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bpo-30534: Fixed error messages when pass keyword arguments (#1901)

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to functions implemented in C that don't support this.

Also unified error messages for functions that don't take positional or keyword
arguments.
This commit is contained in:
Serhiy Storchaka 2017-06-06 18:45:22 +03:00 • committed by GitHub
parent 5cefb6cfdd
commit 5eb788bf7f
5 changed files with 116 additions and 45 deletions
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48
Python/getargs.c
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@ -1704,13 +1704,21 @@ vgetargskeywords(PyObject *args, PyObject *kwargs, const char *format,
break;
}
if (max < nargs) {
PyErr_Format(PyExc_TypeError,
"%.200s%s takes %s %d positional arguments"
" (%d given)",
(fname == NULL) ? "function" : fname,
(fname == NULL) ? "" : "()",
(min != INT_MAX) ? "at most" : "exactly",
max, nargs);
if (max == 0) {
PyErr_Format(PyExc_TypeError,
"%.200s%s takes no positional arguments",
(fname == NULL) ? "function" : fname,
(fname == NULL) ? "" : "()");
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s%s takes %s %d positional arguments"
" (%d given)",
(fname == NULL) ? "function" : fname,
(fname == NULL) ? "" : "()",
(min != INT_MAX) ? "at most" : "exactly",
max, nargs);
}
return cleanreturn(0, &freelist);
}
}
@ -2079,12 +2087,20 @@ vgetargskeywordsfast_impl(PyObject **args, Py_ssize_t nargs,
return cleanreturn(0, &freelist);
}
if (parser->max < nargs) {
PyErr_Format(PyExc_TypeError,
"%200s%s takes %s %d positional arguments (%d given)",
(parser->fname == NULL) ? "function" : parser->fname,
(parser->fname == NULL) ? "" : "()",
(parser->min != INT_MAX) ? "at most" : "exactly",
parser->max, nargs);
if (parser->max == 0) {
PyErr_Format(PyExc_TypeError,
"%200s%s takes no positional arguments",
(parser->fname == NULL) ? "function" : parser->fname,
(parser->fname == NULL) ? "" : "()");
}
else {
PyErr_Format(PyExc_TypeError,
"%200s%s takes %s %d positional arguments (%d given)",
(parser->fname == NULL) ? "function" : parser->fname,
(parser->fname == NULL) ? "" : "()",
(parser->min != INT_MAX) ? "at most" : "exactly",
parser->max, nargs);
}
return cleanreturn(0, &freelist);
}
@ -2489,7 +2505,7 @@ _PyArg_NoKeywords(const char *funcname, PyObject *kwargs)
return 1;
}
PyErr_Format(PyExc_TypeError, "%.200s does not take keyword arguments",
PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
funcname);
return 0;
}
@ -2506,7 +2522,7 @@ _PyArg_NoStackKeywords(const char *funcname, PyObject *kwnames)
return 1;
}
PyErr_Format(PyExc_TypeError, "%.200s does not take keyword arguments",
PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
funcname);
return 0;
}
@ -2524,7 +2540,7 @@ _PyArg_NoPositional(const char *funcname, PyObject *args)
if (PyTuple_GET_SIZE(args) == 0)
return 1;
PyErr_Format(PyExc_TypeError, "%.200s does not take positional arguments",
PyErr_Format(PyExc_TypeError, "%.200s() takes no positional arguments",
funcname);
return 0;
}