171 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			171 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
| # -*- coding: utf-8 -*-
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| # Copyright 2014-2016 OpenMarket Ltd
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| 
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| from inspect import getcallargs
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| from functools import wraps
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| 
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| import logging
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| import inspect
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| import time
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| 
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| 
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| _TIME_FUNC_ID = 0
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| 
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| 
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| def _log_debug_as_f(f, msg, msg_args):
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|     name = f.__module__
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|     logger = logging.getLogger(name)
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| 
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|     if logger.isEnabledFor(logging.DEBUG):
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|         lineno = f.func_code.co_firstlineno
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|         pathname = f.func_code.co_filename
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| 
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|         record = logging.LogRecord(
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|             name=name,
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|             level=logging.DEBUG,
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|             pathname=pathname,
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|             lineno=lineno,
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|             msg=msg,
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|             args=msg_args,
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|             exc_info=None
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|         )
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| 
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|         logger.handle(record)
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| 
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| 
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| def log_function(f):
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|     """ Function decorator that logs every call to that function.
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|     """
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|     func_name = f.__name__
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| 
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|     @wraps(f)
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|     def wrapped(*args, **kwargs):
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|         name = f.__module__
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|         logger = logging.getLogger(name)
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|         level = logging.DEBUG
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| 
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|         if logger.isEnabledFor(level):
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|             bound_args = getcallargs(f, *args, **kwargs)
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| 
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|             def format(value):
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|                 r = str(value)
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|                 if len(r) > 50:
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|                     r = r[:50] + "..."
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|                 return r
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| 
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|             func_args = [
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|                 "%s=%s" % (k, format(v)) for k, v in bound_args.items()
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|             ]
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| 
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|             msg_args = {
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|                 "func_name": func_name,
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|                 "args": ", ".join(func_args)
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|             }
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| 
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|             _log_debug_as_f(
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|                 f,
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|                 "Invoked '%(func_name)s' with args: %(args)s",
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|                 msg_args
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|             )
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| 
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|         return f(*args, **kwargs)
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| 
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|     wrapped.__name__ = func_name
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|     return wrapped
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| 
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| 
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| def time_function(f):
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|     func_name = f.__name__
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| 
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|     @wraps(f)
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|     def wrapped(*args, **kwargs):
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|         global _TIME_FUNC_ID
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|         id = _TIME_FUNC_ID
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|         _TIME_FUNC_ID += 1
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| 
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|         start = time.clock() * 1000
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| 
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|         try:
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|             _log_debug_as_f(
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|                 f,
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|                 "[FUNC START] {%s-%d}",
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|                 (func_name, id),
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|             )
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| 
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|             r = f(*args, **kwargs)
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|         finally:
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|             end = time.clock() * 1000
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|             _log_debug_as_f(
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|                 f,
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|                 "[FUNC END] {%s-%d} %f",
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|                 (func_name, id, end-start,),
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|             )
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| 
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|         return r
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| 
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|     return wrapped
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| 
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| 
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| def trace_function(f):
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|     func_name = f.__name__
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|     linenum = f.func_code.co_firstlineno
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|     pathname = f.func_code.co_filename
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| 
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|     @wraps(f)
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|     def wrapped(*args, **kwargs):
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|         name = f.__module__
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|         logger = logging.getLogger(name)
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|         level = logging.DEBUG
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| 
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|         s = inspect.currentframe().f_back
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| 
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|         to_print = [
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|             "\t%s:%s %s. Args: args=%s, kwargs=%s" % (
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|                 pathname, linenum, func_name, args, kwargs
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|             )
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|         ]
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|         while s:
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|             if True or s.f_globals["__name__"].startswith("synapse"):
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|                 filename, lineno, function, _, _ = inspect.getframeinfo(s)
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|                 args_string = inspect.formatargvalues(*inspect.getargvalues(s))
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| 
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|                 to_print.append(
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|                     "\t%s:%d %s. Args: %s" % (
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|                         filename, lineno, function, args_string
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|                     )
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|                 )
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| 
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|             s = s.f_back
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| 
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|         msg = "\nTraceback for %s:\n" % (func_name,) + "\n".join(to_print)
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| 
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|         record = logging.LogRecord(
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|             name=name,
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|             level=level,
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|             pathname=pathname,
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|             lineno=lineno,
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|             msg=msg,
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|             args=None,
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|             exc_info=None
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|         )
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| 
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|         logger.handle(record)
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| 
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|         return f(*args, **kwargs)
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| 
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|     wrapped.__name__ = func_name
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|     return wrapped
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