def resolve_str(self,
src: str,
unwrap=True,
skip_interpolation_checks=False) -> str:
"""Resolves interpolated string to it's original value,
or in case of multiple interpolations, a combined string.
>>> c = Context({"enabled": True})
>>> c.resolve_str("${enabled}")
True
>>> c.resolve_str("enabled? ${enabled}")
'enabled? true'
"""
matches = get_matches(src)
if is_exact_string(src, matches):
# replace "${enabled}", if `enabled` is a boolean, with it's actual
# value rather than it's string counterparts.
expr = get_expression(matches[0],
skip_checks=skip_interpolation_checks)
return self.select(expr, unwrap=unwrap)
# but not "${num} days"
return str_interpolate(src,
matches,
self,
skip_checks=skip_interpolation_checks)
def _check_joined_with_interpolation(key: str, value: str):
matches = get_matches(value)
if matches and not is_exact_string(value, matches):
raise ValueError(
f"Cannot set '{key}', "
"joining string with interpolated string "
"is not supported"
)
