diff options
| -rw-r--r-- | scripts/lib/recipetool/create.py | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/scripts/lib/recipetool/create.py b/scripts/lib/recipetool/create.py index def2eea9fa..718f2aaf5b 100644 --- a/scripts/lib/recipetool/create.py +++ b/scripts/lib/recipetool/create.py @@ -25,6 +25,7 @@ import json import logging import scriptutils import urlparse +import hashlib logger = logging.getLogger('recipetool') @@ -717,6 +718,76 @@ def get_license_md5sums(d, static_only=False): md5sums['54c7042be62e169199200bc6477f04d1'] = 'BSD-3-Clause' return md5sums +def crunch_license(licfile): + ''' + Remove non-material text from a license file and then check + its md5sum against a known list. This works well for licenses + which contain a copyright statement, but is also a useful way + to handle people's insistence upon reformatting the license text + slightly (with no material difference to the text of the + license). + ''' + + import oe.utils + + # Note: these are carefully constructed! + license_title_re = re.compile('^\(?(#+ *)?(The )?.{1,10} [Ll]icen[sc]e( \(.{1,10}\))?\)?:?$') + license_statement_re = re.compile('^This (project|software) is( free software)? released under the .{1,10} [Ll]icen[sc]e:?$') + copyright_re = re.compile('^(#+)? *Copyright .*$') + + crunched_md5sums = {} + # The following two were gleaned from the "forever" npm package + crunched_md5sums['0a97f8e4cbaf889d6fa51f84b89a79f6'] = 'ISC' + crunched_md5sums['eecf6429523cbc9693547cf2db790b5c'] = 'MIT' + # https://github.com/vasi/pixz/blob/master/LICENSE + crunched_md5sums['2f03392b40bbe663597b5bd3cc5ebdb9'] = 'BSD-2-Clause' + # https://github.com/waffle-gl/waffle/blob/master/LICENSE.txt + crunched_md5sums['e72e5dfef0b1a4ca8a3d26a60587db66'] = 'BSD-2-Clause' + # https://github.com/spigwitmer/fakeds1963s/blob/master/LICENSE + crunched_md5sums['8be76ac6d191671f347ee4916baa637e'] = 'GPLv2' + # https://github.com/datto/dattobd/blob/master/COPYING + # http://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/docs/GPLv2.TXT + crunched_md5sums['1d65c5ad4bf6489f85f4812bf08ae73d'] = 'GPLv2' + # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt + # http://git.neil.brown.name/?p=mdadm.git;a=blob;f=COPYING;h=d159169d1050894d3ea3b98e1c965c4058208fe1;hb=HEAD + crunched_md5sums['fb530f66a7a89ce920f0e912b5b66d4b'] = 'GPLv2' + # https://github.com/gkos/nrf24/blob/master/COPYING + crunched_md5sums['7b6aaa4daeafdfa6ed5443fd2684581b'] = 'GPLv2' + # https://github.com/josch09/resetusb/blob/master/COPYING + crunched_md5sums['8b8ac1d631a4d220342e83bcf1a1fbc3'] = 'GPLv3' + # https://github.com/FFmpeg/FFmpeg/blob/master/COPYING.LGPLv2.1 + crunched_md5sums['2ea316ed973ae176e502e2297b574bb3'] = 'LGPLv2.1' + # unixODBC-2.3.4 COPYING + crunched_md5sums['1daebd9491d1e8426900b4fa5a422814'] = 'LGPLv2.1' + # https://github.com/FFmpeg/FFmpeg/blob/master/COPYING.LGPLv3 + crunched_md5sums['2ebfb3bb49b9a48a075cc1425e7f4129'] = 'LGPLv3' + lictext = [] + with open(licfile, 'r') as f: + for line in f: + # Drop opening statements + if copyright_re.match(line): + continue + elif license_title_re.match(line): + continue + elif license_statement_re.match(line): + continue + # Squash spaces, and replace smart quotes, double quotes + # and backticks with single quotes + line = oe.utils.squashspaces(line.strip()).decode("utf-8") + line = line.replace(u"\u2018", "'").replace(u"\u2019", "'").replace(u"\u201c","'").replace(u"\u201d", "'").replace('"', '\'').replace('`', '\'') + if line: + lictext.append(line) + + m = hashlib.md5() + try: + m.update(' '.join(lictext)) + md5val = m.hexdigest() + except UnicodeEncodeError: + md5val = None + lictext = '' + license = crunched_md5sums.get(md5val, None) + return license, md5val, lictext + def guess_license(srctree): import bb md5sums = get_license_md5sums(tinfoil.config_data) @@ -733,7 +804,11 @@ def guess_license(srctree): licfiles.append(fullpath) for licfile in licfiles: md5value = bb.utils.md5_file(licfile) - license = md5sums.get(md5value, 'Unknown') + license = md5sums.get(md5value, None) + if not license: + license, crunched_md5, lictext = crunch_license(licfile) + if not license: + license = 'Unknown' licenses.append((license, os.path.relpath(licfile, srctree), md5value)) # FIXME should we grab at least one source file with a license header and add that too? |