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Commit 0be9cd1b authored by Stefan Behnel's avatar Stefan Behnel
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more accurate exception messages when passing a wrong argument count (adapted to Py3)

parent a990eae9
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Showing with 83 additions and 83 deletions
Cython/Compiler/Nodes.py
View file @ 0be9cd1b
......@@ -1683,7 +1683,7 @@ class DefNode(FuncDefNode):
def generate_stararg_copy_code(self, code):
if not self.star_arg:
self.generate_positional_args_check(0, code)
self.generate_positional_args_check(0, True, code)
code.globalstate.use_utility_code(keyword_string_check_utility_code)
......@@ -1760,7 +1760,9 @@ class DefNode(FuncDefNode):
max_args = max_positional_args + len(kw_only_args)
if not self.star_arg:
self.generate_positional_args_check(max_positional_args, code)
has_fixed_positional_count = min_positional_args == max_positional_args
self.generate_positional_args_check(
max_positional_args, has_fixed_positional_count, code)
if self.star_arg or self.starstar_arg:
self.generate_stararg_getting_code(max_positional_args, code)
......@@ -1834,10 +1836,11 @@ class DefNode(FuncDefNode):
code.putln('}')
else:
# check if we have all required positional arguments
exact_count = not self.star_arg and min_positional_args == max_positional_args
code.putln('} else if (unlikely(PyTuple_GET_SIZE(%s) < %d)) {' % (
Naming.args_cname, min_positional_args))
code.put('__Pyx_RaiseArgtupleInvalid("%s", %d, %d, PyTuple_GET_SIZE(%s)); ' % (
self.name.utf8encode(), min_positional_args,
code.put('__Pyx_RaiseArgtupleInvalid("%s", %d, %d, %d, PyTuple_GET_SIZE(%s)); ' % (
self.name.utf8encode(), exact_count, min_positional_args,
max_positional_args, Naming.args_cname))
code.putln(code.error_goto(self.pos))
......@@ -1856,13 +1859,15 @@ class DefNode(FuncDefNode):
code.putln('}')
return
def generate_positional_args_check(self, max_positional_args, code):
def generate_positional_args_check(self, max_positional_args,
has_fixed_pos_count, code):
# make sure supernumerous positional arguments do not run
# into keyword-only arguments and provide a helpful message
code.putln("if (unlikely(PyTuple_GET_SIZE(%s) > %d)) {" % (
Naming.args_cname, max_positional_args))
code.putln('__Pyx_RaiseArgtupleInvalid("%s", 0, %d, PyTuple_GET_SIZE(%s));' % (
self.name.utf8encode(), max_positional_args, Naming.args_cname))
code.putln('__Pyx_RaiseArgtupleInvalid("%s", %d, 0, %d, PyTuple_GET_SIZE(%s));' % (
self.name.utf8encode(), has_fixed_pos_count,
max_positional_args, Naming.args_cname))
code.putln("return %s;" % self.error_value())
code.putln("}")
......@@ -4303,41 +4308,39 @@ static INLINE int __Pyx_SplitStarArg(
raise_argtuple_invalid_utility_code = [
"""
static INLINE void __Pyx_RaiseArgtupleInvalid(char* func_name,
static void __Pyx_RaiseArgtupleInvalid(char* func_name, int exact,
Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
""","""
static INLINE void __Pyx_RaiseArgtupleInvalid(
static void __Pyx_RaiseArgtupleInvalid(
char* func_name,
int exact,
Py_ssize_t num_min,
Py_ssize_t num_max,
Py_ssize_t num_found)
{
Py_ssize_t num_expected;
char* message;
char *message, *number, *more_or_less;
if (num_found < num_min) {
num_expected = num_min;
message =
#if PY_VERSION_HEX < 0x02050000
"%s() takes at least %d positional arguments (%d given)";
#elif PY_MAJOR_VERSION >= 3
"%U() takes at most %zd positional arguments (%zd given)";
"%s() takes %s %d positional argument%s (%d given)";
#else
"%s() takes at least %zd positional arguments (%zd given)";
"%s() takes %s %zd positional argument%s (%zd given)";
#endif
if (num_found < num_min) {
num_expected = num_min;
more_or_less = "at least";
} else {
num_expected = num_max;
message =
#if PY_VERSION_HEX < 0x02050000
"%s() takes at most %d positional arguments (%d given)";
#elif PY_MAJOR_VERSION >= 3
"%U() takes at most %zd positional arguments (%zd given)";
#else
"%s() takes at most %zd positional arguments (%zd given)";
#endif
more_or_less = "at most";
}
if (exact) {
more_or_less = "exactly";
}
PyErr_Format(PyExc_TypeError, message, func_name,
num_expected, num_found);
number = (num_expected == 1) ? "" : "s";
PyErr_Format(PyExc_TypeError, message, func_name, more_or_less,
num_expected, number, num_found);
}
"""]
......
