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import argparse
import imp
import os
import sys
from mozlog.structured import commandline
from wptrunner.wptcommandline import get_test_paths, set_from_config
from wptrunner.testloader import ManifestLoader
def create_parser():
p = argparse.ArgumentParser()
p.add_argument("--check-clean", action="store_true",
help="Check that updating the manifest doesn't lead to any changes")
commandline.add_logging_group(p)
return p
def update(logger, wpt_dir, check_clean=True):
localpaths = imp.load_source("localpaths",
os.path.join(wpt_dir, "tests", "tools", "localpaths.py"))
kwargs = {"config": os.path.join(wpt_dir, "wptrunner.ini"),
"tests_root": None,
"metadata_root": None}
set_from_config(kwargs)
config = kwargs["config"]
test_paths = get_test_paths(config)
if check_clean:
old_manifests = {}
for data in test_paths.itervalues():
path = os.path.join(data["metadata_path"], "MANIFEST.json")
with open(path) as f:
old_manifests[path] = f.readlines()
try:
ManifestLoader(test_paths, force_manifest_update=True).load()
rv = 0
if check_clean:
clean = diff_manifests(logger, old_manifests)
if not clean:
rv = 1
finally:
if check_clean:
for path, data in old_manifests.iteritems():
logger.info("Restoring manifest %s" % path)
with open(path, "w") as f:
f.writelines(data)
return rv
def diff_manifests(logger, old_manifests):
logger.info("Diffing old and new manifests")
import difflib
clean = True
for path, old in old_manifests.iteritems():
with open(path) as f:
new = f.readlines()
if old != new:
clean = False
sm = difflib.SequenceMatcher(a=old, b=new)
for group in sm.get_grouped_opcodes():
logged = False
message = []
for op, old_0, old_1, new_0, new_1 in group:
if op != "equal" and not logged:
logged = True
logger.lint_error(path=path,
message="Manifest changed",
lineno=(old_0 + 1),
source="\n".join(old[old_0:old_1]),
linter="wpt-manifest")
if op == "equal":
message.extend(' ' + line for line in old[old_0:old_1])
if op in ('replace', 'delete'):
message.extend('-' + line for line in old[old_0:old_1])
if op in ('replace', 'insert'):
message.extend('+' + line for line in new[new_0:new_1])
logger.info("".join(message))
if clean:
logger.info("No differences found")
return clean
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