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#!/usr/bin/python
# Copyright: 2005-2006 Brian Harring <ferringb@gmail.com>
# License: GPL2
import pkgcore.config, sys, time
if __name__ == "__main__":
verbose = 0
if len(sys.argv) not in (3,4):
print "I need 2 args, cache label to read from, cache label to write to, with -v optional for verbose"
elif len(sys.argv) == 4:
verbose = 1
c=pkgcore.config.load_config()
try: cache1 = c.cache[sys.argv[1]]
except KeyError:
print "read cache label '%s' isn't defined." % sys.argv[1]
sys.exit(1)
try: cache2 = c.cache[sys.argv[2]]
except KeyError:
print "write cache label '%s' isn't defined." % sys.argv[2]
sys.exit(1)
if cache2.readonly:
print "can't update cache label '%s', it's marked readonly." % sys.argv[2]
sys.exit(2)
if not cache2.autocommits:
cache2.sync_rate = 1000
if verbose: print "grabbing cache2's existing keys"
valid = set()
start = time.time()
if verbose:
for k,v in cache1.iteritems():
print "updating %s" % k
cache2[k] = v
valid.add(k)
else:
for k,v in cache1.iteritems():
cache2[k] = v
valid.add(k)
for x in cache2.iterkeys():
if not x in valid:
if verbose: print "deleting %s" % x
del cache2[x]
if verbose:
print "took %i seconds" % int(time.time() - start)
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