I'm not sure I follow. What kind of problems are you thinking of for
non-interactive programs?
For the things that I'm working with, the code will run as daemon
processes and will start with something like:
import ow
ow.error_level(ow.error_level.connect)
ow.error_print(ow.error_print.syslog)
ow.init('u')
to be able to send connect level messages to syslog, actually
daemon.log. This allows me to have a log of messages for what was
going on with the process from the owlib point of view.
- Peter
On 8/3/05, Alfille, Paul H.,M.D. <[EMAIL PROTECTED]> wrote:
> 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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