gistfile1.py

   #To add new points in code you have 4 ways:

   from osprofiler import profiler

   def some_func():
        profiler.start("point_name", {"any_key": "with_any_value"})
        # your code
        profiler.stop({"any_info_about_point": "in_this_dict"})

    @profiler.trace("point_name",
                    info={"any_info_about_point": "in_this_dict"},
                    hide_args=False)
    def some_func2(*args, **kwargs):
        # If you need to hide args in profile info, put hide_args=True
        pass
    def some_func3():
        with profiler.Trace("point_name",
                            info={"any_key": "with_any_value"}):
            # some code here
    @profiler.trace_cls("point_name", info={}, hide_args=False,
                        trace_private=False)
    class TracedClass(object):
        def traced_method(self):
            pass
        def _traced_only_if_trace_private_true(self):
             pass
          
          
  #If OSprofiler will be optional, you will be able to use only first option: start()/stop().
  #Which will produce huge mess in code. Take a look at next sample


   #SAMPlE 1
   
   def some_func(*args, **kwargs):
     #code
 
   def some_func(*args, **kwargs):
      try:
         if profiler:
            profiler.start("point_name", {"function": {"name": "some_func", args ....}}) 
         #code
      finally:
         if profiler:
            profiler.stop()
         
         
   #instead of
   @profile.trace("point_name") 
   def some_func():
      #code
      
      
   # SAMPLE 2:
   
   #as well you won't be able to use with.Profiler()
   with Profiler("point", info):
       # some code
   
   # with profiler optional 
      try: 
         if profiler:
            profiler.start()
            
         # your code         
      finally:
         if profiler:
            profiler.stop()
   

   # SAMPLE 3 (profiling all methods from class)
   @profiler.trace_cls("point_name")
   class A:
      pass