Question #200874 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/200874
Status: Open => Answered
RaiMan proposed the following answer:
to clarify: you say: calling the modules in turn.
this is misunderstandable:
- a module is imported (if it contains code outside of def(s) or class(), this
code is executed once at import time)
- you then call the functions or use the classes contained in the module for
execution
- depending on the import form all defined names are added to the calling
global namespace (from x import *)
--- signaling termination (e.g. for breaking a loop) from inside a
module.function
you have to return an appropriate return value, that is checked by the caller
e.g.
def myFunction():
# some code here
if all_is_ok: return True # or some suitable value
else: return false
# only side effects
while True:
if not myFunction(): break
or
# needing the return value:
while True:
ret = myFunction()
if not ret: break
print ret
--- But I get an error in the reload line
reload works all over the place - so what error do you get?
--- declare a global variable across modules
- 1. If you make Sikuli scripts, the option to use Sikuli's Settings class is
the easiest solution.
In the Python sense, these are not global variables, but attributes in a
globally available Sikuli class.
recommended: Settings.myGlobal = True (hence use a unique prefix)
-2. If you do not like that:
- make module myGlobals
- containing
myGlobal1 = True
...
- and use "from myGlobals import *" in every module including main, that needs
access to these global variables.
- take care: inside of def()'s and classes, global variables are only readable.
If they are to be assigned something, you have to say
global myGlobal1
myGlobal1 = False
otherwise myGlobal1 is an unknown local variable (error).
So solution 1 is easier and more flexible, since it is always clear what
is meant: Settings.myGlobal1
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