topic Re: ArcGIS Python API Overwrite Feature Service Not Working in Python Questions

ArcGIS Python API Overwrite Feature Service Not Working

ArizonaGIS — Tue, 25 Jul 2023 02:42:28 GMT

****Edit. When I publish a zipped file geodatabase with only layers and perform the overwrite function, it works as expected, but when I publish a zipped file geodatabase with multiple layers and tables, that is where it is erroring out on me. I believe the ArcGIS Python API and its overwrite function are limited to one or the other kind of dataset, not a combination of both layers and tables.

I am trying to overwrite a feature service on ArcGIS Online using the ArcGIS API for Python. The code I am using is:

# Import necessary libraries from arcgis.gis import GIS from arcgis.features import FeatureLayerCollection # Log in to your AGOL account gis = GIS("https://www.arcgis.com", "Your Username", "Your Password") # Access the service using its ID service_item = gis.content.get('d4a4d33b25434986a249666c64daf9dc') # Access the feature layer collection associated with the service flc = FeatureLayerCollection.fromitem(service_item) # Define the path to your .gdb.zip file gdb_zip_path = 'C:\\GIS_Project\\Navajo County ETL Process\\DATAMARK VEP Dataset\\Navajo_County_ETL.gdb.zip' # Overwrite the feature service flc.manager.overwrite(gdb_zip_path)

However, when I try to run this script, I get the following error:

`TypeError: can only concatenate str (not "NoneType") to str`

The traceback points towards this line of code:

`flc.manager.overwrite(gdb_zip_path)`

From my understanding, this error might be occurring because the item I am trying to overwrite is not inside a specific folder in my content, causing issues when the API tries to concatenate a string with `None`. However, I have confirmed that this item is at the root of my content and not inside a specific folder.

Has anyone encountered this issue before, and if so, how did you resolve it?

Re: ArcGIS Python API Overwrite Feature Service Not Working

Shauna-RaeBrown — Mon, 24 Jul 2023 18:16:00 GMT

The following line of script allows me to overwrite an existing file.
arcpy.env.overwriteOutput = True

Re: ArcGIS Python API Overwrite Feature Service Not Working

ArizonaGIS — Mon, 24 Jul 2023 18:52:12 GMT

@Shauna-RaeBrown I believe that would work as expected if I was working only with feature classes but communicating with a feature class to a feature service would require using the ArcGIS Python API.

Re: ArcGIS Python API Overwrite Feature Service Not Working

Anonymous User — Tue, 25 Jul 2023 03:39:40 GMT

From the docs of overwrite- Only hosted feature layer collection services can be overwritten.

I think you nailed it in your edit; just upload separately.

Re: ArcGIS Python API Overwrite Feature Service Not Working

ArizonaGIS — Tue, 25 Jul 2023 05:16:37 GMT

@Anonymous User Kind of odd that the manual way through AGOL of dropping a file geodatabase that contains both layers & tables is capable of an overwrite but using the ArcGIS Python API workflow it doesn’t work?

Re: ArcGIS Python API Overwrite Feature Service Not Working

JakeSkinner — Tue, 01 Aug 2023 20:45:28 GMT

@ArizonaGIS this could be another solution to try.