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fix inconsistent behaviour of argparse-code

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this affected certain versions of argparse in python3
This commit is contained in:
Patrick Kanzler
2016-07-17 19:17:10 +02:00
parent 9f5eed0020
commit a5cae3adb7
1 changed files with 6 additions and 0 deletions
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6
src/escpos/cli.py
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@@ -456,7 +456,10 @@ def main():
# cli [subparser] -args
command_subparsers = parser.add_subparsers(
title='ESCPOS Command',
dest='parser',
)
# fix inconsistencies in the behaviour of some versions of argparse
command_subparsers.required = False # force 'required' testing
# Build the ESCPOS command arguments
for command in ESCPOS_COMMANDS:
@@ -522,6 +525,9 @@ def main():
target_command = command_arguments.pop('func')
# remove helper-argument 'parser' from dict
command_arguments.pop('parser', None)
if hasattr(printer, target_command):
# print command with args
getattr(printer, target_command)(**command_arguments)