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#!/usr/bin/env python3
#
# This program is made by the World Sus Foundation by Andrew.
#
# Various utility functions for the Internet Delay Chat server written
# in Python Trio. This library is not intended to be used outside of
# that program.
#
# Written by: Andrew <https://www.andrewyu.org>
# luk3yx <https://luk3yx.github.io>
#
# This is free and unencumbered software released into the public
# domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
class Severity:
UNKNOWN = b"UNKNOWN"
YAY = b"YAY"
NORM = b"NORM"
FAIL = b"FAIL"
WARN = b"WARN"
ERROR = b"ERROR"
SECURITY = b"SECURITY"
FATAL = b"FATAL"
THE_PROGRAMMER_IS_DUMB = b"THE_PROGRAMMER_IS_DUMB"
class IDCException(Exception):
severity = Severity.UNKNOWN
error_type = b"UNKNOWN"
class IdiotError(IDCException):
severity = Severity.THE_PROGRAMMER_IS_DUMB
error_type = b"YOU_DUMB_DEVELOPER"
class IDCUserCausedException(IDCException):
"""
Should be subclassed by all of the 'user did something wrong' errors
"""
severity = Severity.ERROR
error_type = b"USER_ERROR"
pass
class UnknownCommand(IDCUserCausedException):
error_type = b"UNKNOWN_COMMAND"
class MissingArgumentError(IDCUserCausedException):
error_type = b"MISSING_ARGUMENT"
class NotLoggedIn(IDCUserCausedException):
error_type = b"NOT_LOGGED_IN"
class AlreadyLoggedIn(IDCUserCausedException):
error_type = b"REDUNDENT_LOGIN"
class LoginFailed(IDCUserCausedException):
severity = Severity.FAIL
error_type = b"LOGIN_FAILED"
class NonAlphaKeyError(IDCUserCausedException):
"""
Putting non-letters into keywords
"""
error_type = b"INVALID_KEYWORD"
class EscapeSequenceError(IDCUserCausedException):
"""
I don't know this escape sequence
"""
error_type = b"DONT_KNOW"
class MultiCommandError(IDCUserCausedException):
"""
Multiple commands in one line
"""
error_type = b"MULTIPLE_CMDS"
class MessageUndeliverableError(IDCUserCausedException):
"""
User to deliver message to is offline and doesn't have the
offline-messages option.
"""
error_type = b"MSG_UNDELIVERABLE"
class UserNotFoundError(IDCUserCausedException):
"""
Raise this for clients trying to message, modify, or otherwise
interact with a nonexistant user.
"""
error_type = b"USER_NOT_FOUND"
class StrangeError(IDCException):
"""
Random errors that shouldn't exist and were probably caused by
either the hardware blowing up or huge bugs.
"""
error_type = b"DONT_KNOW"
class KeyCollisionError(IDCUserCausedException):
"""
Raise when there are redundent keys in a line.
"""
error_type = b"REDUNDENT_KEYS"
class NonexistantTargetError(IDCUserCausedException):
"""
target doesnt exist
"""
error_type = b"NONEXISTANT_TARGET"
class NoExternalMessagesError(IDCUserCausedException):
"""
sender not in chan
"""
error_type = b"NO_EXTERNAL_MESSAGES"
class TargetOfflineError(IDCUserCausedException):
"""
Target offline
"""
error_type = b"TARGET_OFFLINE"
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