1 #PyOO magic usage @who_called_me
   2 def who_called_me(show_filename=False, out=None, indent=' '):
   3     def _wrapper(fn):
   4         def _inner_wrapper(*args, **kwargs):
   5             import sys
   6             import inspect
   7             output = out or sys.stdout
   8             assert hasattr(output, 'write'), \
   9                 'argument \'out\' of function \'who_called_me\' must have a write method'
  10             index = 0
  11             stack = inspect.stack()
  12             stack.reverse()
  13             # remove ourself from the stack list
  14             stack.pop()
  15             for record in stack:
  16                 frame = record[0]
  17                 line = frame.f_lineno
  18                 func_name = frame.f_code.co_name
  19                 if show_filename:
  20                     descr = frame.f_code.co_filename
  21                 else:
  22                     descr = frame.f_globals["__name__"]
  23                 print >>output, '%s%s@%s:%d' % (indent*index, descr, func_name, line)
  24                 # to be safe explicitly delete the stack frame reference
  25                 # @see http://docs.python.org/lib/inspect-stack.html
  26                 del frame
  27                 index += 1
  28             del stack
  29             if hasattr(output, 'flush'):
  30                 output.flush()
  31             return fn(*args, **kwargs)
  32         return _inner_wrapper
  33     return _wrapper