Files
drb-core-client/app/base_api.py
2025-06-07 23:07:34 -04:00

70 lines
2.6 KiB
Python

import httpx
class BaseAPI():
def __init__(self):
self._client = httpx.AsyncClient()
self.access_token = None # Placeholder, will be set by derived class or external config
async def __aenter__(self):
"""Allows using the client with async with."""
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
"""Ensures the client is closed when exiting async with."""
await self.close()
async def close(self):
"""Closes the underlying asynchronous HTTP client."""
if self._client: # Ensure _client exists before trying to close
await self._client.close()
async def _post(self, endpoint: str, data: dict = None):
"""
Asynchronous helper method for making POST requests.
This method will now implicitly use the _request method,
so authentication logic is centralized.
"""
return await self._request("POST", endpoint, json=data)
async def _get(self, endpoint: str):
"""
Asynchronous helper method for making GET requests.
This method will now implicitly use the _request method,
so authentication logic is centralized.
"""
return await self._request("GET", endpoint)
async def _request(self, method, endpoint, **kwargs):
"""
Helper method to make an asynchronous HTTP request.
This is where the access_token will be injected.
Args:
method (str): The HTTP method (e.g., 'GET', 'POST').
endpoint (str): The API endpoint path (e.g., '/systems').
**kwargs: Additional arguments for httpx.AsyncClient.request.
Returns:
dict: The JSON response from the API.
Raises:
httpx.HTTPStatusError: If the request returns a non-2xx status code.
httpx.RequestError: For other request-related errors.
"""
url = f"{self.base_url}{endpoint}" # base_url must be defined in derived class or passed to BaseAPI
headers = kwargs.pop("headers", {})
if self.access_token: # Check if access_token is set
headers["Authorization"] = f"Bearer {self.access_token}"
kwargs["headers"] = headers
try:
response = await self._client.request(method, url, **kwargs)
response.raise_for_status() # Raise an exception for bad status codes (4xx or 5xx)
return response.json()
except httpx.HTTPStatusError as e:
print(f"HTTP error occurred: {e}")
raise
except httpx.RequestError as e:
print(f"An error occurred while requesting {e.request.url!r}: {e}")
raise