class GRowsHandler(object):
def __init__(self):
"""
Subclass of :class:`~.AsyncViewBase`
This doesn't expose an API different from the normal
synchronous view API. It's just implemented differently
"""
# We use __double_underscore to mangle names. This is because
# the views class has quite a bit of data attached to it.
self.__waiter = Waiter()
self.__raw_rows = []
self.__done_called = False
self.start()
self.raw.rows_per_call = 100000
def _callback(self, *args):
# This method overridden from the parent. Rather than do the processing
# on demand, we must defer it for later. This is done by copying the
# rows to a list. In the typical case we shouldn't accumulate all
# the rows in the buffer (since .switch() will typically have something
# waiting for us). However if the view is destroyed prematurely,
# or if the user is not actively iterating over us, or if something
# else happens (such as more rows arriving during a get request with
# include_docs), we simply accumulate the rows here.
self.__raw_rows.append(self.raw.rows)
if self.raw.done:
self._clear()
self.__waiter.switch()
def _errback(self, mres, *args):
self._clear()
self.__waiter.throw(*args)
def __iter__(self):
if not self._do_iter:
raise AlreadyQueriedError.pyexc("Already queried")
while self._do_iter and not self.__done_called:
self.__waiter.get()
rowset_list = self.__raw_rows
self.__raw_rows = []
for rowset in rowset_list:
for row in self._process_payload(rowset):
yield row
self._do_iter = False
class GRowsHandler(object):
def __init__(self):
"""
Subclass of :class:`~.AsyncViewBase`
This doesn't expose an API different from the normal
synchronous view API. It's just implemented differently
"""
# We use __double_underscore to mangle names. This is because
# the views class has quite a bit of data attached to it.
self.__waiter = Waiter()
self.__raw_rows = []
self.__done_called = False
self.start()
self.raw.rows_per_call = 100000
def _callback(self, *args):
# This method overridden from the parent. Rather than do the processing
# on demand, we must defer it for later. This is done by copying the
# rows to a list. In the typical case we shouldn't accumulate all
# the rows in the buffer (since .switch() will typically have something
# waiting for us). However if the view is destroyed prematurely,
# or if the user is not actively iterating over us, or if something
# else happens (such as more rows arriving during a get request with
# include_docs), we simply accumulate the rows here.
self.__raw_rows.append(self.raw.rows)
if self.raw.done:
self._clear()
self.__waiter.switch()
def _errback(self, mres, *args):
self._clear()
self.__waiter.throw(*args)
def __iter__(self):
if not self._do_iter:
raise AlreadyQueriedError.pyexc("Already queried")
while self._do_iter and not self.__done_called:
self.__waiter.get()
rowset_list = self.__raw_rows
self.__raw_rows = []
for rowset in rowset_list:
for row in self._process_payload(rowset):
yield row
self._do_iter = False
def _http_request(self, **kwargs):
res = super(Bucket, self)._http_request(**kwargs)
w = Waiter()
res.callback = lambda x: w.switch(x)
res.errback = lambda x, c, o, b: w.throw(c, o, b)
return w.get()
def _http_request(self, **kwargs):
res = super(Bucket, self)._http_request(**kwargs)
w = Waiter()
res.callback = lambda x: w.switch(x)
res.errback = lambda x, c, o, b: w.throw(c, o, b)
return w.get()
def test(self):
waiter = self.waiter
self.assertEqual(str(waiter), '<Waiter greenlet=None>')
waiter.switch(25)
self.assertEqual(str(waiter), '<Waiter greenlet=None value=25>')
self.assertEqual(waiter.get(), 25)
waiter = Waiter()
waiter.throw(ZeroDivisionError)
assert re.match('^<Waiter greenlet=None exc_info=.*ZeroDivisionError.*$', str(waiter)), str(waiter)
self.assertRaises(ZeroDivisionError, waiter.get)
waiter = Waiter()
gevent.spawn(waiter.get)
gevent.sleep(0)
assert str(waiter).startswith('<Waiter greenlet=<Greenlet at '), str(waiter)
def test(self):
waiter = Waiter()
self.assertEqual(str(waiter), '<Waiter greenlet=None>')
waiter.switch(25)
self.assertEqual(str(waiter), '<Waiter greenlet=None value=25>')
self.assertEqual(waiter.get(), 25)
waiter = Waiter()
waiter.throw(ZeroDivisionError)
assert re.match('^<Waiter greenlet=None exc_info=.*ZeroDivisionError.*$', str(waiter)), str(waiter)
self.assertRaises(ZeroDivisionError, waiter.get)
waiter = Waiter()
g = gevent.spawn(waiter.get)
gevent.sleep(0)
self.assertTrue(str(waiter).startswith('<Waiter greenlet=<Greenlet "Greenlet-'))
g.kill()
def test(self):
waiter = Waiter()
self.assertEqual(str(waiter), '<Waiter greenlet=None>')
waiter.switch(25)
self.assertEqual(str(waiter), '<Waiter greenlet=None value=25>')
self.assertEqual(waiter.get(), 25)
waiter = Waiter()
waiter.throw(ZeroDivisionError)
assert re.match('^<Waiter greenlet=None exc_info=.*ZeroDivisionError.*$', str(waiter)), str(waiter)
self.assertRaises(ZeroDivisionError, waiter.get)
waiter = Waiter()
g = gevent.spawn(waiter.get)
g.name = 'AName'
gevent.sleep(0)
str_waiter = str(waiter)
self.assertTrue(str_waiter.startswith('<Waiter greenlet=<Greenlet "AName'),
str_waiter)
g.kill()
