def handleDupeNZBFileNeedsDownload(nzbFile, workingDirDupeMap):
""" Determine whether or not this NZBFile is a known duplicate. If so, also determine if
this NZBFile needs to be downloaded """
isDupe = False
# Search the dupes on disk for a match
for file in workingDirDupeMap.iterkeys():
if nzbFile.subject.find(file) > -1:
isDupe = True
debug('handleDupeNeedsDownload: handling dupe: %s' % file)
# *sigh* we're a dupe. Find the first unidentified index in the dupeEntry
# (dupeEntry[1] is None)
for dupeEntry in workingDirDupeMap[file]:
origin = None
if dupeEntry[1] is None:
# Found an entry -- this is for our specified nzbFile
dupeEntry[1] = nzbFile
# Set our filename now, since we know it, for sanity sake
dupeFilename = nextDupeName(os.path.join(
Hellanzb.WORKING_DIR, file),
checkOnDisk=False,
minIteration=dupeEntry[0] + 1)
nzbFile.filename = os.path.basename(dupeFilename)
debug('handleDupeNeedsDownload: marking fileNum: %i as dupeFilename' \
' %s (dupeEntry index: %i)' % (nzbFile.number, nzbFile.filename,
dupeEntry[0]))
# Now that we have the correct filename we can determine if this dupe
# needs to be downloaded
if os.path.isfile(dupeFilename):
debug('handleDupeNeedsDownload: dupeName: %s needsDownload: False' \
% nzbFile.filename)
return isDupe, False
debug('handleDupeNeedsDownload: dupeName: %s needsDownload: True' \
% nzbFile.filename)
return isDupe, True
# Keep track of the origin -- we need to handle it specially (rename it to
# an actual dupeName ASAP) if there are more duplicates in the NZB than
# there are currently on disk
elif dupeEntry[0] == -1:
origin = dupeEntry[1]
# Didn't find a match on disk. Needs to be downloaded
return isDupe, True
return isDupe, None
def handleDupeNZBFileNeedsDownload(nzbFile, workingDirDupeMap):
""" Determine whether or not this NZBFile is a known duplicate. If so, also determine if
this NZBFile needs to be downloaded """
isDupe = False
# Search the dupes on disk for a match
for file in workingDirDupeMap.iterkeys():
if nzbFile.subject.find(file) > -1:
isDupe = True
debug('handleDupeNeedsDownload: handling dupe: %s' % file)
# *sigh* we're a dupe. Find the first unidentified index in the dupeEntry
# (dupeEntry[1] is None)
for dupeEntry in workingDirDupeMap[file]:
origin = None
if dupeEntry[1] is None:
# Found an entry -- this is for our specified nzbFile
dupeEntry[1] = nzbFile
# Set our filename now, since we know it, for sanity sake
dupeFilename = nextDupeName(os.path.join(Hellanzb.WORKING_DIR, file),
checkOnDisk = False,
minIteration = dupeEntry[0] + 1)
nzbFile.filename = os.path.basename(dupeFilename)
debug('handleDupeNeedsDownload: marking fileNum: %i as dupeFilename' \
' %s (dupeEntry index: %i)' % (nzbFile.number, nzbFile.filename,
dupeEntry[0]))
# Now that we have the correct filename we can determine if this dupe
# needs to be downloaded
if os.path.isfile(dupeFilename):
debug('handleDupeNeedsDownload: dupeName: %s needsDownload: False' \
% nzbFile.filename)
return isDupe, False
debug('handleDupeNeedsDownload: dupeName: %s needsDownload: True' \
% nzbFile.filename)
return isDupe, True
# Keep track of the origin -- we need to handle it specially (rename it to
# an actual dupeName ASAP) if there are more duplicates in the NZB than
# there are currently on disk
elif dupeEntry[0] == -1:
origin = dupeEntry[1]
# Didn't find a match on disk. Needs to be downloaded
return isDupe, True
return isDupe, None
def handleDupeNZBSegment(nzbSegment):
""" Handle a duplicate NZBSegment file on disk (prior to writing a new one), if one exists
"""
dest = nzbSegment.getDestination()
if validWorkingFile(dest, overwriteZeroByteFiles = \
nzbSegment.nzbFile.nzb.overwriteZeroByteFiles):
# We have lazily found a duplicate segment (a .segmentXXXX already on disk that we
# were about to write to). Determine the new, duplicate filename, that either the
# on disk file or the segment ABOUT to be written to disk will be renamed to. We
# must avoid renaming it a filename already on disk (nextDupeName will check on
# disk for us) OR to an already reserved filename that may not already be on disk
# (represented by eschewNames)
parentFilename = dest[:-12] # remove .segmentXXXX
segmentNumStr = dest[-12:] # just .segmentXXXX
dupeNZBFileName = nextDupeName(parentFilename,
eschewNames=knownRealNZBFilenames())
beingDownloadedNZBSegment = Hellanzb.queue.isBeingDownloadedFile(dest)
info('Duplicate segment (%s), renaming parent file: %s to %s' % \
(segmentNumStr, os.path.basename(parentFilename),
os.path.basename(dupeNZBFileName)))
if beingDownloadedNZBSegment is not None:
debug('handleDupeNZBSegment: handling dupe: %s renaming to: %s' % \
(os.path.basename(dest), os.path.basename(dupeNZBFileName)))
# FIXME: should probably assert beingDownloadedNZBSegment.nzbFile.number !=
# nzbSegment.nzbFile.number here
# Maintain the correct order when renaming -- the earliest (as they appear in
# the NZB) clashing NZBFile gets renamed
if beingDownloadedNZBSegment.nzbFile.number < nzbSegment.nzbFile.number:
renameFile = beingDownloadedNZBSegment.nzbFile
else:
renameFile = nzbSegment.nzbFile
ArticleDecoder.setRealFileName(renameFile,
os.path.basename(dupeNZBFileName),
forceChange=True)
else:
