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# Copyright 2005-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import portage
class CleanResume(object):
short_desc = "Discard emerge --resume merge lists"
@staticmethod
def name():
return "cleanresume"
def check(self, **kwargs):
onProgress = kwargs.get('onProgress', None)
messages = []
mtimedb = portage.mtimedb
resume_keys = ("resume", "resume_backup")
maxval = len(resume_keys)
if onProgress:
onProgress(maxval, 0)
for i, k in enumerate(resume_keys):
try:
d = mtimedb.get(k)
if d is None:
continue
if not isinstance(d, dict):
messages.append("unrecognized resume list: '%s'" % k)
continue
mergelist = d.get("mergelist")
if mergelist is None or not hasattr(mergelist, "__len__"):
messages.append("unrecognized resume list: '%s'" % k)
continue
messages.append("resume list '%s' contains %d packages" % \
(k, len(mergelist)))
finally:
if onProgress:
onProgress(maxval, i+1)
return (True, messages)
def fix(self, **kwargs):
onProgress = kwargs.get('onProgress', None)
delete_count = 0
mtimedb = portage.mtimedb
resume_keys = ("resume", "resume_backup")
maxval = len(resume_keys)
if onProgress:
onProgress(maxval, 0)
for i, k in enumerate(resume_keys):
try:
if mtimedb.pop(k, None) is not None:
delete_count += 1
finally:
if onProgress:
onProgress(maxval, i+1)
if delete_count:
mtimedb.commit()
return (True, None)
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