def find_relative_resource(relpath):
calculator = find_object_in_stack('self', Calculator)
variables = calculator.namespace.variables
package = variables.get('$current-package').render().strip('"').strip("'")
module = resolve(package)
filename = variables.get('$current-relpath').render().strip('"').strip("'")
directory = Path(module.__file__).parent.joinpath(filename).parent
path = directory.joinpath(relpath.render().strip('"').strip("'")).abspath()
if not path.isfile():
raise ValueError('{0}: File does not exist: {1}'.format(
filename, path))
return path
def register_theming_variables(*varnames):
calculator = find_object_in_stack('self', Calculator)
variables = calculator.namespace.variables
package = (variables.get('$current-package').render()
.strip('"').strip("'"))
filename = (variables.get('$current-filename').render()
.strip('"').strip("'"))
varnames = map(methodcaller('render'), varnames)
if package not in packages:
packages[package] = []
for name in varnames:
name = u'${0}'.format(name)
value = variables.get(name, None)
vartype = value.__class__.__name__
value = value and value.render or '???'
packages[package].append({'filename': filename,
'name': name,
'value': value,
'type': vartype})
return Null()
