def read_input(input_file):
'''
Takes an open input_file
returns a dict with the processed options read from file
and a geometry object
'''
local_options = DEFAULT_OPTIONS.copy()
geometry = Geometry()
for i, line in enumerate(input_file):
tokens = _tokenize(line)
if tokens[0] == '':
continue
if len(tokens) != 2:
raise ValueError(
"In line {}: Wrong format\nGot: {}".format(i, line)
)
key, value = tokens[0].upper(), tokens[1].upper()
if key in local_options:
local_options[key] = value
elif key == "BOUNDARY":
geometry.add_boundary(value)
elif key == "BODY":
geometry.add_body_from_file(value)
elif key[:4] == "GEO_":
geometry.add_geometry(key, value)
else:
raise ValueError(
"In line {}: Invalid option {}".format(i, key)
)
return local_options, geometry
