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change how HttpClient.get handles errors

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* raise `blib.HttpError` on non 200 and 202 statuses
* use `EmptyBodyError` instead of `ValueError` for empty bodies
This commit is contained in:
Izalia Mae 2024-09-15 04:35:00 -04:00
parent 619b1d5560
commit ca70c1b293
2 changed files with 19 additions and 12 deletions
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2
relay/errors.py Normal file
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@ -0,0 +1,2 @@
class EmptyBodyError(Exception):
pass

29
relay/http_client.py
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@ -4,12 +4,13 @@ import json
from aiohttp import ClientSession, ClientTimeout, TCPConnector from aiohttp import ClientSession, ClientTimeout, TCPConnector
from aputils import AlgorithmType, Nodeinfo, ObjectType, Signer, WellKnownNodeinfo from aputils import AlgorithmType, Nodeinfo, ObjectType, Signer, WellKnownNodeinfo
from blib import JsonBase from blib import HttpError, JsonBase
from typing import TYPE_CHECKING, Any, TypeVar, overload from typing import TYPE_CHECKING, Any, TypeVar, overload
from . import __version__, logger as logging from . import __version__, logger as logging
from .cache import Cache from .cache import Cache
from .database.schema import Instance from .database.schema import Instance
from .errors import EmptyBodyError
from .misc import MIMETYPES, Message, get_app from .misc import MIMETYPES, Message, get_app
if TYPE_CHECKING: if TYPE_CHECKING:
@ -107,11 +108,7 @@ class HttpClient:
if not self._session: if not self._session:
raise RuntimeError('Client not open') raise RuntimeError('Client not open')
try: url = url.split("#", 1)[0]
url, _ = url.split('#', 1)
except ValueError:
pass
if not force: if not force:
try: try:
@ -136,10 +133,17 @@ class HttpClient:
data = await resp.text() data = await resp.text()
if resp.status != 200: if resp.status not in (200, 202):
logging.verbose('Received error when requesting %s: %i', url, resp.status) logging.verbose('Received error when requesting %s: %i', url, resp.status)
logging.debug(data) logging.debug(data)
return None
try:
error = json.loads(data)["error"]
except Exception:
error = data
raise HttpError(resp.status, error)
self.cache.set('request', url, data, 'str') self.cache.set('request', url, data, 'str')
return data return data
@ -151,7 +155,7 @@ class HttpClient:
sign_headers: bool, sign_headers: bool,
cls: None = None, cls: None = None,
force: bool = False, force: bool = False,
old_algo: bool = True) -> None: ... old_algo: bool = True) -> str | None: ...
@overload @overload
@ -168,7 +172,7 @@ class HttpClient:
sign_headers: bool, sign_headers: bool,
cls: type[T] | None = None, cls: type[T] | None = None,
force: bool = False, force: bool = False,
old_algo: bool = True) -> T | None: old_algo: bool = True) -> T | str | None:
if cls is not None and not issubclass(cls, JsonBase): if cls is not None and not issubclass(cls, JsonBase):
raise TypeError('cls must be a sub-class of "blib.JsonBase"') raise TypeError('cls must be a sub-class of "blib.JsonBase"')
@ -177,11 +181,12 @@ class HttpClient:
if cls is not None: if cls is not None:
if data is None: if data is None:
raise ValueError("Empty response") # this shouldn't actually get raised, but keeping just in case
raise EmptyBodyError(f"GET {url}")
return cls.parse(data) return cls.parse(data)
return None return data
async def post(self, url: str, data: Message | bytes, instance: Instance | None = None) -> None: async def post(self, url: str, data: Message | bytes, instance: Instance | None = None) -> None: