Relax httpx version to allow >= 0.18.0 (#1748)

Author: phillipuniverse

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Instrument all httpx versions >= 0.18. ([#1748](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1748))
+
 ## Version 1.18.0/0.39b0 (2023-05-10)
 
 - `opentelemetry-instrumentation-system-metrics` Add `process.` prefix to `runtime.memory`, `runtime.cpu.time`, and `runtime.gc_count`. Change `runtime.memory` from count to UpDownCounter. ([#1735](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1735))

instrumentation/opentelemetry-instrumentation-httpx/pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
 
 [project.optional-dependencies]
 instruments = [
-  "httpx >= 0.18.0, <= 0.23.0",
+  "httpx >= 0.18.0",
 ]
 test = [
   "opentelemetry-instrumentation-httpx[instruments]",

instrumentation/opentelemetry-instrumentation-httpx/tests/test_httpx_integration.py

@@ -59,7 +59,7 @@ def _async_call(coro: typing.Coroutine) -> asyncio.Task:
 def _response_hook(span, request: "RequestInfo", response: "ResponseInfo"):
     span.set_attribute(
         HTTP_RESPONSE_BODY,
-        response[2].read(),
+        b"".join(response[2]),
     )
 
 
@@ -68,7 +68,7 @@ async def _async_response_hook(
 ):
     span.set_attribute(
         HTTP_RESPONSE_BODY,
-        await response[2].aread(),
+        b"".join([part async for part in response[2]]),
     )
 
 

opentelemetry-instrumentation/src/opentelemetry/instrumentation/bootstrap_gen.py

@@ -81,7 +81,7 @@
         "instrumentation": "opentelemetry-instrumentation-grpc==0.40b0.dev",
     },
     "httpx": {
-        "library": "httpx >= 0.18.0, <= 0.23.0",
+        "library": "httpx >= 0.18.0",
         "instrumentation": "opentelemetry-instrumentation-httpx==0.40b0.dev",
     },
     "jinja2": {

tox.ini

@@ -277,7 +277,7 @@ deps =
   httpx18: httpx>=0.18.0,<0.19.0
   httpx18: respx~=0.17.0
   httpx21: httpx>=0.19.0
-  httpx21: respx~=0.19.0
+  httpx21: respx~=0.20.1
 
   ; FIXME: add coverage testing
   ; FIXME: add mypy testing