Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/urllib3/contrib/appengine.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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1 """
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2 This module provides a pool manager that uses Google App Engine's
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3 `URLFetch Service <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
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4
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5 Example usage::
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6
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7 from urllib3 import PoolManager
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8 from urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox
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9
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10 if is_appengine_sandbox():
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11 # AppEngineManager uses AppEngine's URLFetch API behind the scenes
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12 http = AppEngineManager()
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13 else:
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14 # PoolManager uses a socket-level API behind the scenes
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15 http = PoolManager()
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16
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17 r = http.request('GET', 'https://google.com/')
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18
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19 There are `limitations <https://cloud.google.com/appengine/docs/python/\
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20 urlfetch/#Python_Quotas_and_limits>`_ to the URLFetch service and it may not be
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21 the best choice for your application. There are three options for using
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22 urllib3 on Google App Engine:
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23
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24 1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is
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25 cost-effective in many circumstances as long as your usage is within the
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26 limitations.
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27 2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets.
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28 Sockets also have `limitations and restrictions
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29 <https://cloud.google.com/appengine/docs/python/sockets/\
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30 #limitations-and-restrictions>`_ and have a lower free quota than URLFetch.
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31 To use sockets, be sure to specify the following in your ``app.yaml``::
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32
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33 env_variables:
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34 GAE_USE_SOCKETS_HTTPLIB : 'true'
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35
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36 3. If you are using `App Engine Flexible
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37 <https://cloud.google.com/appengine/docs/flexible/>`_, you can use the standard
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38 :class:`PoolManager` without any configuration or special environment variables.
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39 """
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40
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41 from __future__ import absolute_import
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42 import io
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43 import logging
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44 import warnings
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45 from ..packages.six.moves.urllib.parse import urljoin
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46
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47 from ..exceptions import (
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48 HTTPError,
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49 HTTPWarning,
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50 MaxRetryError,
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51 ProtocolError,
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52 TimeoutError,
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53 SSLError,
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54 )
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55
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56 from ..request import RequestMethods
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57 from ..response import HTTPResponse
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58 from ..util.timeout import Timeout
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59 from ..util.retry import Retry
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60 from . import _appengine_environ
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61
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62 try:
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63 from google.appengine.api import urlfetch
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64 except ImportError:
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65 urlfetch = None
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66
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67
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68 log = logging.getLogger(__name__)
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69
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70
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71 class AppEnginePlatformWarning(HTTPWarning):
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72 pass
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73
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74
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75 class AppEnginePlatformError(HTTPError):
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76 pass
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77
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78
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79 class AppEngineManager(RequestMethods):
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80 """
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81 Connection manager for Google App Engine sandbox applications.
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82
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83 This manager uses the URLFetch service directly instead of using the
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84 emulated httplib, and is subject to URLFetch limitations as described in
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85 the App Engine documentation `here
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86 <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
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87
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88 Notably it will raise an :class:`AppEnginePlatformError` if:
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89 * URLFetch is not available.
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90 * If you attempt to use this on App Engine Flexible, as full socket
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91 support is available.
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92 * If a request size is more than 10 megabytes.
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93 * If a response size is more than 32 megabtyes.
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94 * If you use an unsupported request method such as OPTIONS.
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95
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96 Beyond those cases, it will raise normal urllib3 errors.
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97 """
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98
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99 def __init__(
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100 self,
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101 headers=None,
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102 retries=None,
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103 validate_certificate=True,
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104 urlfetch_retries=True,
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105 ):
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106 if not urlfetch:
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107 raise AppEnginePlatformError(
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108 "URLFetch is not available in this environment."
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109 )
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110
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111 warnings.warn(
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112 "urllib3 is using URLFetch on Google App Engine sandbox instead "
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113 "of sockets. To use sockets directly instead of URLFetch see "
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114 "https://urllib3.readthedocs.io/en/latest/reference/urllib3.contrib.html.",
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115 AppEnginePlatformWarning,
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116 )
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117
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118 RequestMethods.__init__(self, headers)
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119 self.validate_certificate = validate_certificate
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120 self.urlfetch_retries = urlfetch_retries
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121
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122 self.retries = retries or Retry.DEFAULT
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123
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124 def __enter__(self):
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125 return self
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126
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127 def __exit__(self, exc_type, exc_val, exc_tb):
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128 # Return False to re-raise any potential exceptions
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diff changeset
129 return False
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shellac
parents:
diff changeset
130
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shellac
parents:
diff changeset
131 def urlopen(
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shellac
parents:
diff changeset
132 self,
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shellac
parents:
diff changeset
133 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
134 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
135 body=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
136 headers=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
137 retries=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
138 redirect=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
139 timeout=Timeout.DEFAULT_TIMEOUT,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
140 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
141 ):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
142
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parents:
diff changeset
143 retries = self._get_retries(retries, redirect)
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parents:
diff changeset
144
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shellac
parents:
diff changeset
145 try:
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shellac
parents:
diff changeset
146 follow_redirects = redirect and retries.redirect != 0 and retries.total
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shellac
parents:
diff changeset
147 response = urlfetch.fetch(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
148 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
149 payload=body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
150 method=method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
151 headers=headers or {},
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
152 allow_truncated=False,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
153 follow_redirects=self.urlfetch_retries and follow_redirects,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
154 deadline=self._get_absolute_timeout(timeout),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
155 validate_certificate=self.validate_certificate,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
156 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
157 except urlfetch.DeadlineExceededError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
158 raise TimeoutError(self, e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
159
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
160 except urlfetch.InvalidURLError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
161 if "too large" in str(e):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
162 raise AppEnginePlatformError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
163 "URLFetch request too large, URLFetch only "
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
164 "supports requests up to 10mb in size.",
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
165 e,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
166 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
167 raise ProtocolError(e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
168
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
169 except urlfetch.DownloadError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
170 if "Too many redirects" in str(e):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
171 raise MaxRetryError(self, url, reason=e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
172 raise ProtocolError(e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
173
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
174 except urlfetch.ResponseTooLargeError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
175 raise AppEnginePlatformError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
176 "URLFetch response too large, URLFetch only supports"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
177 "responses up to 32mb in size.",
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
178 e,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
179 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
180
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
181 except urlfetch.SSLCertificateError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
182 raise SSLError(e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
183
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
184 except urlfetch.InvalidMethodError as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
185 raise AppEnginePlatformError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
186 "URLFetch does not support method: %s" % method, e
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
187 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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188
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
189 http_response = self._urlfetch_response_to_http_response(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
190 response, retries=retries, **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
191 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
192
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
193 # Handle redirect?
