def convert_annassign(config: ParserConfig, children: Sequence[Any]) -> Any:
if len(children) == 2:
# Variable annotation only
colon, annotation = children
annotation = annotation.value
equal = None
value = None
elif len(children) == 4:
# Variable annotation and assignment
colon, annotation, equal, value = children
annotation = annotation.value
value = value.value
equal = AssignEqual(
whitespace_before=parse_simple_whitespace(config,
equal.whitespace_before),
whitespace_after=parse_simple_whitespace(config,
equal.whitespace_after),
)
else:
raise Exception("Invalid parser state!")
return AnnAssignPartial(
annotation=Annotation(
whitespace_before_indicator=parse_simple_whitespace(
config, colon.whitespace_before),
whitespace_after_indicator=parse_simple_whitespace(
config, colon.whitespace_after),
annotation=annotation,
),
equal=equal,
value=value,
)
def convert_assign(config: ParserConfig, children: Sequence[Any]) -> Any:
equal, expr = children
return AssignPartial(
equal=AssignEqual(
whitespace_before=parse_simple_whitespace(config, equal.whitespace_before),
whitespace_after=parse_simple_whitespace(config, equal.whitespace_after),
),
value=expr.value,
)
def convert_fpdef_assign(config: ParserConfig, children: Sequence[Any]) -> Any:
if len(children) == 1:
(child, ) = children
return child
param, equal, default = children
return param.with_changes(
equal=AssignEqual(
whitespace_before=parse_parenthesizable_whitespace(
config, equal.whitespace_before),
whitespace_after=parse_parenthesizable_whitespace(
config, equal.whitespace_after),
),
default=default.value,
)
def convert_arg_assign_comp_for(
config: ParserConfig,
children: typing.Sequence[typing.Any]) -> typing.Any:
if len(children) == 1:
# Simple test
(child, ) = children
return Arg(value=child.value)
elif len(children) == 2:
elt, for_in = children
return Arg(value=GeneratorExp(elt.value, for_in, lpar=(), rpar=()))
else:
# "key = value" assignment argument
lhs, equal, rhs = children
return Arg(
keyword=lhs.value,
equal=AssignEqual(
whitespace_before=parse_parenthesizable_whitespace(
config, equal.whitespace_before),
whitespace_after=parse_parenthesizable_whitespace(
config, equal.whitespace_after),
),
value=rhs.value,
)