Revert "UNPICK uv install geodatafusion"

This reverts commit 692e399.

Author: kosiew

examples/datafusion-ffi-example/python/tests/_test_type_checking.py

@@ -1,5 +1,40 @@
-from datafusion import udaf
-from geodatafusion import native
+import pyarrow as pa
+from datafusion import udaf, SessionContext
+from datafusion.user_defined import Accumulator  # base class for aggregators
 
-# replicate the original call
-udaf(native.Extent())
+# Define a simple test accumulator for demonstration:
+class TestAccumulator(Accumulator):
+    def __init__(self) -> None:
+        self.total = 0
+
+    def state(self) -> list[pa.Scalar]:
+        return [pa.scalar(self.total)]
+
+    def update(self, *values: pa.Array) -> None:
+        # Sum up integer values from the first argument
+        self.total += sum(value.as_py() for value in values[0])
+
+    def merge(self, states: list[pa.Array]) -> None:
+        # Assumes the state is a list with one scalar integer per actor
+        self.total += sum(state[0].as_py() for state in states)
+
+    def evaluate(self) -> pa.Scalar:
+        return pa.scalar(self.total)
+
+# Create the test UDAF using TestAccumulator.
+# Note: the overload taking (accum, input_types, return_type, state_type, volatility, name)
+test_udaf = udaf(
+    TestAccumulator,           # accumulator function or type producing an Accumulator object
+    [pa.int64()],              # input types (list of one int64)
+    pa.int64(),                # return type
+    [pa.int64()],              # state type (list of one int64)
+    "immutable",               # volatility indicator
+    name="test_udaf"
+)
+
+# Register UDAF into a session context (if needed)
+ctx = SessionContext()
+ctx.register_udaf(test_udaf)
+
+# The code should type check without error:
+print("Type checking passed for test_udaf!")

pyproject.toml

@@ -43,11 +43,7 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Rust",
 ]
-dependencies = [
-    "geodatafusion>=0.1.1",
-    "pyarrow>=11.0.0",
-    "typing-extensions;python_version<'3.13'",
-]
+dependencies = ["pyarrow>=11.0.0", "typing-extensions;python_version<'3.13'"]
 dynamic = ["version"]
 
 [project.urls]