def t_bracket_string(state, p):
m = bracket_string_re.match(p[0].value)
delim, content = m.groups()
if delim == 'f' or delim.startswith('f-'):
values = _format_string(state, p, content)
return FString(values, brackets=delim)
return String(content, brackets=delim)
def test_invalid_bracket_strings():
for string, brackets in [("]foo]", "foo"), ("something ]f] else", "f")]:
with pytest.raises(ValueError):
String(string, brackets)
for nodes, brackets in [
([String("hello"), String("world ]foo]")], "foo"),
([String("something"), FComponent([String("world")]), String("]f]")], "f"),
([String("something"), FComponent([Integer(1), String("]f]")])], "f"),
]:
with pytest.raises(ValueError):
FString(nodes, brackets=brackets)
def t_fstring(state, p):
s = p[0].value
assert s.startswith('f') or s.startswith('rf')
assert isinstance(s, str)
s = s.replace('f', '', 1)
# Replace the single double quotes with triple double quotes to allow
# embedded newlines.
try:
s = eval(s.replace('"', '"""', 1)[:-1] + '"""')
except SyntaxError:
raise LexException.from_lexer(
f"Can't convert {p[0].value} to a hy.models.FString",
state,
p[0],
)
# internal parser
values = _format_string(state, p, s)
return FString(values)