bpo-29951: Include function name for some error messages in `PyArg_ParseTuple*` (#916)
Also changed format specifier for function name from "%s" to "%.200s" and exception messages should start with lowercase letter.
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a2a9ddd923
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64c8f705c0
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@ -533,19 +533,19 @@ class SkipitemTest(unittest.TestCase):
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parse((1, 2, 3), {}, b'OOO', ['', '', 'a'])
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parse((1, 2), {'a': 3}, b'OOO', ['', '', 'a'])
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with self.assertRaisesRegex(TypeError,
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r'Function takes at least 2 positional arguments \(1 given\)'):
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r'function takes at least 2 positional arguments \(1 given\)'):
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parse((1,), {'a': 3}, b'OOO', ['', '', 'a'])
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parse((1,), {}, b'O|OO', ['', '', 'a'])
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with self.assertRaisesRegex(TypeError,
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r'Function takes at least 1 positional arguments \(0 given\)'):
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r'function takes at least 1 positional arguments \(0 given\)'):
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parse((), {}, b'O|OO', ['', '', 'a'])
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parse((1, 2), {'a': 3}, b'OO$O', ['', '', 'a'])
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with self.assertRaisesRegex(TypeError,
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r'Function takes exactly 2 positional arguments \(1 given\)'):
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r'function takes exactly 2 positional arguments \(1 given\)'):
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parse((1,), {'a': 3}, b'OO$O', ['', '', 'a'])
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parse((1,), {}, b'O|O$O', ['', '', 'a'])
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with self.assertRaisesRegex(TypeError,
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r'Function takes at least 1 positional arguments \(0 given\)'):
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r'function takes at least 1 positional arguments \(0 given\)'):
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parse((), {}, b'O|O$O', ['', '', 'a'])
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with self.assertRaisesRegex(SystemError, r'Empty parameter name after \$'):
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parse((1,), {}, b'O|$OO', ['', '', 'a'])
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@ -1090,7 +1090,7 @@ class ImportErrorTests(unittest.TestCase):
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self.assertEqual(exc.name, 'somename')
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self.assertEqual(exc.path, 'somepath')
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msg = "'invalid' is an invalid keyword argument for this function"
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msg = "'invalid' is an invalid keyword argument for ImportError"
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with self.assertRaisesRegex(TypeError, msg):
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ImportError('test', invalid='keyword')
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@ -553,7 +553,8 @@ class Keywords_TestCase(unittest.TestCase):
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try:
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getargs_keywords(arg1=(1,2))
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except TypeError as err:
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self.assertEqual(str(err), "Required argument 'arg2' (pos 2) not found")
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self.assertEqual(
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str(err), "function missing required argument 'arg2' (pos 2)")
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else:
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self.fail('TypeError should have been raised')
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@ -626,16 +627,16 @@ class KeywordOnly_TestCase(unittest.TestCase):
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)
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# required arg missing
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with self.assertRaisesRegex(TypeError,
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r"Required argument 'required' \(pos 1\) not found"):
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r"function missing required argument 'required' \(pos 1\)"):
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getargs_keyword_only(optional=2)
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with self.assertRaisesRegex(TypeError,
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r"Required argument 'required' \(pos 1\) not found"):
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r"function missing required argument 'required' \(pos 1\)"):
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getargs_keyword_only(keyword_only=3)
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def test_too_many_args(self):
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with self.assertRaisesRegex(TypeError,
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r"Function takes at most 2 positional arguments \(3 given\)"):
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r"function takes at most 2 positional arguments \(3 given\)"):
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getargs_keyword_only(1, 2, 3)
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with self.assertRaisesRegex(TypeError,
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@ -674,11 +675,11 @@ class PositionalOnlyAndKeywords_TestCase(unittest.TestCase):
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self.assertEqual(self.getargs(1), (1, -1, -1))
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# required positional arg missing
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with self.assertRaisesRegex(TypeError,
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r"Function takes at least 1 positional arguments \(0 given\)"):
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r"function takes at least 1 positional arguments \(0 given\)"):
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self.getargs()
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with self.assertRaisesRegex(TypeError,
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r"Function takes at least 1 positional arguments \(0 given\)"):
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r"function takes at least 1 positional arguments \(0 given\)"):
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self.getargs(keyword=3)
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def test_empty_keyword(self):
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@ -1584,7 +1584,7 @@ PyArg_ValidateKeywordArguments(PyObject *kwargs)
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}
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if (!_PyDict_HasOnlyStringKeys(kwargs)) {
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PyErr_SetString(PyExc_TypeError,
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"keyword arguments must be strings");
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"keywords must be strings");
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return 0;
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}
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return 1;
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@ -1655,7 +1655,7 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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nkwargs = (kwargs == NULL) ? 0 : PyDict_GET_SIZE(kwargs);
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if (nargs + nkwargs > len) {
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PyErr_Format(PyExc_TypeError,
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"%s%s takes at most %d argument%s (%zd given)",
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"%.200s%s takes at most %d argument%s (%zd given)",
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(fname == NULL) ? "function" : fname,
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(fname == NULL) ? "" : "()",
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len,
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@ -1705,8 +1705,10 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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}
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if (max < nargs) {
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PyErr_Format(PyExc_TypeError,
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"Function takes %s %d positional arguments"
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"%.200s%s takes %s %d positional arguments"
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" (%d given)",
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(fname == NULL) ? "function" : fname,
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(fname == NULL) ? "" : "()",
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(min != INT_MAX) ? "at most" : "exactly",
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max, nargs);
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return cleanreturn(0, &freelist);
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@ -1752,8 +1754,10 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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* or the end of the format. */
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}
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else {
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PyErr_Format(PyExc_TypeError, "Required argument "
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"'%s' (pos %d) not found",
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PyErr_Format(PyExc_TypeError, "%.200s%s missing required "
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"argument '%s' (pos %d)",
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(fname == NULL) ? "function" : fname,
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(fname == NULL) ? "" : "()",
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kwlist[i], i+1);
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return cleanreturn(0, &freelist);
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}
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@ -1779,8 +1783,10 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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if (skip) {
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PyErr_Format(PyExc_TypeError,
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"Function takes %s %d positional arguments"
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"%.200s%s takes %s %d positional arguments"
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" (%d given)",
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(fname == NULL) ? "function" : fname,
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(fname == NULL) ? "" : "()",
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(Py_MIN(pos, min) < i) ? "at least" : "exactly",
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Py_MIN(pos, min), nargs);
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return cleanreturn(0, &freelist);
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@ -1802,8 +1808,10 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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if (current_arg) {
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/* arg present in tuple and in dict */
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PyErr_Format(PyExc_TypeError,
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"Argument given by name ('%s') "
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"argument for %.200s%s given by name ('%s') "
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"and position (%d)",
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(fname == NULL) ? "function" : fname,
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(fname == NULL) ? "" : "()",
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kwlist[i], i+1);
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return cleanreturn(0, &freelist);
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}
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@ -1826,8 +1834,10 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
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if (!match) {
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PyErr_Format(PyExc_TypeError,
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"'%U' is an invalid keyword "
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"argument for this function",
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key);
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"argument for %.200s%s",
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key,
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(fname == NULL) ? "this function" : fname,
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(fname == NULL) ? "" : "()");
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return cleanreturn(0, &freelist);
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}
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}
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@ -2060,7 +2070,7 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
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}
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if (nargs + nkwargs > len) {
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PyErr_Format(PyExc_TypeError,
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"%s%s takes at most %d argument%s (%zd given)",
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"%.200s%s takes at most %d argument%s (%zd given)",
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(parser->fname == NULL) ? "function" : parser->fname,
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(parser->fname == NULL) ? "" : "()",
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len,
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@ -2070,7 +2080,9 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
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}
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if (parser->max < nargs) {
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PyErr_Format(PyExc_TypeError,
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"Function takes %s %d positional arguments (%d given)",
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"%200s%s takes %s %d positional arguments (%d given)",
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(parser->fname == NULL) ? "function" : parser->fname,
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(parser->fname == NULL) ? "" : "()",
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(parser->min != INT_MAX) ? "at most" : "exactly",
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parser->max, nargs);
