def _grab_simple(to_file, backend=None, bbox=None, filename=None, timeout=None):
loader = Loader()
loader.force(backend)
backend_obj = loader.selected()
if to_file:
return backend_obj.grab_to_file(filename)
else:
return backend_obj.grab(bbox)
def _backend_version(backend):
loader = Loader()
loader.force(backend)
try:
x = loader.selected()
v = x.backend_version()
except Exception:
v = None
return v
def backends():
'''Back-end names as a list
:return: back-ends as string list
'''
return Loader().all_names
def backends():
"""Back-end names as a list.
:return: back-ends as string list
"""
return Loader().all_names
def _grab_simple(backend=None, bbox=None, filename=None):
loader = Loader()
loader.force(backend)
backend_obj = loader.selected()
return backend_obj.grab(bbox)
def test_mix(self):
man = Loader()
man.force('scrot')
man.set_preference(['imagemagick', 'scrot'])
eq_(man.selected().name, 'scrot')
def test_force(self):
man = Loader()
for name in ['imagemagick', 'scrot', 'pygtk', 'pyqt', 'wx']:
man.force(name)
eq_(man.selected().name, name)
man.force(None) # for other tests
def test_pref(self):
man = Loader()
man.force(None)
man.set_preference(['imagemagick', 'scrot'])
eq_(man.selected().name, 'imagemagick')
man.set_preference(['imagemagick', 'scrot', 'imagemagick'])
eq_(man.selected().name, 'imagemagick')
man.set_preference(['imagemagick'])
eq_(man.selected().name, 'imagemagick')
man.set_preference(['pygtk', 'imagemagick', 'scrot'])
eq_(man.selected().name, 'pygtk')
man.set_preference(['scrot', 'imagemagick'])
eq_(man.selected().name, 'scrot')
man.set_preference(['scrot', 'imagemagick', 'pygtk'])
eq_(man.selected().name, 'scrot')
man.set_preference(['scrot', 'imagemagick', 'scrot'])
eq_(man.selected().name, 'scrot')
man.set_preference(['scrot'])
eq_(man.selected().name, 'scrot')
def _get_loader():
global BACKEND_LOADER
if not BACKEND_LOADER:
BACKEND_LOADER = Loader()
return BACKEND_LOADER
