1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374 |
- # -*- coding: utf-8 -*-
- # Copyright 2014-2016 OpenMarket Ltd
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import logging
- from functools import wraps
- from inspect import getcallargs
- _TIME_FUNC_ID = 0
- def _log_debug_as_f(f, msg, msg_args):
- name = f.__module__
- logger = logging.getLogger(name)
- if logger.isEnabledFor(logging.DEBUG):
- lineno = f.__code__.co_firstlineno
- pathname = f.__code__.co_filename
- record = logger.makeRecord(
- name=name,
- level=logging.DEBUG,
- fn=pathname,
- lno=lineno,
- msg=msg,
- args=msg_args,
- exc_info=None,
- )
- logger.handle(record)
- def log_function(f):
- """ Function decorator that logs every call to that function.
- """
- func_name = f.__name__
- @wraps(f)
- def wrapped(*args, **kwargs):
- name = f.__module__
- logger = logging.getLogger(name)
- level = logging.DEBUG
- if logger.isEnabledFor(level):
- bound_args = getcallargs(f, *args, **kwargs)
- def format(value):
- r = str(value)
- if len(r) > 50:
- r = r[:50] + "..."
- return r
- func_args = ["%s=%s" % (k, format(v)) for k, v in bound_args.items()]
- msg_args = {"func_name": func_name, "args": ", ".join(func_args)}
- _log_debug_as_f(f, "Invoked '%(func_name)s' with args: %(args)s", msg_args)
- return f(*args, **kwargs)
- wrapped.__name__ = func_name
- return wrapped
|