def main():
parser = argparse.ArgumentParser(
description='Generate image signatures for files in database.')
add_common_command_line_arguments(parser)
parser.add_argument('-T', '--threads', metavar='THREADS',
nargs=1,
default=[DEFAULT_THREADS],
help=("Specify the number of threads to use. 'C' is " +
"substitued for the number of cores. " +
"Default is %r. Examples: '1', '10' or '1.5C'.")
% DEFAULT_THREADS)
parser.add_argument('-s', '--min-similarity',
default=0.8,
help='require at least this image similarity')
parser.add_argument('-S', '--signatures',
nargs=1,
default="3",
help=("Which signatures should be computed. " +
"Default is %r. Examples: '1,2', '3' or 'all'.")
% "3")
args = parser.parse_args()
repo = dfr.db.Database(args.db[0])
signatures = args.signatures[0]
if signatures == "all":
signatures = [1, 2, 3, 4, 5]
else:
signatures = [int(x) for x in signatures.split(",")]
threads = eval_thread_config(args.threads[0])
indexer = ImageIndexer(repo, signatures, parallel_threads=threads)
indexer.run()
sim = float(args.min_similarity)
for iht in signatures:
comperator = ImageComperator(repo, iht)
comperator.ensure_that_differences_are_calculated(sim)
def test_nothing_to_index(self):
with TempDir(0) as tmpdir:
db_fn = join(tmpdir.name, 'files.sdb')
the_db = db.Database(db_fn, verbose=0)
indexer = ImageIndexer(the_db, [1], verbose_progress=0)
indexer.run()
self.assertTrue(len(the_db.content.find()) == 0)