[GAIA-21588] Create a function to convert v2prime result into dataframe

docs/conf.py

@@ -93,3 +93,6 @@
 # so, we ignore all other releases that preceded that.
 smv_tag_whitelist = r"^v(?!1\.40\.[012345]).+$"
 smv_branch_whitelist = r"^development$"
+
+# -- Ignore Javascript Rendered page
+linkcheck_ignore = [r'https://www.tandfonline.com/doi/abs/10.1080/2150704X.2016.1252471']

groclient/constants.py

@@ -40,3 +40,8 @@
 ]
 
 ITR_CHUNK_READ_SIZE = 4096 * 1024  # 4 MB
+
+V2_DATA_DESCRIPTION_PREFIX = "series_description"
+V2_DATA_DESCRIPTION_ATTRS = DATA_SERIES_UNIQUE_TYPES_ID + ['unit_id']
+
+

groclient/experimental.py

@@ -1,19 +1,21 @@
+import pandas as pd
+
+from typing import Dict, List
+
 from groclient.client import GroClient
 from groclient import lib
-
+from groclient.constants import V2_DATA_DESCRIPTION_PREFIX, V2_DATA_DESCRIPTION_ATTRS
 
 class Experimental(GroClient):
     """The experimental client will introduce a range of experimental functions with better user experience.
     While you will be able to access better performance and new features at an early stage,
     you should be aware that things might change (e.g response format)."""
 
-    def get_data_points(self, **selections):
+    def get_data_points(self, **selections: Dict) -> List[Dict]:
         """This function is a mirror of existing :meth:`~groclient.GroClient.get_data_points`, but with limited scope.
 
         For example:
 
-        - Ontology expansion is under development.
-
         - "Gro derived on-the-fly" is under development.
 
         - Many sources are still under migration (please refer to internal confluence page for source migration timeline)
@@ -38,33 +40,34 @@ def get_data_points(self, **selections):
             All data points with end dates after this date.
         end_date : string, optional
             All data points with start dates before this date.
-        coverage_threshold: float, optional
+        coverage_threshold : float, optional
             Custom threshold on the coverage of geospatial data. Value should be between 0 and 1.
 
