def _backend_version(backend):
loader = Loader()
loader.force(backend)
try:
x = loader.selected()
v = x.backend_version()
except Exception:
v = None
return v
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 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 _get_loader():
global BACKEND_LOADER
if not BACKEND_LOADER:
BACKEND_LOADER = Loader()
return BACKEND_LOADER