# NOTE: Probably nothing should trigger this, except maybe .par .segment0001
# files (when smartpar is added). CAUTION: Other cases that might trigger this
# block should no longer happen!
debug('handleDupeNZBSegment: handling dupe (not ' + \
'beingDownloadedNZBSegment!?): %s renaming to: %s' % \
(os.path.basename(dest), os.path.basename(dupeNZBFileName)))
os.rename(dest, dupeNZBFileName + segmentNumStr)
def handleDupeNZBSegment(nzbSegment):
""" Handle a duplicate NZBSegment file on disk (prior to writing a new one), if one exists
"""
dest = nzbSegment.getDestination()
if validWorkingFile(dest, overwriteZeroByteFiles = \
nzbSegment.nzbFile.nzb.overwriteZeroByteFiles):
# We have lazily found a duplicate segment (a .segmentXXXX already on disk that we
# were about to write to). Determine the new, duplicate filename, that either the
# on disk file or the segment ABOUT to be written to disk will be renamed to. We
# must avoid renaming it a filename already on disk (nextDupeName will check on
# disk for us) OR to an already reserved filename that may not already be on disk
# (represented by eschewNames)
parentFilename = dest[:-12] # remove .segmentXXXX
segmentNumStr = dest[-12:] # just .segmentXXXX
dupeNZBFileName = nextDupeName(parentFilename, eschewNames = knownRealNZBFilenames())
beingDownloadedNZBSegment = Hellanzb.queue.isBeingDownloadedFile(dest)
info('Duplicate segment (%s), renaming parent file: %s to %s' % \
(segmentNumStr, os.path.basename(parentFilename),
os.path.basename(dupeNZBFileName)))
if beingDownloadedNZBSegment is not None:
debug('handleDupeNZBSegment: handling dupe: %s renaming to: %s' % \
(os.path.basename(dest), os.path.basename(dupeNZBFileName)))
# FIXME: should probably assert beingDownloadedNZBSegment.nzbFile.number !=
# nzbSegment.nzbFile.number here
# Maintain the correct order when renaming -- the earliest (as they appear in
# the NZB) clashing NZBFile gets renamed
if beingDownloadedNZBSegment.nzbFile.number < nzbSegment.nzbFile.number:
renameFile = beingDownloadedNZBSegment.nzbFile
else:
renameFile = nzbSegment.nzbFile
ArticleDecoder.setRealFileName(renameFile, os.path.basename(dupeNZBFileName),
forceChange = True)
else:
# NOTE: Probably nothing should trigger this, except maybe .par .segment0001
# files (when smartpar is added). CAUTION: Other cases that might trigger this
# block should no longer happen!
debug('handleDupeNZBSegment: handling dupe (not ' + \
'beingDownloadedNZBSegment!?): %s renaming to: %s' % \
(os.path.basename(dest), os.path.basename(dupeNZBFileName)))
os.rename(dest, dupeNZBFileName + segmentNumStr)
def testNextDupeName(self):
""" Test the nextDupeName functionality. """ + nextDupeName.__doc__
testFile = os.path.join(self.tempDir, 'file')
testFile0 = os.path.join(self.tempDir, 'file_hellanzb_dupe0')
testFile1 = os.path.join(self.tempDir, 'file_hellanzb_dupe1')
testFile2 = os.path.join(self.tempDir, 'file_hellanzb_dupe2')
self.assertEqual(nextDupeName(testFile), testFile0)
self.assertEqual(nextDupeName(testFile, eschewNames = (testFile0)), testFile1)
touch(testFile)
touch(testFile0)
self.assertEqual(nextDupeName(testFile), testFile1)
self.assertEqual(nextDupeName(testFile, checkOnDisk = False), testFile0)
self.assertEqual(nextDupeName(testFile, checkOnDisk = False,
eschewNames = (testFile0)), testFile1)
# checkOnDisk = False, minIteration = 0 should do nothing
self.assertEqual(nextDupeName(testFile, checkOnDisk = False, minIteration = 0),
testFile)
def testNextDupeName(self):
""" Test the nextDupeName functionality. """ + nextDupeName.__doc__
testFile = os.path.join(self.tempDir, 'file')
testFile0 = os.path.join(self.tempDir, 'file_hellanzb_dupe0')
testFile1 = os.path.join(self.tempDir, 'file_hellanzb_dupe1')
testFile2 = os.path.join(self.tempDir, 'file_hellanzb_dupe2')
self.assertEqual(nextDupeName(testFile), testFile0)
self.assertEqual(nextDupeName(testFile, eschewNames=(testFile0)),
testFile1)
touch(testFile)
touch(testFile0)
self.assertEqual(nextDupeName(testFile), testFile1)
self.assertEqual(nextDupeName(testFile, checkOnDisk=False), testFile0)
self.assertEqual(
nextDupeName(testFile, checkOnDisk=False, eschewNames=(testFile0)),
testFile1)
# checkOnDisk = False, minIteration = 0 should do nothing
self.assertEqual(
nextDupeName(testFile, checkOnDisk=False, minIteration=0),
testFile)