         Returns
         -------
-            dict
-                dictionary containing list of data_points and series_description
-
-        Example::
-
-            exp_client = Experimental(access_token="your_token_here")
-            exp_client.get_data_points(
-                                    **{
-                                        'metric_id': 2540047,
-                                        'item_ids': [3457],
-                                        'region_ids': [100023971, 100023990],
-                                        'frequency_id': 1,
-                                        'source_id': 26,
-                                        'start_date': '2021-12-20',
-                                        'end_date': '2021-12-21',
-                                    }
-                                )
-
-        Returns::
-
-            {
-                "data_series": [
+        dict
+            dictionary containing list of data_points and series_description
+
+            Example::
+
+                from groclient.experimental import Experimental
+
+                exp_client = Experimental(access_token="your_token_here")
+                exp_client.get_data_points(
+                    **{
+                        'metric_id': 2540047,
+                        'item_ids': [3457],
+                        'region_ids': [100023971, 100023990],
+                        'frequency_id': 1,
+                        'source_id': 26,
+                        'start_date': '2021-12-20',
+                        'end_date': '2021-12-21',
+                    }
+                )
+
+            Returns::
+
+                [
                     {
                         "data_points": [
                             {
@@ -99,14 +102,97 @@ def get_data_points(self, **selections):
                             "unit_id": 36
                         }
                     }
-                ],
-                "meta": {
-                    "version": "v1.266.0",
-                    "copyright": "Copyright (c) Gro Intelligence",
-                    "timestamp": "Wed, 19 Apr 2023 14:34:05 GMT"
-                }
-            }
+                ]
+        """
+        data_stream_list = lib.get_data_points_v2_prime(
+            self.access_token, self.api_host, **selections
+        )
+
+        # due to the issue in javascript when dealing with 'int64'
+        # here we would manually convert timestamp from str to int
+        for data_stream in data_stream_list:
+            for data_point in data_stream['data_points']:
+                data_point['start_timestamp'] = int(data_point['start_timestamp'])
+                data_point['end_timestamp'] = int(data_point['end_timestamp'])
+
+        return data_stream_list
+
+
+    def get_data_points_df(self, **selections: Dict) -> pd.DataFrame:
+        """Call :meth:`~groclient.Experimental.get_data_points` and return as a combined
+        dataframe.
+
+        Parameters
+        ----------
+        metric_id : integer
+            How something is measured. e.g. "Export Value" or "Area Harvested"
+        item_ids : integer or list of integers
+            What is being measured. e.g. "Corn" or "Rainfall"
+        region_ids : integer or list of integers
+            Where something is being measured e.g. "United States Corn Belt" or "China"
+        partner_region_ids : integer or list of integers, optional
+            partner_region refers to an interaction between two regions, like trade or
+            transportation. For example, for an Export metric, the "region" would be the exporter
+            and the "partner_region" would be the importer. For most series, this can be excluded
+            or set to 0 ("World") by default.
+        source_id : integer
+        frequency_id : integer
+        unit_id : integer, optional
+        start_date : string, optional
+            All data points with end dates after this date.
+        end_date : string, optional
+            All data points with start dates before this date.
+        coverage_threshold : float, optional
+            Custom threshold on the coverage of geospatial data. Value should be between 0 and 1.
+
+        Returns
+        -------
+        pandas.DataFrame
+            The results from :meth:`~groclient.Experimental.get_data_points`, appended together
+            into a single dataframe.
+            Data point attributes in timestamp format (e.g `start_timestamp`, `end_timestamp`)
+            will be converted into human readable format (`YYYY-MM-DD`), and renamed as
+            `start_date` and `end_date`
+
+            Example::
+
+                from groclient.experimental import Experimental
+
+                exp_client = Experimental(access_token="your_token_here")
+                exp_client.get_data_points_df(
+                                        **{
+                                            'metric_id': 2540047,
+                                            'item_ids': [3457],
+                                            'region_ids': [100023971, 100023990],
+                                            'frequency_id': 1,
+                                            'source_id': 26,
+                                            'start_date': '2021-12-20',
+                                            'end_date': '2021-12-21',
+                                        }
+                                    )
+
+            Returns::
+
+                       value start_timestamp end_timestamp metric_id item_id  region_id partner_region_id frequency_id source_id unit_id
+                0  33.204651      2021-12-20    2021-12-21   2540047    3457  100023971               NaN            1        26      36
+                1  32.734329      2021-12-20    2021-12-21   2540047    3457  100023990               NaN            1        26      36
         """
-        return lib.get_data_points_v2_prime(
+        res = lib.get_data_points_v2_prime(
             self.access_token, self.api_host, **selections
         )
+
+        v2_data_description_meta = [
+            [V2_DATA_DESCRIPTION_PREFIX, x] for x in V2_DATA_DESCRIPTION_ATTRS
+        ]
+        df = pd.json_normalize(
+            res, record_path=['data_points'], meta=v2_data_description_meta, errors='ignore'
+        )
+
+        if not df.empty:
+            ts_cols = ["start_timestamp", "end_timestamp"]
+            df[ts_cols] = df[ts_cols].apply(pd.to_datetime, unit="s")
+
+            df.columns = df.columns.str.replace('series_description.', '')
+            df[V2_DATA_DESCRIPTION_ATTRS] = df[V2_DATA_DESCRIPTION_ATTRS].apply(pd.to_numeric)
+
+        return df

