~tjFdZddlmZddlmZddlmZed d Zd S) abShared helper for resolving an installed package's version. Integrations stamp ``ls_integration_version`` with the version of the third-party framework they trace (e.g. ``pipecat-ai``, ``google-adk``, ``openai-agents``) so LangSmith can attribute traces to the integration and framework version in use. This is the single implementation they all share. ) annotations)cache)Optional package_namestrreturn Optional[str]cH ddlm}||S#t$rYdSwxYw)uInstalled version of ``package_name``, or ``None`` if unresolvable. Cached — an installed package's version doesn't change at runtime, and this is called once per trace root. Never raises: a missing package or metadata just yields ``None``. r)versionN)importlib.metadatar Exception)rr s b/var/www/html/CA-Chatbot/venv/lib/python3.11/site-packages/langsmith/_internal/_package_version.pyget_package_versionrsK......w|$$$ tts  !!N)rrrr )__doc__ __future__r functoolsrtypingrrrrsq#"""""      r