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from pypy.module.cpyext.test.test_api import BaseApiTest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.methodobject import PyMethodDef
from pypy.module.cpyext.api import ApiFunction
from pypy.module.cpyext.pyobject import PyObject, make_ref
from pypy.module.cpyext.methodobject import (
PyDescr_NewMethod, PyCFunction)
from rpython.rtyper.lltypesystem import rffi, lltype
class AppTestMethodObject(AppTestCpythonExtensionBase):
def test_call_METH_NOARGS(self):
mod = self.import_extension('MyModule', [
('getarg_NO', 'METH_NOARGS',
'''
if(args) {
Py_INCREF(args);
return args;
}
else {
Py_INCREF(Py_None);
return Py_None;
}
'''
),
])
assert mod.getarg_NO() is None
excinfo = raises(TypeError, mod.getarg_NO, 1)
assert "(1 given)" in str(excinfo.value)
raises(TypeError, mod.getarg_NO, 1, 1)
def test_call_METH_O(self):
mod = self.import_extension('MyModule', [
('getarg_O', 'METH_O',
'''
Py_INCREF(args);
return args;
'''
),
])
assert mod.getarg_O(1) == 1
assert mod.getarg_O.__name__ == "getarg_O"
raises(TypeError, mod.getarg_O)
raises(TypeError, mod.getarg_O, 1, 1)
def test_call_METH_VARARGS(self):
mod = self.import_extension('MyModule', [
('getarg_VARARGS', 'METH_VARARGS',
'''
return Py_BuildValue("Ol", args, args->ob_refcnt);
'''
),
])
# check that we pass the expected tuple of arguments AND that the
# recnt is 1. In particular, on PyPy refcnt==1 means that we created
# the PyObject tuple directly, without passing from a w_tuple; as
# such, the tuple will be immediately freed after the call, without
# having to wait until the GC runs.
#
tup, refcnt = mod.getarg_VARARGS()
assert tup == ()
# the empty tuple is shared on CPython, so the refcnt will be >1. On
# PyPy it is not shared, though.
if not self.runappdirect:
assert refcnt == 1
#
tup, refcnt = mod.getarg_VARARGS(1)
assert tup == (1,)
assert refcnt == 1
#
tup, refcnt = mod.getarg_VARARGS(1, 2, 3)
assert tup == (1, 2, 3)
assert refcnt == 1
#
raises(TypeError, mod.getarg_VARARGS, k=1)
def test_call_METH_VARARGS_FASTCALL(self):
mod = self.import_extension('MyModule', [
('getarg_VA_FASTCALL', 'METH_VARARGS | METH_FASTCALL',
'''
PyObject *arg_tuple = PyTuple_New(len_args);
for (Py_ssize_t i =0 ; i < len_args; i++) {
Py_INCREF(args[i]);
PyTuple_SetItem(arg_tuple, i, args[i]);
}
return arg_tuple;
'''
),
])
tup = mod.getarg_VA_FASTCALL()
assert tup == ()
tup = mod.getarg_VA_FASTCALL(1)
assert tup == (1,)
tup = mod.getarg_VA_FASTCALL(1, 2, 3)
assert tup == (1, 2, 3)
raises(TypeError, mod.getarg_VA_FASTCALL, k=1)
def test_call_METH_KEYWORDS(self):
mod = self.import_extension('MyModule', [
('getarg_KW', 'METH_VARARGS | METH_KEYWORDS',
'''
if (!kwargs) kwargs = Py_None;
return Py_BuildValue("OO", args, kwargs);
'''
),
])
assert mod.getarg_KW(1) == ((1,), None)
assert mod.getarg_KW(1, 2) == ((1, 2), None)
assert mod.getarg_KW(a=3, b=4) == ((), {'a': 3, 'b': 4})
assert mod.getarg_KW(1, 2, a=3, b=4) == ((1, 2), {'a': 3, 'b': 4})
assert mod.getarg_KW.__name__ == "getarg_KW"
assert mod.getarg_KW(*(), **{}) == ((), {})
def test_call_METH_KEYWORDS_FASTCALL(self):
mod = self.import_extension('MyModule', [
('getarg_KW_FASTCALL', 'METH_FASTCALL | METH_KEYWORDS',
'''
Py_ssize_t len_all_args = len_args;
if (!kwnames) {
kwnames = Py_None;
}
else {
len_all_args += PyTuple_Size(kwnames);
}
PyObject *arg_tuple = PyTuple_New(len_all_args);
for (Py_ssize_t i = 0 ; i < len_all_args; i++) {
Py_INCREF(args[i]);
PyTuple_SetItem(arg_tuple, i, args[i]);
}
return Py_BuildValue("NO", arg_tuple, kwnames);
'''
),
])
assert mod.getarg_KW_FASTCALL(1) == ((1,), None)
assert mod.getarg_KW_FASTCALL(1, 2) == ((1, 2), None)
assert mod.getarg_KW_FASTCALL(a=3, b=4) == ((3, 4), ('a', 'b'))
assert mod.getarg_KW_FASTCALL(1, 2, a=3, b=4) == ((1, 2, 3, 4), ('a', 'b'))
assert mod.getarg_KW_FASTCALL.__name__ == "getarg_KW_FASTCALL"
assert mod.getarg_KW_FASTCALL(*(), **{}) == ((), None)
res = mod.getarg_KW_FASTCALL(1, 2, a=5, b=6, *[3, 4], **{'c': 7})
