Create ppt_parser.py

end-to-end-use-cases/data-tool/src/parsers/ppt_parser.py

@@ -0,0 +1,83 @@
+# Note: No logic for images yet
+import os
+from pptx import Presentation
+
+class PPTParser:
+    def __init__(self):
+        pass
+    
+    def parse(self, file_path):
+        if not os.path.exists(file_path):
+            raise FileNotFoundError(f"PowerPoint file not found: {file_path}")
+        if not file_path.lower().endswith(('.pptx')):
+            raise ValueError("Only .pptx format is supported")
+        
+        ppt = Presentation(file_path)
+        all_text = []
+        all_text.append(f"PowerPoint Presentation: {os.path.basename(file_path)}")
+        all_text.append(f"Total Slides: {len(ppt.slides)}")
+        all_text.append("")
+        
+        for i, slide in enumerate(ppt.slides):
+            slide_num = i + 1
+            all_text.append(f"Slide {slide_num}")
+            all_text.append("-" * 40)
+            
+            if slide.shapes.title:
+                all_text.append(f"Title: {slide.shapes.title.text}")
+            
+            slide_text = self._extract_slide_text(slide)
+            if slide_text:
+                all_text.append(slide_text)
+                
+            all_text.append("")
+        
+        return "\n".join(all_text)
+    
+    def _extract_slide_text(self, slide):
+        texts = []
+        
+        for shape in slide.shapes:
+            if shape.has_text_frame:
+                text = self._extract_text_frame(shape.text_frame)
+                if text:
+                    texts.append(text)
+            
+            # table logic
+            if shape.has_table:
+                table_text = self._extract_table(shape.table)
+                if table_text:
+                    texts.append(table_text)
+        
+        return "\n".join(texts)
+    
+    def _extract_text_frame(self, text_frame):
+        text_lines = []
+        
+        for paragraph in text_frame.paragraphs:
+            if paragraph.text.strip():
+                text_lines.append(paragraph.text.strip())
+        
+        return "\n".join(text_lines)
+    
+    def _extract_table(self, table):
+        table_lines = []
+        
+        for row in table.rows:
+            row_text = []
+            for cell in row.cells:
+                cell_text = ""
+                for paragraph in cell.text_frame.paragraphs:
+                    if paragraph.text.strip():
+                        cell_text += paragraph.text.strip() + " "
+                row_text.append(cell_text.strip())
+            
+            if any(row_text):  # Skip empty rows
+                table_lines.append(" | ".join(row_text))
+        
+        return "\n".join(table_lines)
+    
+    def save(self, content, output_path):
+        os.makedirs(os.path.dirname(output_path), exist_ok=True)
+        with open(output_path, 'w', encoding='utf-8') as f:
+            f.write(content)