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)5�Retry�) aI Retry configuration.13 14Each retry attempt will create a new Retry object with updated values, so15they can be safely reused.16 17Retries can be defined as a default for a pool:18 19.. code-block:: python20 21 retries = Retry(connect=5, read=2, redirect=5)22 http = PoolManager(retries=retries)23 response = http.request("GET", "https://example.com/")24 25Or per-request (which overrides the default for the pool):26 27.. code-block:: python28 29 response = http.request("GET", "https://example.com/", retries=Retry(10))30 31Retries can be disabled by passing ``False``:32 33.. code-block:: python34 35 response = http.request("GET", "https://example.com/", retries=False)36 37Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless38retries are disabled, in which case the causing exception will be raised.39 40:param int total:41 Total number of retries to allow. Takes precedence over other counts.42 43 Set to ``None`` to remove this constraint and fall back on other44 counts.45 46 Set to ``0`` to fail on the first retry.47 48 Set to ``False`` to disable and imply ``raise_on_redirect=False``.49 50:param int connect:51 How many connection-related errors to retry on.52 53 These are errors raised before the request is sent to the remote server,54 which we assume has not triggered the server to process the request.55 56 Set to ``0`` to fail on the first retry of this type.57 58:param int read:59 How many times to retry on read errors.60 61 These errors are raised after the request was sent to the server, so the62 request may have side-effects.63 64 Set to ``0`` to fail on the first retry of this type.65 66:param int redirect:67 How many redirects to perform. Limit this to avoid infinite redirect68 loops.69 70 A redirect is a HTTP response with a status code 301, 302, 303, 307 or71 308.72 73 Set to ``0`` to fail on the first retry of this type.74 75 Set to ``False`` to disable and imply ``raise_on_redirect=False``.76 77:param int status:78 How many times to retry on bad status codes.79 80 These are retries made on responses, where status code matches81 ``status_forcelist``.82 83 Set to ``0`` to fail on the first retry of this type.84 85:param int other:86 How many times to retry on other errors.87 88 Other errors are errors that are not connect, read, redirect or status errors.89 These errors might be raised after the request was sent to the server, so the90 request might have side-effects.91 92 Set to ``0`` to fail on the first retry of this type.93 94 If ``total`` is not set, it's a good idea to set this to 0 to account95 for unexpected edge cases and avoid infinite retry loops.96 97:param Collection allowed_methods:98 Set of uppercased HTTP method verbs that we should retry on.99 100 By default, we only retry on methods which are considered to be101 idempotent (multiple requests with the same parameters end with the102 same state). See :attr:`Retry.DEFAULT_ALLOWED_METHODS`.103 104 Set to a ``None`` value to retry on any verb.105 106:param Collection status_forcelist:107 A set of integer HTTP status codes that we should force a retry on.108 A retry is initiated if the request method is in ``allowed_methods``109 and the response status code is in ``status_forcelist``.110 111 By default, this is disabled with ``None``.112 113:param float backoff_factor:114 A backoff factor to apply between attempts after the second try115 (most errors are resolved immediately by a second try without a116 delay). urllib3 will sleep for::117 118 {backoff factor} * (2 ** ({number of previous retries}))119 120 seconds. If `backoff_jitter` is non-zero, this sleep is extended by::121 122 random.uniform(0, {backoff jitter})123 124 seconds. For example, if the backoff_factor is 0.1, then :func:`Retry.sleep` will125 sleep for [0.0s, 0.2s, 0.4s, 0.8s, ...] between retries. No backoff will ever126 be longer than `backoff_max`.127 128 By default, backoff is disabled (factor set to 0).129 130:param float backoff_max:131 The maximum backoff time (in seconds) between retry attempts.132 This value caps the computed backoff from `backoff_factor`.133 134:param float backoff_jitter:135 Random jitter amount (in seconds) added to the computed backoff.136 Jitter is sampled uniformly from `0` to `backoff_jitter`.137 138:param bool raise_on_redirect: Whether, if the number of redirects is139 exhausted, to raise a MaxRetryError, or to return a response with a140 response code in the 3xx range.141 142:param bool raise_on_status: Similar meaning to ``raise_on_redirect``:143 whether we should raise an exception, or return a response,144 if status falls in ``status_forcelist`` range and retries have145 been exhausted.146 147:param tuple history: The history of the request encountered during148 each call to :meth:`~Retry.increment`. The list is in the order149 the requests occurred. Each list item is of class :class:`RequestHistory`.150 151:param bool respect_retry_after_header:152 Whether to respect Retry-After header on status codes defined as153 :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not.154 155:param Collection remove_headers_on_redirect:156 Sequence of headers to remove from the request when a response157 indicating a redirect is returned before firing off the redirected158 request.159 160:param int retry_after_max: Number of seconds to allow as the maximum for161 Retry-After headers. Defaults to :attr:`Retry.DEFAULT_RETRY_AFTER_MAX`.162 Any Retry-After headers larger than this value will be limited to this163 value.164)�HEAD�GET�PUT�DELETE�OPTIONS�TRACE)i� i� i� )�Cookie�
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