[Tutor] Converting ebcidic to ascii
Prinn, Craig
Craig.Prinn at bowebellhowell.com
Wed Jun 15 18:11:27 CEST 2011
Thanks Mark that did the trick, couldn't quite figure out the syntax before.
Craig Prinn
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-----Original Message-----
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Subject: Tutor Digest, Vol 88, Issue 54
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Today's Topics:
1. Re: Already Initialized Object Inheritance? (WolfRage)
2. Re: trying to translate and ebcidic file (Mark Tolonen)
----------------------------------------------------------------------
Message: 1
Date: Tue, 14 Jun 2011 23:42:59 -0700
From: WolfRage <wolfrage8765 at gmail.com>
To: Japhy Bartlett <japhy at pearachute.com>
Cc: Python Tutor <tutor at python.org>
Subject: Re: [Tutor] Already Initialized Object Inheritance?
Message-ID: <1308120179.1952.50.camel at wolfrage-LE1600>
Content-Type: text/plain; charset="UTF-8"
Unfortunately I am not able to inherit "stdscr" using that method. As
Python returns with an error stating that "stdscr" is not defined. This
error is returned at run time and by the compiler prior to actual
execution. If you would like I can write a quick example that will
generate the error message for that method.
--
Jordan
On Wed, 2011-06-15 at 02:04 -0400, Japhy Bartlett wrote:
> When you're subclassing something, you use the syntax:
>
> class Foo(Bar):
>
> It seems like you're trying to do:
>
> class Bar:
> class Foo:
>
> - Japhy
>
> On Wed, Jun 15, 2011 at 12:47 AM, WolfRage <wolfrage8765 at gmail.com> wrote:
> > I can not get this to behave in the manor that I would like. I am trying
> > to have an object refereed to as CursesApp.Screen become the already
> > initialized object "stdscr". To elaborate I would like it to become that
> > object but to also be able to define additional methods and properties,
> > so more along the lines of inherit from "stdscr". Is this even possible?
> > Well I can make it equal to that object I can not add additional methods
> > and properties to it? Additionally, so that I learn; where has my
> > thinking been too short sited? Thank you for your help.
> > --
> > Jordan
> >
> > ****CODE BELOW****
> >
> > #!/usr/bin/python3
> > """With thi method I can make the class "Screen" become "stdscr" but if
> > I refernce any of the new methods or properties the applications
> > promptly fails and notifies me that the method or property does not
> > exist. Another downside of this method is I can not reference
> > self.Screen.* or it crashes."""
> > import curses
> > class CursesApp:
> > def __init__(self, stdscr):
> > self.Screen(stdscr) #This is the stdscr object.
> > curses.init_pair(1,curses.COLOR_BLUE,curses.COLOR_YELLOW)
> > #self.Screen.bkgd(' ', curses.color_pair(1))
> > #self.mainLoop()
> >
> > #def mainLoop(self):
> > #while 1:
> > #self.Screen.refresh()
> > #key=self.Screen.getch()
> > #if key==ord('q'): break
> >
> > class Screen:
> > def __init__(self,stdscr):
> > self=stdscr
> > #self.height, self.width = self.getmaxyx() # any reference
> > to these crashes
> > #self.offsety, self.offsetx = -self.height/2, -self.width/2
> > # any reference to these crashes
> > #self.curx, self.cury = 1, 1 # any reference to these
> > crashes
> > self.clear()
> > self.border(0)
> > while 1:
> > self.refresh()
> > key=self.getch()
> > if key==ord('q'): break
> >
> > def main():
> > cursesapp = curses.wrapper(setup)
> >
> > def setup(stdscr):
> > CursesApp(stdscr)
> >
> > if __name__ == '__main__':
> > main()
> >
> >
> >
> > ****CODE BELOW****
> >
> > #!/usr/bin/python3
> > """With this method I can make "Screen" become "stdscr" but if I
> > obviously can not even define any new methods or properties. But atleast
> > the references can be used through out the class with out crashing."""
> > import curses
> > class CursesApp:
> > def __init__(self, stdscr):
> > self.Screen=stdscr #This is the stdscr object.
> > curses.init_pair(1,curses.COLOR_BLUE,curses.COLOR_YELLOW)
> > self.Screen.bkgd(' ', curses.color_pair(1))
> > self.mainLoop()
> >
> > def mainLoop(self):
> > while 1:
> > self.Screen.refresh()
> > key=self.Screen.getch()
> > if key==ord('q'): break
> >
> > def main():
> > cursesapp = curses.wrapper(setup)
> >
> > def setup(stdscr):
> > CursesApp(stdscr)
> >
> > if __name__ == '__main__':
> > main()
> >
> > _______________________________________________
> > Tutor maillist - Tutor at python.org
> > To unsubscribe or change subscription options:
> > http://mail.python.org/mailman/listinfo/tutor
> >
------------------------------
Message: 2
Date: Wed, 15 Jun 2011 02:20:27 -0700
From: "Mark Tolonen" <metolone+gmane at gmail.com>
To: tutor at python.org
Subject: Re: [Tutor] trying to translate and ebcidic file
Message-ID: <it9tgo$14k$1 at dough.gmane.org>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
"Prinn, Craig" <Craig.Prinn at bowebellhowell.com> wrote in message
news:6B49A56A6E493F4EBA255F6F197F070F050E4FE26A at BBH-MAIL1.bbh.priv...
> I am looking for a way to translate and ebcidic file to ascii. Is there a
> pre-existing library for this, or do I need to do this from scratch? If
> from scratch and ideas on where to start?
There are a couple of EBCDIC codecs (see list of codecs in
http://docs.python.org/library/codecs.html).
Try: open('file.txt').read().decode('ibm500').encode('ascii','replace')
You'll get '?' for chars ascii doesn't support.
-Mark
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