two version of R2R are here HEAD master

1 files changed, 153 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/boto3/resources/base.py b/.venv/lib/python3.12/site-packages/boto3/resources/base.py
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+# Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+# https://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+
+import logging
+
+import boto3
+
+logger = logging.getLogger(__name__)
+
+
+class ResourceMeta:
+    """
+    An object containing metadata about a resource.
+    """
+
+    def __init__(
+        self,
+        service_name,
+        identifiers=None,
+        client=None,
+        data=None,
+        resource_model=None,
+    ):
+        #: (``string``) The service name, e.g. 's3'
+        self.service_name = service_name
+
+        if identifiers is None:
+            identifiers = []
+        #: (``list``) List of identifier names
+        self.identifiers = identifiers
+
+        #: (:py:class:`~botocore.client.BaseClient`) Low-level Botocore client
+        self.client = client
+        #: (``dict``) Loaded resource data attributes
+        self.data = data
+
+        # The resource model for that resource
+        self.resource_model = resource_model
+
+    def __repr__(self):
+        return f'ResourceMeta(\'{self.service_name}\', identifiers={self.identifiers})'
+
+    def __eq__(self, other):
+        # Two metas are equal if their components are all equal
+        if other.__class__.__name__ != self.__class__.__name__:
+            return False
+
+        return self.__dict__ == other.__dict__
+
+    def copy(self):
+        """
+        Create a copy of this metadata object.
+        """
+        params = self.__dict__.copy()
+        service_name = params.pop('service_name')
+        return ResourceMeta(service_name, **params)
+
+
+class ServiceResource:
+    """
+    A base class for resources.
+
+    :type client: botocore.client
+    :param client: A low-level Botocore client instance
+    """
+
+    meta = None
+    """
+    Stores metadata about this resource instance, such as the
+    ``service_name``, the low-level ``client`` and any cached ``data``
+    from when the instance was hydrated. For example::
+
+        # Get a low-level client from a resource instance
+        client = resource.meta.client
+        response = client.operation(Param='foo')
+
+        # Print the resource instance's service short name
+        print(resource.meta.service_name)
+
+    See :py:class:`ResourceMeta` for more information.
+    """
+
+    def __init__(self, *args, **kwargs):
+        # Always work on a copy of meta, otherwise we would affect other
+        # instances of the same subclass.
+        self.meta = self.meta.copy()
+
+        # Create a default client if none was passed
+        if kwargs.get('client') is not None:
+            self.meta.client = kwargs.get('client')
+        else:
+            self.meta.client = boto3.client(self.meta.service_name)
+
+        # Allow setting identifiers as positional arguments in the order
+        # in which they were defined in the ResourceJSON.
+        for i, value in enumerate(args):
+            setattr(self, '_' + self.meta.identifiers[i], value)
+
+        # Allow setting identifiers via keyword arguments. Here we need
+        # extra logic to ignore other keyword arguments like ``client``.
+        for name, value in kwargs.items():
+            if name == 'client':
+                continue
+
+            if name not in self.meta.identifiers:
+                raise ValueError(f'Unknown keyword argument: {name}')
+
+            setattr(self, '_' + name, value)
+
+        # Validate that all identifiers have been set.
+        for identifier in self.meta.identifiers:
+            if getattr(self, identifier) is None:
+                raise ValueError(f'Required parameter {identifier} not set')
+
+    def __repr__(self):
+        identifiers = []
+        for identifier in self.meta.identifiers:
+            identifiers.append(
+                f'{identifier}={repr(getattr(self, identifier))}'
+            )
+        return "{}({})".format(
+            self.__class__.__name__,
+            ', '.join(identifiers),
+        )
+
+    def __eq__(self, other):
+        # Should be instances of the same resource class
+        if other.__class__.__name__ != self.__class__.__name__:
+            return False
+
+        # Each of the identifiers should have the same value in both
+        # instances, e.g. two buckets need the same name to be equal.
+        for identifier in self.meta.identifiers:
+            if getattr(self, identifier) != getattr(other, identifier):
+                return False
+
+        return True
+
+    def __hash__(self):
+        identifiers = []
+        for identifier in self.meta.identifiers:
+            identifiers.append(getattr(self, identifier))
+        return hash((self.__class__.__name__, tuple(identifiers)))