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#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2020 Andreas Cord-Landwehr <cordlandwehr@kde.org>
# SPDX-License-Identifier: BSD-3-Clause
# key : outbound license identifier
# values : list of acceptable licenses that are compatible with outbound license
compatibilityMatrix = {
"MIT": [
"CC0-1.0",
"MIT"],
"BSD-2-Clause": [
"CC0-1.0",
"MIT",
"BSD-2-Clause"],
"BSD-3-Clause": [
"CC0-1.0",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause"],
"LGPL-2.0-only": [
"CC0-1.0",
"LGPL-2.0-only",
"LGPL-2.0-or-later",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause",
"bzip2-1.0.6"],
"LGPL-2.1-only": [
"CC0-1.0",
"LGPL-2.0-or-later",
"LGPL-2.1-only",
"LGPL-2.1-or-later",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause",
"bzip2-1.0.6"],
"LGPL-3.0-only": [
"CC0-1.0",
"LGPL-2.0-or-later",
"LGPL-2.1-or-later",
"LGPL-3.0-only",
"LGPL-3.0-or-later",
"LicenseRef-KDE-Accepted-LGPL",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause",
"bzip2-1.0.6"],
"GPL-2.0-only": [
"CC0-1.0",
"LGPL-2.0-only",
"LGPL-2.1-only",
"LGPL-2.0-or-later",
"LGPL-2.1-or-later",
"GPL-2.0-only",
"GPL-2.0-or-later",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause",
"bzip2-1.0.6"],
"GPL-3.0-only": [
"CC0-1.0",
"LGPL-2.0-or-later",
"LGPL-2.1-or-later",
"LGPL-3.0-only",
"LGPL-3.0-or-later",
"GPL-2.0-or-later",
"GPL-3.0-only",
"GPL-3.0-or-later",
"LicenseRef-KDE-Accepted-GPL",
"LicenseRef-KDE-Accepted-LGPL",
"MIT",
"BSD-2-Clause",
"BSD-3-Clause",
"bzip2-1.0.6"]
}
def check_outbound_license(license, files, spdxDictionary):
"""
Asserts that the list of source files @p files, when combined into
a library or executable, can be delivered under the combined license @p license .
"""
print("Checking Target License: " + license)
if not license in compatibilityMatrix:
print("Error: unknown license selected")
return False
allLicensesAreCompatible = True
for sourceFile in files:
compatible = False
sourceFileStripped = sourceFile.strip()
for fileLicense in spdxDictionary[sourceFileStripped]:
if fileLicense in compatibilityMatrix[license]:
compatible = True
print("OK " + sourceFileStripped + " : " + fileLicense)
if not compatible:
allLicensesAreCompatible = False
print("-- " + sourceFileStripped + " : ( " + ", ".join([str(i) for i in spdxDictionary[sourceFileStripped]]) + " )")
return allLicensesAreCompatible
if __name__ == '__main__':
print("Parsing SPDX BOM file")
import sys
import argparse
# parse commands
parser = argparse.ArgumentParser()
parser.add_argument("-l", "--license", help="set outbound license to test")
parser.add_argument("-s", "--spdx", help="spdx bill-of-materials file")
parser.add_argument("-i", "--input", help="input file with list of source files to test")
args = parser.parse_args()
# TODO check if required arguments are present and give meaningful feedback
# collect name and licenses from SPDX blocks
spdxDictionary = {}
fileName = ""
licenses = []
f = open(args.spdx, "r")
for line in f:
if line.startswith("FileName:"):
# strip "FileName: "
# thus name expected to start with "./", which is relative to CMAKE_SOURCE_DIR
fileName = line[10:].strip()
if line.startswith("LicenseInfoInFile:"):
licenses.append(line[19:].strip())
if line == '' or line == "\n":
spdxDictionary[fileName] = licenses
fileName = ""
licenses = []
f.close()
spdxDictionary[fileName] = licenses
# read file with list of test files
f = open(args.input, "r")
testfiles = f.readlines()
f.close()
if check_outbound_license(args.license, testfiles, spdxDictionary) is True:
sys.exit(0)
# in any other case, return error code
sys.exit(1)
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