Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/requests/__init__.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 # -*- coding: utf-8 -*-
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2
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3 # __
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4 # /__) _ _ _ _ _/ _
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5 # / ( (- (/ (/ (- _) / _)
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6 # /
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7
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8 """
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9 Requests HTTP Library
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10 ~~~~~~~~~~~~~~~~~~~~~
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11
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12 Requests is an HTTP library, written in Python, for human beings.
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13 Basic GET usage:
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14
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15 >>> import requests
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16 >>> r = requests.get('https://www.python.org')
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17 >>> r.status_code
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18 200
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19 >>> b'Python is a programming language' in r.content
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20 True
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21
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22 ... or POST:
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23
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24 >>> payload = dict(key1='value1', key2='value2')
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25 >>> r = requests.post('https://httpbin.org/post', data=payload)
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26 >>> print(r.text)
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27 {
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28 ...
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29 "form": {
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30 "key1": "value1",
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31 "key2": "value2"
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32 },
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33 ...
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34 }
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35
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36 The other HTTP methods are supported - see `requests.api`. Full documentation
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37 is at <https://requests.readthedocs.io>.
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38
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39 :copyright: (c) 2017 by Kenneth Reitz.
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40 :license: Apache 2.0, see LICENSE for more details.
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41 """
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42
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43 import urllib3
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44 import chardet
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45 import warnings
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46 from .exceptions import RequestsDependencyWarning
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47
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48
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49 def check_compatibility(urllib3_version, chardet_version):
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50 urllib3_version = urllib3_version.split('.')
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51 assert urllib3_version != ['dev'] # Verify urllib3 isn't installed from git.
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52
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53 # Sometimes, urllib3 only reports its version as 16.1.
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54 if len(urllib3_version) == 2:
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55 urllib3_version.append('0')
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56
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57 # Check urllib3 for compatibility.
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58 major, minor, patch = urllib3_version # noqa: F811
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59 major, minor, patch = int(major), int(minor), int(patch)
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60 # urllib3 >= 1.21.1, <= 1.25
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61 assert major == 1
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62 assert minor >= 21
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63 assert minor <= 25
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64
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65 # Check chardet for compatibility.
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66 major, minor, patch = chardet_version.split('.')[:3]
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67 major, minor, patch = int(major), int(minor), int(patch)
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68 # chardet >= 3.0.2, < 3.1.0
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69 assert major == 3
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70 assert minor < 1
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71 assert patch >= 2
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72
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73
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74 def _check_cryptography(cryptography_version):
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75 # cryptography < 1.3.4
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76 try:
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77 cryptography_version = list(map(int, cryptography_version.split('.')))
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78 except ValueError:
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79 return
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80
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81 if cryptography_version < [1, 3, 4]:
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82 warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version)
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83 warnings.warn(warning, RequestsDependencyWarning)
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84
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85 # Check imported dependencies for compatibility.
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86 try:
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87 check_compatibility(urllib3.__version__, chardet.__version__)
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88 except (AssertionError, ValueError):
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89 warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported "
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90 "version!".format(urllib3.__version__, chardet.__version__),
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91 RequestsDependencyWarning)
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92
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93 # Attempt to enable urllib3's fallback for SNI support
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94 # if the standard library doesn't support SNI or the
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95 # 'ssl' library isn't available.
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96 try:
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97 try:
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98 import ssl
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99 except ImportError:
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100 ssl = None
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101
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102 if not getattr(ssl, "HAS_SNI", False):
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103 from urllib3.contrib import pyopenssl
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104 pyopenssl.inject_into_urllib3()
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105
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106 # Check cryptography version
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107 from cryptography import __version__ as cryptography_version
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108 _check_cryptography(cryptography_version)
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109 except ImportError:
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110 pass
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111
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112 # urllib3's DependencyWarnings should be silenced.
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113 from urllib3.exceptions import DependencyWarning
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114 warnings.simplefilter('ignore', DependencyWarning)
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115
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116 from .__version__ import __title__, __description__, __url__, __version__
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117 from .__version__ import __build__, __author__, __author_email__, __license__
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118 from .__version__ import __copyright__, __cake__
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119
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120 from . import utils
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121 from . import packages
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122 from .models import Request, Response, PreparedRequest
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123 from .api import request, get, head, post, patch, put, delete, options
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124 from .sessions import session, Session
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125 from .status_codes import codes
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126 from .exceptions import (
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127 RequestException, Timeout, URLRequired,
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128 TooManyRedirects, HTTPError, ConnectionError,
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129 FileModeWarning, ConnectTimeout, ReadTimeout
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130 )
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131
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132 # Set default logging handler to avoid "No handler found" warnings.
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133 import logging
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134 from logging import NullHandler
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135
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136 logging.getLogger(__name__).addHandler(NullHandler())
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137
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138 # FileModeWarnings go off per the default.
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139 warnings.simplefilter('default', FileModeWarning, append=True)