def get_current_bar(self):
'''
Returns the current Bar as a Bar instance. The cursor is advanced to
point to the next Bar.
:returns Bar: Bar containing all standard fields plus a user-defined
field for each indicator in this feed.
'''
if self._cursor >= self._len:
return None
# because of how the code in the constructor above, we all of the
# standard bar fields exist at fixed offsets in self._values
b = Bar(self._values[0][self._cursor],
self._values[1][self._cursor],
self._values[2][self._cursor],
self._values[3][self._cursor],
self._values[4][self._cursor],
self._values[5][self._cursor])
for ind in self._indictrs:
b.set_user_defined(ind.name(), self._lkup[ind.name()][self._cursor])
self._cursor += 1
return b
def get_current_bar(self):
'''
Returns the current Bar as a Bar instance. The cursor is advanced to
point to the next Bar.
:returns Bar: Bar containing all standard fields plus a user-defined
field for each indicator in this feed.
'''
if self._cursor >= self._len:
return None
# because of how the code in the constructor above, we all of the
# standard bar fields exist at fixed offsets in self._values
b = Bar(self._values[0][self._cursor], self._values[1][self._cursor],
self._values[2][self._cursor], self._values[3][self._cursor],
self._values[4][self._cursor], self._values[5][self._cursor])
for ind in self._indictrs:
b.set_user_defined(ind.name(),
self._lkup[ind.name()][self._cursor])
self._cursor += 1
return b
def testUserDefined(self):
b = Bar(datetime.datetime(2013,1,23),10.0, 40.0, 5.0, 25.0)
b.set_user_defined('foo1', 42)
b.set_user_defined('foo2', 99.36)
self.assertEqual(b.foo1(), 42)
self.assertEqual(b.foo2(), 99.36)
with self.assertRaisesRegexp(Exception, 'Bar has no user-defined'):
b.Close()
self.assertFalse(b.has_nan())
b.set_user_defined('foonan', numpy.nan)
self.assertTrue(b.has_nan())
def testUserDefined(self):
b = Bar(datetime.datetime(2013, 1, 23), 10.0, 40.0, 5.0, 25.0)
b.set_user_defined('foo1', 42)
b.set_user_defined('foo2', 99.36)
self.assertEqual(b.foo1(), 42)
self.assertEqual(b.foo2(), 99.36)
with self.assertRaisesRegexp(Exception, 'Bar has no user-defined'):
b.Close()
self.assertFalse(b.has_nan())
b.set_user_defined('foonan', numpy.nan)
self.assertTrue(b.has_nan())
