import pandas as pd
import time

def measure_time(func):   #already decorated the read_file()
    """Decorator for measuring time taken during the OCR"""
    def wrapper(*args, **kwargs):
        start = time.time()
        result = func(*args, **kwargs)
        end = time.time()
        print(f"Execution time: {end - start:.6f} seconds")
        return result
    return wrapper

def safe_dataframe(data, key):
    """Safely convert extracted data to a pandas DataFrame"""
    try:
        return pd.DataFrame(data[key])
    except Exception as e:
        print(f"Error creating {key} DataFrame: {e}")
        return pd.DataFrame()