def visit_Slice(self, node):
# Slice(lower=Expr,
# upper=Expr,
# step=Expr)
tokens = self._GetTokens(node)
if hasattr(node, 'lower'):
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(node.lower),
pyutils.TokenEnd(node.lower))
_IncreasePenalty(subrange, split_penalty.EXPR)
_DecreasePenalty(subrange[0], split_penalty.EXPR // 2)
if hasattr(node, 'upper'):
colon_index = pyutils.GetPrevTokenIndex(
tokens, pyutils.TokenStart(node.upper))
_IncreasePenalty(tokens[colon_index], split_penalty.UNBREAKABLE)
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(node.upper),
pyutils.TokenEnd(node.upper))
_IncreasePenalty(subrange, split_penalty.EXPR)
_DecreasePenalty(subrange[0], split_penalty.EXPR // 2)
if hasattr(node, 'step'):
colon_index = pyutils.GetPrevTokenIndex(
tokens, pyutils.TokenStart(node.step))
_IncreasePenalty(tokens[colon_index], split_penalty.UNBREAKABLE)
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(node.step),
pyutils.TokenEnd(node.step))
_IncreasePenalty(subrange, split_penalty.EXPR)
_DecreasePenalty(subrange[0], split_penalty.EXPR // 2)
return self.generic_visit(node)
def visit_GeneratorExp(self, node):
# GeneratorExp(elt=Expr,
# generators=[
# comprehension(
# target=Expr,
# iter=Expr,
# ifs=[Expr_1, Expr_2, ..., Expr_n],
# is_async=0),
# ...
# ])
tokens = self._GetTokens(node)
element = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(node.elt),
pyutils.TokenEnd(node.elt))
_IncreasePenalty(element[1:], split_penalty.EXPR)
for comp in node.generators:
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(comp.iter),
pyutils.TokenEnd(comp.iter))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
for if_expr in comp.ifs:
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(if_expr),
pyutils.TokenEnd(if_expr))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
return self.generic_visit(node)
def visit_DictComp(self, node):
# DictComp(key=KeyExpr,
# value=ValExpr,
# generators=[
# comprehension(
# target=TargetExpr
# iter=IterExpr,
# ifs=[Expr_1, Expr_2, ..., Expr_n]),
# is_async=0)],
# ...
# ])
tokens = self._GetTokens(node)
key = pyutils.GetTokensInSubRange(tokens, pyutils.TokenStart(node.key),
pyutils.TokenEnd(node.key))
_IncreasePenalty(key[1:], split_penalty.EXPR)
value = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(node.value),
pyutils.TokenEnd(node.value))
_IncreasePenalty(value[1:], split_penalty.EXPR)
for comp in node.generators:
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(comp.iter),
pyutils.TokenEnd(comp.iter))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
for if_expr in comp.ifs:
subrange = pyutils.GetTokensInSubRange(
tokens, pyutils.TokenStart(if_expr),
pyutils.TokenEnd(if_expr))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
return self.generic_visit(node)
def visit_Set(self, node):
# Set(elts=[Expr_1, Expr_2, ..., Expr_n])
tokens = self._GetTokens(node)
for element in node.elts:
subrange = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(element),
pyutils.TokenEnd(element))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
return self.generic_visit(node)
def visit_Dict(self, node):
# Dict(keys=[Expr_1, Expr_2, ..., Expr_n],
# values=[Expr_1, Expr_2, ..., Expr_n])
tokens = self._GetTokens(node)
# The keys should be on a single line if at all possible.
for key in node.keys:
subrange = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(key),
pyutils.TokenEnd(key))
_IncreasePenalty(subrange[1:], split_penalty.DICT_KEY_EXPR)
for value in node.values:
subrange = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(value),
pyutils.TokenEnd(value))
_IncreasePenalty(subrange[1:], split_penalty.DICT_VALUE_EXPR)
return self.generic_visit(node)
def visit_Call(self, node):
# Call(func=Expr,
# args=[Expr_1, Expr_2, ..., Expr_n],
# keywords=[
# keyword(
# arg='d',
# value=Expr),
# ...
# ])
tokens = self._GetTokens(node)
# Don't never split before the opening parenthesis.
paren_index = pyutils.GetNextTokenIndex(tokens,
pyutils.TokenEnd(node.func))
_IncreasePenalty(tokens[paren_index], split_penalty.UNBREAKABLE)
for arg in node.args:
subrange = pyutils.GetTokensInSubRange(tokens,
pyutils.TokenStart(arg),
pyutils.TokenEnd(arg))
_IncreasePenalty(subrange[1:], split_penalty.EXPR)
return self.generic_visit(node)