1 files changed, 51 insertions, 0 deletions
diff --git a/astroid/exceptions.py b/astroid/exceptions.py
new file mode 100644
index 00000000..3889e2e7
--- /dev/null
+++ b/astroid/exceptions.py
@@ -0,0 +1,51 @@
+# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of astroid.
+#
+# astroid is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by the
+# Free Software Foundation, either version 2.1 of the License, or (at your
+# option) any later version.
+#
+# astroid 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 Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with astroid. If not, see <http://www.gnu.org/licenses/>.
+"""this module contains exceptions used in the astroid library
+
+"""
+
+__doctype__ = "restructuredtext en"
+
+class AstroidError(Exception):
+    """base exception class for all astroid related exceptions"""
+
+class AstroidBuildingException(AstroidError):
+    """exception class when we are unable to build an astroid representation"""
+
+class ResolveError(AstroidError):
+    """base class of astroid resolution/inference error"""
+
+class NotFoundError(ResolveError):
+    """raised when we are unable to resolve a name"""
+
+class InferenceError(ResolveError):
+    """raised when we are unable to infer a node"""
+
+class UseInferenceDefault(Exception):
+    """exception to be raised in custom inference function to indicate that it
+    should go back to the default behaviour
+    """
+
+class UnresolvableName(InferenceError):
+    """raised when we are unable to resolve a name"""
+
+class NoDefault(AstroidError):
+    """raised by function's `default_value` method when an argument has
+    no default value
+    """
+