def __enter__(self):
"""Load observable file in memory, using `with obs`.
Note: Except random bugs due to APPLGrid poor implementation
when loading several observables in the same process. In particular,pdf
convolutions of grids made with AMCFast will not work."""
global _selected_grid
if _selected_grid == self.filename:
return
if _selected_grid is not None:
raise RuntimeError("Contrdicting observable scope. "
"Was %s and trying to enter %s" %
(_selected_grid, self.filename))
with contextlib.ExitStack() as stack:
if not logging.getLogger().isEnabledFor(logging.DEBUG):
stack.enter_context(supress_stdout())
applwrap.initobs(self.filename)
_selected_grid = self.filename
def test_bad_values(self):
with self.assertRaises(ValueError):
applwrap.initobs("patata")
with self.assertRaises(ValueError):
applwrap.initpdf("patata")