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//lib/python3.6/site-packages/pip/_vendor/urllib3/util/wait.py

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from .selectors import (
    HAS_SELECT,
    DefaultSelector,
    EVENT_READ,
    EVENT_WRITE
)

def _wait_for_io_events(socks, events, timeout=None):
    """ Waits for IO events to be available from a list of sockets
    or optionally a single socket if passed in. Returns a list of
    sockets that can be interacted with immediately. """
    if not HAS_SELECT:
        raise ValueError('Platform does not have a selector')
    if not isinstance(socks, list):
        # Probably just a single socket.
        if hasattr(socks, "fileno"):
            socks = [socks]
        # Otherwise it might be a non-list iterable.
        else:
            socks = list(socks)
    with DefaultSelector() as selector:
        for sock in socks:
            selector.register(sock, events)
        return [key[0].fileobj for key in
                selector.select(timeout) if key[1] & events]

def wait_for_read(socks, timeout=None):
    """ Waits for reading to be available from a list of sockets
    or optionally a single socket if passed in. Returns a list of
    sockets that can be read from immediately. """
    return _wait_for_io_events(socks, EVENT_READ, timeout)

def wait_for_write(socks, timeout=None):
    """ Waits for writing to be available from a list of sockets
    or optionally a single socket if passed in. Returns a list of
    sockets that can be written to immediately. """
    return _wait_for_io_events(socks, EVENT_WRITE, timeout)

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2024-06-15 07:05:44	Edit Download recursive recursive
connection.py	4.14 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
request.py	3.62 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
response.py	2.29 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
retry.py	14.75 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
selectors.py	20.65 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
ssl_.py	11.93 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
timeout.py	9.53 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
url.py	6.64 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
wait.py	1.42 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive
__init__.py	1.02 KB	lrw-r--r--	2024-04-06 13:40:45	Edit Download recursive recursive

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