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This module contains the main interface to the botocore package, the
Session object.
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The Session object collects together useful functionality
from `botocore` as well as important data such as configuration
information and credentials into a single, easy-to-use object.
:ivar available_profiles: A list of profiles defined in the config
file associated with this session.
:ivar profile: The current profile.
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Create a new Session object.
:type session_vars: dict
:param session_vars: A dictionary that is used to override some or all
of the environment variables associated with this session. The
key/value pairs defined in this dictionary will override the
corresponding variables defined in ``SESSION_VARIABLES``.
:type event_hooks: BaseEventHooks
:param event_hooks: The event hooks object to use. If one is not
provided, an event hooks object will be automatically created
for you.
:type include_builtin_handlers: bool
:param include_builtin_handlers: Indicates whether or not to
automatically register builtin handlers.
:type profile: str
:param profile: The name of the profile to use for this
session. Note that the profile can only be set when
the session is created.
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chain_builderr� �name�config_options� config_name�env_varsr� �typecast�build_chain_config_argsr� �values rF r� z0Session._get_config_variable_with_custom_methodsG s� � � 1��w�O�
�8��>��$(�$8�$8�$>�$>�$@� � �D�.�7E� 4�K��7�H�#+�"�'� #� �W�$�;?�'��8��� �;C�'��8��7�"�BM�'�(>�?� =�M� =� =� �)� �G�D�M� � "2�'�!B� �&�:�:�<�H��� rH c �P � t j d||� || j |< y)a� Set a configuration variable to a specific value.
By using this method, you can override the normal lookup
process used in ``get_config_variable`` by explicitly setting
a value. Subsequent calls to ``get_config_variable`` will
use the ``value``. This gives you per-session specific
configuration values.
::
>>> # Assume logical name 'foo' maps to env var 'FOO'
>>> os.environ['FOO'] = 'myvalue'
>>> s.get_config_variable('foo')
'myvalue'
>>> s.set_config_variable('foo', 'othervalue')
>>> s.get_config_variable('foo')
'othervalue'
:type logical_name: str
:param logical_name: The logical name of the session variable
you want to set. These are the keys in ``SESSION_VARIABLES``.
:param value: The value to associate with the config variable.
z$Setting config variable for %s to %rN)�logger�debugr7 )rB r� r� s rF �set_config_variablezSession.set_config_variablec s+ � �0 � � � 2� � �
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Returns the config values from the config file scoped to the current
profile.
The configuration data is loaded **only** from the config file.
It does not resolve variables based on different locations
(e.g. first from the session instance, then from environment
variables, then from the config file). If you want this lookup
behavior, use the ``get_config_variable`` method instead.
Note that this configuration is specific to a single profile (the
``profile`` session variable).
If the ``profile`` session variable is set and the profile does
not exist in the config file, a ``ProfileNotFound`` exception
will be raised.
:raises: ConfigNotFound, ConfigParseError, ProfileNotFound
:rtype: dict
r+ r� )r+ )rn r� �getr )rB � profile_name� profile_maps rF �get_scoped_configzSession.get_scoped_config� s[ � �, �/�/� �:� ��-�-�/� � � � �?�?�9�b�1� 1�
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$ r di i| _ Y ��w xY w# t
$ r Y | j S w xY w)z�Return the parsed config file.
The ``get_config`` method returns the config associated with the
specified profile. This property returns the contents of the
**entire** config file.
:rtype: dict
� config_filer� �credentials_file)r3 rn r` � configloader� load_configr �raw_config_parserA )rB r� � cred_file�
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c � � | j S )a Retrieves the default config for creating clients
:rtype: botocore.client.Config
:returns: The default client config object when creating clients. If
the value is ``None`` then there is no default config object
attached to the session.
�r8 rW s rF �get_default_client_configz!Session.get_default_client_config� s � � �"�"�"rH c � � || _ y)a1 Sets the default config for creating clients
:type client_config: botocore.client.Config
:param client_config: The default client config object when creating
clients. If the value is ``None`` then there is no default config
object attached to the session.
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client_configs rF �set_default_client_configz!Session.set_default_client_config� s � � ,��rH c �P � t j j |||� | _ y)aO
Manually create credentials for this session. If you would
prefer to use botocore without a config file, environment variables,
or IAM roles, you can pass explicit credentials into this
method to establish credentials for this session.
:type access_key: str
:param access_key: The access key part of the credentials.
:type secret_key: str
:param secret_key: The secret key part of the credentials.
:type token: str
:param token: An option session token used by STS session
credentials.
