Entry

Function which knows who has called it

Jul 5th, 2000 10:03
Nathan Wallace, Hans Nowak, Snippet 294, Michael P. Reilly

"""
Packages: miscellaneous.introspection
"""
"""
: Is if possible in Python to have a function that prints the name
: of the function that called it. (I'm thinking of using this in
: some debugging code I want to write).
The information is captured in the frames in the traceback.
"""
def you_rang():
  import sys
  try:
    raise RuntimeError
  except RuntimeError:
    exc, val, tb = sys.exc_info()
    frame = tb.tb_frame.f_back
    del exc, val, tb
  try:
    return frame.f_back.f_code.co_name
  except AttributeError:  # called from the top
    return None
def f():
  WhoCalledMe = you_rang()
  print WhoCalledMe
def p():    # p calls f
    f()
p()