63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
import json
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import csv
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import sys
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import os
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def convert_json_to_csv(input_json_path, output_csv_path):
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# Check if the input JSON file exists
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if not os.path.isfile(input_json_path):
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print(f"Error: The input JSON file '{input_json_path}' does not exist.")
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sys.exit(1)
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# Check if the output directory is writable
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output_dir = os.path.dirname(output_csv_path)
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if output_dir and not os.access(output_dir, os.W_OK):
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print(f"Error: The output directory '{output_dir}' is not writable.")
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sys.exit(1)
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try:
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# Load JSON data
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with open(input_json_path, 'r', encoding='utf-8') as json_file:
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data = json.load(json_file)
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if not isinstance(data, list) or not data:
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print("Error: The JSON file must contain a list of objects.")
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sys.exit(1)
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except json.JSONDecodeError:
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print(f"Error: Failed to decode JSON file '{input_json_path}'. Please check if the file is valid JSON.")
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sys.exit(1)
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except Exception as e:
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print(f"Error reading JSON file: {e}")
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sys.exit(1)
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try:
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# Write data to CSV
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with open(output_csv_path, 'w', newline='', encoding='utf-8') as csv_file:
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writer = csv.writer(csv_file)
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# Write headers
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headers = data[0].keys()
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writer.writerow(headers)
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# Write data rows
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for row in data:
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writer.writerow([row.get(header, "") for header in headers])
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print(f"Conversion complete. Check the '{output_csv_path}' file.")
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except PermissionError:
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print(f"Error: Permission denied when writing to '{output_csv_path}'.")
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sys.exit(1)
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except Exception as e:
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print(f"Error writing CSV file: {e}")
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sys.exit(1)
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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print("Usage: python jsontocsv.py <input_json_path> <output_csv_path>")
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sys.exit(1)
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input_json_path = sys.argv[1]
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output_csv_path = sys.argv[2]
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convert_json_to_csv(input_json_path, output_csv_path)
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