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  1. import os, sys
  2. import logging, inspect
  3. from inspect import( isclass, ismethod, isfunction )
  4. from pprint import pprint
  5.  
  6. logger = logging.getLogger("LogHelper")
  7. logger.setLevel(logging.DEBUG)
  8.  
  9. handler = logging.StreamHandler()
  10. handler.setLevel(logging.DEBUG)
  11.  
  12. def log_decorator(instance=None, *arg, **kwarg):
  13.  
  14. 	qualname = lambda obj: obj.__qualname__
  15. 	eventlog = logging.getLogger('LogHelper')
  16. 	self = None
  17.  
  18. 	try:
  19. 		self = instance()
  20. 	except TypeError:
  21. 		self = instance
  22.  
  23. 	if isfunction(instance):
  24. 		try:
  25. 			channel = kwarg['channel']
  26. 		except KeyError as ex:
  27. 			if isfunction(instance):
  28. 				raise TypeError('''Missing required 'channel' argument.''')
  29. 	else:
  30. 		pass
  31.  
  32. 	def log(message, level = logging.INFO, *arg_list, **kwarg_list):
  33.  
  34. 		if isclass(instance):
  35. 			#caller_id = "%s::%s" %( qualname(instance.__class__ ), attr )
  36. 			caller_id = "WIP"
  37. 		else:
  38. 			caller_id = qualname(instance)
  39.  
  40. 		eventlog.log( level, message, extra={ 'caller': caller_id, 'log_channel': channel })
  41.  
  42. 	def debug(message, *arg_list, **kwarg_list):
  43. 		log( message, logging.DEBUG, *arg_list, **kwarg_list)
  44.  
  45. 	def info(message, *arg_list, **kwarg_list):
  46. 		log( message, logging.INFO, *arg_list, **kwarg_list)
  47.  
  48. 	def warn(message, *arg_list, **kwarg_list):
  49. 		log( message, logging.WARNING, *arg_list, **kwarg_list)
  50.  
  51. 	def error(message, *arg_list, **kwarg_list):
  52. 		log( message, logging.ERROR, *arg_list, **kwarg_list)
  53.  
  54. 	def critical(message, *arg_list, **kwarg_list):
  55. 		log( message, logging.CRITICAL, *arg_list, **kwarg_list)
  56.  
  57. 	def wrapper(self, *args, **kw_arg):
  58. 		return self(*args, **kw_arg)
  59.  
  60. 	globals = [
  61. 		( 'log', log ),
  62. 		( 'debug', debug ),
  63. 		( 'info', info ),
  64. 		( 'warn', warn ),
  65. 		( 'error', error ),
  66. 		( 'critical', critical )
  67. 	]
  68.  
  69. 	if self is not None:
  70. 		print(self, isinstance(self, self.__class__))
  71.  
  72. 		if isinstance(self, self.__class__):
  73. 			## I'll see about this.
  74. 			code, scope = None, {}
  75. 		else:
  76. 			print("HI.")
  77. 			code, scope = self.__code__, self.__globals__
  78.  
  79. 		for i, (name, handler) in enumerate(globals):
  80. 			scope[name] = handler
  81. 	else:
  82. 		# We didn't receive the function on this call, so the return value
  83. 		# of this call will receive it, and we're getting the options now.
  84. 		def partial_inner(arg0=instance):
  85. 			return log_decorator(arg0, *arg, **kwarg)
  86.  
  87. 		return partial_inner
  88.  
  89. 	return wrapper
  90.  
  91. @log_decorator(channel='FooChannel')
  92. def foo():
  93. 	pass #log("Hi, world.")
  94.  
  95. foo()
  96.  
  97. @log_decorator
  98. class FooClass(object):
  99. 	channel = 'FooClassObj'
  100.  
  101. 	def bar(self):
  102. 		pass #log('Method logged.')
  103.  
  104. #f = FooClass()
  105. #f.bar()
  106.  
Success #stdin #stdout 0.04s 10540KB
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<__main__.FooClass object at 0x15241e813438> True
https://ideone.com/sbyilJ
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
public

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