nuttx/tools/licensing/check.py
2021-02-25 11:31:49 -08:00

288 lines
8.3 KiB
Python
Executable File

#!/usr/bin/env python3
############################################################################
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you 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 json
import sys
import re
import subprocess
import getopt
import termcolor
import os
committers_json = None
non_commiters_json = None
author_mappings_json = None
verbose_level = 0
color = True
def colored(s,c):
if color:
return termcolor.colored(s,c)
else:
return s
def commit_attributions(c):
regex = re.compile('(?i)(?:by|from|author|Co-authored-by):? +(.+)')
return re.findall(regex, c['message']) + re.findall(regex,c['body'])
def get_headers(s):
return re.findall('(?i)/\*\*\*.+?(?:Copyright).+?\*\*\*+/', s, re.DOTALL)
def get_file(blob):
try:
return subprocess.check_output(['git','cat-file','-p',blob], stderr=subprocess.DEVNULL).decode()
except subprocess.CalledProcessError as err:
return None
def header_authors(header):
results = re.findall('[Aa]uthors?: +(.+?) *(?:Redistribution)', header, re.DOTALL)
results = [re.split('\n[ *]+',result) for result in results]
results = sum(results,[]) # flatten
results = [re.sub('[Cc]opyright:?( ?.[Cc].)? *([12][0-9]{3}[,-]? ?)','',result) for result in results]
results = list(filter(lambda s: s != '', results)) # remove empty strings
return results
# Search for an author name in Apache's committers/non-committers
# database. It will return (apacheID,name) if there's a match or
# None if not. apacheID might be None if there's no Apache ID
# for author
def search_for_cla(name):
for k,v in committers_json['committers'].items():
if (v == name):
return (k,v)
if name in non_committers_json['non_committers']:
return (None,name)
return None
# Returns the same as above, but this takes an author
# (which may include an email include an email used
# to look for alternative author names for this person)
def author_has_cla(author):
if ('@' in author):
matches = re.match('^(.+?)(?: +([^ ]+@[^ ]+ *))$', author)
if (not matches):
return None # found an '@' but it wasn't an email, so this is most likely not really an author
name = matches.group(1)
email = matches.group(2).lstrip('<').rstrip('>')
else:
name = author.strip()
email = None
vvvprint('name: %s email: %s' % (name,email if email else '?'))
# first look for name directly
result = search_for_cla(name)
if (result):
return result
# otherwise, get all available alternative names for author
# and look for each
if (email and (email in author_mappings_json)):
result = search_for_cla(author_mappings_json[email])
if (result):
return result
# Nothing matched
return None
def header_copyrights(header):
results = re.findall(' \* *[Cc]opyright:?(?: ?.[Cc].)? *(?:[12][0-9]{3}[,-]? ?)* *(.+)', header)
return [re.sub('(. )?[Aa]ll rights reserved.?','',result) for result in results]
def report_cla(author):
cla = author_has_cla(author)
if cla:
(apacheid,name) = cla
print(colored('','green'), end = ' ')
else:
apacheid = None
print(colored('','red'), end = ' ')
if apacheid:
print('%s (ID: %s)' % (author, apacheid))
else:
print(author)
def analyze(j):
complete_attributions = set()
complete_authors = set()
complete_copyrights = set()
vprint('file has %i commits' % len(j))
for commit in j:
authors = set()
vprint(colored('-','yellow'))
vprint(colored('commit: ', 'green') + commit['commit'])
vprint(colored('blob: ', 'green') + commit['blob'])
vprint(colored('date: ','green') + commit['date'])
vprint(colored('author: ','green') + ('%s <%s>' % (commit['author'], commit['author-email'])))
attributions = commit_attributions(commit)
if (len(attributions) > 0):
vprint(colored('attributions:','green'))
for attribution in attributions:
vprint(attribution)
complete_attributions |= set(attributions)
complete_authors |= set([commit['author'] + ' ' + commit['author-email']])
# skip deletion commits
vprint(colored('blob:','green'), end = ' ')
if (commit['blob'] == '0000000000000000000000000000000000000000'):
vprint('zero (deletion)')
continue
file_contents = get_file(commit['blob'])
# skip inaccessible blobs (probably lived in a submodule)
if (not file_contents):
vprint('inaccessible')
continue
else:
vprint('available')
headers = get_headers(file_contents)
vprint(colored('header authors:','green'))
for header in headers:
ha = header_authors(header)
authors |= set(ha)
vprint(ha)
complete_authors |= set(authors)
vprint(colored('header copyrights:','green'))
copyrights = set()
for header in headers:
hc = header_copyrights(header)
copyrights |= set(hc)
vprint(hc)
vprint(colored('commit description:','green'))
vprint(commit['message'])
if commit['body']:
vprint(colored('commit msg body:','green'))
vprint(commit['body'])
vvprint(colored('headers:','green'))
for header in headers:
vvprint(header)
complete_copyrights |= copyrights
vprint(colored("----\n",'yellow'))
print(colored("COMPLETE REPORT:",'blue'))
print(colored("attributions:",'green'))
if (len(complete_attributions) == 0):
print("*none detected*")
else:
for attribution in complete_attributions:
report_cla(attribution)
print(colored("authors:",'green'))
for author in complete_authors:
report_cla(author)
print(colored("copyrights:",'green'))
print('\n'.join(complete_copyrights))
def print_help():
print("Usage: check.py [-v] [-n] <JSON file>\n")
print(" -v\tIncrease verbosity (add up to three times)\n"
" -n\tDo not use color for output")
def vprint(*args, **kwargs):
if (verbose_level > 0):
print(*args, **kwargs)
def vvprint(*args, **kwargs):
if (verbose_level > 1):
print(*args, **kwargs)
def vvvprint(*args, **kwargs):
if (verbose_level > 2):
print(*args, **kwargs)
#####
# First try to load the CLAs JSONs:
try:
with open(os.path.dirname(os.path.abspath(__file__)) + '/icla-info.json','r') as file:
committers_json = json.load(file)
with open(os.path.dirname(os.path.abspath(__file__)) + '/icla-info_noid.json','r') as file:
non_committers_json = json.load(file)
except:
print('Could not open CLA JSON files, please read README.md for download instructions')
sys.exit(2)
# Open author mappings JSON
with open(os.path.dirname(os.path.abspath(__file__)) + '/author_mappings.json','r') as file:
author_mappings_json = json.load(file)
try:
opts, args = getopt.getopt(sys.argv[1:], "hnv")
except getopt.GetoptError:
print_help()
sys.exit(2)
for opt, arg in opts:
if (opt == "-h"):
print_help()
sys.exit()
elif opt == "-v":
verbose_level = verbose_level + 1
elif opt == "-n":
color = False
if (len(args) != 1):
print_help()
sys.exit(2)
f = args[0]
if not f:
print_help()
sys.exit(2)
if (f == '-'):
j = json.load(sys.stdin)
else:
with open(f, 'r') as file:
j = json.load(file)
analyze(j)