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Add option to raise last error instead of generic ValueError

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Fixes #1568
This commit is contained in:
Tulir Asokan 2020-10-01 00:39:55 +03:00
parent 10b2b60415
commit 15bdad4ea5
1 changed files with 9 additions and 3 deletions
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12
telethon/client/users.py
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@ -26,10 +26,10 @@ def _fmt_flood(delay, request, *, early=False, td=datetime.timedelta):
class UserMethods:
async def __call__(self: 'TelegramClient', request, ordered=False):
return await self._call(self._sender, request, ordered=ordered)
async def __call__(self: 'TelegramClient', request, ordered=False, raise_last=False):
return await self._call(self._sender, request, ordered=ordered, raise_last=raise_last)
async def _call(self: 'TelegramClient', sender, request, ordered=False):
async def _call(self: 'TelegramClient', sender, request, ordered=False, raise_last=False):
requests = (request if utils.is_list_like(request) else (request,))
for r in requests:
if not isinstance(r, TLRequest):
@ -50,6 +50,7 @@ class UserMethods:
raise errors.FloodWaitError(request=r, capture=diff)
request_index = 0
last_error = None
self._last_request = time.time()
for attempt in retry_range(self._request_retries):
@ -82,12 +83,14 @@ class UserMethods:
except (errors.ServerError, errors.RpcCallFailError,
errors.RpcMcgetFailError, errors.InterdcCallErrorError,
errors.InterdcCallRichErrorError) as e:
last_error = e
self._log[__name__].warning(
'Telegram is having internal issues %s: %s',
e.__class__.__name__, e)
await asyncio.sleep(2)
except (errors.FloodWaitError, errors.SlowModeWaitError, errors.FloodTestPhoneWaitError) as e:
last_error = e
if utils.is_list_like(request):
request = request[request_index]
@ -106,6 +109,7 @@ class UserMethods:
raise
except (errors.PhoneMigrateError, errors.NetworkMigrateError,
errors.UserMigrateError) as e:
last_error = e
self._log[__name__].info('Phone migrated to %d', e.new_dc)
should_raise = isinstance(e, (
errors.PhoneMigrateError, errors.NetworkMigrateError
@ -114,6 +118,8 @@ class UserMethods:
raise
await self._switch_dc(e.new_dc)
if raise_last and last_error is not None:
raise last_error
raise ValueError('Request was unsuccessful {} time(s)'
.format(attempt))