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#!/usr/bin/python
from yum.transactioninfo import TransactionData, TransactionMember, SortableTransactionData
from yum.Errors import YumBaseError
import urlparse
urlparse.uses_fragment.append('media')
class SplitMediaTransactionData(SortableTransactionData):
def __init__(self):
SortableTransactionData.__init__(self)
self.reqmedia = {}
self.curmedia = 0
def __getMedia(self, po):
try:
uri = po.returnSimple('basepath')
(scheme, netloc, path, query, fragid) = urlparse.urlsplit(uri)
if scheme != "media" or not fragid:
return 0
else:
return int(fragid)
except (KeyError, AttributeError):
return 0
def getMembers(self, pkgtup=None):
if not self.curmedia:
return TransactionData.getMembers(self, pkgtup)
if pkgtup is None:
returnlist = []
for key in self.reqmedia[self.curmedia]:
returnlist.extend(self.pkgdict[key])
return returnlist
if self.reqmedia[self.curmedia].has_key(pkgtup):
return self.pkgdict[pkgtup]
else:
return []
def add(self, txmember):
id = self.__getMedia(txmember.po)
if id:
if id not in self.reqmedia.keys():
self.reqmedia[id] = [ txmember.pkgtup ]
else:
self.reqmedia[id].append(txmember.pkgtup)
SortableTransactionData.add(self, txmember)
def remove(self, pkgtup):
if not self.pkgdict.has_key(pkgtup):
return
txmembers = self.pkgdict[pkgtup]
if len(txmembers) > 0:
for txmbr in txmembers:
id = self.__getMedia(txmbr.po)
if id:
self.reqmedia[id].remove(pkgtup)
if len(self.reqmedia[id]) == 0:
self.reqmedia.pop(id)
del txmbr
SortableTransactionData.remove(self, pkgtup)
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