def commit(self,dryrun=True):
""" update target with data from source """
queue=[]
updates = []
import datetime
time = datetime.datetime.now()
queue.append( (LtrDrop("","/",self.fspath),self) )
sourcefilter = lambda n: True
targetfilter = lambda n: n.boxname == self.id
while len(queue):
(source,target)= queue.pop(0)
source = dictbyname(filter(sourcefilter,source.children()))
target = dictbyname(filter(targetfilter,target.children()))
srcunique = set(source.keys()) - set(target.keys())
absent = set(target.keys()) - set(source.keys())
common = set(target.keys()) & set(source.keys())
for filename in common:
existing = source[filename]
updating = target[filename]
diff = updating.diff(existing)
if diff != []:
show("M %s %s\n" %(existing.volpath,diff))
show("[ updateDrop %s ]" % existing.name )
updating.updateDrop(existing)
updates.append(updating)
if updating.ftype == "dir":
queue.append((existing,updating))
for gone in absent:
gone = target.get(gone)
if gone.ftype == "dir":
queue.append((LtrDrop(gone.name,gone.path,self.fspath),gone))
if LtrNode.COPY_FLAG in gone.flags:
show("D %s\n" %(gone.getVolPath()))
gone.flags.remove(LtrNode.COPY_FLAG)
updates.append(gone)
if not LtrNode.COPY_FLAG in gone.flags \
and not LtrNode.SKIP_FLAG in gone.flags:
show("W %s\n" %(gone.getVolPath()))
for new in map(lambda x:source.get(x),srcunique):
newnode = LtrNode().new()
show("[ updateDrop %s ]" % new.volpath )
newnode.updateDrop(new,dryrun=dryrun)
newnode.boxname = self.id
if not LtrNode.COPY_FLAG in newnode.flags:
newnode.flags.append(LtrNode.COPY_FLAG)
newnode.addtime = time
show("N %s\n" %(new.volpath))
updates.append(newnode)
if new.ftype == "dir":
queue.append((new,newnode))
if not dryrun:
print "." * len(updates)
self.space.records.update(updates)
if len(updates):
#import pprint
#pprint.pprint(updates)
return True
else:
return False
