feat: initial commit - Phase 1 & 2 core features

backend/.venv/lib/python3.9/site-packages/prometheus_client/aiohttp/__init__.py

@@ -0,0 +1,5 @@
+from .exposition import make_aiohttp_handler
+
+__all__ = [
+    "make_aiohttp_handler",
+]

backend/.venv/lib/python3.9/site-packages/prometheus_client/aiohttp/exposition.py

@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+from aiohttp import hdrs, web
+from aiohttp.typedefs import Handler
+
+from ..exposition import _bake_output
+from ..registry import Collector, REGISTRY
+
+
+def make_aiohttp_handler(
+    registry: Collector = REGISTRY,
+    disable_compression: bool = False,
+) -> Handler:
+    """Create a aiohttp handler which serves the metrics from a registry."""
+
+    async def prometheus_handler(request: web.Request) -> web.Response:
+        # Prepare parameters
+        params = {key: request.query.getall(key) for key in request.query.keys()}
+        accept_header = ",".join(request.headers.getall(hdrs.ACCEPT, []))
+        accept_encoding_header = ""
+        # Bake output
+        status, headers, output = _bake_output(
+            registry,
+            accept_header,
+            accept_encoding_header,
+            params,
+            # use AIOHTTP's compression
+            disable_compression=True,
+        )
+        response = web.Response(
+            status=int(status.split(" ")[0]),
+            headers=headers,
+            body=output,
+        )
+        if not disable_compression:
+            response.enable_compression()
+        return response
+
+    return prometheus_handler