Initial commit: OpenRouter Python SDK

Auto-generated Python SDK for OpenRouter API, providing comprehensive client library with:
- Chat completions and streaming support
- Embeddings API
- Model and provider information
- API key management
- Analytics and usage tracking
- OAuth authentication flows
- Full type hints and error handling

src/openrouter/models/chatmessagecontentitem.py

@@ -0,0 +1,45 @@
+"""Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
+
+from __future__ import annotations
+from .chatmessagecontentitemaudio import (
+    ChatMessageContentItemAudio,
+    ChatMessageContentItemAudioTypedDict,
+)
+from .chatmessagecontentitemimage import (
+    ChatMessageContentItemImage,
+    ChatMessageContentItemImageTypedDict,
+)
+from .chatmessagecontentitemtext import (
+    ChatMessageContentItemText,
+    ChatMessageContentItemTextTypedDict,
+)
+from .chatmessagecontentitemvideo import (
+    ChatMessageContentItemVideo,
+    ChatMessageContentItemVideoTypedDict,
+)
+from openrouter.utils import get_discriminator
+from pydantic import Discriminator, Tag
+from typing import Union
+from typing_extensions import Annotated, TypeAliasType
+
+
+ChatMessageContentItemTypedDict = TypeAliasType(
+    "ChatMessageContentItemTypedDict",
+    Union[
+        ChatMessageContentItemTextTypedDict,
+        ChatMessageContentItemImageTypedDict,
+        ChatMessageContentItemAudioTypedDict,
+        ChatMessageContentItemVideoTypedDict,
+    ],
+)
+
+
+ChatMessageContentItem = Annotated[
+    Union[
+        Annotated[ChatMessageContentItemText, Tag("text")],
+        Annotated[ChatMessageContentItemImage, Tag("image_url")],
+        Annotated[ChatMessageContentItemAudio, Tag("input_audio")],
+        Annotated[ChatMessageContentItemVideo, Tag("input_video")],
+    ],
+    Discriminator(lambda m: get_discriminator(m, "type", "type")),
+]