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bpo-32892: Use ast.Constant instead of specific constant AST types. (GH-9445)

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Serhiy Storchaka 2018-09-27 17:42:37 +03:00 • committed by GitHub
parent a94ee12c26
commit 3f22811fef
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20 changed files with 337 additions and 678 deletions
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23
Tools/parser/unparse.py
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@ -329,12 +329,6 @@ class Unparser:
self.leave()
# expr
def _Bytes(self, t):
self.write(repr(t.s))
def _Str(self, tree):
self.write(repr(tree.s))
def _JoinedStr(self, t):
self.write("f")
string = io.StringIO()
@ -352,10 +346,6 @@ class Unparser:
meth = getattr(self, "_fstring_" + type(value).__name__)
meth(value, write)
def _fstring_Str(self, t, write):
value = t.s.replace("{", "{{").replace("}", "}}")
write(value)
def _fstring_Constant(self, t, write):
assert isinstance(t.value, str)
value = t.value.replace("{", "{{").replace("}", "}}")
@ -384,6 +374,7 @@ class Unparser:
def _write_constant(self, value):
if isinstance(value, (float, complex)):
# Substitute overflowing decimal literal for AST infinities.
self.write(repr(value).replace("inf", INFSTR))
else:
self.write(repr(value))
@ -398,16 +389,11 @@ class Unparser:
else:
interleave(lambda: self.write(", "), self._write_constant, value)
self.write(")")
elif value is ...:
self.write("...")
else:
self._write_constant(t.value)
def _NameConstant(self, t):
self.write(repr(t.value))
def _Num(self, t):
# Substitute overflowing decimal literal for AST infinities.
self.write(repr(t.n).replace("inf", INFSTR))
def _List(self, t):
self.write("[")
interleave(lambda: self.write(", "), self.dispatch, t.elts)
@ -539,8 +525,7 @@ class Unparser:
# Special case: 3.__abs__() is a syntax error, so if t.value
# is an integer literal then we need to either parenthesize
# it or add an extra space to get 3 .__abs__().
if ((isinstance(t.value, ast.Num) and isinstance(t.value.n, int))
or (isinstance(t.value, ast.Constant) and isinstance(t.value.value, int))):
if isinstance(t.value, ast.Constant) and isinstance(t.value.value, int):
self.write(" ")
self.write(".")
self.write(t.attr)