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make input more responsible, add timeout

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This commit is contained in:
chrys 2018-03-26 17:23:48 +02:00
parent 4847b1c78b
commit 65055acb66
1 changed files with 5 additions and 3 deletions
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8
src/fenrirscreenreader/screenDriver/ptyDriver.py
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@ -78,11 +78,13 @@ class driver(screenDriver):
self.env['screen']['autoIgnoreScreens'] = []
self.env['general']['prevUser'] = getpass.getuser()
self.env['general']['currUser'] = getpass.getuser()
def readAll(self,fd):
def readAll(self,fd, timeout = 9999999):
bytes = os.read(fd, 65536)
if bytes == b'':
raise EOFError
while screen_utils.hasMore(fd,0.0002):
starttime = time.time()
# respect timeout but wait a little bit of time to see if something more is here
while screen_utils.hasMore(fd,0.000001) and (time.time() - starttime) >= timeout:
data = os.read(fd, 65536)
if data == b'':
raise EOFError
@ -151,7 +153,7 @@ class driver(screenDriver):
if debug:
print('pre p_out')
try:
msgBytes = self.readAll(self.p_out.fileno())
msgBytes = self.readAll(self.p_out.fileno(), timeout=0.2)
except (EOFError, OSError):
active.value = False
break