Gecko [ oric.aiou.edu.pk ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	1.2 KB	-rw-r--r--
__main__.py	3.26 KB	-rw-r--r--
base_events.py	70.92 KB	-rw-r--r--
base_futures.py	2.51 KB	-rw-r--r--
base_subprocess.py	8.64 KB	-rw-r--r--
base_tasks.py	2.41 KB	-rw-r--r--
constants.py	888 B	-rw-r--r--
coroutines.py	8.59 KB	-rw-r--r--
events.py	25.55 KB	-rw-r--r--
exceptions.py	1.59 KB	-rw-r--r--
format_helpers.py	2.35 KB	-rw-r--r--
futures.py	12.85 KB	-rw-r--r--
locks.py	16.87 KB	-rw-r--r--
log.py	124 B	-rw-r--r--
proactor_events.py	31.31 KB	-rw-r--r--
protocols.py	6.97 KB	-rw-r--r--
queues.py	8.03 KB	-rw-r--r--
runners.py	2.01 KB	-rw-r--r--
selector_events.py	38.08 KB	-rw-r--r--
sslproto.py	26.57 KB	-rw-r--r--
staggered.py	5.85 KB	-rw-r--r--
streams.py	26.03 KB	-rw-r--r--
subprocess.py	7.88 KB	-rw-r--r--
tasks.py	33.13 KB	-rw-r--r--
transports.py	10.24 KB	-rw-r--r--
trsock.py	5.74 KB	-rw-r--r--
unix_events.py	47.96 KB	-rw-r--r--
windows_events.py	32.1 KB	-rw-r--r--
windows_utils.py	4.94 KB	-rw-r--r--

Code Editor : base_futures.py

__all__ = ()

import reprlib
from _thread import get_ident

from . import format_helpers

# States for Future.
_PENDING = 'PENDING'
_CANCELLED = 'CANCELLED'
_FINISHED = 'FINISHED'

def isfuture(obj):
    """Check for a Future.

This returns True when obj is a Future instance or is advertising
    itself as duck-type compatible by setting _asyncio_future_blocking.
    See comment in Future for more details.
    """
    return (hasattr(obj.__class__, '_asyncio_future_blocking') and
            obj._asyncio_future_blocking is not None)

def _format_callbacks(cb):
    """helper function for Future.__repr__"""
    size = len(cb)
    if not size:
        cb = ''

def format_cb(callback):
        return format_helpers._format_callback_source(callback, ())

if size == 1:
        cb = format_cb(cb[0][0])
    elif size == 2:
        cb = '{}, {}'.format(format_cb(cb[0][0]), format_cb(cb[1][0]))
    elif size > 2:
        cb = '{}, <{} more>, {}'.format(format_cb(cb[0][0]),
                                        size - 2,
                                        format_cb(cb[-1][0]))
    return f'cb=[{cb}]'

# bpo-42183: _repr_running is needed for repr protection
# when a Future or Task result contains itself directly or indirectly.
# The logic is borrowed from @reprlib.recursive_repr decorator.
# Unfortunately, the direct decorator usage is impossible because of
# AttributeError: '_asyncio.Task' object has no attribute '__module__' error.
#
# After fixing this thing we can return to the decorator based approach.
_repr_running = set()

def _future_repr_info(future):
    # (Future) -> str
    """helper function for Future.__repr__"""
    info = [future._state.lower()]
    if future._state == _FINISHED:
        if future._exception is not None:
            info.append(f'exception={future._exception!r}')
        else:
            key = id(future), get_ident()
            if key in _repr_running:
                result = '...'
            else:
                _repr_running.add(key)
                try:
                    # use reprlib to limit the length of the output, especially
                    # for very long strings
                    result = reprlib.repr(future._result)
                finally:
                    _repr_running.discard(key)
            info.append(f'result={result}')
    if future._callbacks:
        info.append(_format_callbacks(future._callbacks))
    if future._source_traceback:
        frame = future._source_traceback[-1]
        info.append(f'created at {frame[0]}:{frame[1]}')
    return info

${this.title}

Code Editor : base_futures.py