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#!/usr/bin/env python
##############################################################################
##
## This file is part of Sardana
##
## http://www.sardana-controls.org/
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Sardana 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 3 of the License, or
## (at your option) any later version.
##
## Sardana 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 Sardana. If not, see <http://www.gnu.org/licenses/>.
##
##############################################################################
"""This module is part of the Python Sardana libray. It defines the base classes
for sardana exceptions"""
from __future__ import absolute_import
__all__ = [ "AbortException", "SardanaException", "SardanaExceptionList",
"UnknownCode", "UnknownLibrary", "LibraryError",
"format_exception_only", "format_exception_only_str"]
__docformat__ = 'restructuredtext'
import sys
import traceback
def format_exception_only(etype, value):
msg = traceback.format_exception_only(etype, value)
if msg[-1].endswith("\n"):
msg[-1] = msg[-1][:-1]
return msg
def format_exception_only_str(etype, value):
return "".join(format_exception_only(etype, value))
class AbortException(Exception):
pass
class SardanaException(Exception):
def __init__(self, *args, **kwargs):
Exception.__init__(self, *args)
if args:
a1 = args[0]
if isinstance(a1, dict):
self.msg = a1.get("message", a1.get("msg", None))
self.traceback = a1.get("traceback", a1.get("tb", None))
self.type = a1.get("type", self.__class__.__name__)
else:
self.msg = str(a1)
self.traceback = None
self.type = self.__class__.__name__
else:
exc_info = kwargs.get("exc_info")
if exc_info is None:
self.msg = "Unknown sardana exception"
else:
msg = format_exception_only_str(*exc_info[:2])
self.msg = msg
self.traceback = None
self.type = self.__class__.__name__
if 'exc_info' in kwargs:
self.exc_info = kwargs['exc_info']
else:
self.exc_info = kwargs.get('exc_info', sys.exc_info())
def __str__(self):
return self.msg
def __repr__(self):
return "%s: %s" % (self.type, self.msg)
class SardanaExceptionList(SardanaException):
def __init__(self, *args):
SardanaException.__init__(self, *args)
self.exceptions = args[0]
class UnknownCode(SardanaException):
pass
class UnknownLibrary(SardanaException):
pass
class LibraryError(SardanaException):
pass
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