On Sun, Oct 24, 2010 at 02:51:16PM +0200, Jérôme Borme wrote:
> I would like to use the pygwy interface to batch-process containers by
> calling
> modules with specific parameters. I tried something like this:
>
> cons = gwy_app_data_browser_get_containers()
> for c in cons:
> --> c.set_double_by_name("/module/cwt/scale", 10.0)
> gwy_process_func_run("cwt", c, RUN_IMMEDIATE)
>
> How should I put it to work?
By doing something like this:
import re, gwyutils
settings = gwy_app_settings_get()
settings.set_double_by_name('/module/cwt/scale', 10.0)
for container in gwy_app_data_browser_get_containers():
for key in container.keys_by_name():
m = re.match(r'^/(?P<i>\d+)/data$', key)
if not m:
continue
i = int(m.group('i'))
gwy_app_data_browser_select_data_field(container, i)
gwy_process_func_run('cwt', container, RUN_IMMEDIATE)
There are several things to note:
- the module parameters are in settings, which is a container separate
from data itself
- container corresponds to a file so to iterate over all loaded channels
you need to iterate at two levels: files (containers) and data fields
inside them
- there is a function to enumerate data fields but I find it simpler to
just match the regexp /\d+/data on all container keys
- to run a module function on a specific channel you need to select it
in the data browser (this is a bit silly but follows from the fact
that you essentially simulate what the user would do using the GUI)
Regards,
Yeti
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