# Copyright (c) 2017 Sippy Software, Inc. All rights reserved. # # All rights reserved. # # Redistribution and use in source and binary forms, with or without modification, # are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation and/or # other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. from datetime import datetime from traceback import print_exception, extract_stack, print_list, format_exception_only import sys SEPT = '-' * 70 + '\n' class StdException(Exception): traceback = None def __init__(self, *args): pin_exception(self, 2) super(self.__class__, self).__init__(*args) def dump_exception(msg, f = sys.stdout, extra = None): exc_type, exc_value, exc_traceback = sys.exc_info() if isinstance(exc_value, StdException): cus_traceback = exc_value.traceback else: if hasattr(exc_value, 'traceback'): exc_traceback = exc_value.traceback cus_traceback = None f.write('%s %s:\n' % (datetime.now(), msg)) f.write(SEPT) if cus_traceback != None: f.write('Traceback (most recent call last):\n') print_list(cus_traceback, file = f) f.write(format_exception_only(exc_type, exc_value)[0]) else: print_exception(exc_type, exc_value, exc_traceback, file = f) f.write(SEPT) if extra != None: f.write(extra) f.write(SEPT) f.flush() def pin_exception(exc_value, undepth = 1): if not hasattr(exc_value, 'traceback'): exc_value.traceback = sys.exc_info()[2] elif exc_value.traceback == None: exc_value.traceback = extract_stack()[:-undepth] if __name__ == '__main__': for f in sys.stdout, sys.stderr: for etype in Exception, StdException: try: raise etype("test: %s" % str(etype)) except: dump_exception("test ok", f = f) try: try: raise etype("test: %s" % str(etype)) except Exception as e: raise e except: dump_exception("test ok", f = f) try: try: raise etype("test: %s" % str(etype)) except Exception as e: pin_exception(e) raise e except: dump_exception("test ok", f = f)