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-rw-r--r--paramiko/pipe.py31
1 files changed, 16 insertions, 15 deletions
diff --git a/paramiko/pipe.py b/paramiko/pipe.py
index db43d54..b0cfcf2 100644
--- a/paramiko/pipe.py
+++ b/paramiko/pipe.py
@@ -17,11 +17,12 @@
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
"""
-Abstraction of a one-way pipe where the read end can be used in select().
-Normally this is trivial, but Windows makes it nearly impossible.
+Abstraction of a one-way pipe where the read end can be used in
+`select.select`. Normally this is trivial, but Windows makes it nearly
+impossible.
The pipe acts like an Event, which can be set or cleared. When set, the pipe
-will trigger as readable in select().
+will trigger as readable in `select <select.select>`.
"""
import sys
@@ -29,7 +30,7 @@ import os
import socket
-def make_pipe ():
+def make_pipe():
if sys.platform[:3] != 'win':
p = PosixPipe()
else:
@@ -38,34 +39,34 @@ def make_pipe ():
class PosixPipe (object):
- def __init__ (self):
+ def __init__(self):
self._rfd, self._wfd = os.pipe()
self._set = False
self._forever = False
self._closed = False
- def close (self):
+ def close(self):
os.close(self._rfd)
os.close(self._wfd)
# used for unit tests:
self._closed = True
- def fileno (self):
+ def fileno(self):
return self._rfd
- def clear (self):
+ def clear(self):
if not self._set or self._forever:
return
os.read(self._rfd, 1)
self._set = False
- def set (self):
+ def set(self):
if self._set or self._closed:
return
self._set = True
- os.write(self._wfd, '*')
+ os.write(self._wfd, b'*')
- def set_forever (self):
+ def set_forever(self):
self._forever = True
self.set()
@@ -75,7 +76,7 @@ class WindowsPipe (object):
On Windows, only an OS-level "WinSock" may be used in select(), but reads
and writes must be to the actual socket object.
"""
- def __init__ (self):
+ def __init__(self):
serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
serv.bind(('127.0.0.1', 0))
serv.listen(1)
@@ -90,13 +91,13 @@ class WindowsPipe (object):
self._forever = False
self._closed = False
- def close (self):
+ def close(self):
self._rsock.close()
self._wsock.close()
# used for unit tests:
self._closed = True
- def fileno (self):
+ def fileno(self):
return self._rsock.fileno()
def clear (self):
@@ -109,7 +110,7 @@ class WindowsPipe (object):
if self._set or self._closed:
return
self._set = True
- self._wsock.send('*')
+ self._wsock.send(b'*')
def set_forever (self):
self._forever = True