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access_key�
secret_key�tokens rF �set_credentialszSession.set_credentials� s$ � �" %� 0� 0� <� <� �
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Return the :class:`botocore.credential.Credential` object
associated with this session. If the credentials have not
yet been loaded, this will attempt to load them. If they
have already been loaded, this will return the cached
credentials.
rd )r4 r; ru �load_credentialsrW s rF �get_credentialszSession.get_credentials� sF � � � � � $� $� 0� 0� >� >�%�!� � � �
� � � � � rH c � � | j �0| j j d� }|j � | _ | j S )a
Return the :class:`botocore.tokens.AuthToken` object associated with
this session. If the authorization token has not yet been loaded, this
will attempt to load it. If it has already been loaded, this will
return the cached authorization token.
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load_token)rB �providers rF �get_auth_tokenzSession.get_auth_token sD � � � � � #��'�'�5�5�6F�G�H� '� 2� 2� 4�D� �� � � rH c
� � | j � d| j � dt j � � dt j � � dt j
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Return a string suitable for use as a User-Agent header.
The string will be of the form:
<agent_name>/<agent_version> Python/<py_ver> <plat_name>/<plat_ver> <exec_env>
Where:
- agent_name is the value of the `user_agent_name` attribute
of the session object (`Botocore` by default).
- agent_version is the value of the `user_agent_version`
attribute of the session object (the botocore version by default).
by default.
- py_ver is the version of the Python interpreter beng used.
- plat_name is the name of the platform (e.g. Darwin)
- plat_ver is the version of the platform
- exec_env is exec-env/$AWS_EXECUTION_ENV
If ``user_agent_extra`` is not empty, then this value will be
appended to the end of the user agent string.
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Retrieve the data associated with `data_path`.
:type data_path: str
:param data_path: The path to the data you wish to retrieve.
rk )ru r� )rB rm s rF �get_datazSession.get_data8 s � � �!�!�-�0�:�:�9�E�ErH c �@ � | j ||� }t ||�� S )a� Get the service model object.
:type service_name: string
:param service_name: The service name
:type api_version: string
:param api_version: The API version of the service. If none is
provided, then the latest API version will be used.
:rtype: L{botocore.model.ServiceModel}
:return: The botocore service model for the service.
)� service_name)�get_service_datar )rB r � api_version�service_descriptions rF �get_service_modelzSession.get_service_modelA s% � � #� 3� 3�L�+� N��� /�l�K�KrH c �t � | j d� }|j |d|� }t j |� S )Nrk z waiters-2)ru �load_service_modelr � WaiterModel)rB r r rx �
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� �!�!�-�0�0rH c �t � | j d� }|j |d|� }t j |� S )Nrk z paginators-1)ru r r �PaginatorModel)rB r r rx �paginator_configs rF �get_paginator_modelzSession.get_paginator_modelY s> � ��#�#�M�2��!�4�4� �.�+�
�� �&�&�'7�8�8rH c � � |}| j d� j |d|�� }t j ||� }| j j d|z ||| �� |S )zK
Retrieve the fully merged data associated with a service.
rk � service-2)� type_namer zservice-data-loaded.%s)� service_datar r� )ru r r# r� r- �emit)rB r r rm r* �
service_ids rF r zSession.get_service_data` su � � !� ��)�)�-�8�K�K� ��+� L�
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Return a list of names of available services.
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Convenience function to quickly configure full debug output
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Convenience method to configure a stream logger.
:type logger_name: str
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:type log_level: str
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is any param supported by the ``.setLevel()`` method of
a ``Log`` object.
:type stream: file
:param stream: A file like object to log to. If none is provided
then sys.stderr will be used.
:type format_string: str
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Convenience function to quickly configure any level of logging
to a file.
:type log_level: int
:param log_level: A log level as specified in the `logging` module
:type path: string
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if it doesn't already exist.
N) r2 r7 r8 r3 � FileHandlerr; r: r< r= )rB r> ry r4 rA rB rC s rF �set_file_loggerzSession.set_file_logger� st � � � � � �,�� � � �W�]�]�#� �
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� � �I� � �%�%�d�o�o�6� � ��� �"� ���r�rH c �B � | j j ||||�� y)a) Register a handler with an event.
:type event_name: str
:param event_name: The name of the event.
:type handler: callable
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is emitted. This object must be callable, and must
accept ``**kwargs``. If either of these preconditions are
not met, a ``ValueError`` will be raised.
:type unique_id: str
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registration. A unique_id can only be used once for
the entire session registration (unless it is unregistered).