tests/run/classkwonlyargs.pyx
View file @ 0be9cd1b
......@@ -5,7 +5,7 @@ __doc__ = u"""
>>> b(1,2,3)
>>> b(1,2,3,4)
Traceback (most recent call last):
TypeError: b() takes at most 4 positional arguments (5 given)
TypeError: b() takes exactly 4 positional arguments (5 given)
>>> c(1,2)
>>> c(1,2,3)
......@@ -18,7 +18,7 @@ __doc__ = u"""
>>> d(1,2,3)
Traceback (most recent call last):
TypeError: d() takes at most 3 positional arguments (4 given)
TypeError: d() takes exactly 3 positional arguments (4 given)
>>> d(1,2, d=1)
Traceback (most recent call last):
TypeError: 'd' is an invalid keyword argument for this function
......@@ -37,7 +37,7 @@ __doc__ = u"""
>>> f(1,2,3)
Traceback (most recent call last):
TypeError: f() takes at most 3 positional arguments (4 given)
TypeError: f() takes exactly 3 positional arguments (4 given)
>>> f(1,2)
Traceback (most recent call last):
TypeError: f() needs keyword-only argument c
......@@ -49,9 +49,9 @@ __doc__ = u"""
>>> g(1,2, c=1, e=0, f=2, d=11)
>>> g(1,2, c=1, f=2, e=0, x=25)
>>> g(1,2,3) #doctest: +ELLIPSIS
>>> g(1,2,3)
Traceback (most recent call last):
TypeError: g() takes at most 3 positional arguments (4 given)
TypeError: g() takes exactly 3 positional arguments (4 given)
>>> g(1,2)
Traceback (most recent call last):
TypeError: g() needs keyword-only argument c
......@@ -84,14 +84,6 @@ __doc__ = u"""
TypeError: k() needs keyword-only argument f
"""
import sys, re
if sys.version_info >= (2,6):
__doc__ = re.sub(u"Error: (.*)exactly(.*)", u"Error: \\1at most\\2", __doc__)
import sys, re
if sys.version_info >= (2,6):
__doc__ = re.sub(u"(ELLIPSIS[^>]*Error: )[^\n]*\n", u"\\1...\n", __doc__, re.M)
class Spam:
def b(self, a, b, c):
pass
......
tests/run/extkwonlyargs.pyx
View file @ 0be9cd1b
......@@ -5,7 +5,7 @@ __doc__ = u"""
>>> b(1,2,3)
>>> b(1,2,3,4)
Traceback (most recent call last):
TypeError: b() takes at most 3 positional arguments (4 given)
TypeError: b() takes exactly 3 positional arguments (4 given)
>>> c(1,2)
>>> c(1,2,3)
......@@ -18,7 +18,7 @@ __doc__ = u"""
>>> d(1,2,3)
Traceback (most recent call last):
TypeError: d() takes at most 2 positional arguments (3 given)
TypeError: d() takes exactly 2 positional arguments (3 given)
>>> d(1,2, d=1)
Traceback (most recent call last):
TypeError: 'd' is an invalid keyword argument for this function
......@@ -37,7 +37,7 @@ __doc__ = u"""
>>> f(1,2,3)
Traceback (most recent call last):
TypeError: f() takes at most 2 positional arguments (3 given)
TypeError: f() takes exactly 2 positional arguments (3 given)
>>> f(1,2)
Traceback (most recent call last):
TypeError: f() needs keyword-only argument c
......@@ -51,7 +51,7 @@ __doc__ = u"""
>>> g(1,2,3)
Traceback (most recent call last):
TypeError: g() takes at most 2 positional arguments (3 given)
TypeError: g() takes exactly 2 positional arguments (3 given)
>>> g(1,2)
Traceback (most recent call last):
TypeError: g() needs keyword-only argument c
......
