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from __future__ import absolute_import
from pymol import testing, invocation
class TestPyMOL2(testing.PyMOLTestCase):
@testing.requires_version('2.2')
def testDo(self):
import pymol
import pymol2
p3 = pymol # singleton
with pymol2.PyMOL() as p1:
p3.cmd.do("viewport 100, 200")
p1.cmd.do("viewport 300, 400")
self.assertEqual(p3.cmd.get_viewport(), (100, 200)) # singleton
self.assertEqual(p1.cmd.get_viewport(), (300, 400))
@testing.requires_version('1.8.5')
def testMultiInstance(self):
import pymol
import pymol2
p1 = pymol2.PyMOL()
p2 = pymol2.PyMOL()
p3 = pymol # singleton
p1.start()
p2.start()
p1.cmd.fragment('ala')
p2.cmd.fragment('trp')
p3.cmd.fragment('ile') # singleton
self.assertEqual(p1.cmd.count_atoms(), 10)
self.assertEqual(p2.cmd.count_atoms(), 24)
self.assertEqual(p3.cmd.count_atoms(), 19) # singleton
p1.stop()
p2.stop()
@testing.requires_version(
'2.1' if invocation.options.incentive_product else
'1.9')
def testDel(self):
import pymol2
import weakref
p1 = pymol2.PyMOL()
p1.start()
p1.cmd.fragment('ala')
# involve pymol._colortype (holds a bound method)
self._test_colortype(p1.cmd)
p1.stop()
weak_p = weakref.ref(p1)
weak_c = weakref.ref(p1.cmd)
del p1
self.assertEqual(None, weak_p())
self.assertEqual(None, weak_c())
def _test_colortype(self, _self):
colorset = set()
_self.set('sphere_color', 'blue', '(*)')
_self.iterate('*', 'colorset.add(('
'tuple(s.sphere_color),'
'int(s.sphere_color)))',
space={'colorset': colorset, 'tuple': tuple, 'int': int})
self.assertEqual(list(colorset), [((0., 0., 1.), 2)])
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