feat: support for writing pandas DataFrame (#79) - check if measureme…

…nt name is in kwargs

influxdb_client/client/write_api.py

@@ -303,6 +303,9 @@ def _data_frame_to_list_of_points(self, data_frame, precision, **kwargs):
             raise TypeError('Must be DataFrame, but type was: {0}.'
                             .format(type(data_frame)))
 
+        if 'data_frame_measurement_name' not in kwargs:
+            raise TypeError('"data_frame_measurement_name" is a Required Argument')
+
         if isinstance(data_frame.index, pd.PeriodIndex):
             data_frame.index = data_frame.index.to_timestamp()
         else:

tests/test_WriteApi.py

@@ -260,6 +260,22 @@ def test_write_data_frame(self):
 
         self.delete_test_bucket(bucket)
 
+    def test_write_data_frame_without_measurement_name(self):
+        from influxdb_client.extras import pd
+
+        bucket = self.create_test_bucket()
+
+        now = pd.Timestamp('1970-01-01 00:00+00:00')
+        data_frame = pd.DataFrame(data=[["coyote_creek", 1.0], ["coyote_creek", 2.0]],
+                                  index=[now + timedelta(hours=1), now + timedelta(hours=2)],
+                                  columns=["location", "water_level"])
+
+        with self.assertRaises(TypeError) as cm:
+            self.write_client.write(bucket.name, record=data_frame)
+        exception = cm.exception
+
+        self.assertEqual('"data_frame_measurement_name" is a Required Argument', exception.__str__())
+
     def test_use_default_org(self):
         bucket = self.create_test_bucket()