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Make partial use the __doc__ of its function, fixes #1621

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This commit is contained in:
Dave Halter
2020-06-25 09:32:48 +02:00
parent 737c1e5792
commit 59ccd2da93
3 changed files with 37 additions and 10 deletions
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30
jedi/plugins/stdlib.py
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@@ -474,11 +474,10 @@ def collections_namedtuple(value, arguments, callback):
class PartialObject(ValueWrapper):
def __init__(self, actual_value, arguments, instance=None):
super(PartialObject, self).__init__(actual_value)
self._actual_value = actual_value
self._arguments = arguments
self._instance = instance
def _get_function(self, unpacked_arguments):
def _get_functions(self, unpacked_arguments):
key, lazy_value = next(unpacked_arguments, (None, None))
if key is not None or lazy_value is None:
debug.warning("Partial should have a proper function %s", self._arguments)
@@ -487,8 +486,8 @@ class PartialObject(ValueWrapper):
def get_signatures(self):
unpacked_arguments = self._arguments.unpack()
func = self._get_function(unpacked_arguments)
if func is None:
funcs = self._get_functions(unpacked_arguments)
if funcs is None:
return []
arg_count = 0
@@ -500,17 +499,30 @@ class PartialObject(ValueWrapper):
arg_count += 1
else:
keys.add(key)
return [PartialSignature(s, arg_count, keys) for s in func.get_signatures()]
return [PartialSignature(s, arg_count, keys) for s in funcs.get_signatures()]
def py__call__(self, arguments):
func = self._get_function(self._arguments.unpack())
if func is None:
funcs = self._get_functions(self._arguments.unpack())
if funcs is None:
return NO_VALUES
return func.execute(
return funcs.execute(
MergedPartialArguments(self._arguments, arguments, self._instance)
)
def py__doc__(self):
"""
In CPython partial does not replace the docstring. However we are still
imitating it here, because we want this docstring to be worth something
for the user.
"""
callables = self._get_functions(self._arguments.unpack())
if callables is None:
return ''
for callable_ in callables:
return callable_.py__doc__()
return ''
def py__get__(self, instance, class_value):
return ValueSet([self])
@@ -519,7 +531,7 @@ class PartialMethodObject(PartialObject):
def py__get__(self, instance, class_value):
if instance is None:
return ValueSet([self])
return ValueSet([PartialObject(self._actual_value, self._arguments, instance)])
return ValueSet([PartialObject(self._wrapped_value, self._arguments, instance)])
class PartialSignature(SignatureWrapper):