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comparison env/lib/python3.7/site-packages/requests/__init__.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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-1:000000000000 0:26e78fe6e8c4
1 # -*- coding: utf-8 -*-
2
3 # __
4 # /__) _ _ _ _ _/ _
5 # / ( (- (/ (/ (- _) / _)
6 # /
7
8 """
9 Requests HTTP Library
10 ~~~~~~~~~~~~~~~~~~~~~
11
12 Requests is an HTTP library, written in Python, for human beings.
13 Basic GET usage:
14
15 >>> import requests
16 >>> r = requests.get('https://www.python.org')
17 >>> r.status_code
18 200
19 >>> b'Python is a programming language' in r.content
20 True
21
22 ... or POST:
23
24 >>> payload = dict(key1='value1', key2='value2')
25 >>> r = requests.post('https://httpbin.org/post', data=payload)
26 >>> print(r.text)
27 {
28 ...
29 "form": {
30 "key1": "value1",
31 "key2": "value2"
32 },
33 ...
34 }
35
36 The other HTTP methods are supported - see `requests.api`. Full documentation
37 is at <https://requests.readthedocs.io>.
38
39 :copyright: (c) 2017 by Kenneth Reitz.
40 :license: Apache 2.0, see LICENSE for more details.
41 """
42
43 import urllib3
44 import chardet
45 import warnings
46 from .exceptions import RequestsDependencyWarning
47
48
49 def check_compatibility(urllib3_version, chardet_version):
50 urllib3_version = urllib3_version.split('.')
51 assert urllib3_version != ['dev'] # Verify urllib3 isn't installed from git.
52
53 # Sometimes, urllib3 only reports its version as 16.1.
54 if len(urllib3_version) == 2:
55 urllib3_version.append('0')
56
57 # Check urllib3 for compatibility.
58 major, minor, patch = urllib3_version # noqa: F811
59 major, minor, patch = int(major), int(minor), int(patch)
60 # urllib3 >= 1.21.1, <= 1.25
61 assert major == 1
62 assert minor >= 21
63 assert minor <= 25
64
65 # Check chardet for compatibility.
66 major, minor, patch = chardet_version.split('.')[:3]
67 major, minor, patch = int(major), int(minor), int(patch)
68 # chardet >= 3.0.2, < 3.1.0
69 assert major == 3
70 assert minor < 1
71 assert patch >= 2
72
73
74 def _check_cryptography(cryptography_version):
75 # cryptography < 1.3.4
76 try:
77 cryptography_version = list(map(int, cryptography_version.split('.')))
78 except ValueError:
79 return
80
81 if cryptography_version < [1, 3, 4]:
82 warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version)
83 warnings.warn(warning, RequestsDependencyWarning)
84
85 # Check imported dependencies for compatibility.
86 try:
87 check_compatibility(urllib3.__version__, chardet.__version__)
88 except (AssertionError, ValueError):
89 warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported "
90 "version!".format(urllib3.__version__, chardet.__version__),
91 RequestsDependencyWarning)
92
93 # Attempt to enable urllib3's SNI support, if possible
94 try:
95 from urllib3.contrib import pyopenssl
96 pyopenssl.inject_into_urllib3()
97
98 # Check cryptography version
99 from cryptography import __version__ as cryptography_version
100 _check_cryptography(cryptography_version)
101 except ImportError:
102 pass
103
104 # urllib3's DependencyWarnings should be silenced.
105 from urllib3.exceptions import DependencyWarning
106 warnings.simplefilter('ignore', DependencyWarning)
107
108 from .__version__ import __title__, __description__, __url__, __version__
109 from .__version__ import __build__, __author__, __author_email__, __license__
110 from .__version__ import __copyright__, __cake__
111
112 from . import utils
113 from . import packages
114 from .models import Request, Response, PreparedRequest
115 from .api import request, get, head, post, patch, put, delete, options
116 from .sessions import session, Session
117 from .status_codes import codes
118 from .exceptions import (
119 RequestException, Timeout, URLRequired,
120 TooManyRedirects, HTTPError, ConnectionError,
121 FileModeWarning, ConnectTimeout, ReadTimeout
122 )
123
124 # Set default logging handler to avoid "No handler found" warnings.
125 import logging
126 from logging import NullHandler
127
128 logging.getLogger(__name__).addHandler(NullHandler())
129
130 # FileModeWarnings go off per the default.
131 warnings.simplefilter('default', FileModeWarning, append=True)