logging: Vendor findCaller for correct stack frame info in logs
parent
e400aa0205
commit
41e4ad5d1d
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@ -118,6 +118,42 @@ class SwagLogger(logging.Logger):
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else:
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self.info(evt)
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def findCaller(self, stack_info=False, stacklevel=1):
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"""
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Find the stack frame of the caller so that we can note the source
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file name, line number and function name.
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"""
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f = sys._getframe(3)
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#On some versions of IronPython, currentframe() returns None if
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#IronPython isn't run with -X:Frames.
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if f is not None:
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f = f.f_back
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orig_f = f
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while f and stacklevel > 1:
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f = f.f_back
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stacklevel -= 1
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if not f:
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f = orig_f
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rv = "(unknown file)", 0, "(unknown function)", None
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while hasattr(f, "f_code"):
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co = f.f_code
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filename = os.path.normcase(co.co_filename)
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if filename == _srcfile:
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f = f.f_back
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continue
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sinfo = None
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if stack_info:
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sio = io.StringIO()
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sio.write('Stack (most recent call last):\n')
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traceback.print_stack(f, file=sio)
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sinfo = sio.getvalue()
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if sinfo[-1] == '\n':
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sinfo = sinfo[:-1]
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sio.close()
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rv = (co.co_filename, f.f_lineno, co.co_name, sinfo)
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break
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return rv
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if __name__ == "__main__":
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log = SwagLogger()
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