Update vcf_gen.py

vcf_gen.py

@@ -1,24 +1,57 @@
 import os
+import pandas as pd
+from typing import List, Optional
 
-numbers = []
-group_name = input("Enter the group name: ")
+def validate_phone_number(number: str) -> bool:
+    """Validate if number contains only digits and has appropriate length."""
+    cleaned = ''.join(filter(str.isdigit, str(number)))
+    return len(cleaned) >= 10 and cleaned.isdigit()
 
-while True:
-    number = input("Enter a phone number (or press Enter to finish): ")
-    if number == "":
-        break
-    numbers.append(number)
+def create_vcf_contacts(excel_path: str, group_name: str = "Contacts") -> Optional[str]:
+    """Create VCF file from Excel containing phone numbers."""
+    try:
+        # Check if file exists
+        if not os.path.exists(excel_path):
+            raise FileNotFoundError(f"Excel file not found: {excel_path}")
 
+        # Read phone numbers from first column of Excel file
+        df = pd.read_excel(excel_path)
+        if df.empty:
+            raise ValueError("Excel file is empty")
+
+        numbers = df.iloc[:, 0].astype(str).tolist()
         filename = f"{group_name}_contacts.vcf"
+
+        valid_numbers = 0
+        skipped_numbers = 0
+
         with open(filename, 'w') as f:
             for i, number in enumerate(numbers, start=1):
+                if not validate_phone_number(number) or not number.isdigit():
+                    skipped_numbers += 1
+                    continue
+
+                try:
                     f.write("BEGIN:VCARD\n")
                     f.write("VERSION:3.0\n")
                     f.write(f"N:{group_name}_{i:03d};;;\n")
                     f.write(f"FN:{group_name}_{i:03d}\n")
                     f.write(f"TEL;TYPE=CELL:+91{number}\n")
-        f.write(f"X-WhatsApp-Group:{group_name}\n")  # Add WhatsApp group tag
+                    f.write(f"X-WhatsApp-Group:{group_name}\n")
                     f.write("END:VCARD\n\n")
+                    valid_numbers += 1
+                except IOError:
+                    raise
 
-print(f"A single VCF file '{filename}' with {len(numbers)} contacts has been created in the current directory.")
-print(f"These contacts are tagged for easy addition to a WhatsApp group named '{group_name}'.")
+        return filename
+
+    except pd.errors.EmptyDataError:
+        raise
+    except Exception:
+        raise
+
+if __name__ == "__main__":
+    try:
+        created_file = create_vcf_contacts('numbers.xlsx')
+    except Exception as e:
+        print(f"Failed to create contacts file: {str(e)}")