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Original file line number | Diff line number | Diff line change |
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import asyncio | ||
import logging | ||
from json import JSONDecodeError | ||
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import aiohttp | ||
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from .errors import RateLimitedException, NotFoundException, ServerErrorException | ||
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class HttpClient: | ||
WAIT_RATE_LIMIT = 60 | ||
WAIT_SERVER_ERROR = 5 | ||
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def __init__(self): | ||
self.__session = None | ||
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async def start(self): | ||
if self.__session is None: | ||
self.__session = aiohttp.ClientSession() | ||
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async def close(self): | ||
if self.__session: | ||
await self.__session.close() | ||
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async def request(self, method, url, **kwargs): | ||
async def attempt(): | ||
async with self.__session.request(method, url, **kwargs) as response: | ||
self.verify_response(response) | ||
return await self.get_json(response) | ||
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return await self.request_attempt(attempt) | ||
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@staticmethod | ||
async def get_json(response): | ||
try: | ||
data = await response.json() | ||
except JSONDecodeError: | ||
logging.exception("JSONDecodeError, response: %r, response.text: %r", response, response.text) | ||
data = {"error": "Failed to decode json from scoresaber. Somethings broken."} | ||
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return data | ||
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@staticmethod | ||
def verify_response(response): | ||
if response.status == 429: | ||
raise RateLimitedException(response) | ||
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if 400 <= response.status < 500: | ||
raise NotFoundException(response) | ||
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if 500 <= response.status < 600: | ||
raise ServerErrorException(response) | ||
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async def request_attempt(self, func): | ||
attempt = 0 | ||
attempting = True | ||
last_exception = None | ||
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while attempting and attempt < 6: | ||
try: | ||
result = await func() | ||
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attempting = False | ||
return result | ||
except ServerErrorException as error: | ||
attempt += 1 | ||
logging.info(str(error)) | ||
logging.info(f"Waiting {self.WAIT_SERVER_ERROR} seconds...") | ||
last_exception = error | ||
await asyncio.sleep(self.WAIT_SERVER_ERROR) | ||
except RateLimitedException as error: | ||
attempt += 1 | ||
logging.info(str(error)) | ||
logging.info(f"Waiting {self.WAIT_RATE_LIMIT} seconds...") | ||
last_exception = error | ||
await asyncio.sleep(self.WAIT_RATE_LIMIT) | ||
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if last_exception is not None: | ||
raise last_exception |
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