assert res[0][:4] == (1, 2, 3, 4) # positional
# keyword arguments may be ordered differently so compare as dict:
assert dict(zip(res[1], res[0][4:])) == {'a': 5, 'b': 6, 'c': 7}
args = tuple(range(50))
kwargs = {str(i): i for i in range(100)}
res = mod.getarg_KW_FASTCALL(*args, **kwargs)
assert res[0][:len(args)] == args
assert dict(zip(res[1], res[0][len(args):])) == kwargs
def test_func_attributes(self):
mod = self.import_extension('MyModule', [
('isCFunction', 'METH_O',
'''
if(PyCFunction_Check(args)) {
PyCFunctionObject* func = (PyCFunctionObject*)args;
return PyUnicode_FromString(func->m_ml->ml_name);
}
else {
Py_RETURN_FALSE;
}
'''
),
('getModule', 'METH_O',
'''
if(PyCFunction_Check(args)) {
PyCFunctionObject* func = (PyCFunctionObject*)args;
Py_INCREF(func->m_module);
return func->m_module;
}
else {
Py_RETURN_FALSE;
}
'''
),
('isSameFunction', 'METH_O',
'''
PyCFunction ptr = PyCFunction_GetFunction(args);
if (!ptr) return NULL;
if (ptr == (PyCFunction)MyModule_getModule)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
'''
),
])
assert mod.isCFunction(mod.getModule) == "getModule"
assert mod.getModule(mod.getModule) == 'MyModule'
if self.runappdirect: # XXX: fails untranslated
assert mod.isSameFunction(mod.getModule)
raises(SystemError, mod.isSameFunction, 1)
def test_function_as_method(self):
# Unlike user functions, builtins don't become methods
mod = self.import_extension('foo', [
('f', 'METH_NOARGS',
'''
return PyLong_FromLong(42);
'''),
])
class A(object): pass
A.f = mod.f
A.g = lambda: 42
# Unbound method
assert A.f() == A.g() == 42
# Bound method
assert A().f() == 42
raises(TypeError, A().g)
def test_check(self):
mod = self.import_extension('foo', [
('check', 'METH_O',
'''
return PyLong_FromLong(PyCFunction_Check(args));
'''),
])
from math import degrees
assert mod.check(degrees) == 1
assert mod.check(list) == 0
assert mod.check(sorted) == 1
def func():
pass
class A(object):
def meth(self):
pass
@staticmethod
def stat():
pass
assert mod.check(func) == 0
assert mod.check(A) == 0
assert mod.check(A.meth) == 0
assert mod.check(A.stat) == 0
def test_module_attribute(self):
mod = self.import_extension('MyModule', [
('getarg_NO', 'METH_NOARGS',
'''
Py_INCREF(Py_None);
return Py_None;
'''
),
])
assert mod.getarg_NO() is None
assert mod.getarg_NO.__module__ == 'MyModule'
mod.getarg_NO.__module__ = 'foobar'
assert mod.getarg_NO.__module__ == 'foobar'
def test_callfunc(self):
mod = self.import_extension('foo', [
('callfunc', 'METH_VARARGS',
'''
PyObject *func, *argseq=NULL, *kwargs=NULL;
if (!PyArg_ParseTuple(args, "O|OO", &func, &argseq, &kwargs)) {
return NULL;
}
if (!PyCFunction_Check(func)) {
Py_RETURN_FALSE;
}
if (argseq == NULL) {
return PyCFunction_Call(func, NULL, NULL);
}
if (kwargs == NULL) {
return PyCFunction_Call(func, argseq, NULL);
}
return PyCFunction_Call(func, argseq, kwargs);
'''
),
# Define some C functions so we can test this
('func_NOARGS', 'METH_NOARGS',
'''
Py_RETURN_TRUE;
'''),
('func_KW', 'METH_VARARGS | METH_KEYWORDS',
'''
if (!kwargs) kwargs = Py_None;
return Py_BuildValue("OO", args, kwargs);
'''
),
])
ret = mod.callfunc(mod.func_NOARGS, ())
assert ret is True
ret = mod.callfunc(mod.func_KW, (1, 2, 3), {'a':'a', 'b':'b', 'c':'c'})
assert ret == ((1, 2, 3), {'a':'a', 'b':'b', 'c':'c'})
with raises(TypeError):
mod.callfunc(mod.func_NOARGS, (), {'a': 'a'})
with raises(TypeError):
mod.callfunc(mod.func_NOARGS, (1, 2, 3))
def test_wrapper(self):
# Copy the Cython 3.0.0alpha10 version of specmethodstring tests
mod = self.import_module(name="specmethdocstring")
c = mod.C()
assert c.__iter__.__doc__ == "usable docstring"
assert mod.C.__qualname__ == "C"
assert c.__iter__.__qualname__ == "C.__iter__"
assert type(c.__iter__).__doc__.startswith('instancemethod(function, instance)')
def test_module_name(self):
# issue 3993
mod = self.import_module(name="test_func")
assert mod.f.__module__ == "test_func"
def test_min_max(self):
mod = self.import_module(name="builtin_min_max")
mod.test_max2()
|
