Re: Create a variable "on the fly"

Paul D.Smith wrote: >... What I'm left with is the following... > 1. A shell script which I maintain. > 2. A simple Python config which searches for all shell environment variables > named "MY_..." and instantiates then as Python variables. > 3. Historical scripts that run without me needing to spe

Re: Create a variable "on the fly"

Paul D.Smith wrote: > 2. A simple Python config which searches for all shell environment variables > named "MY_..." and instantiates then as Python variables. my_vars = dict((k, v) for k, v in os.environ.iteritems() if k.startswith('MY_')) globals().update(my_vars)

Re: Create a variable "on the fly"

Paul D.Smith enlightened us with: > The background is that I've inherited some historical Python scripts > that need to be configured from a bash shell script [...] instead of > the existing Pything config script. [...] The problem is that this > config file is almost certainly not complete [...] a

Re: Create a variable "on the fly"

Bruno, FYI, notes in-line... Cheers, Paul DS > > a look instantiate Python variables of the appropriate type. > > What do you mean "of the appropriate type" ? You want to typecast (eg. > from string to numeric) ? Then you need to know what env var must be > casted to what type ? Then you don't n

Re: Create a variable "on the fly"

Hi ! Try : OSCAR='the grouch' print OSCAR useless to thank me Michel Claveau -- http://mail.python.org/mailman/listinfo/python-list

Re: Create a variable "on the fly"

Steve M: > >>> locals()['OSCAR'] = 'the grouch' > >>> OSCAR > 'the grouch' > >>> Use "globals", not "locals": globals()['OSCAR'] = 'the grouch' because states: locals() Update and return a dictionary representing the current loca

Re: Create a variable "on the fly"

Paul D.Smith wrote: > Can Python create a variable "on-the-fly". For example I would like > something like... > > make_variable('OSCAR', 'the grouch'); > print OSCAR; > > ...to output... > > the grouch > > Anything like this in P

Re: Create a variable "on the fly"

PythonWin 2.3.5 (#62, Feb 9 2005, 16:17:08) [MSC v.1200 32 bit (Intel)] on win32. Portions Copyright 1994-2004 Mark Hammond ([EMAIL PROTECTED]) - see 'Help/About PythonWin' for further copyright information. >>> locals()['OSCAR'] = 'the grouch' >>> OSCAR 'the grouch' >>> -- http://mail.python.or

Re: Create a variable "on the fly"

Paul D.Smith wrote: > Can Python create a variable "on-the-fly". For example I would like > something like... > > make_variable('OSCAR', 'the grouch'); > print OSCAR; > > ...to output... Python has only 'on the fly' variables and &#

Re: Create a variable "on the fly"

> make_variable('OSCAR', 'the grouch'); > print OSCAR; Try using "setattr". (It's in __builtins__; you don't have to import anything.) >>> print setattr.__doc__ setattr(object, name, value) Set a named attribute on an object; setattr(x, 'y', v) is equivalent to ``x.y = v''. -- If builders b

Re: Create a variable "on the fly"

Paul D.Smith wrote: > Can Python create a variable "on-the-fly". For example I would like > something like... > > make_variable('OSCAR', 'the grouch'); > print OSCAR; > > ...to output... Python has only 'on the fly' variables and &#

Create a variable "on the fly"

Can Python create a variable "on-the-fly". For example I would like something like... make_variable('OSCAR', 'the grouch'); print OSCAR; ...to output... the grouch Anything like this in Python? And in case anyone is interested, I want to instantiate a set of