diff options
Diffstat (limited to 'Tools/parser/unparse.py')
| -rw-r--r-- | Tools/parser/unparse.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Tools/parser/unparse.py b/Tools/parser/unparse.py index c82857710b..285030e792 100644 --- a/Tools/parser/unparse.py +++ b/Tools/parser/unparse.py @@ -393,12 +393,21 @@ class Unparser: def _Dict(self, t): self.write("{") - def write_pair(pair): - (k, v) = pair + def write_key_value_pair(k, v): self.dispatch(k) self.write(": ") self.dispatch(v) - interleave(lambda: self.write(", "), write_pair, zip(t.keys, t.values)) + + def write_item(item): + k, v = item + if k is None: + # for dictionary unpacking operator in dicts {**{'y': 2}} + # see PEP 448 for details + self.write("**") + self.dispatch(v) + else: + write_key_value_pair(k, v) + interleave(lambda: self.write(", "), write_item, zip(t.keys, t.values)) self.write("}") def _Tuple(self, t): |