title: Python socket with PACKET_MMAP
body: <p>Is there a PACKET_MMAP or similar flag for python sockets? I know in C one can use a zero-copy/circular buffer with the previous mention flag to avoid having to copy buffers from kernel space to user space but I cannot find anything similar in the python documentation.</p>
  
  <p>Thanks for any input on docs or code to look into.</p>