add python version check

Author: allen-k1m

Diff for: instrumentation/opentelemetry-instrumentation-asyncio/pyproject.toml

@@ -36,6 +36,7 @@ test = [
   "opentelemetry-test-utils == 0.41b0.dev",
   "pytest",
   "wrapt >= 1.0.0, < 2.0.0",
+  "pytest-asyncio",
 ]
 
 [project.entry-points.opentelemetry_instrumentor]

Diff for: instrumentation/opentelemetry-instrumentation-asyncio/src/opentelemetry/instrumentation/asyncio/__init__.py

@@ -132,6 +132,10 @@ def uninstrument_gather(self):
         unwrap(asyncio, "gather")
 
     def instrument_to_thread(self):
+        # to_thread was added in Python 3.9
+        if sys.version_info < (3, 9):
+            return
+
         def wrap_to_thread(method, instance, args, kwargs):
             if args:
                 first_arg = args[0]
@@ -144,22 +148,30 @@ def wrap_to_thread(method, instance, args, kwargs):
         _wrap(asyncio, "to_thread", wrap_to_thread)
 
     def uninstrument_to_thread(self):
+        # to_thread was added in Python 3.9
+        if sys.version_info < (3, 9):
+            return
         unwrap(asyncio, "to_thread")
 
     def instrument_taskgroup_create_task(self):
-        if sys.version_info >= (3, 11):
-            def wrap_taskgroup_create_task(method, instance, args, kwargs):
-                if args:
-                    coro = args[0]
-                    wrapped_coro = self.trace_coroutine(coro)
-                    wrapped_args = (wrapped_coro,) + args[1:]
-                    return method(*wrapped_args, **kwargs)
+        # TaskGroup.create_task was added in Python 3.11
+        if sys.version_info < (3, 11):
+            return
+
+        def wrap_taskgroup_create_task(method, instance, args, kwargs):
+            if args:
+                coro = args[0]
+                wrapped_coro = self.trace_coroutine(coro)
+                wrapped_args = (wrapped_coro,) + args[1:]
+                return method(*wrapped_args, **kwargs)
 
-            _wrap(asyncio.TaskGroup, "create_task", wrap_taskgroup_create_task)
+        _wrap(asyncio.TaskGroup, "create_task", wrap_taskgroup_create_task)
 
     def uninstrument_taskgroup_create_task(self):
-        if sys.version_info >= (3, 11):
-            unwrap(asyncio.TaskGroup, "create_task")
+        # TaskGroup.create_task was added in Python 3.11
+        if sys.version_info < (3, 11):
+            return
+        unwrap(asyncio.TaskGroup, "create_task")
 
     def trace_func(self, func):
         """Trace a function."""

Diff for: instrumentation/opentelemetry-instrumentation-asyncio/tests/test_asyncio_taskgroup.py

@@ -38,6 +38,7 @@ def tearDown(self):
         AsyncioInstrumentor().uninstrument()
 
     def test_task_group_create_task(self):
+        # TaskGroup is only available in Python 3.11+
         async def main():
             if py11:
                 async with asyncio.TaskGroup() as tg:
@@ -46,6 +47,5 @@ async def main():
 
         asyncio.run(main())
         spans = self.memory_exporter.get_finished_spans()
-        assert spans
         if py11:
             self.assertEqual(len(spans), 10)

Diff for: instrumentation/opentelemetry-instrumentation-asyncio/tests/test_asyncio_to_thread.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import asyncio
+import sys
 
 from opentelemetry.test.test_base import TestBase
 from opentelemetry.trace import get_tracer
@@ -32,6 +33,7 @@ def tearDown(self):
         AsyncioInstrumentor().uninstrument()
 
     def test_to_thread(self):
+        # to_thread is only available in Python 3.9+
         def multiply(x, y):
             return x * y
 
@@ -41,5 +43,6 @@ async def to_thread():
 
         asyncio.run(to_thread())
         spans = self.memory_exporter.get_finished_spans()
-        self.assertEqual(len(spans), 1)
-        assert spans[0].name == "asyncio.to_thread_func-multiply"
+        if sys.version_info >= (3, 9):
+            self.assertEqual(len(spans), 1)
+            assert spans[0].name == "asyncio.to_thread_func-multiply"