I need to get to work something like this:
./foo.py [-b option [-a]]
with argparse. I thought about using sub_parsers, but I don’t know how to make it work.
I need to get to work something like this: ./foo.py [-b option [-a]] with
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I need to get to work something like this:
./foo.py [-b option [-a]]
with argparse. I thought about using sub_parsers, but I don’t know how to make it work.
The straightforward way is to simply add rules in the codes that gets your options to throw an error if -a is there and not b (and document it in the user help). You can also override the usage string using the
usagekeyword: http://docs.python.org/dev/library/argparse.html#usagesub_parsers are nice, but I don’t think they fit your needs. Their usecase is more like putting a lot of features in a single executable (think svn add, svn ci, svn co, etc)