forked from elastic/apm-agent-python
/
compat.py
116 lines (93 loc) · 3.7 KB
/
compat.py
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
# -*- coding: utf-8 -*-
# BSD 3-Clause License
#
# Copyright (c) 2019, Elasticsearch BV
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import atexit
import functools
import platform
from typing import TypeVar
_AnnotatedFunctionT = TypeVar("_AnnotatedFunctionT")
def noop_decorator(func: _AnnotatedFunctionT) -> _AnnotatedFunctionT:
@functools.wraps(func)
def wrapped(*args, **kwargs):
return func(*args, **kwargs)
return wrapped
def atexit_register(func):
"""
Uses either uwsgi's atexit mechanism, or atexit from the stdlib.
When running under uwsgi, using their atexit handler is more reliable,
especially when using gevent
:param func: the function to call at exit
"""
try:
import uwsgi
orig = getattr(uwsgi, "atexit", None)
def uwsgi_atexit():
if callable(orig):
orig()
func()
uwsgi.atexit = uwsgi_atexit
except ImportError:
atexit.register(func)
def get_default_library_patters():
"""
Returns library paths depending on the used platform.
:return: a list of glob paths
"""
python_version = platform.python_version_tuple()
python_implementation = platform.python_implementation()
system = platform.system()
if python_implementation == "PyPy":
if python_version[0] == "2":
return ["*/lib-python/%s.%s/*" % python_version[:2], "*/site-packages/*"]
else:
return ["*/lib-python/%s/*" % python_version[0], "*/site-packages/*"]
else:
if system == "Windows":
return [r"*\lib\*"]
return ["*/lib/python%s.%s/*" % python_version[:2], "*/lib64/python%s.%s/*" % python_version[:2]]
def multidict_to_dict(d):
"""
Turns a werkzeug.MultiDict or django.MultiValueDict into a dict with
list values
:param d: a MultiDict or MultiValueDict instance
:return: a dict instance
"""
return dict((k, v[0] if len(v) == 1 else v) for k, v in d.lists())
try:
import uwsgi
# check if a master is running before importing postfork
if uwsgi.masterpid() != 0:
from uwsgidecorators import postfork
else:
def postfork(f):
return f
except (ImportError, AttributeError):
def postfork(f):
return f