SickGear/lib/hachoir/subfile/main.py

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from hachoir.stream import FileInputStream
from hachoir.core import config
from hachoir.subfile.search import SearchSubfile
from hachoir.core.cmd_line import displayVersion
from sys import exit
from optparse import OptionGroup, OptionParser
def parseOptions():
parser = OptionParser(usage="%prog [options] filename [output_directory]")
common = OptionGroup(parser, "hachoir-subfile",
"Option of hachoir-subfile")
common.add_option("--offset", help="Skip first bytes of input file",
action="store", type='int', default=0)
common.add_option("--size", help="Maximum size of input file",
action="store", type='int', default=None)
common.add_option("--category", help="Parser category list (separated with a comma)",
action="store", type='str', default=None)
common.add_option("--parser", help="Parser identifier list (separated with a comma)",
action="store", type='str', default=None)
common.add_option("--version", help="Display version and exit",
action="callback", callback=displayVersion)
common.add_option("--quiet", help="Be quiet",
action="store_true", default=False)
common.add_option("--profiler", help="Run profiler",
action="store_true", default=False)
common.add_option("--debug", help="Enable debug mode",
action="store_true", default=False)
parser.add_option_group(common)
values, arguments = parser.parse_args()
if len(arguments) == 1:
filename, output = arguments[0], None
elif len(arguments) == 2:
filename, output = arguments
else:
parser.print_help()
exit(1)
return values, filename, output
def displaySearchStat(subfile):
stats = [(parser.tags["id"], stats[0], stats[1])
for parser, stats in subfile.stats.items()]
print()
print("[ Match statistics ]")
total_hit = 0
total_valid = 0
if stats:
stats.sort(key=lambda values: values[1])
for parser_id, hit, valid in stats:
print(" - %s: %u hit/%u valid" % (parser_id, hit, valid))
total_hit += hit
total_valid += valid
print()
else:
print("(no match)")
print("Total: %u hit/%u valid" % (total_hit, total_valid))
def runSearch(subfile, values):
# Load categories and parsers
categories = values.category
if categories:
categories = categories.split(",")
parsers = values.parser
if parsers:
parsers = parsers.split(",")
subfile.loadParsers(categories=categories, parser_ids=parsers)
# Search subfiles
ok = subfile.main()
# Dump statistics on debug mode
if values.debug:
displaySearchStat(subfile)
return ok
def main():
# Initialize
values, filename, output = parseOptions()
config.quiet = True
stream = FileInputStream(filename)
with stream:
subfile = SearchSubfile(stream, values.offset, values.size)
subfile.verbose = not(values.quiet)
subfile.debug = values.debug
if output:
subfile.setOutput(output)
if values.profiler:
from hachoir.core.profiler import runProfiler
ok = runProfiler(runSearch, (subfile, values))
else:
ok = runSearch(subfile, values)
exit(int(not ok))