Side note: multiprocessing is part of the Python standard library. https://docs.python.org/2.7/library/multiprocessing.html
Giovanni Il 21 mag 2017 14:18, "Andreas Plesch" <[email protected]> ha scritto: > As a followup, here is the simple processing script which is my attempt at > launching a separate task: > > https://github.com/andreasplesch/QGIS-X3D-Processing/blob/master/ > scripts/launch_webserver.py > > qgis2web does not seem to need a real http server for the preview as > openlayers apparently can use the file protocol. > > -Andreas > > On Sat, May 20, 2017 at 5:29 PM, Andreas Plesch <[email protected]> > wrote: > >> I would like to launch a minimal web server from a processing script to >> serve html properly (rather than using the file protocol). >> >> Since the web server needs to run and keep running separately from qgis >> or the qgis python interpreter, I investigated various ways to accomplish >> this using SimpleHTTPServer. On windows 2.18.7 as linux should be more >> robust. >> >> - threading.Threat : start() works until the server actually serves a >> file. Then qgis crashes with a minidump . For some reason, the crashing >> happens not always but more often than not. >> - multiprocessing : seems to be the recommended solution but I do not >> seem to have it with Qgis python (?) >> - QProcess.start() : works from the python terminal, seems robust but >> does not seem to work from a processing script (?). Would be the preferred >> solution. >> - QProcess.startDetached('python',(args),dir) : works reliably but >> requires killing and restarting the process to change the root directory >> served >> >> This may all change with Qgis 3 but I suspect 2.18 will be around for a >> while, too. >> >> Any recommendations or ideas would be welcome. >> >> I will look into qgis2web to see what it does. >> >> -- >> Andreas Plesch >> 39 Barbara Rd. >> Waltham, MA 02453 >> > > > > -- > Andreas Plesch > 39 Barbara Rd. > Waltham, MA 02453 > > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >
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