main.py
import json from pydantic import BaseModel, EmailStr, ValidationError, validator
class Employee(BaseModel): name: str age: int email: EmailStr department: str employee_id: str
@validator("employee_id")
def validate_employee_id(cls, v):
if not v.isalnum() or len(v) != 6:
raise ValueError("Employee ID must be exactly 6 alphanumeric characters")
return v
Load and parse the JSON data
with open("employees.json", "r") as f: data = json.load(f)
Validate each employee record
for record in data: try: employee = Employee(**record) print(f"Valid employee record: {employee.name}") except ValidationError as e: print(f"Invalid employee record: {record 'name' » }") print(f"Errors: {e.errors()}"
