forked from OSchip/llvm-project
130 lines
3.7 KiB
Python
130 lines
3.7 KiB
Python
""" Utility module to help debug Python scripts
|
|
|
|
--------------------------------------------------------------------------
|
|
File: utilsDebug.py
|
|
|
|
Overview: Python module to supply functions to help debug Python
|
|
scripts.
|
|
|
|
Gotchas: None.
|
|
|
|
Copyright: None.
|
|
--------------------------------------------------------------------------
|
|
|
|
"""
|
|
|
|
# Python modules:
|
|
|
|
# Third party modules:
|
|
|
|
# In-house modules:
|
|
|
|
# Instantiations:
|
|
|
|
#-----------------------------------------------------------------------------
|
|
# Details: Class to implement simple stack function trace. Instantiation the
|
|
# class as the first function you want to trace. Example:
|
|
# obj = utilsDebug.CDebugFnVerbose( "validate_arguments()" );
|
|
# Gotchas: This class will not work in properly in a multi-threaded
|
|
# environment.
|
|
# Authors: Illya Rudkin 28/11/2013.
|
|
# Changes: None.
|
|
#--
|
|
class CDebugFnVerbose:
|
|
# Public static properties:
|
|
bVerboseOn = False; # True = turn on function tracing, False = turn off.
|
|
|
|
# Public:
|
|
#++------------------------------------------------------------------------
|
|
# Details: CDebugFnVerbose constructor.
|
|
# Type: Method.
|
|
# Args: vstrFnName - (R) Text description i.e. a function name.
|
|
# Return: None.
|
|
# Throws: None.
|
|
#--
|
|
# CDebugFnVerbose( vstrFnName )
|
|
|
|
#++------------------------------------------------------------------------
|
|
# Details: Print out information on the object specified.
|
|
# Type: Method.
|
|
# Args: vstrText - (R) Some helper text description.
|
|
# vObject - (R) Some Python type object.
|
|
# Return: None.
|
|
# Throws: None.
|
|
#--
|
|
def dump_object( self, vstrText, vObject ):
|
|
if CDebugFnVerbose.bVerboseOn == False:
|
|
return;
|
|
print "%d%s> Dp: %s" % (CDebugFnVerbose.__nLevel, self.__get_dots(),
|
|
vstrText),;
|
|
print vObject;
|
|
|
|
#++------------------------------------------------------------------------
|
|
# Details: Print out some progress text given by the client.
|
|
# Type: Method.
|
|
# Args: vstrText - (R) Some helper text description.
|
|
# Return: None.
|
|
# Throws: None.
|
|
#--
|
|
def dump_text( self, vstrText ):
|
|
if CDebugFnVerbose.bVerboseOn == False:
|
|
return;
|
|
print "%d%s> Dp: %s" % (CDebugFnVerbose.__nLevel, self.__get_dots(),
|
|
vstrText);
|
|
|
|
# Private methods:
|
|
def __init__( self, vstrFnName ):
|
|
self.__indent_out( vstrFnName );
|
|
|
|
# Class destructor
|
|
def __del__( self ):
|
|
self.__indent_back();
|
|
|
|
#++------------------------------------------------------------------------
|
|
# Details: Build an indentation string of dots based on the __nLevel.
|
|
# Type: Method.
|
|
# Args: None.
|
|
# Return: Str - variable length string.
|
|
# Throws: None.
|
|
#--
|
|
def __get_dots( self ):
|
|
return "".join( "." for i in range( 0, CDebugFnVerbose.__nLevel ) );
|
|
|
|
#++------------------------------------------------------------------------
|
|
# Details: Build and print out debug verbosity text indicating the function
|
|
# just exited from.
|
|
# Type: Method.
|
|
# Args: None.
|
|
# Return: None.
|
|
# Throws: None.
|
|
#--
|
|
def __indent_back( self ):
|
|
if CDebugFnVerbose.bVerboseOn:
|
|
print "%d%s< fn: %s" % (CDebugFnVerbose.__nLevel, self.__get_dots(),
|
|
self.__strFnName);
|
|
CDebugFnVerbose.__nLevel -= 1;
|
|
|
|
#++------------------------------------------------------------------------
|
|
# Details: Build and print out debug verbosity text indicating the function
|
|
# just entered.
|
|
# Type: Method.
|
|
# Args: vstrFnName - (R) Name of the function entered.
|
|
# Return: None.
|
|
# Throws: None.
|
|
#--
|
|
def __indent_out( self, vstrFnName ):
|
|
CDebugFnVerbose.__nLevel += 1;
|
|
self.__strFnName = vstrFnName;
|
|
if CDebugFnVerbose.bVerboseOn:
|
|
print "%d%s> fn: %s" % ( CDebugFnVerbose.__nLevel, self.__get_dots(),
|
|
self.__strFnName);
|
|
|
|
# Private statics attributes:
|
|
__nLevel = 0; # Indentation level counter
|
|
|
|
# Private attributes:
|
|
__strFnName = "";
|
|
|
|
|
|
|