golden hour

/opt/alt/python37/lib64/python3.7/asyncio

File/Folder	Size	Actions
__init__.py	1.14 KB
__pycache__	-
base_events.py	68.19 KB
base_futures.py	2.03 KB
base_subprocess.py	8.58 KB
base_tasks.py	2.11 KB
constants.py	888 B
coroutines.py	8.41 KB
events.py	25.61 KB
format_helpers.py	2.35 KB
futures.py	12.52 KB
locks.py	15.54 KB
log.py	124 B
proactor_events.py	25.05 KB
protocols.py	6.87 KB
queues.py	7.82 KB
runners.py	1.97 KB
selector_events.py	36.79 KB
sslproto.py	26.3 KB
streams.py	24.01 KB
subprocess.py	7.08 KB
tasks.py	29.98 KB
transports.py	9.88 KB
unix_events.py	39.96 KB
windows_events.py	29.51 KB
windows_utils.py	4.95 KB

Edit: base_tasks.py

import linecache
import traceback

from . import base_futures
from . import coroutines

def _task_repr_info(task):
    info = base_futures._future_repr_info(task)

if task._must_cancel:
        # replace status
        info[0] = 'cancelling'

coro = coroutines._format_coroutine(task._coro)
    info.insert(1, f'coro=<{coro}>')

if task._fut_waiter is not None:
        info.insert(2, f'wait_for={task._fut_waiter!r}')
    return info

def _task_get_stack(task, limit):
    frames = []
    try:
        # 'async def' coroutines
        f = task._coro.cr_frame
    except AttributeError:
        f = task._coro.gi_frame
    if f is not None:
        while f is not None:
            if limit is not None:
                if limit <= 0:
                    break
                limit -= 1
            frames.append(f)
            f = f.f_back
        frames.reverse()
    elif task._exception is not None:
        tb = task._exception.__traceback__
        while tb is not None:
            if limit is not None:
                if limit <= 0:
                    break
                limit -= 1
            frames.append(tb.tb_frame)
            tb = tb.tb_next
    return frames

def _task_print_stack(task, limit, file):
    extracted_list = []
    checked = set()
    for f in task.get_stack(limit=limit):
        lineno = f.f_lineno
        co = f.f_code
        filename = co.co_filename
        name = co.co_name
        if filename not in checked:
            checked.add(filename)
            linecache.checkcache(filename)
        line = linecache.getline(filename, lineno, f.f_globals)
        extracted_list.append((filename, lineno, name, line))

exc = task._exception
    if not extracted_list:
        print(f'No stack for {task!r}', file=file)
    elif exc is not None:
        print(f'Traceback for {task!r} (most recent call last):', file=file)
    else:
        print(f'Stack for {task!r} (most recent call last):', file=file)

traceback.print_list(extracted_list, file=file)
    if exc is not None:
        for line in traceback.format_exception_only(exc.__class__, exc):
            print(line, file=file, end='')