(self, b)
Read up to len(b) bytes into the writable buffer *b* and return
        the number of bytes read.  If the socket is non-blocking and no bytes
        are available, None is returned.

        If *b* is non-empty, a 0 return value indicates that the connection
        was shutdown at the other end.
Read up to len(b) bytes into the writable buffer *b* and return
        the number of bytes read.  If the socket is non-blocking and no bytes
        are available, None is returned.
Read up to len ( b ) bytes into the writable buffer * b * and return the number of bytes read . If the socket is non - blocking and no bytes are available None is returned .
def readinto(self, b):
        """Read up to len(b) bytes into the writable buffer *b* and return
        the number of bytes read.  If the socket is non-blocking and no bytes
        are available, None is returned.

        If *b* is non-empty, a 0 return value indicates that the connection
        was shutdown at the other end.
        """
        self._checkClosed()
        self._checkReadable()
        if self._timeout_occurred:
            raise OSError("cannot read from timed out object")
        while True:
            try:
                return self._sock.recv_into(b)
            except timeout:
                self._timeout_occurred = True
                raise
            except error as e:
                if e.errno in _blocking_errnos:
                    return None
                raise
def readinto ( self , b ) : self . _checkClosed ( ) self . _checkReadable ( ) if self . _timeout_occurred : raise OSError ( "cannot read from timed out object" ) while True : try : return self . _sock . recv_into ( b ) except timeout : self . _timeout_occurred = True raise except error as e : if e . errno in _blocking_errnos : return None raise