Remove task group names (for now)

We're not sure that they are needed, and once in the code we would never be able to get rid of them. Yury wrote: > Ideally, there should be a way for someone to build a "trace" > of taskgroups/task leading to the current running task. > We could do that using contextvars, but I'm not sure we should > do that in 3.11.
python · gvanrossum · Feb 18, 2022 · Feb 17, 2022 · Feb 17, 2022 · Feb 17, 2022
commit 32468ef98e0e8c9e83fe9d738571b886774d5c43
@@ -15,12 +15,7 @@

 class TaskGroup:

-    def __init__(self, *, name=None):
-        if name is None:
-            self._name = f'tg-{_name_counter()}'
-        else:
-            self._name = str(name)
-
+    def __init__(self):
        self._entered = False
        self._exiting = False
        self._aborting = False
@@ -33,11 +28,8 @@ def __init__(self, *, name=None):
        self._base_error = None
        self._on_completed_fut = None

-    def get_name(self):
-        return self._name
-
    def __repr__(self):
-        msg = f'<TaskGroup {self._name!r}'
+        msg = f'<TaskGroup'
        if self._tasks:
            msg += f' tasks:{len(self._tasks)}'
        if self._unfinished_tasks:

@@ -368,10 +368,10 @@ async def crash_after(t):
            raise ValueError(t)

        async def runner():
-            async with taskgroups.TaskGroup(name='g1') as g1:
+            async with taskgroups.TaskGroup() as g1:
                g1.create_task(crash_after(0.1))

-                async with taskgroups.TaskGroup(name='g2') as g2:
+                async with taskgroups.TaskGroup() as g2:
                    g2.create_task(crash_after(0.2))

        r = asyncio.create_task(runner())
@@ -387,10 +387,10 @@ async def crash_after(t):
            raise ValueError(t)

        async def runner():
-            async with taskgroups.TaskGroup(name='g1') as g1:
+            async with taskgroups.TaskGroup() as g1:
                g1.create_task(crash_after(10))

-                async with taskgroups.TaskGroup(name='g2') as g2:
+                async with taskgroups.TaskGroup() as g2:
                    g2.create_task(crash_after(0.1))

        r = asyncio.create_task(runner())
@@ -407,7 +407,7 @@ async def crash_soon():
            1 / 0

        async def runner():
-            async with taskgroups.TaskGroup(name='g1') as g1:
+            async with taskgroups.TaskGroup() as g1:
                g1.create_task(crash_soon())
                try:
                    await asyncio.sleep(10)
@@ -430,7 +430,7 @@ async def crash_soon():
            1 / 0

        async def nested_runner():
-            async with taskgroups.TaskGroup(name='g1') as g1:
+            async with taskgroups.TaskGroup() as g1:
                g1.create_task(crash_soon())
                try:
                    await asyncio.sleep(10)