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OptionParser is a module used to process the command line in python. It is a necessary tool in our process development using python
Optparse. It is powerful and easy to use. It can Conveniently generate standard command line instructions that comply with Unix/Posix specifications
Example code
from optparse import OptionParser parse = OptionParser() parse.add_option("-l", "--language", action= "store_true", dest= "lan", default= True, help= "write language for Program") (option, arges) = parse.parse_args()if option.lan == True: print 'lan is True'
As shown above, first import the OptionParser class and create the OptionParser object
Use add_option () to define command line parameters, and finally use parse_args() to parse the command line
add_option parameter parsing, action includes store (default), store_false, store_false, store_const, append, count, callback
Another function of OptParser is to automatically generate help information for the program, which will be explained later. The above is a preliminary learning
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