Identify and delete all unrequired fields from Shape file using Arcpy
I have some Shape files inside one Folder and for the sake of datacompression I want to delete all fields from Table of Content that can be removed (that are not required)!
What I have:
What I expect:
My code that is not working:
import arcpy
import os
arcpy.env.workspace = r"C:Temp"
fcList = arcpy.ListFeatureClasses()
for fc in fcList:
fields = arcpy.ListFields(fc)
for field in fields:
delFlds = [field for field in fields if field != "FID" or field != "Shape"]
arcpy.DeleteField_management(fc, delFlds)
I am using python 2.7 and ArcMap 10.4.1
arcpy shapefile arcgis-10.4
edited 8 hours ago
BERA
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have some Shape files inside one Folder and for the sake of datacompression I want to delete all fields from Table of Content that can be removed (that are not required)!
What I have:
What I expect:
My code that is not working:
import arcpy
import os
arcpy.env.workspace = r"C:Temp"
fcList = arcpy.ListFeatureClasses()
for fc in fcList:
fields = arcpy.ListFields(fc)
for field in fields:
delFlds = [field for field in fields if field != "FID" or field != "Shape"]
arcpy.DeleteField_management(fc, delFlds)
I am using python 2.7 and ArcMap 10.4.1
arcpy shapefile arcgis-10.4
edited 8 hours ago
BERA
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have some Shape files inside one Folder and for the sake of datacompression I want to delete all fields from Table of Content that can be removed (that are not required)!
What I have:
What I expect:
My code that is not working:
import arcpy
import os
arcpy.env.workspace = r"C:Temp"
fcList = arcpy.ListFeatureClasses()
for fc in fcList:
fields = arcpy.ListFields(fc)
for field in fields:
delFlds = [field for field in fields if field != "FID" or field != "Shape"]
arcpy.DeleteField_management(fc, delFlds)
I am using python 2.7 and ArcMap 10.4.1
arcpy shapefile arcgis-10.4
edited 8 hours ago
BERA
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have some Shape files inside one Folder and for the sake of datacompression I want to delete all fields from Table of Content that can be removed (that are not required)!
What I have:
What I expect:
My code that is not working:
import arcpy
import os
arcpy.env.workspace = r"C:Temp"
fcList = arcpy.ListFeatureClasses()
for fc in fcList:
fields = arcpy.ListFields(fc)
for field in fields:
delFlds = [field for field in fields if field != "FID" or field != "Shape"]
arcpy.DeleteField_management(fc, delFlds)
I am using python 2.7 and ArcMap 10.4.1
arcpy shapefile arcgis-10.4
arcpy shapefile arcgis-10.4
edited 8 hours ago
BERA
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 8 hours ago
BERA
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 8 hours ago
BERA
15.7k52042
edited 8 hours ago
BERA
15.7k52042
edited 8 hours ago
BERA
15.7k52042
15.7k52042
asked 8 hours ago
gisgisgisgis
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
gisgisgisgis
133
asked 8 hours ago
gisgisgisgis
133
133
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
gisgis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You are listing field objects with ListFields, not the field names which should be input to DeleteField. So change:
[field for field in fields if field != "FID" or field != "Shape"]
to:
[field.name for field in fields if field.name not in ("FID","Shape")]
But it is probably better to use the required property since object id and shape fields can have different names in different feature classes:
for fc in fcList:
fields_to_delete = [field.name for field in arcpy.ListFields(fc) if not field.required]
fields_to_delete.pop() #Keep one non-required field
for field in fields_to_delete:
arcpy.DeleteField_management(fc, field)
answered 8 hours ago
BERABERA
15.7k52042
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You are listing field objects with ListFields, not the field names which should be input to DeleteField. So change:
[field for field in fields if field != "FID" or field != "Shape"]
to:
[field.name for field in fields if field.name not in ("FID","Shape")]
But it is probably better to use the required property since object id and shape fields can have different names in different feature classes:
for fc in fcList:
fields_to_delete = [field.name for field in arcpy.ListFields(fc) if not field.required]
fields_to_delete.pop() #Keep one non-required field
for field in fields_to_delete:
arcpy.DeleteField_management(fc, field)
answered 8 hours ago
BERABERA
15.7k52042
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
add a comment |
You are listing field objects with ListFields, not the field names which should be input to DeleteField. So change:
[field for field in fields if field != "FID" or field != "Shape"]
to:
[field.name for field in fields if field.name not in ("FID","Shape")]
But it is probably better to use the required property since object id and shape fields can have different names in different feature classes:
for fc in fcList:
fields_to_delete = [field.name for field in arcpy.ListFields(fc) if not field.required]
fields_to_delete.pop() #Keep one non-required field
for field in fields_to_delete:
arcpy.DeleteField_management(fc, field)
answered 8 hours ago
BERABERA
15.7k52042
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
add a comment |
You are listing field objects with ListFields, not the field names which should be input to DeleteField. So change:
[field for field in fields if field != "FID" or field != "Shape"]
to:
[field.name for field in fields if field.name not in ("FID","Shape")]
But it is probably better to use the required property since object id and shape fields can have different names in different feature classes:
for fc in fcList:
fields_to_delete = [field.name for field in arcpy.ListFields(fc) if not field.required]
fields_to_delete.pop() #Keep one non-required field
for field in fields_to_delete:
arcpy.DeleteField_management(fc, field)
answered 8 hours ago
BERABERA
15.7k52042
You are listing field objects with ListFields, not the field names which should be input to DeleteField. So change:
[field for field in fields if field != "FID" or field != "Shape"]
to:
[field.name for field in fields if field.name not in ("FID","Shape")]
But it is probably better to use the required property since object id and shape fields can have different names in different feature classes:
for fc in fcList:
fields_to_delete = [field.name for field in arcpy.ListFields(fc) if not field.required]
fields_to_delete.pop() #Keep one non-required field
for field in fields_to_delete:
arcpy.DeleteField_management(fc, field)
answered 8 hours ago
BERABERA
15.7k52042
edited 1 hour ago
answered 8 hours ago
BERABERA
15.7k52042
answered 8 hours ago
BERABERA
15.7k52042
answered 8 hours ago
BERABERA
15.7k52042
15.7k52042
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
add a comment |
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
Hi BERA thanks for your very quick replay! However it comes an Error saying: "Feature Classes and Tables must have at least one field other than OID and Shape."
– gisgis
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
@gisgis ok you need to keep one then. I edited my answer.
– BERA
8 hours ago
1
1
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
perfect it worked! Thanks a lot.
– gisgis
8 hours ago
add a comment |
gisgis is a new contributor. Be nice, and check out our Code of Conduct.
gisgis is a new contributor. Be nice, and check out our Code of Conduct.
gisgis is a new contributor. Be nice, and check out our Code of Conduct.
gisgis is a new contributor. Be nice, and check out our Code of Conduct.
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