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https://github.com/Routstr/routstr-core.git
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44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
from ..payment.models import Model, async_fetch_openrouter_models
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from .base import BaseUpstreamProvider
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class AnthropicUpstreamProvider(BaseUpstreamProvider):
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"""Upstream provider specifically configured for Anthropic API."""
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def __init__(self, api_key: str, provider_fee: float = 1.01):
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self.upstream_name = "anthropic"
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super().__init__(
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base_url="https://api.anthropic.com/v1",
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api_key=api_key,
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provider_fee=provider_fee,
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)
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def transform_model_name(self, model_id: str) -> str:
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"""Strip 'anthropic/' prefix for Anthropic API compatibility and transform model names."""
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if model_id.startswith("anthropic/"):
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model_id = model_id[len("anthropic/") :]
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fixed_transforms = {
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"claude-haiku-4.5": "claude-haiku-4-5-20251001",
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"claude-sonnet-4.5": "claude-sonnet-4-5-20250929",
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"claude-opus-4.1": "claude-opus-4-1-20250805",
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"claude-opus-4": "claude-opus-4-20250514",
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"claude-sonnet-4": "claude-sonnet-4-20250514",
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"claude-3.5-haiku": "claude-3-5-haiku-20241022",
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"claude-3-haiku": "claude-3-haiku-20240307",
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"claude-haiku-4-5": "claude-haiku-4-5-20251001",
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"claude-sonnet-4-5": "claude-sonnet-4-5-20250929",
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"claude-opus-4-1": "claude-opus-4-1-20250805",
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"claude-3-5-haiku": "claude-3-5-haiku-20241022",
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}
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if model_id in fixed_transforms:
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model_id = fixed_transforms[model_id]
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return model_id
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async def fetch_models(self) -> list[Model]:
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"""Fetch Anthropic models from OpenRouter API filtered by anthropic source."""
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models_data = await async_fetch_openrouter_models(source_filter="anthropic")
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models = [Model(**model) for model in models_data] # type: ignore
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for model in models:
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model.alias_ids = [self.transform_model_name(model.id)]
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return models
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