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Generalize the copyright check (#4702)

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The copyright check has hardcoded the years that can appear in the
copyright check.  This means is has to be constantly updated as new
years or range of years are needed.

We try to  avoid this, at least for a while.  We allow years up to 2027.
The ranges for the years allow any combination of from 2014 to 2027.
This commit is contained in:
Steven Perron 2022-02-09 19:21:32 +00:00 committed by GitHub
parent 9fe41e60d8
commit f182d02052
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1 changed files with 22 additions and 4 deletions
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26
utils/check_copyright.py
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@ -14,6 +14,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
"""Checks for copyright notices in all the files that need them under the
current directory. Optionally insert them. When inserting, replaces
an MIT or Khronos free use license with Apache 2.
"""
@ -41,11 +42,28 @@ AUTHORS = ['The Khronos Group Inc.',
'Mostafa Ashraf',
'Shiyu Liu',
'ZHOU He']
CURRENT_YEAR='2021'
CURRENT_YEAR = 2022
YEARS = '(2014-2016|2015-2016|2015-2020|2016|2016-2017|2017|2017-2019|2018|2019|2020|2021|2022)'
COPYRIGHT_RE = re.compile(
'Copyright \(c\) {} ({})'.format(YEARS, '|'.join(AUTHORS)))
FIRST_YEAR = 2014
FINAL_YEAR = CURRENT_YEAR + 5
# A regular expression to match the valid years in the copyright information.
YEAR_REGEX = '(' + '|'.join(
str(year) for year in range(FIRST_YEAR, FINAL_YEAR + 1)) + ')'
# A regular expression to make a range of years in the form <year1>-<year2>.
YEAR_RANGE_REGEX = '('
for year1 in range(FIRST_YEAR, FINAL_YEAR + 1):
for year2 in range(year1 + 1, FINAL_YEAR + 1):
YEAR_RANGE_REGEX += str(year1) + '-' + str(year2) + '|'
YEAR_RANGE_REGEX = YEAR_RANGE_REGEX[:-1] + ')'
# In the copyright info, the year can be a single year or a range. This is a
# regex to make sure it matches one of them.
YEAR_OR_RANGE_REGEX = '(' + YEAR_REGEX + '|' + YEAR_RANGE_REGEX + ')'
# The final regular expression to match a valid copyright line.
COPYRIGHT_RE = re.compile('Copyright \(c\) {} ({})'.format(
YEAR_OR_RANGE_REGEX, '|'.join(AUTHORS)))
MIT_BEGIN_RE = re.compile('Permission is hereby granted, '
'free of charge, to any person obtaining a')