1 import distutils.version
5 getcurrent = greenlet.greenlet.getcurrent
6 GreenletExit = greenlet.greenlet.GreenletExit
7 preserves_excinfo = (distutils.version.LooseVersion(greenlet.__version__)
8 >= distutils.version.LooseVersion('0.3.2'))
9 greenlet = greenlet.greenlet
10 except ImportError as e:
13 from py.magic import greenlet
14 getcurrent = greenlet.getcurrent
15 GreenletExit = greenlet.GreenletExit
16 preserves_excinfo = False
19 from stackless import greenlet
20 getcurrent = greenlet.getcurrent
21 GreenletExit = greenlet.GreenletExit
22 preserves_excinfo = False
25 from support.stacklesss import greenlet, getcurrent, GreenletExit
26 preserves_excinfo = False
27 (greenlet, getcurrent, GreenletExit) # silence pyflakes
28 except ImportError as e:
29 raise ImportError("Unable to find an implementation of greenlet.")