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def make_command_summary_string(command_summaries):
"""Construct subcommand summaries
:param command_summaries: Commands and their summaries
:type command_summaries: list of (str, str)
:returns: The subcommand summaries
:rtype: str
"""
doc = ''
for command, summary in command_summaries:
doc += '\n\t{:15}\t{}'.format(command, summary.strip())
return doc
def make_generic_usage_message(doc):
"""Construct generic usage error
:param doc: Usage documentation for program
:type doc: str
:returns: Generic usage error
:rtype: str
"""
return 'Unknown option\n{}'.format(doc)
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