William Ray Wing wrote: > > On Feb 24, 2014, at 8:30 PM, Ronaldo <abhishek1...@gmail.com> wrote: > >> How do I write a state machine in python? I have identified the states >> and the conditions. Is it possible to do simple a if-then-else sort of an >> algorithm? Below is some pseudo code: >> >> if state == "ABC": >> do_something() >> change state to DEF >> >> if state == "DEF" >> perform_the_next_function() >> ... >> >> I have a class to which certain values are passed from a GUI and the >> functions above have to make use of those variables. How do I go about >> doing this? I have the following algorithm: >> >> class TestClass(): >> def __init__(self, var1, var2): #var1 and var2 are received from a GUI >> self.var1 = var1 >> ... >> if state == "ABC" >> doSomething(var1, var2) >> .. >> >> Could someone point me in the right direction? Thank you! >> >> -- >> https://mail.python.org/mailman/listinfo/python-list > > And, to extend Tim's suggestion of a dictionary just a bit, note that > since Python functions are happy to pass function names as arguments, you > can use a dictionary to make a really nice compact dispatch table. That > is, function A does its thing, gets to a new state, and returns as one of > its return arguments the key into the dictionary that points to the next > function_name to be called based on that new state. > > Stackoverflow has a couple of compact examples here: > > http://stackoverflow.com/questions/715457/how-do-you-implement-a-dispatch- table-in-your-language-of-choice
Why have the function return a name? Why not just another function? -- https://mail.python.org/mailman/listinfo/python-list
