import argparse

import json

import time

def parse_metadata_arguments(metadata_file, retry_interval=5):

"""

Parses metadata arguments from a JSON file, handling retry intervals.

Args:

metadata_file (str): Path to the JSON metadata file.

retry_interval (int): Retry interval in seconds (default: 5).

Returns:

dict: A dictionary containing the parsed metadata arguments.

Returns None if file not found or invalid JSON.

"""

try:

with open(metadata_file, 'r') as f:

metadata = json.load(f)

except FileNotFoundError:

print(f"Error: Metadata file not found: {metadata_file}")

return None

except json.JSONDecodeError:

print(f"Error: Invalid JSON in metadata file: {metadata_file}")

return None

# Validate required fields (example)

if 'target' not in metadata or 'retries' not in metadata:

print("Error: Metadata file missing required fields (target, retries).")

return None

# Ensure retries is an integer

if not isinstance(metadata['retries'], int) or metadata['retries'] <= 0:

print("Error: 'retries' must be a positive integer.")

return None

# Process retry interval

if 'retry_interval' in metadata:

try:

retry_interval = int(metadata['retry_interval'])

if retry_interval <= 0:

print("Error: retry_interval must be a positive integer.")

return None

except ValueError:

print("Error: retry_interval is not a valid integer.")

return None

return metadata

if __name__ == '__main__':

parser = argparse.ArgumentParser(description='Parse metadata arguments.')

parser.add_argument('metadata_file', type=str, help='Path to the metadata file.')

parser.add_argument('--retry_interval', type=int, default=5, help='Retry interval in seconds.')

args = parser.parse_args()

metadata = parse_metadata_arguments(args.metadata_file, args.retry_interval)

if metadata:

print("Parsed Metadata:")

print(json.dumps(metadata, indent=4)) # Pretty print for readability