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Revision 1368

Added by Aaron Marcuse-Kubitza about 12 years ago

exc.py: str_(): Add the traceback at the end of the exception string. Added add_exc_info() and get_exc_info() for providing traceback info for str_().

View differences:

lib/exc.py
2 2 

  		




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import atexit


  		




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import sys


  		




  
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import traceback


  		




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import format


  		




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import strings


  		




  ......




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def raise_(e): raise e


  		




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def add_exc_info(e):


  		




  
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    '''Note that this will create a circular reference in the traceback


  		




  
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    (See <http://docs.python.org/library/sys.html#sys.exc_info>)'''


  		




  
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    e.exc_info = sys.exc_info()


  		




  
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def get_exc_info(e):


  		




  
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    try: exc_info = e.exc_info


  		




  
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    except AttributeError: exc_info = sys.exc_info()


  		




  
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    assert exc_info[1] is e


  		




  
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    return exc_info


  		




  
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def add_msg(e, msg): e.args = (strings.ensure_newl(str(e))+msg,)


  		




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def repl_msg(e, **repls): e.args = (str(e) % repls,)


  		




  ......




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        Exception.__init__(self, msg)


  		




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        if cause != None: add_msg(self, 'cause: '+str_(cause))


  		




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def str_(e, with_name=True):


  		




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    msg = strings.ensure_newl(str(e))


  		




  26
  
  
    
    if with_name: msg = util.type_name(e)+': '+msg


  		




  27
  
  
    
    return msg


  		




  
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def str_(e, with_traceback=True):


  		




  
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    lines = traceback.format_exception_only(type(e), e)


  		




  
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    if with_traceback: lines += traceback.format_tb(get_exc_info(e)[2])


  		




  
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    return ''.join(lines)


  		




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def print_ex(e, emph=True, **format):


  		




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    msg = str_(e, **format)


  		












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