added merge pdfs, fixed jpgstopdf arg issues,

csvtojson.py

@@ -1,26 +1,54 @@
 import csv
 import json
 import sys
+import os
 
-if len(sys.argv) != 3:
-    print("Usage: python csv_to_json.py <input_csv_path> <output_json_path>")
-    sys.exit(1)
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: python csvtojson.py <input_csv_path> <output_json_path>")
+        sys.exit(1)
 
-input_csv_path = sys.argv[1]
-output_json_path = sys.argv[2]
+    input_csv_path = sys.argv[1]
+    output_json_path = sys.argv[2]
 
-try:
-    with open(input_csv_path, 'r') as csv_file:
-        reader = csv.DictReader(csv_file)
-        data = list(reader)
-except Exception as e:
-    print(f"Error reading CSV file: {e}")
-    sys.exit(1)
+    # Check if the input CSV file exists
+    if not os.path.isfile(input_csv_path):
+        print(f"Error: The input CSV file '{input_csv_path}' does not exist.")
+        sys.exit(1)
+
+    # Check if the output directory is writable
+    output_dir = os.path.dirname(output_json_path)
+    if output_dir and not os.access(output_dir, os.W_OK):
+        print(f"Error: The output directory '{output_dir}' is not writable.")
+        sys.exit(1)
+
+    try:
+        # Read the CSV file
+        with open(input_csv_path, 'r', newline='', encoding='utf-8') as csv_file:
+            reader = csv.DictReader(csv_file)
+            data = list(reader)
+    except FileNotFoundError:
+        print(f"Error: The input CSV file '{input_csv_path}' was not found.")
+        sys.exit(1)
+    except csv.Error as e:
+        print(f"Error reading CSV file: {e}")
+        sys.exit(1)
+    except Exception as e:
+        print(f"An unexpected error occurred while reading the CSV file: {e}")
+        sys.exit(1)
+
+    try:
+        # Write data to JSON file
+        with open(output_json_path, 'w', encoding='utf-8') as json_file:
+            json.dump(data, json_file, indent=4, ensure_ascii=False)
+        print(f"Conversion complete. Check the '{output_json_path}' file.")
+    except PermissionError:
+        print(f"Error: Permission denied when writing to '{output_json_path}'.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"An unexpected error occurred while writing the JSON file: {e}")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()
 
-try:
-    with open(output_json_path, 'w') as json_file:
-        json.dump(data, json_file, indent=4)
-    print(f"Conversion complete. Check the {output_json_path} file.")
-except Exception as e:
-    print(f"Error writing JSON file: {e}")
-    sys.exit(1)