def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), b"It's not dead")
self.assertEqual(w.read(6), b", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
python类file_wrapper()的实例源码
def test_send(self):
d1 = b"Come again?"
d2 = b"I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
with open(TESTFN, 'rb') as file:
self.assertEqual(file.read(), self.d + d1 + d2)
def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), "It's not dead")
self.assertEqual(w.read(6), ", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = "Come again?"
d2 = "I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)
def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), "It's not dead")
self.assertEqual(w.read(6), ", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = "Come again?"
d2 = "I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)
def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), b"It's not dead")
self.assertEqual(w.read(6), b", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = b"Come again?"
d2 = b"I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
with open(TESTFN, 'rb') as file:
self.assertEqual(file.read(), self.d + d1 + d2)
def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), "It's not dead")
self.assertEqual(w.read(6), ", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = "Come again?"
d2 = "I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)
def test_recv(self):
fd = os.open(support.TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), b"It's not dead")
self.assertEqual(w.read(6), b", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = b"Come again?"
d2 = b"I want to buy some cheese."
fd = os.open(support.TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
with open(support.TESTFN, 'rb') as file:
self.assertEqual(file.read(), self.d + d1 + d2)
def test_resource_warning(self):
# Issue #11453
fd = os.open(support.TESTFN, os.O_RDONLY)
f = asyncore.file_wrapper(fd)
os.close(fd)
with support.check_warnings(('', ResourceWarning)):
f = None
support.gc_collect()
def test_close_twice(self):
fd = os.open(support.TESTFN, os.O_RDONLY)
f = asyncore.file_wrapper(fd)
os.close(fd)
f.close()
self.assertEqual(f.fd, -1)
# calling close twice should not fail
f.close()
def test_recv(self):
fd = os.open(TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), "It's not dead")
self.assertEqual(w.read(6), ", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = "Come again?"
d2 = "I want to buy some cheese."
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def init_file_dispatcher(self, fd):
"""
Kludge to plug asyncore.file_dispatcher into asynchat. Call from
subclass's __init__() method, after calling
PDUChannel.__init__(), and don't read this on a full stomach.
"""
self.connected = True
self._fileno = fd
self.socket = asyncore.file_wrapper(fd)
self.add_channel()
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
def test_recv(self):
fd = os.open(support.TESTFN, os.O_RDONLY)
w = asyncore.file_wrapper(fd)
os.close(fd)
self.assertNotEqual(w.fd, fd)
self.assertNotEqual(w.fileno(), fd)
self.assertEqual(w.recv(13), b"It's not dead")
self.assertEqual(w.read(6), b", it's")
w.close()
self.assertRaises(OSError, w.read, 1)
def test_send(self):
d1 = b"Come again?"
d2 = b"I want to buy some cheese."
fd = os.open(support.TESTFN, os.O_WRONLY | os.O_APPEND)
w = asyncore.file_wrapper(fd)
os.close(fd)
w.write(d1)
w.send(d2)
w.close()
with open(support.TESTFN, 'rb') as file:
self.assertEqual(file.read(), self.d + d1 + d2)
def test_resource_warning(self):
# Issue #11453
fd = os.open(support.TESTFN, os.O_RDONLY)
f = asyncore.file_wrapper(fd)
os.close(fd)
with support.check_warnings(('', ResourceWarning)):
f = None
support.gc_collect()
def test_close_twice(self):
fd = os.open(support.TESTFN, os.O_RDONLY)
f = asyncore.file_wrapper(fd)
os.close(fd)
f.close()
self.assertEqual(f.fd, -1)
# calling close twice should not fail
f.close()
