Login

function tracing decorator

Author:
amitu
Posted:
March 20, 2009
Language:
Python
Version:
1.0
Score:
0 (after 0 ratings)

This is a decorator that logs function arguments, return object and time taken for execution as well as any exception that might have been raised by the function.

Useful for debug logging. 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
# traced # {{{ 
def traced(func):
    def wrapper(*args, **kw):
        start = time.time()
        e = None
        try:
            ret = func(*args, **kw)
        except Exception, e:
            pass
        time_taken = time.time() - start
        logger.info(
            "func=%s, func.__name__=%s, args=%s, kw=%s, return=%s, time=%s" % (
                func, func.__name__, args, kw, ret, time_taken
            )
        )
        if e:
            logger.exception(e)
            raise e
        return ret
    return wrapper
# }}}

More like this

  1. Template tag - list punctuation for a list of items by shapiromatron 3 months ago
  2. JSONRequestMiddleware adds a .json() method to your HttpRequests by cdcarter 3 months, 1 week ago
  3. Serializer factory with Django Rest Framework by julio 10 months, 1 week ago
  4. Image compression before saving the new model / work with JPG, PNG by Schleidens 10 months, 4 weeks ago
  5. Help text hyperlinks by sa2812 11 months, 3 weeks ago

Comments

Please login first before commenting.