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
194 redirect_location = redirect and http_response.get_redirect_location()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
195 if redirect_location:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
196 # Check for redirect response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
197 if self.urlfetch_retries and retries.raise_on_redirect:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
198 raise MaxRetryError(self, url, "too many redirects")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
199 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
200 if http_response.status == 303:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
201 method = "GET"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
202
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
203 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
204 retries = retries.increment(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
205 method, url, response=http_response, _pool=self
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
206 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
207 except MaxRetryError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
208 if retries.raise_on_redirect:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
209 raise MaxRetryError(self, url, "too many redirects")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
210 return http_response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
211
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
212 retries.sleep_for_retry(http_response)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
213 log.debug("Redirecting %s -> %s", url, redirect_location)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
214 redirect_url = urljoin(url, redirect_location)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
215 return self.urlopen(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
216 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
217 redirect_url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
218 body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
219 headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
220 retries=retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
221 redirect=redirect,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
222 timeout=timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
223 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
224 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
225
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
226 # Check if we should retry the HTTP response.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
227 has_retry_after = bool(http_response.getheader("Retry-After"))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
228 if retries.is_retry(method, http_response.status, has_retry_after):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
229 retries = retries.increment(method, url, response=http_response, _pool=self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
230 log.debug("Retry: %s", url)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
231 retries.sleep(http_response)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
232 return self.urlopen(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
233 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
234 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
235 body=body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
236 headers=headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
237 retries=retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
238 redirect=redirect,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
239 timeout=timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
240 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
241 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
242
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
243 return http_response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
244
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
245 def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
246
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
247 if is_prod_appengine():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
248 # Production GAE handles deflate encoding automatically, but does
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
249 # not remove the encoding header.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
250 content_encoding = urlfetch_resp.headers.get("content-encoding")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
251
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
252 if content_encoding == "deflate":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
253 del urlfetch_resp.headers["content-encoding"]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
254
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
255 transfer_encoding = urlfetch_resp.headers.get("transfer-encoding")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
256 # We have a full response's content,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
257 # so let's make sure we don't report ourselves as chunked data.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
258 if transfer_encoding == "chunked":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
259 encodings = transfer_encoding.split(",")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
260 encodings.remove("chunked")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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261 urlfetch_resp.headers["transfer-encoding"] = ",".join(encodings)
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262
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263 original_response = HTTPResponse(
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264 # In order for decoding to work, we must present the content as
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265 # a file-like object.
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266 body=io.BytesIO(urlfetch_resp.content),
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267 msg=urlfetch_resp.header_msg,
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268 headers=urlfetch_resp.headers,
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269 status=urlfetch_resp.status_code,
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270 **response_kw
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271 )
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272
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273 return HTTPResponse(
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274 body=io.BytesIO(urlfetch_resp.content),
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275 headers=urlfetch_resp.headers,
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276 status=urlfetch_resp.status_code,
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277 original_response=original_response,
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278 **response_kw
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279 )
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280
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281 def _get_absolute_timeout(self, timeout):
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282 if timeout is Timeout.DEFAULT_TIMEOUT:
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283 return None # Defer to URLFetch's default.
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284 if isinstance(timeout, Timeout):
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285 if timeout._read is not None or timeout._connect is not None:
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286 warnings.warn(
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287 "URLFetch does not support granular timeout settings, "
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288 "reverting to total or default URLFetch timeout.",
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289 AppEnginePlatformWarning,
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290 )
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291 return timeout.total
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292 return timeout
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293
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294 def _get_retries(self, retries, redirect):
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295 if not isinstance(retries, Retry):
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296 retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
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297
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298 if retries.connect or retries.read or retries.redirect:
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299 warnings.warn(
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300 "URLFetch only supports total retries and does not "
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301 "recognize connect, read, or redirect retry parameters.",
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302 AppEnginePlatformWarning,
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303 )
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304
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305 return retries
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306
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307
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308 # Alias methods from _appengine_environ to maintain public API interface.
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309
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310 is_appengine = _appengine_environ.is_appengine
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311 is_appengine_sandbox = _appengine_environ.is_appengine_sandbox
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312 is_local_appengine = _appengine_environ.is_local_appengine
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313 is_prod_appengine = _appengine_environ.is_prod_appengine
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314 is_prod_appengine_mvms = _appengine_environ.is_prod_appengine_mvms