feat(asyncio): Allow to turn task spans off (#5367)

### Description
Allow to turn off task spans in asyncio integration

#### Issues
Closes #5366

#### Reminders
- Please add tests to validate your changes, and lint your code using
`tox -e linters`.
- Add GH Issue ID _&_ Linear ID (if applicable)
- PR title should use [conventional
commit](https://develop.sentry.dev/engineering-practices/commit-messages/#type)
style (`feat:`, `fix:`, `ref:`, `meta:`)
- For external contributors:
[CONTRIBUTING.md](https://github.com/getsentry/sentry-python/blob/master/CONTRIBUTING.md),
[Sentry SDK development docs](https://develop.sentry.dev/sdk/), [Discord
community](https://discord.gg/Ww9hbqr)

Author: sentrivana

sentry_sdk/integrations/asyncio.py

@@ -4,6 +4,7 @@
 import sentry_sdk
 from sentry_sdk.consts import OP
 from sentry_sdk.integrations import Integration, DidNotEnable
+from sentry_sdk.integrations._wsgi_common import nullcontext
 from sentry_sdk.utils import event_from_exception, logger, reraise
 
 try:
@@ -60,11 +61,20 @@ def _sentry_task_factory(
             async def _task_with_sentry_span_creation() -> "Any":
                 result = None
 
+                integration = sentry_sdk.get_client().get_integration(
+                    AsyncioIntegration
+                )
+                task_spans = integration.task_spans if integration else False
+
                 with sentry_sdk.isolation_scope():
-                    with sentry_sdk.start_span(
-                        op=OP.FUNCTION,
-                        name=get_name(coro),
-                        origin=AsyncioIntegration.origin,
+                    with (
+                        sentry_sdk.start_span(
+                            op=OP.FUNCTION,
+                            name=get_name(coro),
+                            origin=AsyncioIntegration.origin,
+                        )
+                        if task_spans
+                        else nullcontext()
                     ):
                         try:
                             result = await coro
@@ -140,6 +150,9 @@ class AsyncioIntegration(Integration):
     identifier = "asyncio"
     origin = f"auto.function.{identifier}"
 
+    def __init__(self, task_spans: bool = True) -> None:
+        self.task_spans = task_spans
+
     @staticmethod
     def setup_once() -> None:
         patch_asyncio()

tests/integrations/asyncio/test_asyncio.py

@@ -395,6 +395,67 @@ async def test_span_origin(
     assert event["spans"][0]["origin"] == "auto.function.asyncio"
 
 
+@minimum_python_38
+@pytest.mark.asyncio
+async def test_task_spans_false(
+    sentry_init,
+    capture_events,
+    uninstall_integration,
+):
+    uninstall_integration("asyncio")
+
+    sentry_init(
+        traces_sample_rate=1.0,
+        integrations=[
+            AsyncioIntegration(task_spans=False),
+        ],
+    )
+
+    events = capture_events()
+
+    with sentry_sdk.start_transaction(name="test_no_spans"):
+        tasks = [asyncio.create_task(foo()), asyncio.create_task(bar())]
+        await asyncio.wait(tasks, return_when=asyncio.FIRST_EXCEPTION)
+
+    sentry_sdk.flush()
+
+    (transaction_event,) = events
+
+    assert not transaction_event["spans"]
+
+
+@minimum_python_38
+@pytest.mark.asyncio
+async def test_enable_asyncio_integration_with_task_spans_false(
+    sentry_init,
+    capture_events,
+    uninstall_integration,
+):
+    """
+    Test that enable_asyncio_integration() helper works with task_spans=False.
+    """
+    uninstall_integration("asyncio")
+
+    sentry_init(traces_sample_rate=1.0)
+
+    assert "asyncio" not in sentry_sdk.get_client().integrations
+
+    enable_asyncio_integration(task_spans=False)
+
+    assert "asyncio" in sentry_sdk.get_client().integrations
+    assert sentry_sdk.get_client().integrations["asyncio"].task_spans is False
+
+    events = capture_events()
+
+    with sentry_sdk.start_transaction(name="test"):
+        await asyncio.create_task(foo())
+
+    sentry_sdk.flush()
+
+    (transaction,) = events
+    assert not transaction["spans"]
+
+
 @minimum_python_38
 @pytest.mark.asyncio
 async def test_delayed_enable_integration(sentry_init, capture_events):