[QGIS-Developer] deleteShapefile in pyqgis

[Etienne Trimaille]

Hi,

Are you on Windows ?

It's long-standing issue on Windows IIRC :
https://gis.stackexchange.com/questions/365713/deleting-shapefile-python-lock-qgis-3-10
or other links.

Maybe
 lyr = QgsProject.instance().mapLayersByName(diff_layer)[0]
QgsProject.instance().removeMapLayer(lyr.id())
lyr = None
del lyr

But not a real answer ...

FYI, a nice helper to know side car files:
https://qgis.org/api/classQgsFileUtils.html#a8db232d5063ae13133fa2d3351be1b9c

Le mar. 22 févr. 2022 à 18:07, pierluigi de rosa <pierluigi.derosa at gmail.com>
a écrit :

> Dear all,
>
> I have some troubles wher I use in a pyqgis the function
> QgsVectorFileWriter.deleteShapeFile(file_path)
> here below the example:
>
> def removeLayer(path_layer):
>     # remove layer from TOC if already loaded
>     basefile = os.path.basename(path_layer)
>     diff_layer = os.path.splitext(basefile)[0]
>     directory = os.path.dirname(path_layer)
>     extensions = ["shp", "shx", "dbf", "prj", "sbn", "sbx", "fbn", "fbx", "ain", "aih", "ixs", "mxs", "atx", "xml",
>                   "cpg", "qix"]
>     output_path=path_layer
>     if os.path.exists(path_layer):
>         if len(QgsProject.instance().mapLayersByName(diff_layer)) > 0:
>             lyr = QgsProject.instance().mapLayersByName(diff_layer)[0]
>             print('renaming layer1: ', lyr.id())
>             QgsProject.instance().removeMapLayer(lyr.id())
>
>         QgsVectorFileWriter.deleteShapeFile(path_layer)
>
> Often some handles still remains and I'm not able to delete .dbf and .shp
> files
> How can I solve this error?
>
> Thanks
> Pierluigi
>
> --
> Ing. Pierluigi De Rosa (PhD in Earth Science)
> Contract Professor of Geographic Information System at University of
> Perugia
> cel: 3497558268 / fax: 075 7823038
> skype: pierluigi.derosa
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