On 11/21/2011 01:23 AM, [email protected] wrote:
Exactly !
Thanks a lot.
1)
You really shouldn't top-post. Nor should you try to indicate something
with color, since this is a text-based forum.
I would suggest that you do not try to parse error messages. (If you're
going to just print the message and exit, then there's no advantage in
catching it.) Instead, arrange the answer to be given to you directly.
Two ways come to mind:
1) use separate try/catch blocks
2) use variables to indicate how far you got before the exception happened.
I think I would just start with
precheck = validate= constants = None
then after the exception is reported, you can check each of these with
something like:
if constants:
One more thing. You appear to be using Python 3. So the correct
syntax for the except is:
except ImportError as error_obj:
Note that the value is *not* a string, but is an object of some subclass
of ImportError.
From: Christian Witts [mailto:[email protected]]
Sent: Monday, November 21, 2011 11:36 AM
To: Badjatya, Nikunj
Cc: [email protected]
Subject: Re: [Tutor] How to get module name from ImportError
On 2011/11/21 07:54 AM, [email protected]<mailto:[email protected]>
wrote:
Hi All,
Please look at the following snippet.
{{{
# User defined modules
try:
from scripts import precheck
from scripts import validate
from scripts import constants
except ImportError:
print("ERROR: One of the modules (..scripts/precheck.py, validate.py,
constants) is not present.")
print("INFO : Please verify the above modules, and restart the
installation")
sys.exit(1)
}}}
See the red line.
I want to get the name of the particular module which is not available and
hence causing ImportError.
One of the ways can be to get the STDERR and process it using re. !?
Is there a better alternate available .?
Thanks
Nikunj
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try:
... import nothing
... except ImportError, err_msg:
... print err_msg
...
No module named nothing
Hope that helps.
--
Christian Witts
Python Developer
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--
DaveA
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