sickn33/agentic-awesome-skills/api-sdk-generator

sdk/
├── client.{ext}          — main client class with base URL, auth, retry
├── resources/
│   ├── users.{ext}       — one file per API resource
│   ├── orders.{ext}
│   └── ...
├── models/
│   ├── user.{ext}        — request/response data models
│   └── ...
├── errors.{ext}          — typed error classes
└── utils/
    ├── retry.{ext}
    └── pagination.{ext}

import httpx
from typing import Optional
import time
class APIClient:
    def __init__(self, api_key: str, base_url: str = "https://api.example.com/v1"):
        self.base_url = base_url
        self._headers = {
            "Authorization": f"Bearer {api_key}",
            "Content-Type": "application/json",
            "User-Agent": "example-sdk-python/1.0.0"
        }
        self._client = httpx.Client(timeout=30.0)
    def _request(self, method: str, path: str, **kwargs) -> dict:
        url = f"{self.base_url}{path}"
        # No automatic replay of writes: add bounded retries only for operations
        # documented as safe/idempotent, with API-supported idempotency keys.
        resp = self._client.request(method, url, headers=self._headers, **kwargs)
        if resp.is_error:
            raise APIError(resp.status_code, "Request failed")  # redact bodies/secrets
        if resp.status_code == 204 or not resp.content:
            return None
        return resp.json()  # validate against the endpoint response schema
    def close(self):
        self._client.close()

class APIClient {
  private readonly baseUrl: string;
  private readonly headers: Record<string, string>;
  constructor(apiKey: string, baseUrl = 'https://api.example.com/v1') {
    this.baseUrl = baseUrl;
    this.headers = {
      'Authorization': `Bearer ${apiKey}`,
      'Content-Type': 'application/json',
    };
  }
  async request<T>(method: string, path: string, body?: unknown): Promise<T> {
    const res = await fetch(`${this.baseUrl}${path}`, {
      method,
      headers: this.headers,
      body: body !== undefined ? JSON.stringify(body) : undefined,
      signal: AbortSignal.timeout(30_000),
    });
    if (!res.ok) {
      throw new Error(`API request failed: HTTP ${res.status}`);
    }
    if (res.status === 204) return undefined as T;
    return await res.json() as T; // A cast is not runtime schema validation.
  }
}

from dataclasses import dataclass
from typing import Optional, List
@dataclass
class User:
    id: str
    name: str
    email: str
    created_at: str
    role: Optional[str] = None
class UsersResource:
    def __init__(self, client: APIClient):
        self._client = client
    def list(self, page: int = 1, limit: int = 20) -> List[User]:
        data = self._client._request("GET", f"/users?page={page}&limit={limit}")
        return [User(**u) for u in data["data"]]
    def get(self, user_id: str) -> User:
        data = self._client._request("GET", f"/users/{user_id}")
        return User(**data)
    def create(self, name: str, email: str, role: Optional[str] = None) -> User:
        payload = {"name": name, "email": email}
        if role:
            payload["role"] = role
        data = self._client._request("POST", "/users", json=payload)
        return User(**data)
    def delete(self, user_id: str) -> None:
        self._client._request("DELETE", f"/users/{user_id}")

class APIError(Exception):
    def __init__(self, status_code: int, message: str):
        self.status_code = status_code
        self.message = message
        super().__init__(f"HTTP {status_code}: {message}")
class AuthenticationError(APIError): pass   # 401
class AuthorizationError(APIError): pass    # 403
class NotFoundError(APIError): pass         # 404
class ValidationError(APIError): pass       # 422
class RateLimitError(APIError): pass        # 429
class ServerError(APIError): pass           # 5xx

def paginate_pages(fetch_page, max_pages=100):
    """fetch_page(page) must return {data: [...], total_pages: int}."""
    for page in range(1, max_pages + 1):
        result = fetch_page(page)
        yield from result["data"]
        if page >= result["total_pages"]:
            return
    raise RuntimeError("Pagination limit reached")