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219 lines
8.4 KiB
219 lines
8.4 KiB
import os
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import json
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import socket
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import smtplib
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from collections import defaultdict
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from urllib.request import urlopen, URLError
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from britney2 import SuiteClass
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from britney2.policies.rest import Rest
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from britney2.policies.policy import BasePolicy, PolicyVerdict
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MESSAGE = """From: Ubuntu Stable Release Team <ubuntu-sru-bot@canonical.com>
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To: {bug_mail}
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Subject: Autopkgtest regression report ({source_name}/{version})
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All autopkgtests for the newly accepted {source_name} ({version}) for {series_name} have finished running.
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The following regressions have been reported in tests triggered by the package:
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{failures}
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Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].
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https://people.canonical.com/~ubuntu-archive/proposed-migration/{series_name}/update_excuses.html#{source_name}
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[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions
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Thank you!
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""" # noqa:E501
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class SRUADTRegressionPolicy(BasePolicy, Rest):
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def __init__(self, options, suite_info, dry_run=False):
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super().__init__(
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"sruadtregression",
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options,
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suite_info,
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{SuiteClass.PRIMARY_SOURCE_SUITE},
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)
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self.state_filename = os.path.join(
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options.unstable, "sru_regress_inform_state"
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)
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self.state = {}
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self.dry_run = dry_run
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self.email_host = getattr(self.options, "email_host", "localhost")
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def initialise(self, britney):
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super().initialise(britney)
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if os.path.exists(self.state_filename):
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with open(self.state_filename, encoding="utf-8") as data:
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self.state = json.load(data)
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self.logger.info("Loaded state file %s" % self.state_filename)
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# Remove any old entries from the statefile
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self.cleanup_state()
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def bugs_from_changes(self, change_url):
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"""Return bug list from a .changes file URL"""
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last_exception = None
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# Querying LP can timeout a lot, retry 3 times
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for i in range(3):
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try:
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changes = urlopen(change_url)
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break
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except URLError as e:
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last_exception = e
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pass
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else:
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raise last_exception
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bugs = set()
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for ln in changes:
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ln = ln.decode("utf-8")
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if ln.startswith("Launchpad-Bugs-Fixed: "):
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bugs = {int(b) for b in ln.split()[1:]}
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break
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return bugs
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def apply_src_policy_impl(
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self, policy_info, item, source_data_tdist, source_data_srcdist, excuse
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):
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source_name = item.package
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# We only care about autopkgtest regressions
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if (
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"autopkgtest" not in excuse.reason
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or not excuse.reason["autopkgtest"]
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):
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return PolicyVerdict.PASS
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# Check the policy_info to see if all tests finished and, if yes, if we
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# have any failures to report on.
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if "autopkgtest" not in excuse.policy_info:
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return PolicyVerdict.PASS
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regressions = defaultdict(list)
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for pkg in excuse.policy_info["autopkgtest"]:
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# Unfortunately the verdict of the policy lives at the same level
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# as its detailed output
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if pkg == "verdict":
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continue
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for arch in excuse.policy_info["autopkgtest"][pkg]:
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if excuse.policy_info["autopkgtest"][pkg][arch][0] == "RUNNING":
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# If there's at least one test still running, we just stop
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# and not proceed any further.
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return PolicyVerdict.PASS
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elif (
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excuse.policy_info["autopkgtest"][pkg][arch][0]
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== "REGRESSION"
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):
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regressions[pkg].append(arch)
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if not regressions:
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return PolicyVerdict.PASS
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version = source_data_srcdist.version
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distro_name = self.options.distribution
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series_name = self.options.series
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try:
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if self.state[distro_name][series_name][source_name] == version:
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# We already informed about the regression.
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return PolicyVerdict.PASS
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except KeyError:
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# Expected when no failure has been reported so far for this
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# source - we want to continue in that case. Easier than
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# doing n number of if-checks.
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pass
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data = self.query_lp_rest_api(
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"%s/+archive/primary" % distro_name,
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{
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"ws.op": "getPublishedSources",
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"distro_series": "/%s/%s" % (distro_name, series_name),
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"exact_match": "true",
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"order_by_date": "true",
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"pocket": "Proposed",
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"source_name": source_name,
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"version": version,
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},
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)
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try:
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src = next(iter(data["entries"]))
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# IndexError means no packages in -proposed matched this name/version.
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except StopIteration:
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self.logger.info(
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"No packages matching %s/%s the %s/%s main archive, not "
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"informing of ADT regressions"
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% (source_name, version, distro_name, series_name)
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)
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return PolicyVerdict.PASS
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changes_url = self.query_lp_rest_api(
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src["self_link"], {"ws.op": "changesFileUrl"}
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)
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if not changes_url:
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return PolicyVerdict.PASS
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# Prepare a helper string that lists all the ADT failures
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failures = ""
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for pkg, arches in regressions.items():
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failures += "%s (%s)\n" % (pkg, ", ".join(arches))
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bugs = self.bugs_from_changes(changes_url)
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# Now leave a comment informing about the ADT regressions on each bug
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for bug in bugs:
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self.logger.info(
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"%sSending ADT regression message to LP: #%s "
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"regarding %s/%s in %s"
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% (
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"[dry-run] " if self.dry_run else "",
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bug,
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source_name,
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version,
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series_name,
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)
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)
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if not self.dry_run:
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try:
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bug_mail = "%s@bugs.launchpad.net" % bug
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server = smtplib.SMTP(self.email_host)
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server.sendmail(
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"noreply+proposed-migration@ubuntu.com",
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bug_mail,
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MESSAGE.format(**locals()),
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)
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server.quit()
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except socket.error as err:
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self.logger.info(
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"Failed to send mail! Is SMTP server running?"
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)
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self.logger.info(err)
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self.save_progress(source_name, version, distro_name, series_name)
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return PolicyVerdict.PASS
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def save_progress(self, source, version, distro, series):
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if self.dry_run:
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return
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if distro not in self.state:
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self.state[distro] = {}
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if series not in self.state[distro]:
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self.state[distro][series] = {}
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self.state[distro][series][source] = version
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with open(self.state_filename, "w", encoding="utf-8") as data:
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json.dump(self.state, data)
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def cleanup_state(self):
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"""Remove all no-longer-valid package entries from the statefile"""
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for distro_name in self.state:
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for series_name, pkgs in self.state[distro_name].items():
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for source_name, version in pkgs.copy().items():
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data = self.query_lp_rest_api(
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"%s/+archive/primary" % distro_name,
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{
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"ws.op": "getPublishedSources",
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"distro_series": "/%s/%s"
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% (distro_name, series_name),
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"exact_match": "true",
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"order_by_date": "true",
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"pocket": "Proposed",
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"status": "Published",
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"source_name": source_name,
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"version": version,
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},
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)
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if not data["entries"]:
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del self.state[distro_name][series_name][source_name]
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