def get_slide_coincs_from_cache(cachefile, pattern, match, verb, coinc_stat):
full_coinc_table = []
cache = cachefile.sieve(description=pattern, exact_match=match)
found, missed = cache.checkfilesexist()
files = found.pfnlist()
if not len(files):
print >>sys.stderr, "cache contains no files with " + pattern + " description"
return None
# split the time slide files into 105 groups to aid with I/O
num_files=len(files)
#Changed by Tristan Miller as a memory fix
#groups_of_files = split_seq(files,105)
groups_of_files = split_seq(files,50)
for filegroup in groups_of_files:
if filegroup:
# extract the coinc table
coinc_table = SnglInspiralUtils.ReadSnglInspiralFromFiles(filegroup, mangle_event_id=False, verbose=verb, non_lsc_tables_ok=False)
segDict = SearchSummaryUtils.GetSegListFromSearchSummaries(filegroup)
rings = segments.segmentlist(iterutils.flatten(segDict.values()))
rings.sort()
for k,ring in enumerate(rings):
rings[k] = segments.segment(rings[k][0], rings[k][1] + 10**(-9))
shift_vector = {"H1": 0, "H2": 0, "L1": 5, "V1": 5}
if coinc_table:
SnglInspiralUtils.slideTriggersOnRingWithVector(coinc_table, shift_vector, rings)
full_coinc_table.extend(CoincInspiralUtils.coincInspiralTable(coinc_table,coinc_stat))
return full_coinc_table
