bbf6d9b026
Bugfix for feeds
- removed categories related and up
- load new books now working
- category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
"""Lowest-common-denominator implementations of platform functionality."""
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from __future__ import absolute_import, division, print_function, with_statement
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import errno
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import socket
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from tornado.platform import interface
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class Waker(interface.Waker):
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"""Create an OS independent asynchronous pipe.
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For use on platforms that don't have os.pipe() (or where pipes cannot
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be passed to select()), but do have sockets. This includes Windows
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and Jython.
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"""
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def __init__(self):
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# Based on Zope select_trigger.py:
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# https://github.com/zopefoundation/Zope/blob/master/src/ZServer/medusa/thread/select_trigger.py
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self.writer = socket.socket()
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# Disable buffering -- pulling the trigger sends 1 byte,
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# and we want that sent immediately, to wake up ASAP.
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self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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count = 0
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while 1:
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count += 1
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# Bind to a local port; for efficiency, let the OS pick
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# a free port for us.
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# Unfortunately, stress tests showed that we may not
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# be able to connect to that port ("Address already in
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# use") despite that the OS picked it. This appears
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# to be a race bug in the Windows socket implementation.
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# So we loop until a connect() succeeds (almost always
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# on the first try). See the long thread at
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# http://mail.zope.org/pipermail/zope/2005-July/160433.html
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# for hideous details.
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a = socket.socket()
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a.bind(("127.0.0.1", 0))
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a.listen(1)
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connect_address = a.getsockname() # assigned (host, port) pair
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try:
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self.writer.connect(connect_address)
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break # success
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except socket.error as detail:
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if (not hasattr(errno, 'WSAEADDRINUSE') or
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detail[0] != errno.WSAEADDRINUSE):
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# "Address already in use" is the only error
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# I've seen on two WinXP Pro SP2 boxes, under
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# Pythons 2.3.5 and 2.4.1.
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raise
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# (10048, 'Address already in use')
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# assert count <= 2 # never triggered in Tim's tests
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if count >= 10: # I've never seen it go above 2
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a.close()
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self.writer.close()
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raise socket.error("Cannot bind trigger!")
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# Close `a` and try again. Note: I originally put a short
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# sleep() here, but it didn't appear to help or hurt.
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a.close()
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self.reader, addr = a.accept()
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self.reader.setblocking(0)
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self.writer.setblocking(0)
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a.close()
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self.reader_fd = self.reader.fileno()
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def fileno(self):
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return self.reader.fileno()
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def write_fileno(self):
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return self.writer.fileno()
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def wake(self):
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try:
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self.writer.send(b"x")
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except (IOError, socket.error):
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pass
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def consume(self):
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try:
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while True:
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result = self.reader.recv(1024)
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if not result:
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break
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except (IOError, socket.error):
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pass
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def close(self):
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self.reader.close()
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self.writer.close()
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