Some exceptions.

_exceptions.py

@@ -0,0 +1,55 @@
+'''
+    librfid - RFID EPC Class 1 Gen2 / ISO/IEC 18000-6C compliant library
+
+    Copyright (C) 2013  Entr'ouvert
+
+    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 <http://www.gnu.org/licenses/>.
+'''
+
+
+class BadLengthMessageException(Exception):
+    pass
+
+class BadCRCException(Exception):
+    pass
+
+class CommandResponseCodeMismatchException(Exception):
+    pass
+
+class CommandResponseTypeMismatchException(Exception):
+    pass
+
+class ReaderResponseError(Exception):
+    pass
+
+class UnknownReaderTypeException(Exception):
+    pass
+
+class StandardResponseError(Exception):
+    pass
+
+class UnknownResponseErrorType(Exception):
+    pass
+
+class UnknownReaderException(Exception):
+    pass
+
+class MalformedDataError(Exception):
+    pass
+
+class BadParameterException(Exception):
+    pass
+
+class OverheadException(Exception):
+    pass