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echo_bot: Remove useless returns

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Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
This commit is contained in:
Maxime “pep” Buquet 2022-03-12 01:26:51 +01:00
parent a495d7d7c8
commit 320105988a
Signed by: pep
GPG key ID: DEDA74AEECA9D0F2
1 changed files with 6 additions and 12 deletions
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8
examples/echo_client.py
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@ -145,14 +145,12 @@ class EchoBot(ClientXMPP):
# decrypt_message returns Optional[str]. It is possible to get
# body-less OMEMO message (see KeyTransportMessages), currently
# used for example to send heartbeats to other devices.
if body is None:
return None
if body is not None:
decoded = body.decode('utf8')
if self.is_command(decoded):
await self.handle_command(mto, mtype, decoded)
elif self.debug_level == LEVEL_DEBUG:
await self.encrypted_reply(mto, mtype, f'Echo: {decoded}')
return None
except (MissingOwnKey,):
# The message is missing our own key, it was not encrypted for
# us, and we can't decrypt it.
@ -160,7 +158,6 @@ class EchoBot(ClientXMPP):
mto, mtype,
'Error: Message not encrypted for me.',
)
return None
except (NoAvailableSession,) as exn:
# We received a message from that contained a session that we
# don't know about (deleted session storage, etc.). We can't
@ -173,7 +170,6 @@ class EchoBot(ClientXMPP):
'Error: Message uses an encrypted '
'session I don\'t know about.',
)
return None
except (UndecidedException, UntrustedException) as exn:
# We received a message from an untrusted device. We can
# choose to decrypt the message nonetheless, with the
@ -189,13 +185,11 @@ class EchoBot(ClientXMPP):
)
# We resend, setting the `allow_untrusted` parameter to True.
await self.message_handler(msg, allow_untrusted=True)
return None
except (EncryptionPrepareException,):
# Slixmpp tried its best, but there were errors it couldn't
# resolve. At this point you should have seen other exceptions
# and given a chance to resolve them already.
await self.plain_reply(mto, mtype, 'Error: I was not able to decrypt the message.')
return None
except (Exception,) as exn:
await self.plain_reply(mto, mtype, 'Error: Exception occured while attempting decryption.\n%r' % exn)
raise