From 6d7ba58f880be618ade07f8ea080fe8c4bf8a896 Mon Sep 17 00:00:00 2001 From: cyfraeviolae Date: Wed, 3 Apr 2024 03:10:44 -0400 Subject: venv --- .../litestar/contrib/opentelemetry/config.py | 102 +++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 venv/lib/python3.11/site-packages/litestar/contrib/opentelemetry/config.py (limited to 'venv/lib/python3.11/site-packages/litestar/contrib/opentelemetry/config.py') diff --git a/venv/lib/python3.11/site-packages/litestar/contrib/opentelemetry/config.py b/venv/lib/python3.11/site-packages/litestar/contrib/opentelemetry/config.py new file mode 100644 index 0000000..c0cce8a --- /dev/null +++ b/venv/lib/python3.11/site-packages/litestar/contrib/opentelemetry/config.py @@ -0,0 +1,102 @@ +from __future__ import annotations + +from dataclasses import dataclass, field +from typing import TYPE_CHECKING, Any, Callable + +from litestar.contrib.opentelemetry._utils import get_route_details_from_scope +from litestar.contrib.opentelemetry.middleware import ( + OpenTelemetryInstrumentationMiddleware, +) +from litestar.exceptions import MissingDependencyException +from litestar.middleware.base import DefineMiddleware + +__all__ = ("OpenTelemetryConfig",) + + +try: + import opentelemetry # noqa: F401 +except ImportError as e: + raise MissingDependencyException("opentelemetry") from e + + +from opentelemetry.trace import Span, TracerProvider # pyright: ignore + +if TYPE_CHECKING: + from opentelemetry.metrics import Meter, MeterProvider + + from litestar.types import Scope, Scopes + +OpenTelemetryHookHandler = Callable[[Span, dict], None] + + +@dataclass +class OpenTelemetryConfig: + """Configuration class for the OpenTelemetry middleware. + + Consult the [OpenTelemetry ASGI documentation](https://opentelemetry-python-contrib.readthedocs.io/en/latest/instrumentation/asgi/asgi.html) for more info about the configuration options. + """ + + scope_span_details_extractor: Callable[[Scope], tuple[str, dict[str, Any]]] = field( + default=get_route_details_from_scope + ) + """Callback which should return a string and a tuple, representing the desired default span name and a dictionary + with any additional span attributes to set. + """ + server_request_hook_handler: OpenTelemetryHookHandler | None = field(default=None) + """Optional callback which is called with the server span and ASGI scope object for every incoming request.""" + client_request_hook_handler: OpenTelemetryHookHandler | None = field(default=None) + """Optional callback which is called with the internal span and an ASGI scope which is sent as a dictionary for when + the method receive is called. + """ + client_response_hook_handler: OpenTelemetryHookHandler | None = field(default=None) + """Optional callback which is called with the internal span and an ASGI event which is sent as a dictionary for when + the method send is called. + """ + meter_provider: MeterProvider | None = field(default=None) + """Optional meter provider to use. + + If omitted the current globally configured one is used. + """ + tracer_provider: TracerProvider | None = field(default=None) + """Optional tracer provider to use. + + If omitted the current globally configured one is used. + """ + meter: Meter | None = field(default=None) + """Optional meter to use. + + If omitted the provided meter provider or the global one will be used. + """ + exclude: str | list[str] | None = field(default=None) + """A pattern or list of patterns to skip in the Allowed Hosts middleware.""" + exclude_opt_key: str | None = field(default=None) + """An identifier to use on routes to disable hosts check for a particular route.""" + exclude_urls_env_key: str = "LITESTAR" + """Key to use when checking whether a list of excluded urls is passed via ENV. + + OpenTelemetry supports excluding urls by passing an env in the format '{exclude_urls_env_key}_EXCLUDED_URLS'. With + the default being ``LITESTAR_EXCLUDED_URLS``. + """ + scopes: Scopes | None = field(default=None) + """ASGI scopes processed by the middleware, if None both ``http`` and ``websocket`` will be processed.""" + middleware_class: type[OpenTelemetryInstrumentationMiddleware] = field( + default=OpenTelemetryInstrumentationMiddleware + ) + """The middleware class to use. + + Should be a subclass of OpenTelemetry + InstrumentationMiddleware][litestar.contrib.opentelemetry.OpenTelemetryInstrumentationMiddleware]. + """ + + @property + def middleware(self) -> DefineMiddleware: + """Create an instance of :class:`DefineMiddleware ` that wraps with. + + [OpenTelemetry + InstrumentationMiddleware][litestar.contrib.opentelemetry.OpenTelemetryInstrumentationMiddleware] or a subclass + of this middleware. + + Returns: + An instance of ``DefineMiddleware``. + """ + return DefineMiddleware(self.middleware_class, config=self) -- cgit v1.2.3