tests/run/extstarargs.pyx
View file @ 0be9cd1b
......@@ -5,12 +5,12 @@ __doc__ = u"""
>>> spam(1,2,3)
(1, 2, 3)
>>> spam(1,2) #doctest: +ELLIPSIS
>>> spam(1,2)
Traceback (most recent call last):
TypeError: spam() takes at least 3 positional arguments (2 given)
TypeError: spam() takes exactly 3 positional arguments (2 given)
>>> spam(1,2,3,4)
Traceback (most recent call last):
TypeError: spam() takes at most 3 positional arguments (4 given)
TypeError: spam() takes exactly 3 positional arguments (4 given)
>>> spam(1,2,3, a=1) #doctest: +ELLIPSIS
Traceback (most recent call last):
TypeError: 'a' is an invalid keyword argument for this function
......@@ -21,9 +21,9 @@ __doc__ = u"""
(1, 2, 3, (4,))
>>> grail(1,2,3,4,5,6,7,8,9)
(1, 2, 3, (4, 5, 6, 7, 8, 9))
>>> grail(1,2) #doctest: +ELLIPSIS
>>> grail(1,2)
Traceback (most recent call last):
TypeError: grail() takes exactly 3 arguments (2 given)
TypeError: grail() takes at least 3 positional arguments (2 given)
>>> grail(1,2,3, a=1) #doctest: +ELLIPSIS
Traceback (most recent call last):
TypeError: 'a' is an invalid keyword argument for this function
......@@ -32,7 +32,7 @@ __doc__ = u"""
(1, 2, 3, ())
>>> swallow(1,2,3,4)
Traceback (most recent call last):
TypeError: swallow() takes at most 3 positional arguments (4 given)
TypeError: swallow() takes exactly 3 positional arguments (4 given)
>>> swallow(1,2,3, a=1, b=2)
(1, 2, 3, (('a', 1), ('b', 2)))
>>> swallow(1,2,3, x=1) #doctest: +ELLIPSIS
......@@ -68,13 +68,13 @@ __doc__ = u"""
(('a', 1), ('b', 2))
>>> onlyk(1)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (1 given)
TypeError: onlyk() takes exactly 0 positional arguments (1 given)
>>> onlyk(1, 2)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (2 given)
TypeError: onlyk() takes exactly 0 positional arguments (2 given)
>>> onlyk(1, a=1, b=2)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (1 given)
TypeError: onlyk() takes exactly 0 positional arguments (1 given)
>>> tk(a=1)
(('a', 1),)
......
tests/run/kwonlyargs.pyx
View file @ 0be9cd1b
......@@ -2,7 +2,7 @@ __doc__ = u"""
>>> b(1,2,3)
>>> b(1,2,3,4)
Traceback (most recent call last):
TypeError: b() takes at most 3 positional arguments (4 given)
TypeError: b() takes exactly 3 positional arguments (4 given)
>>> c(1,2)
>>> c(1,2,3)
......@@ -15,7 +15,7 @@ __doc__ = u"""
>>> d(1,2,3)
Traceback (most recent call last):
TypeError: d() takes at most 2 positional arguments (3 given)
TypeError: d() takes exactly 2 positional arguments (3 given)
>>> d(1,2, d=1)
Traceback (most recent call last):
TypeError: 'd' is an invalid keyword argument for this function
......@@ -34,7 +34,7 @@ __doc__ = u"""
>>> f(1,2,3)
Traceback (most recent call last):
TypeError: f() takes at most 2 positional arguments (3 given)
TypeError: f() takes exactly 2 positional arguments (3 given)
>>> f(1,2)
Traceback (most recent call last):
TypeError: f() needs keyword-only argument c
......@@ -48,7 +48,7 @@ __doc__ = u"""
>>> g(1,2,3)
Traceback (most recent call last):
TypeError: g() takes at most 2 positional arguments (3 given)
TypeError: g() takes exactly 2 positional arguments (3 given)
>>> g(1,2)
Traceback (most recent call last):
TypeError: g() needs keyword-only argument c
......@@ -79,6 +79,16 @@ __doc__ = u"""
>>> k(1,2, d=1)
Traceback (most recent call last):
TypeError: k() needs keyword-only argument f
>>> l(a=1, b=2)
>>> l(a=1, b=2, c=1)
>>> l(1,2,3)
Traceback (most recent call last):
TypeError: l() takes exactly 0 positional arguments (3 given)
>>> l(1,2, d=1)
Traceback (most recent call last):
TypeError: l() takes exactly 0 positional arguments (2 given)
"""
def b(a, b, c):
......@@ -104,3 +114,6 @@ def h(a, b, *args, c, d = 42, e = 17, f, **kwds):
def k(a, b, c=1, *args, d = 42, e = 17, f, **kwds):
pass
def l(*, a, b, c = 88):
