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Add method.__reduce__ by jeffwang0516 · Pull Request #4237 · RustPython/RustPython · GitHub

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Add method.__reduce__ #4237

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Merged
youknowone merged 2 commits into from
Oct 21, 2022
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Add method.__reduce__ #4237

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df6d442
Add method.__reduce__
jeffwang0516 Oct 21, 2022
aa40195
Remove expected failures for method related tests
jeffwang0516 Oct 21, 2022
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20 changes: 0 additions & 20 deletions Lib/test/test_pickle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,11 +95,6 @@ def test_buffer_callback_error(self): # TODO: RUSTPYTHON, remove when this passe
def test_buffers_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_buffers_error() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, TypeError: cannot pickle 'method' object
@unittest.expectedFailure
def test_c_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_c_methods() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, AssertionError
@unittest.expectedFailure
def test_complex_newobj_ex(self): # TODO: RUSTPYTHON, remove when this passes
Expand Down Expand Up @@ -130,11 +125,6 @@ def test_optional_frames(self): # TODO: RUSTPYTHON, remove when this passes
def test_picklebuffer_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_picklebuffer_error() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, pickle.PicklingError
@unittest.expectedFailure
def test_py_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_py_methods() # TODO: RUSTPYTHON, remove when this passes

def dumps(self, arg, proto=None, **kwargs):
f = io.BytesIO()
p = self.pickler(f, proto, **kwargs)
Expand Down Expand Up @@ -171,11 +161,6 @@ def test_buffer_callback_error(self): # TODO: RUSTPYTHON, remove when this passe
def test_buffers_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_buffers_error() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, TypeError: cannot pickle 'method' object
@unittest.expectedFailure
def test_c_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_c_methods() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, AssertionError
@unittest.expectedFailure
def test_complex_newobj_ex(self): # TODO: RUSTPYTHON, remove when this passes
Expand Down Expand Up @@ -216,11 +201,6 @@ def test_optional_frames(self): # TODO: RUSTPYTHON, remove when this passes
def test_picklebuffer_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_picklebuffer_error() # TODO: RUSTPYTHON, remove when this passes

# TODO: RUSTPYTHON, pickle.PicklingError
@unittest.expectedFailure
def test_py_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_py_methods() # TODO: RUSTPYTHON, remove when this passes

def dumps(self, arg, protocol=None, **kwargs):
return pickle.dumps(arg, protocol, **kwargs)

Expand Down
10 changes: 0 additions & 10 deletions Lib/test/test_pickletools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,6 @@ def test_buffer_callback_error(self): # TODO: RUSTPYTHON, remove when this passe
def test_buffers_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_buffers_error()

# TODO: RUSTPYTHON, TypeError: cannot pickle 'method' object
@unittest.expectedFailure
def test_c_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_c_methods()

def test_compat_pickle(self): # TODO: RUSTPYTHON, remove when this passes
super().test_compat_pickle()

Expand Down Expand Up @@ -58,11 +53,6 @@ def test_optional_frames(self): # TODO: RUSTPYTHON, remove when this passes
def test_picklebuffer_error(self): # TODO: RUSTPYTHON, remove when this passes
super().test_picklebuffer_error()

# TODO: RUSTPYTHON, pickle.PicklingError
@unittest.expectedFailure
def test_py_methods(self): # TODO: RUSTPYTHON, remove when this passes
super().test_py_methods()

def dumps(self, arg, proto=None, **kwargs):
return pickletools.optimize(pickle.dumps(arg, proto, **kwargs))

Expand Down
9 changes: 9 additions & 0 deletions vm/src/builtins/builtinfunc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,15 @@ impl PyBuiltinMethod {
self.class.name()
)
}
#[pymethod(magic)]
fn reduce(
&self,
vm: &VirtualMachine,
) -> (Option<PyObjectRef>, (Option<PyObjectRef>, PyStrRef)) {
let builtinfunc_getattr = vm.builtins.get_attr("getattr", vm).ok();
let classname = vm.builtins.get_attr(self.class.name().to_string(), vm).ok();
(builtinfunc_getattr, (classname, self.value.name.clone()))
}
}
impl Unconstructible for PyBuiltinMethod {}

Expand Down
11 changes: 11 additions & 0 deletions vm/src/builtins/function.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -552,6 +552,17 @@ impl PyBoundMethod {
))
}

#[pymethod(magic)]
fn reduce(
&self,
vm: &VirtualMachine,
) -> (Option<PyObjectRef>, (PyObjectRef, Option<PyObjectRef>)) {
let builtinfunc_getattr = vm.builtins.get_attr("getattr", vm).ok();
let funcself = self.object.clone();
let funcname = self.function.get_attr("__name__", vm).ok();
(builtinfunc_getattr, (funcself, funcname))
}

#[pygetset(magic)]
fn doc(&self, vm: &VirtualMachine) -> PyResult {
self.function.get_attr("__doc__", vm)
Expand Down
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