Omit

import typemap_extensions as tm
from typemap import eval_typing

class User:
    id: int
    name: str
    email: str
    password_hash: str
    created_at: datetime

# Remove sensitive fields
PublicUser = eval_typing(tm.Omit[User, tuple["password_hash", "created_at"]])
# Results in: class with id: int, name: str, email: str

class Omit[T, K]:
    """Omit specific fields from a type."""

class User:
    username: str
    email: str
    password_hash: str

# For API responses - never include password!
SafeUser = eval_typing(tm.Omit[User, tuple["password_hash"]])

class Post:
    id: int
    title: str
    content: str
    author_id: int
    created_at: datetime
    updated_at: datetime

# Exclude metadata fields
PostPreview = eval_typing(tm.Omit[Post, tuple["created_at", "updated_at"]])

// TypeScript
type SafeUser = Omit<User, "password_hash">;

// typemap
SafeUser = eval_typing(tm.Omit[User, tuple["password_hash"]])