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EDITING: coroutines.py

__all__ = 'iscoroutinefunction', 'iscoroutine'

import collections.abc
import inspect
import os
import sys
import types

def _is_debug_mode():
    # See: https://docs.python.org/3/library/asyncio-dev.html#asyncio-debug-mode.
    return sys.flags.dev_mode or (not sys.flags.ignore_environment and
                                  bool(os.environ.get('PYTHONASYNCIODEBUG')))

# A marker for iscoroutinefunction.
_is_coroutine = object()

def iscoroutinefunction(func):
    """Return True if func is a decorated coroutine function."""
    return (inspect.iscoroutinefunction(func) or
            getattr(func, '_is_coroutine', None) is _is_coroutine)

# Prioritize native coroutine check to speed-up
# asyncio.iscoroutine.
_COROUTINE_TYPES = (types.CoroutineType, collections.abc.Coroutine)
_iscoroutine_typecache = set()

def iscoroutine(obj):
    """Return True if obj is a coroutine object."""
    if type(obj) in _iscoroutine_typecache:
        return True

if isinstance(obj, _COROUTINE_TYPES):
        # Just in case we don't want to cache more than 100
        # positive types.  That shouldn't ever happen, unless
        # someone stressing the system on purpose.
        if len(_iscoroutine_typecache) < 100:
            _iscoroutine_typecache.add(type(obj))
        return True
    else:
        return False

def _format_coroutine(coro):
    assert iscoroutine(coro)

def get_name(coro):
        # Coroutines compiled with Cython sometimes don't have
        # proper __qualname__ or __name__.  While that is a bug
        # in Cython, asyncio shouldn't crash with an AttributeError
        # in its __repr__ functions.
        if hasattr(coro, '__qualname__') and coro.__qualname__:
            coro_name = coro.__qualname__
        elif hasattr(coro, '__name__') and coro.__name__:
            coro_name = coro.__name__
        else:
            # Stop masking Cython bugs, expose them in a friendly way.
            coro_name = f'<{type(coro).__name__} without __name__>'
        return f'{coro_name}()'

def is_running(coro):
        try:
            return coro.cr_running
        except AttributeError:
            try:
                return coro.gi_running
            except AttributeError:
                return False

coro_code = None
    if hasattr(coro, 'cr_code') and coro.cr_code:
        coro_code = coro.cr_code
    elif hasattr(coro, 'gi_code') and coro.gi_code:
        coro_code = coro.gi_code

coro_name = get_name(coro)

if not coro_code:
        # Built-in types might not have __qualname__ or __name__.
        if is_running(coro):
            return f'{coro_name} running'
        else:
            return coro_name

coro_frame = None
    if hasattr(coro, 'gi_frame') and coro.gi_frame:
        coro_frame = coro.gi_frame
    elif hasattr(coro, 'cr_frame') and coro.cr_frame:
        coro_frame = coro.cr_frame

# If Cython's coroutine has a fake code object without proper
    # co_filename -- expose that.
    filename = coro_code.co_filename or '<empty co_filename>'

lineno = 0

if coro_frame is not None:
        lineno = coro_frame.f_lineno
        coro_repr = f'{coro_name} running at {filename}:{lineno}'

else:
        lineno = coro_code.co_firstlineno
        coro_repr = f'{coro_name} done, defined at {filename}:{lineno}'

return coro_repr

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 __pycache__/	DIR	—	2026-10-27 22:58
📄 __init__.py	PY	1.2 KB	2026-10-26 13:19	EDIT
📄 __main__.py	PY	6.4 KB	2026-10-26 13:19	EDIT
📄 base_events.py	PY	79.4 KB	2026-10-26 13:19	EDIT
📄 base_futures.py	PY	1.9 KB	2026-10-26 13:19	EDIT
📄 base_subprocess.py	PY	9.5 KB	2026-10-26 13:19	EDIT
📄 base_tasks.py	PY	2.6 KB	2026-10-26 13:19	EDIT
📄 constants.py	PY	1.4 KB	2026-10-26 13:19	EDIT
📄 coroutines.py	PY	3.3 KB	2026-10-26 13:19	EDIT
📄 events.py	PY	29.1 KB	2026-10-26 13:19	EDIT
📄 exceptions.py	PY	1.7 KB	2026-10-26 13:19	EDIT
📄 format_helpers.py	PY	2.7 KB	2026-10-26 13:19	EDIT
📄 futures.py	PY	13.9 KB	2026-10-26 13:19	EDIT
📄 locks.py	PY	20.1 KB	2026-10-26 13:19	EDIT
📄 log.py	PY	124 B	2026-10-26 13:19	EDIT
📄 mixins.py	PY	481 B	2026-10-26 13:19	EDIT
📄 proactor_events.py	PY	34.4 KB	2026-10-26 13:19	EDIT
📄 protocols.py	PY	6.8 KB	2026-10-26 13:19	EDIT
📄 queues.py	PY	9.9 KB	2026-10-26 13:19	EDIT
📄 runners.py	PY	7.1 KB	2026-10-26 13:19	EDIT
📄 selector_events.py	PY	47.4 KB	2026-10-26 13:19	EDIT
📄 sslproto.py	PY	31.1 KB	2026-10-26 13:19	EDIT
📄 staggered.py	PY	6.9 KB	2026-10-26 13:19	EDIT
📄 streams.py	PY	27.8 KB	2026-10-26 13:19	EDIT
📄 subprocess.py	PY	7.6 KB	2026-10-26 13:19	EDIT
📄 taskgroups.py	PY	9.8 KB	2026-10-26 13:19	EDIT
📄 tasks.py	PY	39.2 KB	2026-10-26 13:19	EDIT
📄 threads.py	PY	794 B	2026-10-26 13:19	EDIT
📄 timeouts.py	PY	5.9 KB	2026-10-26 13:19	EDIT
📄 transports.py	PY	10.6 KB	2026-10-26 13:19	EDIT
📄 trsock.py	PY	2.4 KB	2026-10-26 13:19	EDIT
📄 unix_events.py	PY	53.9 KB	2026-10-26 13:19	EDIT
📄 windows_events.py	PY	32 KB	2026-10-26 13:19	EDIT
📄 windows_utils.py	PY	5.3 KB	2026-10-26 13:19	EDIT