def _read_into_memoryview()

in awscrt/io.py [0:0]

• 15 lines of code
• 7 McCabe index (conditional complexity)

    def _read_into_memoryview(self, m):
        # Read into memoryview m.
        # Return number of bytes read, or None if no data available.
        try:
            # prefer the most efficient read methods,
            if hasattr(self._stream, 'readinto1'):
                return self._stream.readinto1(m)
            if hasattr(self._stream, 'readinto'):
                return self._stream.readinto(m)

            if hasattr(self._stream, 'read1'):
                data = self._stream.read1(len(m))
            else:
                data = self._stream.read(len(m))
            n = len(data)
            m[:n] = data
            return n
        except BlockingIOError:
            return None