WIP: Filling XLSX

src/caosadvancedtools/table_json_conversion/fill_xlsx.py

@@ -57,11 +57,12 @@ def _get_path_rows(worksheet):
     return rows
 
 
-def _generate_path_col_mapping(workbook):
-    rt_col = _get_row_type_column_index(workbook)
+def _next_row_index(sheet) -> int:
+    """Return the index for the next data row.
 
-    for col in workbook.columns:
-        pass
+This is defined as the first row without any content.
+"""
+    return sheet.max_row
 
 
 class TemplateFiller:
@@ -117,10 +118,15 @@ class TemplateFiller:
             assert len(common_path) >= 1
 
             self._sheet_index[".".join(common_path)] = SimpleNamespace(
-                common_path=common_path, sheetname=sheetname, sheet=sheet)
+                common_path=common_path, sheetname=sheetname, sheet=sheet, col_index=col_index)
 
     def _handle_data(self, data: dict, current_path: List[str] = None):
         """Handle the data and write it into ``workbook``.
+
+Parameters
+----------
+data: dict
+  The data at the current path position.  Elements may be dicts, lists or simple scalar values.
         """
         if current_path is None:
             current_path = []
@@ -129,24 +135,31 @@ class TemplateFiller:
             if isinstance(content, list):
                 if not content:
                     continue
+                # Must be all of the same type.
                 assert len(set(type(entry) for entry in content)) == 1
                 if isinstance(content[0], dict):
                     # An array of objects: must go into exploded sheet
                     for entry in content:
                         self._handle_data(data=entry, current_path=path)
                     continue
-                for entry in content:
-                    pass
-            else:
-                self._handle_single_data(data=content, current_path=path)
+            self._handle_simple_data(data=content, current_path=path)
 
-    def _handle_single_data(self, data, current_path: List[str]):
+    def _handle_simple_data(self, data, current_path: List[str]):
         """Enter this single data item into the workbook.
+
+Parameters
+----------
+data: dict
+  The data at the current path position.  Must be single items (dict or simple scalar) or lists of
+  simple values.
         """
         sheet = self._sheet_index[".".join(current_path)].sheet
+        next_row = _next_row_index(sheet)
         for name, content in data.items():
             if isinstance(content, list):
                 # TODO handle later
+                # scalar elements: semicolon separated
+                # nested dicts: recurse
                 continue
             if isinstance(content, dict):
                 pass