From 6f2f2e0dde5c8a1f593fe523e8e72b6eeff5cbb9 Mon Sep 17 00:00:00 2001
From: "Pawel Hajdan, Jr" <phajdan.jr@gentoo.org>
Date: Mon, 21 Nov 2011 09:34:19 +0100
Subject: Automated finding candidates for stabilization.

---
 stabilization-candidates.py | 122 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100755 stabilization-candidates.py

diff --git a/stabilization-candidates.py b/stabilization-candidates.py
new file mode 100755
index 0000000..5d0c3f8
--- /dev/null
+++ b/stabilization-candidates.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+# Copyright 2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import datetime
+import optparse
+import os.path
+import re
+import subprocess
+
+import bugz.bugzilla
+from portage.package.ebuild.getmaskingstatus import getmaskingstatus
+from portage.xml.metadata import MetaDataXML
+import portage.versions
+
+class MyBugz(bugz.bugzilla.Bugz):
+	def get_input(self, prompt):
+		return raw_input(prompt)
+
+if __name__ == "__main__":
+	parser = optparse.OptionParser()
+	parser.add_option("--arch", dest="arch", action="append", help="Gentoo arch to use, e.g. x86, amd64, ... Can be passed multiple times.")
+	parser.add_option("--days", dest="days", type=int, default=30, help="Number of days in the tree after stabilization is possible.")
+	parser.add_option("--repo", dest="repo", help="Path to portage CVS repository")
+	parser.add_option("--category", dest="category", help="Portage category filter (default is all categories)")
+
+	(options, args) = parser.parse_args()
+	if not options.arch:
+		parser.error("--arch option is required")
+	if not options.repo:
+		parser.error("--repo option is required")
+	if args:
+		parser.error("unrecognized command-line args")
+
+	url = 'https://bugs.gentoo.org'
+	print 'You may be prompted for your Gentoo Bugzilla username and password (%s).' % url
+	bugzilla = MyBugz(url)
+	bugzilla.auth()
+	
+	now = datetime.datetime.now()
+	for cp in portage.portdb.cp_all():
+		if options.category and not cp.startswith(options.category + "/"):
+			continue
+		best_stable = portage.versions.best(portage.portdb.match(cp))
+		if not best_stable:
+			continue
+		candidates = []
+		for cpv in portage.portdb.cp_list(cp):
+			# Only consider higher versions than best stable.
+			if portage.versions.pkgcmp(portage.versions.pkgsplit(cpv), portage.versions.pkgsplit(best_stable)) != 1:
+				continue
+
+			# Eliminate alpha, beta, pre, rc, and so on packages.
+			is_unstable = False
+			for suffix in portage.versions.endversion_keys:
+				if ("_" + suffix) in portage.versions.pkgsplit(cpv)[1]:
+					is_unstable = True
+					break
+			if is_unstable:
+				continue
+
+			# Eliminate hard masked packages among others.
+			if getmaskingstatus(cpv) not in [[u'~%s keyword' % arch] for arch in options.arch]:
+				continue
+
+			pv = portage.versions.catsplit(cpv)[1]
+			with open(os.path.join(options.repo, cp, 'ChangeLog')) as changelog_file:
+				regex = '\*%s \((.*)\)' % re.escape(pv)
+				match = re.search(regex, changelog_file.read())
+				if not match:
+					continue
+				changelog_date = datetime.datetime.strptime(match.group(1), '%d %b %Y')
+				if now - changelog_date < datetime.timedelta(days=options.days):
+					continue
+
+			candidates.append(cpv)
+		if not candidates:
+			continue
+		candidates.sort(key=portage.versions.cpv_sort_key())
+		print '\t\tWorking on %s. Candidates: %s' % (cp, ', '.join(candidates))
+		candidates.reverse()
+		best_candidate = None
+		cvs_path = os.path.join(options.repo, cp)
+		for candidate in candidates:
+			ebuild_name = portage.versions.catsplit(candidate)[1] + ".ebuild"
+			ebuild_path = os.path.join(cvs_path, ebuild_name)
+			manifest_path = os.path.join(cvs_path, 'Manifest')
+			original_contents = open(ebuild_path).read()
+			manifest_contents = open(manifest_path).read()
+			try:
+				for arch in options.arch:
+					subprocess.check_output(["ekeyword", arch, ebuild_name], cwd=cvs_path)
+				subprocess.check_output(["repoman", "manifest"], cwd=cvs_path)
+				subprocess.check_output(["repoman", "full"], cwd=cvs_path)
+			except subprocess.CalledProcessError:
+				continue
+			finally:
+				f = open(ebuild_path, "w")
+				f.write(original_contents)
+				f.close()
+				f = open(manifest_path, "w")
+				f.write(manifest_contents)
+				f.close()
+			best_candidate = candidate
+			break
+		if best_candidate:
+			# Do not risk trying to stabilize a package with known bugs.
+			bugs = bugzilla.search(cp, status=None)
+			if bugs:
+				continue
+
+			# Protection against filing a stabilization bug twice.
+			bugs = bugzilla.search(best_candidate)
+			if bugs:
+				continue
+
+			metadata = MetaDataXML(os.path.join(cvs_path, 'metadata.xml'), '/usr/portage/metadata/herds.xml')
+
+			# Spam protection (strip @ and domain name).
+			maintainer_string = re.sub('@[^\s]*', '', metadata.format_maintainer_string())
+
+			print (cp, best_stable, best_candidate, maintainer_string)
-- 
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