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registered twice.
:param unique_id_uses_count: boolean
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event can only be completely unregistered once every register call
using the unique id has been matched by an ``unregister`` call.
If ``unique_id`` is specified, subsequent ``register``
calls must use the same value for ``unique_id_uses_count``
as the ``register`` call that first registered the event.
:raises ValueError: If the call to ``register`` uses ``unique_id``
but the value for ``unique_id_uses_count`` differs from the
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rH c �B � | j j ||||�� y)a Unregister a handler with an event.
:type event_name: str
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:type unique_id: str
:param unique_id: A unique identifier identifying the callback
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unique_id, you do not have to provide both.
:param unique_id_uses_count: boolean
:param unique_id_uses_count: Specifies if the event should maintain
a count when a ``unique_id`` is registered and unregisted. The
event can only be completely unregistered once every ``register``
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registered the event.
:raises ValueError: If the call to ``unregister`` uses ``unique_id``
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Create a botocore client.
:type service_name: string
:param service_name: The name of the service for which a client will
be created. You can use the ``Session.get_available_services()``
method to get a list of all available service names.
:type region_name: string
:param region_name: The name of the region associated with the client.
A client is associated with a single region.
:type api_version: string
:param api_version: The API version to use. By default, botocore will
use the latest API version when creating a client. You only need
to specify this parameter if you want to use a previous API version
of the client.
:type use_ssl: boolean
:param use_ssl: Whether or not to use SSL. By default, SSL is used.
Note that not all services support non-ssl connections.
:type verify: boolean/string
:param verify: Whether or not to verify SSL certificates.
By default SSL certificates are verified. You can provide the
following values:
* False - do not validate SSL certificates. SSL will still be
used (unless use_ssl is False), but SSL certificates
will not be verified.
* path/to/cert/bundle.pem - A filename of the CA cert bundle to
uses. You can specify this argument if you want to use a
different CA cert bundle than the one used by botocore.
:type endpoint_url: string
:param endpoint_url: The complete URL to use for the constructed
client. Normally, botocore will automatically construct the
appropriate URL to use when communicating with a service. You can
specify a complete URL (including the "http/https" scheme) to
override this behavior. If this value is provided, then
``use_ssl`` is ignored.
:type aws_access_key_id: string
:param aws_access_key_id: The access key to use when creating
the client. This is entirely optional, and if not provided,
the credentials configured for the session will automatically
be used. You only need to provide this argument if you want
to override the credentials used for this specific client.
:type aws_secret_access_key: string
:param aws_secret_access_key: The secret key to use when creating
the client. Same semantics as aws_access_key_id above.
:type aws_session_token: string
:param aws_session_token: The session token to use when creating
the client. Same semantics as aws_access_key_id above.
:type config: botocore.client.Config
:param config: Advanced client configuration options. If a value
is specified in the client config, its value will take precedence
over environment variables and configuration values, but not over
a value passed explicitly to the method. If a default config
object is set on the session, the config object used when creating
the client will be the result of calling ``merge()`` on the
default config with the config provided to this call.
:rtype: botocore.client.BaseClient
:return: A botocore client instance
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:type region_name: string
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r| )r� �get_partition_for_region)rB rg r� s rF r� z Session.get_partition_for_region9 s& � � �/�/�0C�D���0�0��=�=rH c � � | j d� }g } | j |� }|d j d|� }|j |||� }|S # t $ r Y |S w xY w)a] Lists the region and endpoint names of a particular partition.
:type service_name: string
:param service_name: Name of a service to list endpoint for (e.g., s3).
This parameter accepts a service name (e.g., "elb") or endpoint
prefix (e.g., "elasticloadbalancing").
:type partition_name: string
:param partition_name: Name of the partition to limit endpoints to.
(e.g., aws for the public AWS endpoints, aws-cn for AWS China
endpoints, aws-us-gov for AWS GovCloud (US) Endpoints, etc.
:type allow_non_regional: bool
:param allow_non_regional: Set to True to include endpoints that are
not regional endpoints (e.g., s3-external-1,
fips-us-gov-west-1, etc).
:return: Returns a list of endpoint names (e.g., ["us-east-1"]).
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rH r> c �* � e Zd ZdZdd�Z dd�Zy)r� a` A class for creating backwards compatible configuration chains.
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methods argument to get_config_variable. This class can be used to filter
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chain.
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('instance', 'config',) it will not inject the environment provider
into the standard config chain. This lets the botocore session support
the custom ``methods`` argument for all the default botocore config
variables when calling ``get_config_variable``.
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