File Contents: //lib/python3.6/site-packages/OpenSSL/tsafe.py

import warnings
from threading import RLock as _RLock

from OpenSSL import SSL as _ssl

warnings.warn(
    "OpenSSL.tsafe is deprecated and will be removed",
    DeprecationWarning, stacklevel=3
)

class Connection:
    def __init__(self, *args):
        self._ssl_conn = _ssl.Connection(*args)
        self._lock = _RLock()

for f in ('get_context', 'pending', 'send', 'write', 'recv', 'read',
              'renegotiate', 'bind', 'listen', 'connect', 'accept',
              'setblocking', 'fileno', 'shutdown', 'close', 'get_cipher_list',
              'getpeername', 'getsockname', 'getsockopt', 'setsockopt',
              'makefile', 'get_app_data', 'set_app_data', 'state_string',
              'sock_shutdown', 'get_peer_certificate', 'get_peer_cert_chain',
              'want_read', 'want_write', 'set_connect_state',
              'set_accept_state', 'connect_ex', 'sendall'):
        exec("""def %s(self, *args):
            self._lock.acquire()
            try:
                return self._ssl_conn.%s(*args)
            finally:
                self._lock.release()\n""" % (f, f))

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