[Python-checkins] bpo-46752: Uniform TaskGroup.__repr__ (GH-31409)

[asvetlov]

https://github.com/python/cpython/commit/e7130c2e8c6abfaf04b209bd5b239059eda024b9
commit: e7130c2e8c6abfaf04b209bd5b239059eda024b9
branch: main
author: Andrew Svetlov <andrew.svetlov at gmail.com>
committer: asvetlov <andrew.svetlov at gmail.com>
date: 2022-02-20T12:07:00+02:00
summary:

bpo-46752: Uniform TaskGroup.__repr__ (GH-31409)

files:
M Lib/asyncio/taskgroups.py

diff --git a/Lib/asyncio/taskgroups.py b/Lib/asyncio/taskgroups.py
index 57b0eafefc16f..756fc551e013d 100644
--- a/Lib/asyncio/taskgroups.py
+++ b/Lib/asyncio/taskgroups.py
@@ -9,6 +9,7 @@
 from . import exceptions
 from . import tasks
 
+
 class TaskGroup:
 
     def __init__(self):
@@ -25,19 +26,20 @@ def __init__(self):
         self._on_completed_fut = None
 
     def __repr__(self):
-        msg = f'<TaskGroup'
+        info = ['']
         if self._tasks:
-            msg += f' tasks:{len(self._tasks)}'
+            info.append(f'tasks={len(self._tasks)}')
         if self._unfinished_tasks:
-            msg += f' unfinished:{self._unfinished_tasks}'
+            info.append(f'unfinished={self._unfinished_tasks}')
         if self._errors:
-            msg += f' errors:{len(self._errors)}'
+            info.append(f'errors={len(self._errors)}')
         if self._aborting:
-            msg += ' cancelling'
+            info.append('cancelling')
         elif self._entered:
-            msg += ' entered'
-        msg += '>'
-        return msg
+            info.append('entered')
+
+        info_str = ' '.join(info)
+        return f'<TaskGroup{info_str}>'
 
     async def __aenter__(self):
         if self._entered: