/pypy/module/cpyext/test/test_eval.py
Python | 224 lines | 223 code | 1 blank | 0 comment | 0 complexity | 96c1a2b3c3f2cb5a27e0c1ce8b1dcf23 MD5 | raw file
- from pypy.rpython.lltypesystem import rffi, lltype
- from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
- from pypy.module.cpyext.test.test_api import BaseApiTest
- from pypy.module.cpyext.eval import (
- Py_single_input, Py_file_input, Py_eval_input)
- from pypy.module.cpyext.api import fopen, fclose, fileno, Py_ssize_tP
- from pypy.interpreter.gateway import interp2app
- from pypy.tool.udir import udir
- import sys, os
- class TestEval(BaseApiTest):
- def test_eval(self, space, api):
- w_l, w_f = space.fixedview(space.appexec([], """():
- l = []
- def f(arg1, arg2):
- l.append(arg1)
- l.append(arg2)
- return len(l)
- return l, f
- """))
- w_t = space.newtuple([space.wrap(1), space.wrap(2)])
- w_res = api.PyEval_CallObjectWithKeywords(w_f, w_t, None)
- assert space.int_w(w_res) == 2
- assert space.len_w(w_l) == 2
- w_f = space.appexec([], """():
- def f(*args, **kwds):
- assert isinstance(kwds, dict)
- assert 'xyz' in kwds
- return len(kwds) + len(args) * 10
- return f
- """)
- w_t = space.newtuple([space.w_None, space.w_None])
- w_d = space.newdict()
- space.setitem(w_d, space.wrap("xyz"), space.wrap(3))
- w_res = api.PyEval_CallObjectWithKeywords(w_f, w_t, w_d)
- assert space.int_w(w_res) == 21
- def test_call_object(self, space, api):
- w_l, w_f = space.fixedview(space.appexec([], """():
- l = []
- def f(arg1, arg2):
- l.append(arg1)
- l.append(arg2)
- return len(l)
- return l, f
- """))
- w_t = space.newtuple([space.wrap(1), space.wrap(2)])
- w_res = api.PyObject_CallObject(w_f, w_t)
- assert space.int_w(w_res) == 2
- assert space.len_w(w_l) == 2
- w_f = space.appexec([], """():
- def f(*args):
- assert isinstance(args, tuple)
- return len(args) + 8
- return f
- """)
- w_t = space.newtuple([space.wrap(1), space.wrap(2)])
- w_res = api.PyObject_CallObject(w_f, w_t)
- assert space.int_w(w_res) == 10
- def test_run_simple_string(self, space, api):
- def run(code):
- buf = rffi.str2charp(code)
- try:
- return api.PyRun_SimpleString(buf)
- finally:
- rffi.free_charp(buf)
- assert 0 == run("42 * 43")
-
- assert -1 == run("4..3 * 43")
-
- assert api.PyErr_Occurred()
- api.PyErr_Clear()
-
- def test_run_string(self, space, api):
- def run(code, start, w_globals, w_locals):
- buf = rffi.str2charp(code)
- try:
- return api.PyRun_String(buf, start, w_globals, w_locals)
- finally:
- rffi.free_charp(buf)
- w_globals = space.newdict()
- assert 42 * 43 == space.unwrap(
- run("42 * 43", Py_eval_input, w_globals, w_globals))
- assert api.PyObject_Size(w_globals) == 0
- assert run("a = 42 * 43", Py_single_input,
- w_globals, w_globals) == space.w_None
- assert 42 * 43 == space.unwrap(
- api.PyObject_GetItem(w_globals, space.wrap("a")))
- def test_run_file(self, space, api):
- filepath = udir / "cpyext_test_runfile.py"
- filepath.write("raise ZeroDivisionError")
- fp = fopen(str(filepath), "rb")
- filename = rffi.str2charp(str(filepath))
- w_globals = w_locals = space.newdict()
- api.PyRun_File(fp, filename, Py_file_input, w_globals, w_locals)
- fclose(fp)
- assert api.PyErr_Occurred() is space.w_ZeroDivisionError
- api.PyErr_Clear()
- # try again, but with a closed file
- fp = fopen(str(filepath), "rb")
- os.close(fileno(fp))
- api.PyRun_File(fp, filename, Py_file_input, w_globals, w_locals)
- fclose(fp)
- assert api.PyErr_Occurred() is space.w_IOError
- api.PyErr_Clear()
- rffi.free_charp(filename)
- def test_getbuiltins(self, space, api):
- assert api.PyEval_GetBuiltins() is space.builtin.w_dict
- def cpybuiltins(space):
- return api.PyEval_GetBuiltins()
- w_cpybuiltins = space.wrap(interp2app(cpybuiltins))
- w_result = space.appexec([w_cpybuiltins], """(cpybuiltins):
- return cpybuiltins() is __builtins__.__dict__
- """)
- assert space.is_true(w_result)
- w_result = space.appexec([w_cpybuiltins], """(cpybuiltins):
- d = dict(__builtins__={'len':len}, cpybuiltins=cpybuiltins)
- return eval("cpybuiltins()", d, d)
- """)
- assert space.len_w(w_result) == 1
- def test_getglobals(self, space, api):
- assert api.PyEval_GetLocals() is None
- assert api.PyEval_GetGlobals() is None
- def cpyvars(space):
- return space.newtuple([api.PyEval_GetGlobals(),
- api.PyEval_GetLocals()])
- w_cpyvars = space.wrap(interp2app(cpyvars))
- w_result = space.appexec([w_cpyvars], """(cpyvars):
- x = 1
- return cpyvars()
- \ny = 2
- """)
- globals, locals = space.unwrap(w_result)
- assert sorted(locals) == ['cpyvars', 'x']
- assert sorted(globals) == ['__builtins__', 'anonymous', 'y']
- def test_sliceindex(self, space, api):
- pi = lltype.malloc(Py_ssize_tP.TO, 1, flavor='raw')
- assert api._PyEval_SliceIndex(space.w_None, pi) == 0
- api.PyErr_Clear()
- assert api._PyEval_SliceIndex(space.wrap(123), pi) == 1
- assert pi[0] == 123
- assert api._PyEval_SliceIndex(space.wrap(1 << 66), pi) == 1
- assert pi[0] == sys.maxint
- lltype.free(pi, flavor='raw')
- def test_atexit(self, space, api):
- lst = []
- def func():
- lst.append(42)
- api.Py_AtExit(func)
- cpyext = space.getbuiltinmodule('cpyext')
- cpyext.shutdown(space) # simulate shutdown
- assert lst == [42]
- class AppTestCall(AppTestCpythonExtensionBase):
- def test_CallFunction(self):
- module = self.import_extension('foo', [
- ("call_func", "METH_VARARGS",
- """
- return PyObject_CallFunction(PyTuple_GetItem(args, 0),
- "siO", "text", 42, Py_None);
- """),
- ("call_method", "METH_VARARGS",
- """
- return PyObject_CallMethod(PyTuple_GetItem(args, 0),
- "count", "s", "t");
- """),
- ])
- def f(*args):
- return args
- assert module.call_func(f) == ("text", 42, None)
- assert module.call_method("text") == 2
- def test_CallFunctionObjArgs(self):
- module = self.import_extension('foo', [
- ("call_func", "METH_VARARGS",
- """
- PyObject *t = PyString_FromString("t");
- PyObject *res = PyObject_CallFunctionObjArgs(
- PyTuple_GetItem(args, 0),
- Py_None, NULL);
- Py_DECREF(t);
- return res;
- """),
- ("call_method", "METH_VARARGS",
- """
- PyObject *t = PyString_FromString("t");
- PyObject *count = PyString_FromString("count");
- PyObject *res = PyObject_CallMethodObjArgs(
- PyTuple_GetItem(args, 0),
- count, t, NULL);
- Py_DECREF(t);
- Py_DECREF(count);
- return res;
- """),
- ])
- def f(*args):
- return args
- assert module.call_func(f) == (None,)
- assert module.call_method("text") == 2
-