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/utils/annotations.py

@@ -0,0 +1,79 @@
+"""Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
+
+from enum import Enum
+from typing import Any, Optional
+
+
+def get_discriminator(model: Any, fieldname: str, key: str) -> str:
+    """
+    Recursively search for the discriminator attribute in a model.
+
+    Args:
+        model (Any): The model to search within.
+        fieldname (str): The name of the field to search for.
+        key (str): The key to search for in dictionaries.
+
+    Returns:
+        str: The name of the discriminator attribute.
+
+    Raises:
+        ValueError: If the discriminator attribute is not found.
+    """
+    upper_fieldname = fieldname.upper()
+
+    def get_field_discriminator(field: Any) -> Optional[str]:
+        """Search for the discriminator attribute in a given field."""
+
+        if isinstance(field, dict):
+            if key in field:
+                return f"{field[key]}"
+
+        if hasattr(field, fieldname):
+            attr = getattr(field, fieldname)
+            if isinstance(attr, Enum):
+                return f"{attr.value}"
+            return f"{attr}"
+
+        if hasattr(field, upper_fieldname):
+            attr = getattr(field, upper_fieldname)
+            if isinstance(attr, Enum):
+                return f"{attr.value}"
+            return f"{attr}"
+
+        return None
+
+    def search_nested_discriminator(obj: Any) -> Optional[str]:
+        """Recursively search for discriminator in nested structures."""
+        # First try direct field lookup
+        discriminator = get_field_discriminator(obj)
+        if discriminator is not None:
+            return discriminator
+
+        # If it's a dict, search in nested values
+        if isinstance(obj, dict):
+            for value in obj.values():
+                if isinstance(value, list):
+                    # Search in list items
+                    for item in value:
+                        nested_discriminator = search_nested_discriminator(item)
+                        if nested_discriminator is not None:
+                            return nested_discriminator
+                elif isinstance(value, dict):
+                    # Search in nested dict
+                    nested_discriminator = search_nested_discriminator(value)
+                    if nested_discriminator is not None:
+                        return nested_discriminator
+
+        return None
+
+    if isinstance(model, list):
+        for field in model:
+            discriminator = search_nested_discriminator(field)
+            if discriminator is not None:
+                return discriminator
+
+    discriminator = search_nested_discriminator(model)
+    if discriminator is not None:
+        return discriminator
+
+    raise ValueError(f"Could not find discriminator field {fieldname} in {model}")