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Need py__bool__ on generators as well as any other object.

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Dave Halter
2015-02-27 12:35:28 +01:00
parent 23fe08363d
commit 2b1ddb19c9
2 changed files with 13 additions and 3 deletions
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9
jedi/evaluate/iterable.py
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@@ -69,6 +69,9 @@ class GeneratorMixin(object):
""" """
return [self.iter_content()[index]] return [self.iter_content()[index]]
def py__bool__(self):
return True
class Generator(use_metaclass(CachedMetaClass, IterableWrapper, GeneratorMixin)): class Generator(use_metaclass(CachedMetaClass, IterableWrapper, GeneratorMixin)):
"""Handling of `yield` functions.""" """Handling of `yield` functions."""
@@ -161,6 +164,9 @@ class ArrayMixin(object):
scope = self._evaluator.execute(scope, (AlreadyEvaluated((self,)),))[0] scope = self._evaluator.execute(scope, (AlreadyEvaluated((self,)),))[0]
return scope.names_dicts(search_global) return scope.names_dicts(search_global)
def py__bool__(self):
return None # We don't know the length, because of appends.
class ListComprehension(Comprehension, ArrayMixin): class ListComprehension(Comprehension, ArrayMixin):
type = 'list' type = 'list'
@@ -203,9 +209,6 @@ class Array(IterableWrapper, ArrayMixin):
def name(self): def name(self):
return helpers.FakeName(self.type, parent=self) return helpers.FakeName(self.type, parent=self)
def py__bool__(self):
return None # We don't know the length, because of appends.
@memoize_default() @memoize_default()
def get_index_types(self, evaluator, index=()): def get_index_types(self, evaluator, index=()):
""" """

7
test/completion/generators.py
View File

@@ -24,6 +24,13 @@ next(gen_ret(1))
#? [] #? []
next(gen_ret()) next(gen_ret())
# generators evaluate to true if cast by bool.
a = ''
if gen_ret():
a = 3
#? int()
a
# ----------------- # -----------------
# generators should not be indexable # generators should not be indexable