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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This module needs to stay Python 2 and 3 compatible
#
"""
Maintains a unique file that lists all artifacts operations.
"""
import json
import os
import sys
from datetime import datetime
# XXX we should do one per platform and use platform-changelog.json as a name
class Changelog:
def __init__(self, archives_dir):
self.archives_dir = archives_dir
self.location = os.path.join(archives_dir, "changelog.json")
if os.path.exists(self.location):
with open(self.location) as f:
self._data = json.loads(f.read())
if "changes" not in self._data:
self._data["changes"] = []
else:
self._data = {"changes": []}
def append(self, action, platform=sys.platform, **metadata):
now = datetime.timestamp(datetime.now())
log = {"action": action, "platform": platform, "when": now}
log.update(metadata)
# adding taskcluster specific info if we see it in the env
for key in (
"TC_SCHEDULER_ID",
"TASK_ID",
"TC_OWNER",
"TC_SOURCE",
"TC_PROJECT",
):
if key in os.environ:
log[key] = os.environ[key]
self._data["changes"].append(log)
def save(self, archives_dir=None):
if archives_dir is not None and archives_dir != self.archives_dir:
self.location = os.path.join(archives_dir, "changelog.json")
# we need to resolve potential r/w conflicts on TC here
with open(self.location, "w") as f:
f.write(json.dumps(self._data))
def history(self):
"""From older to newer"""
return sorted(
self._data["changes"], key=lambda entry: entry["when"], reverse=True
)
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