Python Geopandas – Get Field Names in Attribute Table

Question

I have a geopackage file, with a layer called "MyLayer". Within this I have an attribute table with approx 20 attributes.

I can read in each attribute individually like:

import geopandas as gpd

geopkg = gpd.read_file('MyGeoPkg.gpkg', layer='MyLayer')
A = geopkg['AttributeA']

However, I have multiple GPKG files and they may have a different number of attributes, that may have different names.

I'd like to automatically get a list like:

listOfAttributes = ['AttributeA', 'AttributeB', 'AttributeC']

so I could then do:

for l in listOfAttributes:
    data = geopkg[l]

Is there a way of getting a list of the field names from the layer so I can iterate over them?

Answer 1

You effectively want to iterate over columns of GeoDataFrame, which you can get using geopkg.columns.

So assuming you don't want to iterate over geometry field:

for col in geopkg.columns.drop('geometry'):
    data = geopkg[col]