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Except IOError and not ConnectionError

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PySocks' errors do not subclass ConnectionError so the library
was unnecessarily logging them as unexpected, when any IOError
was actually expected.
This commit is contained in:
Lonami Exo 2019-03-28 09:52:46 +01:00
parent c902428af1
commit 7523869875
3 changed files with 10 additions and 7 deletions
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4
telethon/network/connection/connection.py
View File

@ -144,7 +144,7 @@ class Connection(abc.ABC):
except asyncio.CancelledError:
pass
except Exception as e:
if isinstance(e, ConnectionError):
if isinstance(e, IOError):
self._log.info('The server closed the connection while sending')
else:
self._log.exception('Unexpected exception in the send loop')
@ -161,7 +161,7 @@ class Connection(abc.ABC):
except asyncio.CancelledError:
break
except Exception as e:
if isinstance(e, (ConnectionError, asyncio.IncompleteReadError)):
if isinstance(e, (IOError, asyncio.IncompleteReadError)):
msg = 'The server closed the connection'
self._log.info(msg)
elif isinstance(e, InvalidChecksumError):

8
telethon/network/mtprotosender.py
View File

@ -198,7 +198,7 @@ class MTProtoSender:
try:
self._log.debug('Connection attempt {}...'.format(attempt))
await self._connection.connect(timeout=self._connect_timeout)
except (ConnectionError, asyncio.TimeoutError) as e:
except (IOError, asyncio.TimeoutError) as e:
self._log.warning('Attempt {} at connecting failed: {}: {}'
.format(attempt, type(e).__name__, e))
await asyncio.sleep(self._delay)
@ -308,7 +308,7 @@ class MTProtoSender:
for attempt in retry_range(retries):
try:
await self._connect()
except (ConnectionError, asyncio.TimeoutError) as e:
except (IOError, asyncio.TimeoutError) as e:
self._log.info('Failed reconnection attempt %d with %s',
attempt, e.__class__.__name__)
@ -377,7 +377,7 @@ class MTProtoSender:
data = self._state.encrypt_message_data(data)
try:
await self._connection.send(data)
except ConnectionError:
except IOError:
self._log.info('Connection closed while sending data')
self._start_reconnect()
return
@ -404,7 +404,7 @@ class MTProtoSender:
self._log.debug('Receiving items from the network...')
try:
body = await self._connection.recv()
except ConnectionError:
except IOError:
self._log.info('Connection closed while receiving data')
self._start_reconnect()
return

5
telethon_examples/interactive_telegram_client.py
View File

@ -115,7 +115,10 @@ class InteractiveTelegramClient(TelegramClient):
print('Connecting to Telegram servers...')
try:
loop.run_until_complete(self.connect())
except ConnectionError:
except IOError:
# We handle IOError and not ConnectionError because
# PySocks' errors do not subclass ConnectionError
# (so this will work with and without proxies).
print('Initial connection failed. Retrying...')
loop.run_until_complete(self.connect())