def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
timeout = Timeout(timeout)
try:
p = poll() # from lib.compat, it may be a select object on non-Unix platforms
p.register(self.fileno(), "r")
while True:
try:
rl = p.poll(timeout.timeleft())
except select_error:
ex = sys.exc_info()[1]
if ex.args[0] == errno.EINTR:
continue
else:
raise
else:
break
except ValueError:
# if the underlying call is a select(), then the following errors may happen:
# - "ValueError: filedescriptor cannot be a negative integer (-1)"
# - "ValueError: filedescriptor out of range in select()"
# let's translate them to select.error
ex = sys.exc_info()[1]
raise select_error(str(ex))
return bool(rl)
def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
timeout = Timeout(timeout)
try:
p = poll() # from lib.compat, it may be a select object on non-Unix platforms
p.register(self.fileno(), "r")
while True:
try:
rl = p.poll(timeout.timeleft())
except select_error:
ex = sys.exc_info()[1]
if ex.args[0] == errno.EINTR:
continue
else:
raise
else:
break
except ValueError:
# if the underlying call is a select(), then the following errors may happen:
# - "ValueError: filedescriptor cannot be a negative integer (-1)"
# - "ValueError: filedescriptor out of range in select()"
# let's translate them to select.error
ex = sys.exc_info()[1]
raise select_error(str(ex))
return bool(rl)
def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
try:
rl, _, _ = select([self], [], [], timeout)
except ValueError:
# i got this once: "ValueError: file descriptor cannot be a negative integer (-1)"
# let's translate it to select.error
ex = sys.exc_info()[1]
raise select_error(str(ex))
return bool(rl)
def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
try:
rl, _, _ = select([self], [], [], timeout)
except ValueError:
# i get this some times: "ValueError: file descriptor cannot be a negative integer (-1)"
# let's translate it to select.error
ex = sys.exc_info()[1]
raise select_error(str(ex))
return bool(rl)
def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
try:
while True:
try:
rl, _, _ = select([self], [], [], timeout)
except select_error as ex:
if ex[0] == errno.EINTR:
continue
else:
raise
else:
break
except ValueError as ex:
# i get this some times: "ValueError: file descriptor cannot be a negative integer (-1)"
# let's translate it to select.error
raise select_error(str(ex))
return bool(rl)
def poll(self, timeout):
"""indicates whether the stream has data to read (within *timeout*
seconds)"""
try:
while True:
try:
rl, _, _ = select([self], [], [], timeout)
except select_error as ex:
if ex[0] == errno.EINTR:
continue
else:
raise
else:
break
except ValueError as ex:
# i get this some times: "ValueError: file descriptor cannot be a negative integer (-1)"
# let's translate it to select.error
raise select_error(str(ex))
return bool(rl)
