Python selectors.SelectSelector() Examples
The following are 6
code examples of selectors.SelectSelector().
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Example #1
| Source File: loop.py From kitty with GNU General Public License v3.0 | 6 votes |
|
def __init__(
self,
sanitize_bracketed_paste: str = '[\x03\x04\x0e\x0f\r\x07\x7f\x8d\x8e\x8f\x90\x9b\x9d\x9e\x9f]'
):
if is_macos:
# On macOS PTY devices are not supported by the KqueueSelector and
# the PollSelector is broken, causes 100% CPU usage
self.asycio_loop: asyncio.AbstractEventLoop = asyncio.SelectorEventLoop(selectors.SelectSelector())
asyncio.set_event_loop(self.asycio_loop)
else:
self.asycio_loop = asyncio.get_event_loop()
self.return_code = 0
self.read_buf = ''
self.decoder = codecs.getincrementaldecoder('utf-8')('ignore')
try:
self.iov_limit = max(os.sysconf('SC_IOV_MAX') - 1, 255)
except Exception:
self.iov_limit = 255
self.parse_input_from_terminal = partial(parse_input_from_terminal, self._on_text, self._on_dcs, self._on_csi, self._on_osc, self._on_pm, self._on_apc)
self.ebs_pat = re.compile('([\177\r\x03\x04])')
self.in_bracketed_paste = False
self.sanitize_bracketed_paste = bool(sanitize_bracketed_paste)
if self.sanitize_bracketed_paste:
self.sanitize_ibp_pat = re.compile(sanitize_bracketed_paste)
Example #2
| Source File: test_subprocess.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def setUp(self):
self.orig_selector = subprocess._PopenSelector
subprocess._PopenSelector = selectors.SelectSelector
ProcessTestCase.setUp(self)
Example #3
| Source File: test_subprocess.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def setUp(self):
self.orig_selector = subprocess._PopenSelector
subprocess._PopenSelector = selectors.SelectSelector
ProcessTestCase.setUp(self)
Example #4
| Source File: test_subprocess.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def setUp(self):
self.orig_selector = subprocess._PopenSelector
subprocess._PopenSelector = selectors.SelectSelector
ProcessTestCase.setUp(self)
Example #5
| Source File: test_readline.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 4 votes |
|
def run_pty(script, input=b"dummy input\r", env=None):
pty = import_module('pty')
output = bytearray()
[master, slave] = pty.openpty()
args = (sys.executable, '-c', script)
proc = subprocess.Popen(args, stdin=slave, stdout=slave, stderr=slave, env=env)
os.close(slave)
with ExitStack() as cleanup:
cleanup.enter_context(proc)
def terminate(proc):
try:
proc.terminate()
except ProcessLookupError:
# Workaround for Open/Net BSD bug (Issue 16762)
pass
cleanup.callback(terminate, proc)
cleanup.callback(os.close, master)
# Avoid using DefaultSelector and PollSelector. Kqueue() does not
# work with pseudo-terminals on OS X < 10.9 (Issue 20365) and Open
# BSD (Issue 20667). Poll() does not work with OS X 10.6 or 10.4
# either (Issue 20472). Hopefully the file descriptor is low enough
# to use with select().
sel = cleanup.enter_context(selectors.SelectSelector())
sel.register(master, selectors.EVENT_READ | selectors.EVENT_WRITE)
os.set_blocking(master, False)
while True:
for [_, events] in sel.select():
if events & selectors.EVENT_READ:
try:
chunk = os.read(master, 0x10000)
except OSError as err:
# Linux raises EIO when slave is closed (Issue 5380)
if err.errno != EIO:
raise
chunk = b""
if not chunk:
return output
output.extend(chunk)
if events & selectors.EVENT_WRITE:
try:
input = input[os.write(master, input):]
except OSError as err:
# Apparently EIO means the slave was closed
if err.errno != EIO:
raise
input = b"" # Stop writing
if not input:
sel.modify(master, selectors.EVENT_READ)
Example #6
| Source File: test_readline.py From android_universal with MIT License | 4 votes |
|
def run_pty(script, input=b"dummy input\r", env=None):
pty = import_module('pty')
output = bytearray()
[master, slave] = pty.openpty()
args = (sys.executable, '-c', script)
proc = subprocess.Popen(args, stdin=slave, stdout=slave, stderr=slave, env=env)
os.close(slave)
with ExitStack() as cleanup:
cleanup.enter_context(proc)
def terminate(proc):
try:
proc.terminate()
except ProcessLookupError:
# Workaround for Open/Net BSD bug (Issue 16762)
pass
cleanup.callback(terminate, proc)
cleanup.callback(os.close, master)
# Avoid using DefaultSelector and PollSelector. Kqueue() does not
# work with pseudo-terminals on OS X < 10.9 (Issue 20365) and Open
# BSD (Issue 20667). Poll() does not work with OS X 10.6 or 10.4
# either (Issue 20472). Hopefully the file descriptor is low enough
# to use with select().
sel = cleanup.enter_context(selectors.SelectSelector())
sel.register(master, selectors.EVENT_READ | selectors.EVENT_WRITE)
os.set_blocking(master, False)
while True:
for [_, events] in sel.select():
if events & selectors.EVENT_READ:
try:
chunk = os.read(master, 0x10000)
except OSError as err:
# Linux raises EIO when slave is closed (Issue 5380)
if err.errno != EIO:
raise
chunk = b""
if not chunk:
return output
output.extend(chunk)
if events & selectors.EVENT_WRITE:
try:
input = input[os.write(master, input):]
except OSError as err:
# Apparently EIO means the slave was closed
if err.errno != EIO:
raise
input = b"" # Stop writing
if not input:
sel.modify(master, selectors.EVENT_READ)
