def _geturl(self, url, use_alarm=True):
"""
Download the given url. If use_alarm is True (the default)
timeout and return the TIMEOUT object if the default download
timeout is exceeded.
"""
if not use_alarm:
return urllib2.urlopen(url).read()
try:
alarm(self._url_timeout)
return urllib2.urlopen(url).read()
except KeyboardInterrupt:
return TIMEOUT
finally:
cancel_alarm()
def _timeit(self, code):
"""
Time evaluation of the given code, timing out after
self._url_timeout seconds, and using the default number and
repeat values as options to timeit.
"""
try:
alarm(self._url_timeout)
T = sage_timeit(code, globals(), number=self._timeit_number,
repeat=self._timeit_repeat)
except KeyboardInterrupt:
return TIMEOUT
finally:
cancel_alarm()
return T
def test_allpub(self):
"""
View every single one of the published worksheets on the
Sage notebook server.
"""
if self._verbose: print "testing download of all published worksheets..."
tm = walltime()
pub = self.get_urls_of_published_worksheets()
try:
alarm(self._url_timeout)
for i, X in enumerate(pub):
t0 = walltime()
self._geturl(X, use_alarm=False)
if self._verbose:
print "Got %s [%s/%s] %.2f seconds"%(X,i+1,len(pub), walltime(t0))
return walltime(tm)
except KeyboardInterrupt:
return TIMEOUT
finally:
cancel_alarm()
try:
alarm(5)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((interface, port))
except socket.error, msg:
if msg[1] == 'Connection refused':
if verbose: print "Using port = %s" % port
return port
except KeyboardInterrupt:
if verbose: print "alarm"
alarm_count += 1
if alarm_count >= 10:
break
pass
finally:
cancel_alarm()
if verbose:
print "Port %s is already in use." % port
print "Trying next port..."
raise RuntimeError, "no available port."
def open_page(address, port, secure, path=""):
if secure:
rsrc = 'https'
else:
rsrc = 'http'
os.system('%s %s://%s:%s%s 1>&2 > /dev/null &' %
(browser(), rsrc, address, port, path))
try:
alarm(5)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((interface, port))
except socket.error, msg:
if msg[1] == 'Connection refused':
if verbose: print "Using port = %s"%port
return port
except KeyboardInterrupt:
if verbose: print "alarm"
alarm_count += 1
if alarm_count >= 10:
break
pass
finally:
cancel_alarm()
if verbose:
print "Port %s is already in use."%port
print "Trying next port..."
raise RuntimeError, "no available port."
def open_page(address, port, secure, path=""):
if secure:
rsrc = 'https'
else:
rsrc = 'http'
os.system('%s %s://%s:%s%s 1>&2 > /dev/null &'%(browser(), rsrc, address, port, path))
def pad_zeros(s, size=3):