1 files changed, 97 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/botocore/docs/docstring.py b/.venv/lib/python3.12/site-packages/botocore/docs/docstring.py
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+# Copyright 2015 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
+#
+# http://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.
+from botocore.docs.bcdoc.restdoc import DocumentStructure
+from botocore.docs.method import document_model_driven_method
+from botocore.docs.paginator import document_paginate_method
+from botocore.docs.waiter import document_wait_method
+
+
+class LazyLoadedDocstring(str):
+    """Used for lazily loading docstrings
+
+    You can instantiate this class and assign it to a __doc__ value.
+    The docstring will not be generated till accessed via __doc__ or
+    help(). Note that all docstring classes **must** subclass from
+    this class. It cannot be used directly as a docstring.
+    """
+
+    def __init__(self, *args, **kwargs):
+        """
+        The args and kwargs are the same as the underlying document
+        generation function. These just get proxied to the underlying
+        function.
+        """
+        super().__init__()
+        self._gen_args = args
+        self._gen_kwargs = kwargs
+        self._docstring = None
+
+    def __new__(cls, *args, **kwargs):
+        # Needed in order to sub class from str with args and kwargs
+        return super().__new__(cls)
+
+    def _write_docstring(self, *args, **kwargs):
+        raise NotImplementedError(
+            '_write_docstring is not implemented. Please subclass from '
+            'this class and provide your own _write_docstring method'
+        )
+
+    def expandtabs(self, tabsize=8):
+        """Expands tabs to spaces
+
+        So this is a big hack in order to get lazy loaded docstring work
+        for the ``help()``. In the ``help()`` function, ``pydoc`` and
+        ``inspect`` are used. At some point the ``inspect.cleandoc``
+        method is called. To clean the docs ``expandtabs`` is called
+        and that is where we override the method to generate and return the
+        docstrings.
+        """
+        if self._docstring is None:
+            self._generate()
+        return self._docstring.expandtabs(tabsize)
+
+    def __str__(self):
+        return self._generate()
+
+    # __doc__ of target will use either __repr__ or __str__ of this class.
+    __repr__ = __str__
+
+    def _generate(self):
+        # Generate the docstring if it is not already cached.
+        if self._docstring is None:
+            self._docstring = self._create_docstring()
+        return self._docstring
+
+    def _create_docstring(self):
+        docstring_structure = DocumentStructure('docstring', target='html')
+        # Call the document method function with the args and kwargs
+        # passed to the class.
+        self._write_docstring(
+            docstring_structure, *self._gen_args, **self._gen_kwargs
+        )
+        return docstring_structure.flush_structure().decode('utf-8')
+
+
+class ClientMethodDocstring(LazyLoadedDocstring):
+    def _write_docstring(self, *args, **kwargs):
+        document_model_driven_method(*args, **kwargs)
+
+
+class WaiterDocstring(LazyLoadedDocstring):
+    def _write_docstring(self, *args, **kwargs):
+        document_wait_method(*args, **kwargs)
+
+
+class PaginatorDocstring(LazyLoadedDocstring):
+    def _write_docstring(self, *args, **kwargs):
+        document_paginate_method(*args, **kwargs)