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import logging |
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from boto3.session import Session |
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__author__ = 'Amazon Web Services' |
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__version__ = '0.0.14' |
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DEFAULT_SESSION = None |
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def setup_default_session(**kwargs): |
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""" |
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Set up a default session, passing through any parameters to the session |
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constructor. There is no need to call this unless you wish to pass custom |
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parameters, because a default session will be created for you. |
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""" |
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global DEFAULT_SESSION |
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DEFAULT_SESSION = Session(**kwargs) |
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def set_stream_logger(name='boto3', level=logging.DEBUG, format_string=None): |
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""" |
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Add a stream handler for the given name and level to the logging module. |
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By default, this logs all boto3 messages to ``stdout``. |
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>>> import boto3 |
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>>> boto3.set_stream_logger('boto3.resources', logging.INFO) |
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:type name: string |
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:param name: Log name |
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:type level: int |
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:param level: Logging level, e.g. ``logging.INFO`` |
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:type format_string: str |
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:param format_string: Log message format |
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""" |
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if format_string is None: |
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format_string = "%(asctime)s %(name)s [%(levelname)s] %(message)s" |
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logger = logging.getLogger(name) |
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logger.setLevel(level) |
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handler = logging.StreamHandler() |
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handler.setLevel(level) |
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formatter = logging.Formatter(format_string) |
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handler.setFormatter(formatter) |
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logger.addHandler(handler) |
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def _get_default_session(): |
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""" |
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Get the default session, creating one if needed. |
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:rtype: :py:class:`~boto3.session.Sesssion` |
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:return: The default session |
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""" |
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if DEFAULT_SESSION is None: |
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setup_default_session() |
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return DEFAULT_SESSION |
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def client(*args, **kwargs): |
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""" |
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Create a low-level service client by name using the default session. |
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See :py:meth:`boto3.session.Session.client`. |
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""" |
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return _get_default_session().client(*args, **kwargs) |
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def resource(*args, **kwargs): |
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""" |
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Create a resource service client by name using the default session. |
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See :py:meth:`boto3.session.Session.resource`. |
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""" |
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return _get_default_session().resource(*args, **kwargs) |
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class NullHandler(logging.Handler): |
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def emit(self, record): |
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pass |
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logging.getLogger('boto3').addHandler(NullHandler()) |
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