groclient/experimental_test.py

@@ -0,0 +1,69 @@
+try:
+    # Python 3.3+
+    from unittest.mock import patch
+except ImportError:
+    # Python 2.7
+    from mock import patch
+
+import numpy as np
+import pandas as pd
+
+from pandas.testing import assert_frame_equal
+from unittest import TestCase
+
+from groclient import Experimental
+from groclient.mock_data import mock_v2_prime_data_request, mock_v2_prime_data_response
+
+MOCK_HOST = "pytest.groclient.url"
+MOCK_TOKEN = "pytest.groclient.token"
+
+class ExperimentalTests(TestCase):
+    def setUp(self):
+        self.client = Experimental(MOCK_HOST, MOCK_TOKEN)
+        self.assertTrue(isinstance(self.client, Experimental))
+
+    @patch("groclient.lib.get_data_points_v2_prime")
+    def test_get_data_points(self, mock_get_data_points):
+        mock_get_data_points.return_value = mock_v2_prime_data_response.copy()
+
+        res = self.client.get_data_points(**mock_v2_prime_data_request)
+
+        self.assertEqual(len(res), len(mock_v2_prime_data_response))
+        self.assertIn('data_points', res[0])
+        self.assertIn('series_description', res[0])
+        point = res[0]['data_points'][0]
+        self.assertTrue(isinstance(point["start_timestamp"], int))
+        self.assertTrue(isinstance(point["end_timestamp"], int))
+
+    @patch("groclient.lib.get_data_points_v2_prime")
+    def test_get_data_points_df(self, mock_get_data_points):
+        mock_get_data_points.return_value = mock_v2_prime_data_response.copy()
+        df = self.client.get_data_points_df(**mock_v2_prime_data_request)
+
+        expected_df = pd.DataFrame({
+            "value": [33.20, 32.73],
+            "start_timestamp":['2023-05-01', '2023-05-01'],
+            "end_timestamp": ['2023-05-02', '2023-05-02'],
+            "metric_id": [2540047, 2540047],
+            "item_id": [3457, 3457],
+            "region_id": [12344, 12345],
+            "partner_region_id": [np.nan, np.nan],
+            "frequency_id": [1,1],
+            "source_id": [26, 26],
+            "unit_id": [36, 36]
+        }).astype({
+            'start_timestamp': 'datetime64',
+            'end_timestamp': 'datetime64'
+        })
+
+        print(df.dtypes)
+
+        assert_frame_equal(df, expected_df)
+
+
+    @patch("groclient.lib.get_data_points_v2_prime")
+    def test_get_data_points_df_no_data(self, mock_get_data_points):
+        mock_get_data_points.return_value = []
+        df = self.client.get_data_points_df(**mock_v2_prime_data_request)
+
+        self.assertTrue(df.empty)

groclient/mock_data.py

@@ -190,3 +190,50 @@
     "frequency_id": 4,
     "source_id": 5,
 }
+
+mock_v2_prime_data_request = {
+    "metric_id": 2540047,
+    "item_ids": [3457],
+    "source_id": 26,
+    "frequency_id": 1,
+    "unit_id": 36,
+    "start_date": "2023-05-01",
+    "region_ids": [1215],
+}
+
+mock_v2_prime_data_response = [
+    {
+        "data_points": [
+            {
+                "value": 33.20,
+                "start_timestamp": "1682899200",
+                "end_timestamp": "1682985600"
+            }
+        ],
+        "series_description": {
+            "source_id": 26,
+            "item_id": 3457,
+            "metric_id": 2540047,
+            "frequency_id": 1,
+            "region_id": 12344,
+            "unit_id": 36
+        }
+    },
+    {
+        "data_points": [
+            {
+                "value": 32.73,
+                "start_timestamp": "1682899200",
+                "end_timestamp": "1682985600"
+            }
+        ],
+        "series_description": {
+            "source_id": 26,
+            "item_id": 3457,
+            "metric_id": 2540047,
+            "frequency_id": 1,
+            "region_id": 12345,
+            "unit_id": 36
+        }
+    }
+]