Simple

>>> from mirpy import miriad
>>> help(miriad.uvindex)
>>> print miriad.uvindex(vis='myvis.uv')

Advanced

Create filter function to turn miriad stdout text into something useful. This example is not really useful and just demonstrates the usage. It turns the miriad output string into a list of lines in the string and returns it. More useful examples would be turning some output into python values you can work with later.

>>> from mirpy import miriad
>>> def uvindex_filt(output):
...     return output.split('\n')
>>> # without filter
>>> print miriad.uvindex(vis='myvis.uv')
>>> # register filter function
>>> miriad.set_filer('uvindex', uvindex_filt)
>>> # with filter
>>> print miriad.uvindex(vis='myvis.uv')