Subliminal base

libs/subliminal/exceptions.py

@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+#
+# Subliminal - Subtitles, faster than your thoughts
+# Copyright (c) 2011 Antoine Bertin <diaoulael@gmail.com>
+#
+# This file is part of Subliminal.
+#
+# Subliminal is free software; you can redistribute it and/or modify it under
+# the terms of the Lesser GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Subliminal 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
+# Lesser GNU General Public License for more details.
+#
+# You should have received a copy of the Lesser GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+class Error(Exception):
+    """Base class for exceptions in subliminal"""
+    pass
+
+
+class BadStateError(Error):
+    """Exception raised when an invalid action is asked
+
+    Attributes:
+        current  -- current state of Subliminal instance
+        expected -- expected state of Subliminal instance
+    """
+    def __init__(self, current, expected):
+        self.current = current
+        self.expected = expected
+
+    def __str__(self):
+        return 'Expected state %d but current state is %d' % (self.expected, self.current)
+
+
+class InvalidLanguageError(Error):
+    """Exception raised when invalid language is submitted
+
+    Attributes:
+        language -- language that cause the error
+    """
+    def __init__(self, language):
+        self.language = language
+
+    def __str__(self):
+        return self.language
+
+
+class MissingLanguageError(Error):
+    """Exception raised when a missing language is found
+
+    Attributes:
+        language -- the missing language
+    """
+    def __init__(self, language):
+        self.language = language
+
+    def __str__(self):
+        return self.language
+
+
+class InvalidPluginError(Error):
+    """"Exception raised when invalid plugin is submitted
+
+    Attributes:
+        plugin -- plugin that cause the error
+    """
+    def __init__(self, plugin):
+        self.plugin = plugin
+
+    def __str__(self):
+        return self.plugin
+
+
+class PluginError(Error):
+    """"Exception raised by plugins"""
+    pass
+
+
+class WrongTaskError(Error):
+    """"Exception raised when invalid task is submitted"""
+    pass
+
+
+class DownloadFailedError(Error):
+    """"Exception raised when a download task has failed in plugin"""
+    pass
+
+
+class UnknownVideoError(Error):
+    """"Exception raised when a video could not be identified"""
+    pass