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return cleanreturn(0, &freelist);
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@ -2115,15 +2127,19 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
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if (i < pos) {
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Py_ssize_t min = Py_MIN(pos, parser->min);
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PyErr_Format(PyExc_TypeError,
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"Function takes %s %d positional arguments"
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"%.200s%s takes %s %d positional arguments"
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" (%d given)",
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(parser->fname == NULL) ? "function" : parser->fname,
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(parser->fname == NULL) ? "" : "()",
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min < parser->max ? "at least" : "exactly",
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min, nargs);
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}
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else {
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keyword = PyTuple_GET_ITEM(kwtuple, i - pos);
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PyErr_Format(PyExc_TypeError, "Required argument "
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"'%U' (pos %d) not found",
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PyErr_Format(PyExc_TypeError, "%.200s%s missing required "
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"argument '%U' (pos %d)",
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(parser->fname == NULL) ? "function" : parser->fname,
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(parser->fname == NULL) ? "" : "()",
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keyword, i+1);
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}
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return cleanreturn(0, &freelist);
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@ -2153,8 +2169,10 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
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if (current_arg) {
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/* arg present in tuple and in dict */
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PyErr_Format(PyExc_TypeError,
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"Argument given by name ('%U') "
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"argument for %.200s%s given by name ('%U') "
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"and position (%d)",
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(parser->fname == NULL) ? "function" : parser->fname,
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(parser->fname == NULL) ? "" : "()",
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keyword, i+1);
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return cleanreturn(0, &freelist);
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}
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@ -2184,8 +2202,10 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
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if (!match) {
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PyErr_Format(PyExc_TypeError,
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"'%U' is an invalid keyword "
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"argument for this function",
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keyword);
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"argument for %.200s%s",
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keyword,
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(parser->fname == NULL) ? "this function" : parser->fname,
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(parser->fname == NULL) ? "" : "()");
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}
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return cleanreturn(0, &freelist);
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}
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@ -2365,7 +2385,7 @@ unpack_stack(PyObject **args, Py_ssize_t nargs, const char *name,
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if (name != NULL)
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PyErr_Format(
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PyExc_TypeError,
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"%s expected %s%zd arguments, got %zd",
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"%.200s expected %s%zd arguments, got %zd",
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name, (min == max ? "" : "at least "), min, nargs);
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else
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PyErr_Format(
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@ -2384,7 +2404,7 @@ unpack_stack(PyObject **args, Py_ssize_t nargs, const char *name,
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if (name != NULL)
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PyErr_Format(
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PyExc_TypeError,
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"%s expected %s%zd arguments, got %zd",
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"%.200s expected %s%zd arguments, got %zd",
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name, (min == max ? "" : "at most "), max, nargs);
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else
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PyErr_Format(
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@ -2469,7 +2489,7 @@ _PyArg_NoKeywords(const char *funcname, PyObject *kwargs)
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return 1;
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}
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PyErr_Format(PyExc_TypeError, "%s does not take keyword arguments",
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PyErr_Format(PyExc_TypeError, "%.200s does not take keyword arguments",
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funcname);
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return 0;
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}
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@ -2486,7 +2506,7 @@ _PyArg_NoStackKeywords(const char *funcname, PyObject *kwnames)
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return 1;
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}
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PyErr_Format(PyExc_TypeError, "%s does not take keyword arguments",
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PyErr_Format(PyExc_TypeError, "%.200s does not take keyword arguments",
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funcname);
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return 0;
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}
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@ -2504,7 +2524,7 @@ _PyArg_NoPositional(const char *funcname, PyObject *args)
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if (PyTuple_GET_SIZE(args) == 0)
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return 1;
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PyErr_Format(PyExc_TypeError, "%s does not take positional arguments",
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PyErr_Format(PyExc_TypeError, "%.200s does not take positional arguments",
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funcname);
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return 0;
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}
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