dgsoft/python-docx-template
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Added basic functionality to make the module executable

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Lucas 2021-09-28 15:25:09 -03:00
parent a45cc806d8
commit 8004fcf6bc
1 changed files with 4 additions and 8 deletions
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12
docxtpl/__main__.py
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@ -7,8 +7,7 @@ from argparse import ArgumentError
def make_arg_parser() -> argparse.ArgumentParser: def make_arg_parser() -> argparse.ArgumentParser:
parser = argparse.ArgumentParser( parser = argparse.ArgumentParser(
usage='docxtpl template_path json_path output_filename', usage='docxtpl template_path json_path output_filename',
description='Make docx file from existing template docx and json data.', description='Make docx file from existing template docx and json data.')
add_help=True)
parser.add_argument('Template', parser.add_argument('Template',
metavar='template_path', metavar='template_path',
type=str, type=str,
@ -28,11 +27,8 @@ def get_args(parser: argparse.ArgumentParser) -> dict:
try: try:
parsed_args = vars(parser.parse_args()) parsed_args = vars(parser.parse_args())
return parsed_args return parsed_args
# There is a bug that prevents argparser from catching ArgumentError # Argument errors cause SystemExit error, not ArgumentError
# manually. For more info: https://bugs.python.org/issue41255 except SystemExit:
# I know bare exceptions are wrong, could not find another way to catch
# wrong arguments.
except:
raise RuntimeError(f'Correct usage is:\n{parser.usage}') raise RuntimeError(f'Correct usage is:\n{parser.usage}')
@ -63,7 +59,7 @@ def validate_all_args(parsed_args) -> None:
try: try:
for arg_name, arg_value in parsed_args.items(): for arg_name, arg_value in parsed_args.items():
if not is_argument_valid(arg_name, arg_value): if not is_argument_valid(arg_name, arg_value):
raise AttributeError raise ArgumentError
except ArgumentError as e: except ArgumentError as e:
raise RuntimeError( raise RuntimeError(
f'The specified {arg_name} "{arg_value}" is not valid.') f'The specified {arg_name} "{arg_value}" is not valid.')