1 files changed, 178 insertions, 0 deletions
diff --git a/diplomacy/utils/exceptions.py b/diplomacy/utils/exceptions.py
new file mode 100644
index 0000000..4d564a3
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+++ b/diplomacy/utils/exceptions.py
@@ -0,0 +1,178 @@
+# ==============================================================================
+# Copyright (C) 2019 - Philip Paquette, Steven Bocco
+#
+#  This program is free software: you can redistribute it and/or modify it under
+#  the terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option) any
+#  later version.
+#
+#  This program is distributed in the hope that it will be useful, but WITHOUT
+#  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU Affero General Public License along
+#  with this program.  If not, see <https://www.gnu.org/licenses/>.
+# ==============================================================================
+""" Exceptions used in diplomacy network code. """
+
+class DiplomacyException(Exception):
+    """ Diplomacy network code exception. """
+
+    def __init__(self, message=''):
+        self.message = (message or self.__doc__).strip()
+        super(DiplomacyException, self).__init__(self.message)
+
+class AlreadyScheduledException(DiplomacyException):
+    """ Cannot add a data already scheduled. """
+
+class CommonKeyException(DiplomacyException):
+    """Common key error."""
+
+    def __init__(self, key):
+        super(CommonKeyException, self).__init__('Forbidden common key in two dicts (%s)' % key)
+
+class KeyException(DiplomacyException):
+    """ Key error. """
+
+    def __init__(self, key):
+        super(KeyException, self).__init__('Key error: %s' % key)
+
+class LengthException(DiplomacyException):
+    """ Length error. """
+
+    def __init__(self, expected_length, given_length):
+        super(LengthException, self).__init__('Expected length %d, got %d.' % (expected_length, given_length))
+
+class NaturalIntegerException(DiplomacyException):
+    """ Expected a positive integer (int >= 0). """
+
+    def __init__(self, integer_name=''):
+        super(NaturalIntegerException, self).__init__(
+            ('Integer error: %s.%s' % (integer_name, self.__doc__)) if integer_name else '')
+
+class NaturalIntegerNotNullException(NaturalIntegerException):
+    """ Expected a strictly positive integer (int > 0). """
+
+class RandomPowerException(DiplomacyException):
+    """ No enough playable powers to select random powers. """
+
+    def __init__(self, nb_powers, nb_available_powers):
+        super(RandomPowerException, self).__init__('Cannot randomly select %s power(s) in %s available power(s).'
+                                                   % (nb_powers, nb_available_powers))
+
+class TypeException(DiplomacyException):
+    """ Type error. """
+
+    def __init__(self, expected_type, given_type):
+        super(TypeException, self).__init__('Expected type %s, got type %s' % (expected_type, given_type))
+
+class ValueException(DiplomacyException):
+    """ Value error. """
+
+    def __init__(self, expected_values, given_value):
+        super(ValueException, self).__init__('Forbidden value %s, expected: %s'
+                                             % (given_value, ', '.join(str(v) for v in expected_values)))
+
+class NotificationException(DiplomacyException):
+    """ Unknown notification. """
+
+class ResponseException(DiplomacyException):
+    """ Unknown response. """
+
+class RequestException(ResponseException):
+    """ Unknown request. """
+
+class AdminTokenException(ResponseException):
+    """ Invalid token for admin operations. """
+
+class GameCanceledException(ResponseException):
+    """ Game was cancelled. """
+
+class GameCreationException(ResponseException):
+    """ Cannot create more games on that server. """
+
+class GameFinishedException(ResponseException):
+    """ This game is finished. """
+
+class GameIdException(ResponseException):
+    """ Invalid game ID. """
+
+class GameJoinRoleException(ResponseException):
+    """ A token can have only one role inside a game: player, observer or omniscient. """
+
+class GameMasterTokenException(ResponseException):
+    """ Invalid token for master operations. """
+
+class GameNotPlayingException(ResponseException):
+    """ Game not playing. """
+
+class GameObserverException(ResponseException):
+    """ Disallowed observation for non-master users. """
+
+class GamePhaseException(ResponseException):
+    """ Data does not match current game phase. """
+
+    def __init__(self, expected=None, given=None):
+        message = self.__doc__.strip()
+        # This is to prevent an unexpected Pycharm warning about message type.
+        if isinstance(message, bytes):
+            message = message.decode()
+        if expected is not None:
+            message += ' Expected: %s' % expected
+        if given is not None:
+            message += ' Given: %s' % given
+        super(GamePhaseException, self).__init__(message)
+
+class GamePlayerException(ResponseException):
+    """ Invalid player. """
+
+class GameRegistrationPasswordException(ResponseException):
+    """ Invalid game registration password. """
+
+class GameSolitaireException(ResponseException):
+    """ A solitaire game does not accepts players. """
+
+class GameTokenException(ResponseException):
+    """ Invalid token for this game. """
+
+class MapIdException(ResponseException):
+    """ Invalid map ID. """
+
+class MapPowerException(ResponseException):
+    """ Invalid map power. """
+
+    def __init__(self, power_name):
+        super(MapPowerException, self).__init__('Invalid map power %s' % power_name)
+
+class ServerDataDirException(ResponseException):
+    """ No data directory available in server folder. """
+
+class FolderException(ResponseException):
+    """ Given folder not available in server. """
+    def __init__(self, folder_path):
+        super(FolderException, self).__init__('Given folder not available in server: %s' % folder_path)
+
+class ServerGameDirException(ResponseException):
+    """ No games directory available in server/data folder. """
+
+class ServerRegistrationException(ResponseException):
+    """ Registration currently not allowed on this server. """
+
+class TokenException(ResponseException):
+    """ Invalid token. """
+
+class UserException(ResponseException):
+    """ Invalid user. """
+
+class PasswordException(ResponseException):
+    """ Password must not be empty. """
+
+class VoteCreationException(ResponseException):
+    """ Only either a player or a game master for a game with at least 1 player can create a vote. """
+
+class ServerDirException(ResponseException):
+    """ Error with working folder. """
+
+    def __init__(self, server_dir):
+        super(ServerDirException, self).__init__("No server directory available at path %s" % server_dir)