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➜ MUSHclient
➜ Python
➜ Python globals
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| Posted by
| Martijn
(20 posts) Bio
|
| Date
| Tue 23 Oct 2007 12:06 PM (UTC) |
| Message
| This doesn't work:
empties = 0
def addempty(theName, theOutput, wildcards):
global empties += 1
It's probably a problem with globals in Python, and the way MUSHclient calls python scripts, but I can't think of a way around it, apart from using a 'Global Mushclient variable'.
It's part of a plugin, and I would like to keep it contained in the plugin, and not muck around with world variables. If I have no choise however, I have no choise, but I guessed someone may have found a way around it. If anyone could lend a hand, I would be most gratefull. If you need more information on the plugin, just ask, and I'll post the rest.
| | Top |
|
| Posted by
| Ked
Russia (524 posts) Bio
|
| Date
| Reply #1 on Tue 23 Oct 2007 01:22 PM (UTC) |
| Message
| Change it to:
empties = 0
def addempty(theName, theOutput, wildcards):
global empties
empties += 1
| | Top |
|
| Posted by
| Martijn
(20 posts) Bio
|
| Date
| Reply #2 on Tue 23 Oct 2007 03:45 PM (UTC) |
| Message
| | yup, thanks. I always muck up my Python globals. | | Top |
|
| Posted by
| Elin
(13 posts) Bio
|
| Date
| Reply #3 on Tue 10 Jun 2008 06:46 PM (UTC) |
| Message
| I mess these up, too, and always forget to type 'global variable' in my script function.
I've started just writing all the code out, and then going back through and typing all the globals out when I'm done. | | Top |
|
| Posted by
| Worstje
Netherlands (899 posts) Bio
|
| Date
| Reply #4 on Tue 10 Jun 2008 10:10 PM (UTC) |
| Message
| | For future reference, it might help to consider the global keyword as a declaration. "The variable with the name empties is considered global and will be treated as if we were in the global scope." Notice how it doesn't say anything about the current value or the new values it may get in the function. :) | | Top |
|
| Posted by
| First Lensman
(2 posts) Bio
|
| Date
| Reply #5 on Tue 03 Feb 2009 01:26 PM (UTC) |
| Message
| NOTE: I posted this in another topic regarding Global Variables
-----
It was recommended in a python manual to create a class
that holds global variables. Here is an example that I
culled from a script I wrote to work with the mailman
software package:
class GlobalVariables:
'Class that holds Global Variables'
def __init__(self):
self.LDIR = '/var/lib/mailman/lists'
self.BDIR = '/usr/lib/mailman/bin'
self.THLD = ''
self.MLST = ''
self.EOJ = 0
Then, in the main(), create a varaible using this class:
def main():
global GL
GL = GlobalVariables()
input_list()
process_list()
In any other subroutine that would need access to the
Global Variables, just include the global statement. The
following code is a very simplified version from my script:
def input_list():
global GL
GL.MLST = raw_input("Enter Mailing List: ")
def process_list():
global GL
cfgfile = '/tmp/'+GL.MLST+'_config'
regfile = '/tmp/'+GL.MLST+'_member'
digfile = '/tmp/'+GL.MLST+'_digest'
As you can see, it is much easier to remember the "global GL"
in each routine rather than multiple "global" statements!
| | Top |
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