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#!/usr/bin/env python
# Copyright (C) 2016 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import errno
import os
import re
import subprocess
import sys
import tempfile
import yaml
gpl3_chunks = ["autoconf",
"automake",
"bash",
"binutils",
"bison",
"ccache",
"cmake",
"flex",
"gawk",
"gcc",
"gdbm",
"gettext",
"gperf",
"groff",
"libtool",
"m4-tarball",
"make",
"nano",
"patch",
"rsync",
"texinfo-tarball"]
def definitions_root():
return subprocess.check_output(
["git", "rev-parse", "--show-toplevel"]).strip()
def load_yaml_file(yaml_file):
with open(yaml_file, 'r') as f:
return yaml.safe_load(f)
def usage():
print ("Usage: ./licensecheck.py SYSTEM")
exit()
def license_file_name(repo_name, sha):
license_file = os.path.join(definitions_root(), "licenses",
repo_name + '-' + sha).strip()
return license_file
def check_license(repo_name, sha, clone_path):
license_file = license_file_name(repo_name, sha)
licenses_dir = os.path.dirname(license_file)
try:
os.makedirs(licenses_dir)
except OSError as e:
if e.errno != errno.EEXIST:
raise
_, license_file_temp = tempfile.mkstemp(dir=licenses_dir)
with open(license_file_temp,"wb") as out:
sys.stderr.write("Checking license of '%s' ...\n" % repo_name)
with open(os.devnull, 'w') as devnull:
subprocess.call("perl scripts/licensecheck.pl -r "
+ clone_path + "|cut -d: -f2- | sort -u",
stdout=out, stderr=devnull, shell=True)
os.rename(license_file_temp, license_file)
return license_file
def check_repo_if_needed(name, repo, ref):
repo_name = re.split('/|:',repo)[-1]
if repo_name.endswith(".git"):
repo_name = repo_name[:-4]
# Check if ref is sha1 to speedup
pattern = re.compile("[0-9a-f]{40}")
if pattern.match(ref):
if os.path.isfile(license_file_name(repo_name, ref)):
return (repo, license_file_name(repo_name, ref))
clone_path = os.path.join(definitions_root(), "repos", repo_name)
if os.path.isdir(clone_path):
sys.stderr.write("Updating repo '%s' ...\n" % repo_name)
with open(os.devnull, 'w') as devnull:
subprocess.call(["git", "checkout", ref], stderr=devnull,
stdout=devnull, cwd=clone_path)
else:
sys.stderr.write("Geting repo '%s' ...\n" % repo_name)
with open(os.devnull, 'w') as devnull:
subprocess.call(["morph", "get-repo", name, clone_path],
stdout=devnull, stderr=devnull)
sha = subprocess.check_output(
["git", "rev-parse", "HEAD"], cwd=clone_path)
if os.path.isfile(license_file_name(repo_name, sha)):
return (repo, license_file_name(repo_name, sha))
return (repo, check_license(repo_name, sha, clone_path))
def check_stratum(stratum_file):
stratum = load_yaml_file(stratum_file)
license_files = []
for chunk in stratum['chunks']:
name = chunk.get("name")
build_mode = chunk.get("build-mode")
# Don't include bootstrap chunks and stripped gplv3 chunks
if name in gpl3_chunks or build_mode == "bootstrap":
continue
repo = chunk.get("repo")
ref = chunk.get("ref")
license_to_append = check_repo_if_needed(name, repo, ref)
license_files.append(license_to_append)
return license_files
def main():
if len(sys.argv) != 2:
usage()
elif (sys.argv[1] == "-h") or (sys.argv[1] == "--help"):
usage()
system_file = sys.argv[1]
system = load_yaml_file(system_file)
license_files = []
for stratum in system['strata']:
stratum_file = stratum['morph']
stratum_path = os.path.join(definitions_root(), stratum_file)
license_files += check_stratum(stratum_path)
for chunk in license_files:
try:
# Print repo name
sys.stdout.write("%s\n%s\n" % (chunk[0], '-' * len(chunk[0])))
# Print license file of the repo
with open(chunk[1], 'r') as f:
for line in f:
sys.stdout.write(line)
sys.stdout.write("\n")
except IOError:
# stdout is closed, no point in continuing
# Attempt to close them explicitly to prevent cleanup problems:
try:
sys.stdout.flush()
sys.stdout.close()
except IOError:
pass
finally:
exit()
if __name__ == "__main__":
main()
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