def DirDelta(path_iter, dirsig_fileobj_list):
"""
Produce tarblock diff given dirsig_fileobj_list and pathiter
dirsig_fileobj_list should either be a tar fileobj or a list of
those, sorted so the most recent is last.
"""
global stats
stats = statistics.StatsDeltaProcess()
if type(dirsig_fileobj_list) is types.ListType:
sig_iter = combine_path_iters(map(sigtar2path_iter,
dirsig_fileobj_list))
else:
sig_iter = sigtar2path_iter(dirsig_fileobj_list)
delta_iter = get_delta_iter(path_iter, sig_iter)
if globals.dry_run:
return DummyBlockIter(delta_iter)
else:
return DeltaTarBlockIter(delta_iter)
def DirDelta(path_iter, dirsig_fileobj_list):
"""
Produce tarblock diff given dirsig_fileobj_list and pathiter
dirsig_fileobj_list should either be a tar fileobj or a list of
those, sorted so the most recent is last.
"""
global stats
stats = statistics.StatsDeltaProcess()
if isinstance(dirsig_fileobj_list, types.ListType):
sig_iter = combine_path_iters([sigtar2path_iter(x) for x
in dirsig_fileobj_list])
else:
sig_iter = sigtar2path_iter(dirsig_fileobj_list)
delta_iter = get_delta_iter(path_iter, sig_iter)
if globals.dry_run or (globals.progress and not progress.tracker.has_collected_evidence()):
return DummyBlockIter(delta_iter)
else:
return DeltaTarBlockIter(delta_iter)
def DirDelta_WriteSig(path_iter, sig_infp_list, newsig_outfp):
"""
Like DirDelta but also write signature into sig_fileobj
Like DirDelta, sig_infp_list can be a tar fileobj or a sorted list
of those. A signature will only be written to newsig_outfp if it
is different from (the combined) sig_infp_list.
"""
global stats
stats = statistics.StatsDeltaProcess()
if type(sig_infp_list) is types.ListType:
sig_path_iter = get_combined_path_iter(sig_infp_list)
else:
sig_path_iter = sigtar2path_iter(sig_infp_list)
delta_iter = get_delta_iter(path_iter, sig_path_iter, newsig_outfp)
if globals.dry_run:
return DummyBlockIter(delta_iter)
else:
return DeltaTarBlockIter(delta_iter)
def DirDelta_WriteSig(path_iter, sig_infp_list, newsig_outfp):
"""
Like DirDelta but also write signature into sig_fileobj
Like DirDelta, sig_infp_list can be a tar fileobj or a sorted list
of those. A signature will only be written to newsig_outfp if it
is different from (the combined) sig_infp_list.
"""
global stats
stats = statistics.StatsDeltaProcess()
if isinstance(sig_infp_list, list):
sig_path_iter = get_combined_path_iter(sig_infp_list)
else:
sig_path_iter = sigtar2path_iter(sig_infp_list)
delta_iter = get_delta_iter(path_iter, sig_path_iter, newsig_outfp)
if globals.dry_run or (globals.progress and not progress.tracker.has_collected_evidence()):
return DummyBlockIter(delta_iter)
else:
return DeltaTarBlockIter(delta_iter)
