# Phones with types for phone in contact.get('phone', []): ptype = phone.get('type', '').upper() if ptype: lines.append(f"TEL;TYPE=ptype:phone['number']") else: lines.append(f"TEL:phone['number']")
vcf_output = [] for contact in contacts: vcf_output.append(json_to_vcf(contact))
1. Introduction The vCard (VCF) format is a long-standing standard (RFC 6350) for electronic business cards, widely used in email clients, mobile phones, and contact management systems. JSON (JavaScript Object Notation), on the other hand, is a modern, lightweight data-interchange format favored by web APIs and databases.
"version": "4.0", "fullName": "John Doe", "telephone": [ "type": ["work", "voice"], "value": "+1-555-123-4567" ], "email": ["john.doe@example.com"]
Example unfolded:
# Emails for email in contact.get('email', []): lines.append(f"EMAIL:email")
# Full name lines.append(f"FN:contact.get('fullName', '')")