How to determine file, function and line number?

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There is a module named inspect which provides these information.

Example usage:

import inspect

def PrintFrame():
  callerframerecord = inspect.stack()[1]    # 0 represents this line
                                            # 1 represents line at caller
  frame = callerframerecord[0]
  info = inspect.getframeinfo(frame)
  print(info.filename)                      # __FILE__     -> Test.py
  print(info.function)                      # __FUNCTION__ -> Main
  print(info.lineno)                        # __LINE__     -> 13

def Main():
  PrintFrame()                              # for this line

Main()

However, please remember that there is an easier way to obtain the name of the currently executing file:

print(__file__)

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