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Microsoft PowerPoint Document Loader

Microsoft PowerPoint is a presentation program for creating and displaying slide shows. This module provides functionality to load and process PowerPoint files using officeparser.

This module provides a sophisticated PowerPoint document loader that can: - Load PowerPoint presentations - Extract text from slides - Split content into individual slides - Handle slide numbering - Process metadata per slide - Support multiple slide formats - Handle various slide separators

Inputs

Required Parameters

  • PowerPoint File: The PowerPoint file(s) to process (.ppt, .pptx)

Optional Parameters

  • Text Splitter: A text splitter to process the extracted content
  • Additional Metadata: JSON object with additional metadata
  • Omit Metadata Keys: Comma-separated list of metadata keys to omit

Outputs

  • Document: Array of document objects containing metadata and pageContent
  • Text: Concatenated string from pageContent of documents

Features

  • Text extraction
  • Slide separation
  • Metadata handling
  • Error handling
  • Memory-efficient processing
  • Heuristic slide detection
  • Content filtering

Slide Detection Methods

Pattern Recognition

The loader attempts to identify slides using common patterns: - "Slide X" markers - "Page X" markers - "X/Y" page numbers - Underscore separators - Dash separators - Multiple newlines

Fallback Mechanisms

If pattern recognition fails: 1. Split by double newlines 2. Treat content as single slide

Document Structure

Each document contains: - pageContent: Extracted text content from the slide - metadata: - slideNumber: Sequential slide number - documentType: "powerpoint" - Additional custom metadata

Content Processing

  • Empty slides are filtered out
  • Leading/trailing whitespace removed
  • Minimum content length validation
  • Reasonable slide count validation

Metadata Attributes

Default attributes include: - slideNumber: Slide number (number) - documentType: Type of document (string) - Custom metadata from input

Notes

  • Uses officeparser for extraction
  • Handles various slide formats
  • Intelligent slide detection
  • Content validation
  • Memory-efficient processing
  • Error handling for invalid files
  • Flexible output formats
  • Robust fallback mechanisms