specifying a list as a command line argument in python

Question

I am using getopt to process a command line optional argument, which should accept a list. Something like this:

foo.py --my_list=[1, 2, 3, 4,5] 
         


        

Answer 1

From the python optparse help page: "

parser.add_option("-f")
parser.add_option("-p", type="float", nargs=3, dest="point")

As it parses the command line

-f foo.txt -p 1 -3.5 4 -fbar.txt

optparse will set

options.f = "foo.txt"
options.point = (1.0, -3.5, 4.0)
options.f = "bar.txt"

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