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Override ruffus' handling of --jobs

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Ruffus treats omitted parameter as -j1. For our purposes it makes more
sense for omitting the parameter to mean "use all CPUs". As such we
must be able to distinguish -j1 from the parameter -j being omitted.

Telling ruffus to ignore the argument actually just makes it not auto
generate the argument. We can add an argument back with the same name.
This commit is contained in:
James R. Barlow 2016-01-09 19:07:48 -08:00
parent 326ef7a3ac
commit b485a1ef78
1 changed files with 5 additions and 2 deletions
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7
ocrmypdf/main.py
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@ -102,7 +102,7 @@ parser = cmdline.get_argparse(
ignored_args=[
'touch_files_only', 'recreate_database', 'checksum_file_name',
'key_legend_in_graph', 'draw_graph_horizontally', 'flowchart_format',
'forced_tasks', 'target_tasks', 'use_threads'])
'forced_tasks', 'target_tasks', 'use_threads', 'jobs'])
parser.add_argument(
'input_file',
@ -113,6 +113,9 @@ parser.add_argument(
parser.add_argument(
'-l', '--language', action='append',
help="languages of the file to be OCRed")
parser.add_argument(
'-j', '--jobs', metavar='N', type=int,
help="Use up to N CPU cores simultaneously (default: use all)")
metadata = parser.add_argument_group(
"Metadata options",
@ -787,7 +790,7 @@ def cleanup_ruffus_error_message(msg):
def run_pipeline():
if not options.jobs or options.jobs == 1:
if not options.jobs:
options.jobs = available_cpu_count()
try:
options.history_file = os.path.join(work_folder, 'ruffus_history.sqlite')