Add rename_column(), fill_down(), transpose_columns_into_rows()

google/refine.py

@@ -335,10 +335,10 @@ class Refine:
 
 def RowsResponseFactory(column_index):
     """Factory for the parsing the output from get_rows().
-    
+
     Uses the project's model's row cell index so that a row can be used
     as a dict by column name."""
-    
+
     class RowsResponse(object):
         class RefineRows(object):
             class RefineRow(object):
@@ -415,7 +415,7 @@ class RefineProject:
 
     def get_models(self):
         """Fill out column metadata.
-        
+
         column structure is sent in a list of columns in their order.
         The cellIndex is used to find that column's data when returned from
         get_rows()."""
@@ -562,7 +562,29 @@ class RefineProject:
         self.get_models()
         return response
 
+    def rename_column(self, column, new_column):
+        response = self.do_json('rename-column', {'oldColumnName': column,
+            'newColumnName': new_column})
+        self.get_models()
+        return response
+
     def blank_down(self, column):
         response = self.do_json('blank-down', {'columnName': column})
         self.get_models()
-        return response
+        return response
+
+    def fill_down(self, column):
+        response = self.do_json('fill-down', {'columnName': column})
+        self.get_models()
+        return response
+
+    def transpose_columns_into_rows(self, start_column, column_count,
+        combined_column_name, separator=':', prepend_column_name=True,
+        ignore_blank_cells=True):
+        response = self.do_json('transpose-columns-into-rows', {
+            'startColumnName': start_column, 'columnCount': column_count,
+            'combinedColumnName': combined_column_name,
+            'prependColumnName': prepend_column_name,
+            'separator': separator, 'ignoreBlankCells': ignore_blank_cells})
+        self.get_models()
+        return response

google/test/test_refine.py

@@ -317,5 +317,59 @@ class TutorialTestDuplicateDetection(RefineTestCase):
         ])
 
 
+class TutorialTestTransposeColumnsIntoRows(RefineTestCase):
+    project_file = 'us_economic_assistance.csv'
+
+    def test_transpose_columns_into_rows(self):
+        # Section "5. Structural Editing, Transpose Columns into Rows"
+        # {1}, {2}, {3}
+        response = self.project.transpose_columns_into_rows(
+            'FY1946', 64, 'pair')
+        self.assertTrue('64 column(s) starting with FY1946' in
+                        response['historyEntry']['description'])
+        # {4}
+        response = self.project.add_column('pair', 'year',
+            'value[2,6].toNumber()')
+        self.assertTrue('filling 26185 rows' in
+                        response['historyEntry']['description'])
+        # {5}
+        response = self.project.text_transform(column='pair',
+            expression='value.substring(7).toNumber()')
+        self.assertTrue('transform on 26185 cells' in
+                        response['historyEntry']['description'])
+        # {6}
+        response = self.project.rename_column('pair', 'amount')
+        self.assertTrue('Rename column pair to amount' in
+                        response['historyEntry']['description'])
+        # {7}
+        response = self.project.fill_down('country_name')
+        self.assertTrue('Fill down 23805 cells' in
+                        response['historyEntry']['description'])
+        response = self.project.fill_down('program_name')
+        self.assertTrue('Fill down 23805 cells' in
+                        response['historyEntry']['description'])
+        # spot check of last row for transforms and fill down
+        response = self.project.get_rows()
+        row10 = [r for r in response.rows][9]
+        self.assertEqual(row10['country_name'], 'Afghanistan')
+        self.assertEqual(row10['program_name'],
+                        'Department of Defense Security Assistance')
+        self.assertEqual(row10['amount'], 113777303)
+
+
+class TutorialTestTransposeFixedNumbeOfRowsIntoColumns(RefineTestCase):
+    project_file = 'fixed-rows.csv'
+
+    def test_transpose_fixed_number_of_rows_into_columns(self):
+        pass
+
+
+class TutorialTestTransposeVariableNumbeOfRowsIntoColumns(RefineTestCase):
+    project_file = 'variable-rows.csv'
+
+    def test_transpose_variable_number_of_rows_into_columns(self):
+        pass
+
+
 if __name__ == '__main__':
     unittest.main()