1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
# -*- coding: utf-8 -*-
# Copyright 2014 matrix.org
#
# 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.
from inspect import getcallargs
from functools import wraps
import logging
import inspect
def log_function(f):
""" Function decorator that logs every call to that function.
"""
func_name = f.__name__
lineno = f.func_code.co_firstlineno
pathname = f.func_code.co_filename
@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)
}
record = logging.LogRecord(
name=name,
level=level,
pathname=pathname,
lineno=lineno,
msg="Invoked '%(func_name)s' with args: %(args)s",
args=msg_args,
exc_info=None
)
logger.handle(record)
return f(*args, **kwargs)
wrapped.__name__ = func_name
return wrapped
def trace_function(f):
func_name = f.__name__
linenum = f.func_code.co_firstlineno
pathname = f.func_code.co_filename
def wrapped(*args, **kwargs):
name = f.__module__
logger = logging.getLogger(name)
level = logging.DEBUG
s = inspect.currentframe().f_back
to_print = [
"\t%s:%s %s. Args: args=%s, kwargs=%s" % (
pathname, linenum, func_name, args, kwargs
)
]
while s:
if True or s.f_globals["__name__"].startswith("synapse"):
filename, lineno, function, _, _ = inspect.getframeinfo(s)
args_string = inspect.formatargvalues(*inspect.getargvalues(s))
to_print.append(
"\t%s:%d %s. Args: %s" % (
filename, lineno, function, args_string
)
)
s = s.f_back
msg = "\nTraceback for %s:\n" % (func_name,) + "\n".join(to_print)
record = logging.LogRecord(
name=name,
level=level,
pathname=pathname,
lineno=lineno,
msg=msg,
args=None,
exc_info=None
)
logger.handle(record)
return f(*args, **kwargs)
wrapped.__name__ = func_name
return wrapped
|
