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Issue #26489: Add dictionary unpacking support to Tools/parser/unparse.py

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Patch by Guo Ci Teo.
This commit is contained in:
Berker Peksag 2016-03-06 16:50:15 +02:00
parent e88dd1c32c
commit d66dd5ce68
3 changed files with 20 additions and 3 deletions
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15
Tools/parser/unparse.py
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@ -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):