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| import os | |
| from typing import Dict, Any | |
| from starfish.data_ingest.parsers.base_parser import BaseParser | |
| class PPTParser(BaseParser): | |
| """Parser for PowerPoint presentations""" | |
| def __init__(self): | |
| super().__init__() | |
| self.supported_extensions = [".pptx"] | |
| self.metadata = {} | |
| def parse(self, file_path: str) -> str: | |
| """Parse a PPTX file into plain text | |
| Args: | |
| file_path: Path to the PPTX file | |
| Returns: | |
| Extracted text from the presentation | |
| """ | |
| try: | |
| from pptx import Presentation | |
| except ImportError: | |
| raise ImportError("python-pptx is required for PPTX parsing. Install it with: pip install python-pptx") | |
| prs = Presentation(file_path) | |
| # Extract metadata | |
| self.metadata = { | |
| "title": prs.core_properties.title, | |
| "author": prs.core_properties.author, | |
| "created": prs.core_properties.created, | |
| "modified": prs.core_properties.modified, | |
| "slides": len(prs.slides), | |
| } | |
| # Extract text from slides | |
| all_text = [] | |
| for i, slide in enumerate(prs.slides): | |
| slide_text = [] | |
| slide_text.append(f"--- Slide {i+1} ---") | |
| # Get slide title | |
| if slide.shapes.title and slide.shapes.title.text: | |
| slide_text.append(f"Title: {slide.shapes.title.text}") | |
| # Get text from shapes | |
| for shape in slide.shapes: | |
| if hasattr(shape, "text") and shape.text: | |
| slide_text.append(shape.text) | |
| all_text.append("\n".join(slide_text)) | |
| return "\n\n".join(all_text) | |
| def get_metadata(self) -> Dict[str, Any]: | |
| """Get presentation metadata | |
| Returns: | |
| Dictionary containing presentation metadata | |
| """ | |
| return self.metadata | |
| def is_supported(self, file_path: str) -> bool: | |
| """Check if the file is supported by this parser | |
| Args: | |
| file_path: Path to the file | |
| Returns: | |
| True if the file is supported, False otherwise | |
| """ | |
| return os.path.splitext(file_path)[1].lower() in self.supported_extensions | |