Very nice, but might this create problems in non-interactive programs? All the error messages are set in a common set of routines so we could alter the handling if it would help -- i.e. set a global variable with the error string.
Paul
-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Peter Kropf
Sent: Tue 8/2/2005 10:25 PM
To: owfs-developers@lists.sourceforge.net
Subject: [Owfs-developers] Accessing error_level and error_print from Python /
Perl / PHP / TCL
I've modified modules/swig/ow.i to provide access to the error_level
and error_print global variables. This was done so that direct access
to owlib from the language bindings will be able to set the variables
as appropiate.
In the Python world, it can now be used as:
[EMAIL PROTECTED]:/space/src/owfs/module/swig> python
Python 2.4.1 (#2, Mar 30 2005, 21:51:10)
[GCC 3.3.5 (Debian 1:3.3.5-8ubuntu2)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import ow
>>> ow.error_level(ow.error_level.connect)
2
>>> ow.init('u')
ERR: Failed to set configuration on USB DS9490 adapter at 002/004.
: Operation not permitted
>>>
This sample set the error_level to connect (2) and then tried to open
a USB adapter. Since the current permissions on the USB device is
restricted, this failed. Without setting the error_level, no message
would have been displayed. There's also an example under
modules/swig/python/examples/errormessages.py.
I haven't done anything specific to the Perl, PHP or TCL bindings. If
there's something that can be done to help the users, I'm hoping that
the binding author or someone more knowledgable than me will make the
needed changes.
And, if anyone else is using the Python bindings, I would appreciate
it if you could try this out and make sure that it works.
- Peter
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