Source code for soma.debug

# -*- coding: utf-8 -*-

#  This software and supporting documentation are distributed by
#      Institut Federatif de Recherche 49
#      CEA/NeuroSpin, Batiment 145,
#      91191 Gif-sur-Yvette cedex
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# This software is governed by the CeCILL-B license under
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'''
Utility classes and functions for debugging.

- author: Yann Cointepas
- organization: NeuroSpin
- license: `CeCILL B <http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html>`_
'''
from __future__ import absolute_import
from __future__ import print_function

__docformat__ = 'restructuredtext en'

import sys
from pprint import pprint

from soma.undefined import Undefined


[docs]def function_call_info(frame=None): ''' Return a dictionary that gives information about a frame corresponding to a function call. The directory contains the following items: - 'function': name of the function called - 'filename': name of the python file containing the function - 'lineno': line number executed in 'filename' - 'arguments': arguments passed to the function. It is a list containing pairs of (argument name, argument value). ''' try: if frame is None: frame = sys._getframe(1) result = { 'function': frame.f_code.co_name, 'lineno': frame.f_lineno, 'filename': frame.f_code.co_filename, } args = frame.f_code.co_varnames[:frame.f_code.co_argcount] result[ 'arguments' ] = \ [(p, frame.f_locals.get(p, frame.f_globals.get(p, Undefined))) for p in args] finally: del frame return result
[docs]def stack_calls_info(frame=None): ''' Return a list containing function_call_info(frame) for all frame in the stack. ''' try: if frame is None: frame = sys._getframe(1) result = [] while frame is not None: result.insert(0, function_call_info(frame)) frame = frame.f_back return result finally: del frame