Re: [Configobj-develop] syntax

[Alex H. <me...@gm...>]

Thanks for the help! Sorry if it was off-topic, but I thought the problem 
might have been in how configobj was handling the path I was giving it. I am 
still pretty new to Python. If I run into more problems, I will be sure to 
only post if they regard configobj. BTW, configobj is great; easy to figure 
ouut and use, even to a noobie like me!


Have a great day,
Alex
Email: me...@gm...
----- Original Message ----- 
From: "Oliver Schweitzer" <oli...@gm...>
To: <con...@li...>
Cc: <me...@gm...>
Sent: Monday, January 18, 2010 2:55
Subject: Re: [Configobj-develop] syntax


Hi!

the r in front of the string literal designates a raw string (bing that), it 
tells the python interpreter to handle the characters inside the quotes "as 
is" and to not interpret the backslash \ as escape. Working alternatives 
would be to write "c:\\yourpath\\yourfile.ini" or 
"c:/yourpath/yourfile.ini" or  """c:\yourpath\yourfile.ini"""

Also for all thing involving paths, better get used to the os.path helper 
functionalities, i.e.

import os

iniLoc = os.path.join(sys.argv[1],'arm.ini')

will give you a well formed path for your environment. Don't concatenate 
partial paths yourself.

Also check the documentation for sys.argv, the first element (sys.argv[0]) 
contains the name of the script you are interpreting.

All the above is easily found in freely available documentation and 
literature, e.g. http://diveintopython.org/toc/index.html

Your email is kind of off-topic for this mailing list; since you did a smart 
thing with identifying and using ConfigObj, I'm happy to help you anyway. 
Have a nice week!

Best regards,

Oliver

On 18.01.2010, at 04:45, Alex Hall wrote:

> Hello all,
> I am new to this list. I am writing a small application (so small it is
> really just a single script and an ini file). I am trying to read my ini
> file. This was working earlier today, but I put the initial reading in a 
> try
> statement and now nothing works!! Does anyone see anything wrong with the
> below syntax? Note that indents are one space, not four.
>
> iniLoc=os.path.dirname(sys.argv[0])+"\\arm.ini"
> try:
> ini=ConfigObj('c:\arm\arm.ini', interpolation=False, fileerror=True)
> except:
> print("The ARM.ini file was not found or could not be accessed. Please 
> make
> sure no other program is using the file, and that the file "+iniLoc+"
> exists, and try running ARM again.")
> exitProgram()
> #end except
>
> The program is called ARM, and the ini file is currently at 
> c:\arm\arm.ini.
> However, the file cannot be found whether I use the iniLoc variable or
> hard-code the location, as I did in the above code.
>
> Also, I found a tutorial earlier today that got me started, but the syntax
> in that tutorial was
>
> file=ConfigObj(r"c:\...")
>
> Note the "r" in front of the path. My program did not work right until I 
> put
> in the "r", but now it seems to make no difference. I cannot imagine what
> this "r" is supposed to do, and I cannot find it in the documentation. Any
> light shed on this would be great. Thanks!
>
> Have a great day,
> Alex
> Email: me...@gm...
>
>
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