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Subject: Re: functools and objective usage
From: Mohsen Pahlevanzadeh <mohsen@pahlevanzadeh.org>
To: python-list@python.org
Date: Wed, 23 Oct 2013 21:56:44 +0330
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Xref: csiph.com comp.lang.python:57377

Oh , i changed my code to:

partial(self.myinstance.myfunc,[arg1,arg2,arg3,arg4,arg5],self.myinstance)

But i got the following traceback:
TypeError: myfunc() takes at least 5 arguments (4 given)
##############################3
myfunc() prototype is:
#########################
def myfunc(self,widget,projectFindInstance,field,data,checkBox =
None,lineEdit = None)
######################################

Note: My caller location in a class and myfunc is a method.

How can i use partial for this state?

Yours,
Mohsen

> 
On Wed, 2013-10-23 at 19:12 +0100, MRAB wrote:h
> > Dear all,
> >
> > I have the following code in each steps of loop:
> > ####################################################
> >              obj = partial(self.myinstance.myfunc)
> >              obj.func = self.myinstance.myfunc
> >              obj.arg = ["TWCH",self,key,val.checkState(),val]
> >              obj.keywords = self.myinstance
> > ########################################################
> > But i get the following traceback:
> > ############################################
> > Traceback (most recent call last):
> >    File "./main.py", line 117, in <module>
> >      main()
> >    File "./main.py", line 104, in main
> >      x.showFindProjects()
> >    File "/home/mohsen/codes/amlak/amlak/src/UIInterface.py", line 101, in
> > showFindProjects
> >      self.uiProjectsFind.setupUi(self.projectsFind)
> >    File "/home/mohsen/codes/amlak/amlak/src/projectsFind.py", line 288,
> > in setupUi
> >      obj.func = self.myinstance.myfunc
> > TypeError: readonly attribute
> > ###############################################################
> > Before any help, Thank you...
> >
> What are you trying to do?
> 
> Why are you trying to change obj.func?
> 
> That attribute was set when you created the partial function, and the
> other arguments should be provided at the same time.
>