Ticket #203 (new defect)

Opened 4 years ago

Last modified 11 months ago

reading yaml from socket may block in determine_encoding()

Reported by: socketpair@… Owned by: xi
Priority: normal Component: pyyaml
Severity: major Keywords:
Cc:

Description

The problem here:

reader.py:

determine_encoding():

  1. call self.update_raw() until receive needed length. Suppose it receives all data from the kernel buffer, i.e. in my case - full document (--- xxxxxxxx\n...\n) self.eof will not be set
  2. call update(1) which have the code: if not self.eof:

self.update_raw()

as the self.eof is False (we never receive empty string) we will hang for any (uneeded here) data.

############################### How to fix: just remove


if not self.eof:

self.update_raw()


Attachments

z.patch Download (381 bytes) - added by socketpair@… 4 years ago.
solution for the problem

Change History

comment:1 Changed 4 years ago by anonymous

for files - is not sensible, because reading plain file never block.

Changed 4 years ago by socketpair@…

solution for the problem

comment:2 Changed 4 years ago by anonymous

sorry, first solution was completely wrong. I have the tested patch. (attached)

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