143 channel usable. But none of the part read from an abort are processed. In the

   143 channel usable. But none of the part read from an abort are processed. In the

   144 future, dropping the stream may become an option for channel we do not care to

   144 future, dropping the stream may become an option for channel we do not care to

   145 preserve.

   145 preserve.

   146 """

   146 """

   147 

   147 

   149 

   148 

   150 import collections

   149 import collections

   151 import errno

   150 import errno

   152 import os

   151 import os

   153 import re

   152 import re