def execute(self, obj, params=(), evaluate_generator=False):
if obj.isinstance(er.Function):
obj = obj.get_decorated_func()
debug.dbg('execute: %s %s', obj, params)
try:
return stdlib.execute(self, obj, params)
except stdlib.NotInStdLib:
pass
if isinstance(obj, iterable.GeneratorMethod):
return obj.execute()
elif obj.isinstance(compiled.CompiledObject):
if obj.is_executable_class():
return [er.Instance(self, obj, params)]
else:
return list(obj.execute_function(self, params))
elif obj.isinstance(er.Class):
# There maybe executions of executions.
return [er.Instance(self, obj, params)]
else:
stmts = []
if obj.isinstance(er.Function):
stmts = er.FunctionExecution(self, obj, params).get_return_types(evaluate_generator)
else:
if hasattr(obj, 'execute_subscope_by_name'):
try:
stmts = obj.execute_subscope_by_name('__call__', params)
except KeyError:
debug.warning("no __call__ func available %s", obj)
else:
debug.warning("no execution possible %s", obj)
debug.dbg('execute result: %s in %s', stmts, obj)
return imports.follow_imports(self, stmts)
def builtins_reversed(evaluator, sequences, obj):
# Unpack the iterator values
objects = tuple(iterable.get_iterator_types(sequences))
rev = [iterable.AlreadyEvaluated([o]) for o in reversed(objects)]
# Repack iterator values and then run it the normal way. This is
# necessary, because `reversed` is a function and autocompletion
# would fail in certain cases like `reversed(x).__iter__` if we
# just returned the result directly.
rev = iterable.AlreadyEvaluated(
[iterable.FakeSequence(evaluator, rev, 'list')])
return [er.Instance(evaluator, obj, param.Arguments(evaluator, [rev]))]
def _literals_to_types(evaluator, result):
# Changes literals ('a', 1, 1.0, etc) to its type instances (str(),
# int(), float(), etc).
for i, r in enumerate(result):
if is_literal(r):
# Literals are only valid as long as the operations are
# correct. Otherwise add a value-free instance.
cls = builtin.get_by_name(r.name)
from jedi.evaluate import representation as er
result[i] = er.Instance(evaluator, cls)
return list(set(result))
def builtins_reversed(evaluator, obj, params):
objects = _follow_param(evaluator, params, 0)
if objects:
# unpack the iterator values
objects = iterable.get_iterator_types(objects)
rev = reversed(objects)
# Repack iterator values and then run it the normal way. This is necessary,
# because `reversed` is a function and autocompletion would fail in certain
# cases like `reversed(x).__iter__` if we just returned the result
# directly.
stmts = [FakeStatement([r]) for r in rev]
objects = (FakeArray(stmts, objects[0].parent), )
return [er.Instance(evaluator, obj, objects)]
def builtins_reversed(evaluator, sequences, obj, arguments):
# While we could do without this variable (just by using sequences), we
# want static analysis to work well. Therefore we need to generated the
# values again.
first_arg = next(arguments.as_tuple())[0]
ordered = list(iterable.py__iter__(evaluator, sequences, first_arg))
rev = [iterable.AlreadyEvaluated(o) for o in reversed(ordered)]
# Repack iterator values and then run it the normal way. This is
# necessary, because `reversed` is a function and autocompletion
# would fail in certain cases like `reversed(x).__iter__` if we
# just returned the result directly.
rev = iterable.AlreadyEvaluated(
[iterable.FakeSequence(evaluator, rev, 'list')]
)
return set([er.Instance(evaluator, obj, param.Arguments(evaluator, [rev]))])
def _eval_param(evaluator, param, scope):
res_new = set()
func = param.get_parent_scope()
cls = func.parent.get_parent_until((tree.Class, tree.Function))
from jedi.evaluate.param import ExecutedParam, Arguments
if isinstance(cls, tree.Class) and param.position_nr == 0 \
and not isinstance(param, ExecutedParam):
# This is where we add self - if it has never been
# instantiated.
if isinstance(scope, er.InstanceElement):
res_new.add(scope.instance)
else:
inst = er.Instance(evaluator,
evaluator.wrap(cls),
Arguments(evaluator, ()),
is_generated=True)
res_new.add(inst)
return res_new
# Instances are typically faked, if the instance is not called from
# outside. Here we check it for __init__ functions and return.
if isinstance(func, er.InstanceElement) \
and func.instance.is_generated and str(func.name) == '__init__':
param = func.var.params[param.position_nr]
# Add pep0484 and docstring knowledge.
pep0484_hints = pep0484.follow_param(evaluator, param)
doc_params = docstrings.follow_param(evaluator, param)
if pep0484_hints or doc_params:
return list(set(pep0484_hints) | set(doc_params))
if isinstance(param, ExecutedParam):
return res_new | param.eval(evaluator)
else:
# Param owns no information itself.
res_new |= dynamic.search_params(evaluator, param)
if not res_new:
if param.stars:
t = 'tuple' if param.stars == 1 else 'dict'
typ = list(evaluator.find_types(evaluator.BUILTINS, t))[0]
res_new = evaluator.execute(typ)
if param.default:
res_new |= evaluator.eval_element(param.default)
return res_new
def _eval_param(evaluator, param, scope):
res_new = []
func = param.parent
cls = func.parent.get_parent_until((pr.Class, pr.Function))
from jedi.evaluate.param import ExecutedParam, Arguments
if isinstance(cls, pr.Class) and param.position_nr == 0 \
and not isinstance(param, ExecutedParam):
# This is where we add self - if it has never been
# instantiated.
if isinstance(scope, er.InstanceElement):
res_new.append(scope.instance)
else:
inst = er.Instance(evaluator, er.wrap(evaluator, cls),
Arguments(evaluator, ()), is_generated=True)
res_new.append(inst)
return res_new
# Instances are typically faked, if the instance is not called from
# outside. Here we check it for __init__ functions and return.
if isinstance(func, er.InstanceElement) \
and func.instance.is_generated and str(func.name) == '__init__':
param = func.var.params[param.position_nr]
# Add docstring knowledge.
doc_params = docstrings.follow_param(evaluator, param)
if doc_params:
return doc_params
if isinstance(param, ExecutedParam):
return res_new + param.eval(evaluator)
else:
# Param owns no information itself.
res_new += dynamic.search_params(evaluator, param)
if not res_new:
if param.stars:
t = 'tuple' if param.stars == 1 else 'dict'
typ = evaluator.find_types(compiled.builtin, t)[0]
res_new = evaluator.execute(typ)
if param.default:
res_new += evaluator.eval_element(param.default)
return res_new
