release: v1.0.0 (#32567)

Co-authored-by: Mohammad Mohtashim <45242107+keenborder786@users.noreply.github.com>
Co-authored-by: Caspar Broekhuizen <caspar@langchain.dev>
Co-authored-by: ccurme <chester.curme@gmail.com>
Co-authored-by: Christophe Bornet <cbornet@hotmail.com>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Sadra Barikbin <sadraqazvin1@yahoo.com>
Co-authored-by: Vadym Barda <vadim.barda@gmail.com>

libs/partners/ollama/langchain_ollama/_compat.py

@@ -0,0 +1,67 @@
+"""Go from v1 content blocks to Ollama SDK format."""
+
+from typing import Any
+
+from langchain_core.messages import content as types
+
+
+def _convert_from_v1_to_ollama(
+    content: list[types.ContentBlock],
+    model_provider: str | None,  # noqa: ARG001
+) -> list[dict[str, Any]]:
+    """Convert v1 content blocks to Ollama format.
+
+    Args:
+        content: List of v1 `ContentBlock` objects.
+        model_provider: The model provider name that generated the v1 content.
+
+    Returns:
+        TODO
+    """
+    new_content: list = []
+    for block in content:
+        if not isinstance(block, dict) or "type" not in block:
+            continue
+
+        block_dict = dict(block)  # (For typing)
+
+        # TextContentBlock
+        if block_dict["type"] == "text":
+            # Note: this drops all other fields/extras
+            new_content.append({"type": "text", "text": block_dict["text"]})
+
+        # ReasoningContentBlock
+        # Ollama doesn't take reasoning back in
+        # In the future, could consider coercing into text as an option?
+        # e.g.:
+        # if block_dict["type"] == "reasoning":
+        #     # Attempt to preserve content in text form
+        #     new_content.append({"text": str(block_dict["reasoning"])})
+
+        # ImageContentBlock
+        if block_dict["type"] == "image":
+            # Already handled in _get_image_from_data_content_block
+            new_content.append(block_dict)
+
+        # TODO: AudioContentBlock once models support
+
+        # TODO: FileContentBlock once models support
+
+        # ToolCall -> ???
+        # if block_dict["type"] == "tool_call":
+        #     function_call = {}
+        #     new_content.append(function_call)
+
+        # ToolCallChunk -> ???
+        # elif block_dict["type"] == "tool_call_chunk":
+        #     function_call = {}
+        #     new_content.append(function_call)
+
+        # NonStandardContentBlock
+        if block_dict["type"] == "non_standard":
+            # Attempt to preserve content in text form
+            new_content.append(
+                {"type": "text", "text": str(block_dict.get("value", ""))}
+            )
+
+    return new_content