2026-01-21 18:06:34 +08:00

95 lines
2.5 KiB
Python

#!/usr/bin/env python3
"""Parse structured data from PDF forms and tables.
This script demonstrates advanced PDF processing capabilities.
"""
import sys
import json
import os
def parse_pdf(file_path: str, extract_tables: bool, extract_forms: bool):
"""
Parse structured data from PDF (mock implementation).
In a real implementation, this would use libraries like:
- tabula-py or camelot for table extraction
- PyPDF2 or pdfplumber for form field extraction
Args:
file_path: Path to the PDF file
extract_tables: Whether to extract tables
extract_forms: Whether to extract form fields
Returns:
dict with parsed data
"""
result = {
"file_path": file_path,
"extracted_data": {}
}
if extract_tables:
result["extracted_data"]["tables"] = [
{
"page": 1,
"rows": 5,
"columns": 3,
"data": [
["Header1", "Header2", "Header3"],
["Row1Col1", "Row1Col2", "Row1Col3"],
["Row2Col1", "Row2Col2", "Row2Col3"]
]
}
]
if extract_forms:
result["extracted_data"]["forms"] = {
"name": "John Doe",
"email": "john@example.com",
"checkbox_agree": True
}
return result
def main():
"""Main entry point for PDF parsing script."""
try:
# Read JSON arguments from stdin
args = json.load(sys.stdin)
# Validate and extract arguments
file_path = args.get("file_path")
if not file_path:
raise ValueError("Missing required argument: file_path")
extract_tables = args.get("extract_tables", False)
extract_forms = args.get("extract_forms", False)
# Perform parsing
result = parse_pdf(file_path, extract_tables, extract_forms)
# Output result as JSON
print(json.dumps(result, indent=2))
sys.exit(0)
except json.JSONDecodeError as e:
error = {"error": "Invalid JSON input", "details": str(e)}
print(json.dumps(error), file=sys.stderr)
sys.exit(1)
except ValueError as e:
error = {"error": "Invalid arguments", "details": str(e)}
print(json.dumps(error), file=sys.stderr)
sys.exit(1)
except Exception as e:
error = {"error": "Unexpected error", "details": str(e)}
print(json.dumps(error), file=sys.stderr)
sys.exit(1)
if __name__ == "__main__":
main()