", encoding="utf-8") as out_file: | ||
for new_line in lines: | ||
out_file.write(new_line) | ||
errs = [x for x in errs if x[-1] is None] | ||
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return errs | ||
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def getAllFilesUnderDir(root, pathFilter=None): | ||
retList = [] | ||
for (dirpath, dirnames, filenames) in os.walk(root): | ||
for fn in filenames: | ||
filePath = os.path.join(dirpath, fn) | ||
if pathFilter(filePath): | ||
retList.append(filePath) | ||
return retList | ||
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def checkCopyright_main(): | ||
""" | ||
Checks for copyright headers in all the modified files. In case of local | ||
repo, this script will just look for uncommitted files and in case of CI | ||
it compares between branches "$PR_TARGET_BRANCH" and "current-pr-branch" | ||
""" | ||
retVal = 0 | ||
|
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argparser = argparse.ArgumentParser( | ||
description="Checks for a consistent copyright header") | ||
argparser.add_argument("--update-current-year", dest='update_current_year', | ||
action="store_true", required=False, help="If set, " | ||
"update the current year if a header is already " | ||
"present and well formatted.") | ||
argparser.add_argument("--git-modified-only", dest='git_modified_only', | ||
action="store_true", required=False, help="If set, " | ||
"only files seen as modified by git will be " | ||
"processed.") | ||
|
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(args, dirs) = argparser.parse_known_args() | ||
if args.git_modified_only: | ||
files = git_helpers.modifiedFiles(pathFilter=checkThisFile) | ||
else: | ||
files = [] | ||
for d in [os.path.abspath(d) for d in dirs]: | ||
if not(os.path.isdir(d)): | ||
raise ValueError(f"{d} is not a directory.") | ||
files += getAllFilesUnderDir(d, pathFilter=checkThisFile) | ||
|
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errors = [] | ||
for f in files: | ||
errors += checkCopyright(f, args.update_current_year) | ||
|
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if len(errors) > 0: | ||
print("Copyright headers incomplete in some of the files!") | ||
for e in errors: | ||
print(" %s:%d Issue: %s" % (e[0], e[1], e[2])) | ||
print("") | ||
n_fixable = sum(1 for e in errors if e[-1] is not None) | ||
path_parts = os.path.abspath(__file__).split(os.sep) | ||
file_from_repo = os.sep.join(path_parts[path_parts.index("ci"):]) | ||
if n_fixable > 0: | ||
print("You can run {} --update-current-year to fix {} of these " | ||
"errors.\n".format(file_from_repo, n_fixable)) | ||
retVal = 1 | ||
else: | ||
print("Copyright check passed") | ||
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return retVal | ||
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|
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if __name__ == "__main__": | ||
import sys | ||
sys.exit(checkCopyright_main()) |
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