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Add support for initializing pipes with specific permissions

This commit is contained in:
Kristóf Tóth 2019-05-04 21:06:00 +02:00
parent aa7eea6242
commit 9ccb05a709
2 changed files with 9 additions and 11 deletions
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10
pipe_io_server/pipe.py
View File

@ -1,4 +1,4 @@
from os import mkfifo, remove from os import mkfifo, remove, chmod
from os.path import exists from os.path import exists
@ -6,13 +6,11 @@ class Pipe:
def __init__(self, path): def __init__(self, path):
self.path = path self.path = path
def recreate(self): def recreate(self, permissions):
self.remove() self.remove()
self.create() mkfifo(self.path)
chmod(self.path, permissions)
def remove(self): def remove(self):
if exists(self.path): if exists(self.path):
remove(self.path) remove(self.path)
def create(self):
mkfifo(self.path)

10
pipe_io_server/pipe_io_server.py
View File

@ -8,17 +8,17 @@ from .terminate_process_on_failure import terminate_process_on_failure
class PipeIOServer(ABC, Thread): class PipeIOServer(ABC, Thread):
def __init__(self, in_pipe=None, out_pipe=None): def __init__(self, in_pipe=None, out_pipe=None, permissions=0o700):
super().__init__() super().__init__()
self._in_pipe, self._out_pipe = in_pipe, out_pipe self._in_pipe, self._out_pipe = in_pipe, out_pipe
self._create_pipes() self._create_pipes(permissions)
self._stop_event = Event() self._stop_event = Event()
self._reader_thread, self._writer_thread = self._create_io_threads() self._reader_thread, self._writer_thread = self._create_io_threads()
self._io_threads = (self._reader_thread, self._writer_thread) self._io_threads = (self._reader_thread, self._writer_thread)
def _create_pipes(self): def _create_pipes(self, permissions):
Pipe(self.in_pipe).recreate() Pipe(self.in_pipe).recreate(permissions)
Pipe(self.out_pipe).recreate() Pipe(self.out_pipe).recreate(permissions)
@property @property
def in_pipe(self): def in_pipe(self):