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* Update docs for review descriptions * Add logging for context tokens used * Incrase number of images due to lower than expected context usage * Re-balance the suspicious activity checks * Adjustments to context sizing * optimize context usage * Adjust context usage * Make title more direct * Update docs
80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
"""Ollama Provider for Frigate AI."""
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import logging
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from typing import Any, Optional
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from httpx import TimeoutException
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from ollama import Client as ApiClient
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from ollama import ResponseError
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from frigate.config import GenAIProviderEnum
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from frigate.genai import GenAIClient, register_genai_provider
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logger = logging.getLogger(__name__)
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@register_genai_provider(GenAIProviderEnum.ollama)
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class OllamaClient(GenAIClient):
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"""Generative AI client for Frigate using Ollama."""
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LOCAL_OPTIMIZED_OPTIONS = {
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"options": {
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"temperature": 0.5,
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"repeat_penalty": 1.05,
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"presence_penalty": 0.3,
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},
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}
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provider: ApiClient
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provider_options: dict[str, Any]
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def _init_provider(self):
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"""Initialize the client."""
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self.provider_options = {
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**self.LOCAL_OPTIMIZED_OPTIONS,
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**self.genai_config.provider_options,
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}
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try:
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client = ApiClient(host=self.genai_config.base_url, timeout=self.timeout)
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# ensure the model is available locally
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response = client.show(self.genai_config.model)
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if response.get("error"):
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logger.error(
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"Ollama error: %s",
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response["error"],
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)
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return None
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return client
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except Exception as e:
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logger.warning("Error initializing Ollama: %s", str(e))
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return None
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def _send(self, prompt: str, images: list[bytes]) -> Optional[str]:
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"""Submit a request to Ollama"""
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if self.provider is None:
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logger.warning(
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"Ollama provider has not been initialized, a description will not be generated. Check your Ollama configuration."
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)
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return None
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try:
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result = self.provider.generate(
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self.genai_config.model,
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prompt,
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images=images if images else None,
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**self.provider_options,
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)
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logger.debug(
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f"Ollama tokens used: eval_count={result.get('eval_count')}, prompt_eval_count={result.get('prompt_eval_count')}"
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)
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return result["response"].strip()
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except (TimeoutException, ResponseError, ConnectionError) as e:
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logger.warning("Ollama returned an error: %s", str(e))
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return None
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def get_context_size(self) -> int:
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"""Get the context window size for Ollama."""
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return self.genai_config.provider_options.get("options", {}).get(
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"num_ctx", 4096
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)
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