| 1 | """LLM provider abstraction module.""" |
| 2 | |
| 3 | from __future__ import annotations |
| 4 | |
| 5 | from importlib import import_module |
| 6 | from typing import TYPE_CHECKING |
| 7 | |
| 8 | from nanobot.providers.base import LLMProvider, LLMResponse |
| 9 | |
| 10 | __all__ = [ |
| 11 | "LLMProvider", |
| 12 | "LLMResponse", |
| 13 | "AnthropicProvider", |
| 14 | "OpenAICompatProvider", |
| 15 | "OpenAICodexProvider", |
| 16 | "GitHubCopilotProvider", |
| 17 | "AzureOpenAIProvider", |
| 18 | ] |
| 19 | |
| 20 | _LAZY_IMPORTS = { |
| 21 | "AnthropicProvider": ".anthropic_provider", |
| 22 | "OpenAICompatProvider": ".openai_compat_provider", |
| 23 | "OpenAICodexProvider": ".openai_codex_provider", |
| 24 | "GitHubCopilotProvider": ".github_copilot_provider", |
| 25 | "AzureOpenAIProvider": ".azure_openai_provider", |
| 26 | } |
| 27 | |
| 28 | if TYPE_CHECKING: |
| 29 | from nanobot.providers.anthropic_provider import AnthropicProvider |
| 30 | from nanobot.providers.azure_openai_provider import AzureOpenAIProvider |
| 31 | from nanobot.providers.github_copilot_provider import GitHubCopilotProvider |
| 32 | from nanobot.providers.openai_compat_provider import OpenAICompatProvider |
| 33 | from nanobot.providers.openai_codex_provider import OpenAICodexProvider |
| 34 | |
| 35 | |
| 36 | def __getattr__(name: str): |
| 37 | """Lazily expose provider implementations without importing all backends up front.""" |
| 38 | module_name = _LAZY_IMPORTS.get(name) |
| 39 | if module_name is None: |
| 40 | raise AttributeError(f"module {__name__!r} has no attribute {name!r}") |
| 41 | module = import_module(module_name, __name__) |
| 42 | return getattr(module, name) |
| 43 |