98 lines
2.5 KiB
Python
98 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""Extract text and metadata from PDF files.
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This script demonstrates reading JSON arguments from stdin,
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processing them, and outputting results in JSON format.
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Environment Variables:
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- SKILL_NAME: Name of the parent skill
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- SKILL_BASE_DIR: Base directory of the skill
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- SKILL_VERSION: Version of the skill
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- SKILLKIT_VERSION: Version of skillkit
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"""
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import sys
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import json
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import os
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def extract_pdf(file_path: str, pages: str | list):
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"""
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Extract text from PDF file (mock implementation).
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In a real implementation, this would use a library like PyPDF2 or pdfplumber.
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Args:
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file_path: Path to the PDF file
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pages: "all" or list of page numbers
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Returns:
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dict with extracted text and metadata
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"""
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# Mock implementation for demonstration
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return {
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"text": f"Extracted text from {file_path}",
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"metadata": {
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"title": "Sample Document",
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"author": "skillkit",
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"pages": 10,
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"file_path": file_path,
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"requested_pages": pages
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},
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"environment": {
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"skill_name": os.getenv("SKILL_NAME"),
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"skill_base_dir": os.getenv("SKILL_BASE_DIR"),
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"skill_version": os.getenv("SKILL_VERSION"),
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"skillkit_version": os.getenv("SKILLKIT_VERSION")
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}
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}
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def main():
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"""Main entry point for the PDF extraction script."""
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try:
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# Read JSON arguments from stdin
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args = json.load(sys.stdin)
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# Validate required arguments
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if "file_path" not in args:
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raise ValueError("Missing required argument: file_path")
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# Extract optional arguments
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file_path = args["file_path"]
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pages = args.get("pages", "all")
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# Perform extraction
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result = extract_pdf(file_path, pages)
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# Output result as JSON
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print(json.dumps(result, indent=2))
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sys.exit(0)
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except json.JSONDecodeError as e:
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error = {
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"error": "Invalid JSON input",
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"details": str(e)
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}
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print(json.dumps(error), file=sys.stderr)
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sys.exit(1)
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except ValueError as e:
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error = {
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"error": "Invalid arguments",
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"details": str(e)
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}
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print(json.dumps(error), file=sys.stderr)
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sys.exit(1)
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except Exception as e:
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error = {
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"error": "Unexpected error",
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"details": str(e)
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}
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print(json.dumps(error), file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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