chore: import upstream snapshot with attribution

python/zvec/extension/__init__.py

@@ -0,0 +1,58 @@
+# Copyright 2025-present the zvec project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License 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 __future__ import annotations
+
+from .bm25_embedding_function import BM25EmbeddingFunction
+from .embedding_function import DenseEmbeddingFunction, SparseEmbeddingFunction
+from .http_embedding_function import HTTPDenseEmbedding
+from .jina_embedding_function import JinaDenseEmbedding
+from .jina_function import JinaFunctionBase
+from .multi_vector_reranker import CallbackReRanker, RrfReRanker, WeightedReRanker
+from .openai_embedding_function import OpenAIDenseEmbedding
+from .openai_function import OpenAIFunctionBase
+from .qwen_embedding_function import QwenDenseEmbedding, QwenSparseEmbedding
+from .qwen_function import QwenFunctionBase
+from .qwen_rerank_function import QwenReRanker
+from .rerank_function import RerankFunction
+from .rerank_function import RerankFunction as ReRanker
+from .sentence_transformer_embedding_function import (
+    DefaultLocalDenseEmbedding,
+    DefaultLocalSparseEmbedding,
+)
+from .sentence_transformer_function import SentenceTransformerFunctionBase
+from .sentence_transformer_rerank_function import DefaultLocalReRanker
+
+__all__ = [
+    "BM25EmbeddingFunction",
+    "CallbackReRanker",
+    "DefaultLocalDenseEmbedding",
+    "DefaultLocalReRanker",
+    "DefaultLocalSparseEmbedding",
+    "DenseEmbeddingFunction",
+    "HTTPDenseEmbedding",
+    "JinaDenseEmbedding",
+    "JinaFunctionBase",
+    "OpenAIDenseEmbedding",
+    "OpenAIFunctionBase",
+    "QwenDenseEmbedding",
+    "QwenFunctionBase",
+    "QwenReRanker",
+    "QwenSparseEmbedding",
+    "ReRanker",
+    "RerankFunction",
+    "RrfReRanker",
+    "SentenceTransformerFunctionBase",
+    "SparseEmbeddingFunction",
+    "WeightedReRanker",
+]