support reading Argparse instances inside classes #60
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So far, shphinxarg only has support for reading/importing Argparse instances from global variables/attributes within a module. However, there are use cases where Argparse is used inside classes of a module, not as a global variable. This is particularly the case for uses of 'argparse' in the context of CLI / REPL style user interfaces, such as for example those built using the 'cmd2' module.
This change introduces the ability to specify a path in ':func:' using the '.'-notation (e.g. 'PysimApp.bulk_script_parser').
Initial patch by: Harald Welte laforge@osmocom.org
Co-authored by: Vadim Yanitskiy fixeria@osmocom.org
This is a follow-up to #36 (comment)