Support GeoDataFrame in default_title

Author: nathanjmcdougall

pins/drivers.py

@@ -234,10 +234,20 @@ def default_title(obj, name):
     import pandas as pd
 
     if isinstance(obj, pd.DataFrame):
+        try:
+            import geopandas as gpd
+        except ModuleNotFoundError:
+            obj_name = "DataFrame"
+        else:
+            if isinstance(obj, gpd.GeoDataFrame):
+                obj_name = "GeoDataFrame"
+            else:
+                obj_name = "DataFrame"
+
         # TODO(compat): title says CSV rather than data.frame
         # see https://github.com/machow/pins-python/issues/5
         shape_str = " x ".join(map(str, obj.shape))
-        return f"{name}: a pinned {shape_str} DataFrame"
+        return f"{name}: a pinned {shape_str} {obj_name}"
     else:
         obj_name = type(obj).__qualname__
         return f"{name}: a pinned {obj_name} object"

pins/tests/test_drivers.py

@@ -1,6 +1,7 @@
 import fsspec
 import pytest
 import pandas as pd
+import geopandas as gpd
 
 from pathlib import Path
 
@@ -35,6 +36,10 @@ class D:
     [
         (pd.DataFrame({"x": [1, 2]}), "somename: a pinned 2 x 1 DataFrame"),
         (pd.DataFrame({"x": [1], "y": [2]}), "somename: a pinned 1 x 2 DataFrame"),
+        (
+            gpd.GeoDataFrame({"x": [1], "geometry": [None]}),
+            "somename: a pinned 1 x 2 GeoDataFrame",
+        ),
         (ExC(), "somename: a pinned ExC object"),
         (ExC().D(), "somename: a pinned ExC.D object"),
         ([1, 2, 3], "somename: a pinned list object"),