pass
tests/run/kwonlyargscall.pyx
View file @ 0be9cd1b
......@@ -3,7 +3,7 @@ __doc__ = u"""
1 2 3
>>> call4(b)
Traceback (most recent call last):
TypeError: b() takes at most 3 positional arguments (4 given)
TypeError: b() takes exactly 3 positional arguments (4 given)
>>> call2(c)
1 2 1
......@@ -20,7 +20,7 @@ __doc__ = u"""
>>> call3(d)
Traceback (most recent call last):
TypeError: d() takes at most 2 positional arguments (3 given)
TypeError: d() takes exactly 2 positional arguments (3 given)
>>> call2d(d)
Traceback (most recent call last):
TypeError: 'd' is an invalid keyword argument for this function
......@@ -46,7 +46,7 @@ __doc__ = u"""
>>> call3(f)
Traceback (most recent call last):
TypeError: f() takes at most 2 positional arguments (3 given)
TypeError: f() takes exactly 2 positional arguments (3 given)
>>> call2(f)
Traceback (most recent call last):
TypeError: f() needs keyword-only argument c
......@@ -63,7 +63,7 @@ __doc__ = u"""
>>> call3(g)
Traceback (most recent call last):
TypeError: g() takes at most 2 positional arguments (3 given)
TypeError: g() takes exactly 2 positional arguments (3 given)
>>> call2(g)
Traceback (most recent call last):
TypeError: g() needs keyword-only argument c
......@@ -104,10 +104,6 @@ __doc__ = u"""
TypeError: k() needs keyword-only argument f
"""
import sys, re
if sys.version_info >= (2,6):
__doc__ = re.sub(u"Error: (.*)exactly(.*)", u"Error: \\1at most\\2", __doc__)
# the calls:
def call2(f):
......
tests/run/simpcall.pyx
View file @ 0be9cd1b
......@@ -4,19 +4,15 @@ __doc__ = u"""
Traceback (most recent call last):
TypeError: an integer is required
>>> fail0(1,2) #doctest: +ELLIPSIS
>>> fail0(1,2)
Traceback (most recent call last):
TypeError: function takes exactly 2 arguments (0 given)
TypeError: f() takes exactly 2 positional arguments (0 given)
>>> fail1(1,2) #doctest: +ELLIPSIS
>>> fail1(1,2)
Traceback (most recent call last):
TypeError: function takes exactly 2 arguments (1 given)
TypeError: f() takes exactly 2 positional arguments (1 given)
"""
import sys, re
if sys.version_info >= (2,6):
__doc__ = re.sub(u"Error: .*exactly.*", u"Error: ...", __doc__)
import sys
if sys.version_info[0] < 3:
__doc__ = __doc__.replace(u" b'", u" '")
......
tests/run/starargs.pyx
View file @ 0be9cd1b
__doc__ = u"""
>>> spam(1,2,3)
(1, 2, 3)
>>> spam(1,2) #doctest: +ELLIPSIS
>>> spam(1,2)
Traceback (most recent call last):
TypeError: spam() takes at least 3 positional arguments (2 given)
TypeError: spam() takes exactly 3 positional arguments (2 given)
>>> spam(1,2,3,4)
Traceback (most recent call last):
TypeError: spam() takes at most 3 positional arguments (4 given)
>>> spam(1,2,3, a=1) #doctest: +ELLIPSIS
TypeError: spam() takes exactly 3 positional arguments (4 given)
>>> spam(1,2,3, a=1)
Traceback (most recent call last):
TypeError: 'a' is an invalid keyword argument for this function
......@@ -17,10 +17,10 @@ __doc__ = u"""
(1, 2, 3, (4,))
>>> grail(1,2,3,4,5,6,7,8,9)
(1, 2, 3, (4, 5, 6, 7, 8, 9))
>>> grail(1,2) #doctest: +ELLIPSIS
>>> grail(1,2)
Traceback (most recent call last):
TypeError: grail() takes at least 3 positional arguments (2 given)
>>> grail(1,2,3, a=1) #doctest: +ELLIPSIS
>>> grail(1,2,3, a=1)
Traceback (most recent call last):
TypeError: 'a' is an invalid keyword argument for this function
......@@ -28,7 +28,7 @@ __doc__ = u"""
(1, 2, 3, ())
>>> swallow(1,2,3,4)
Traceback (most recent call last):
TypeError: swallow() takes at most 3 positional arguments (4 given)
TypeError: swallow() takes exactly 3 positional arguments (4 given)
>>> swallow(1,2,3, a=1, b=2)
(1, 2, 3, (('a', 1), ('b', 2)))
>>> swallow(1,2,3, x=1) #doctest: +ELLIPSIS
......@@ -64,13 +64,13 @@ __doc__ = u"""
(('a', 1), ('b', 2))
>>> onlyk(1)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (1 given)
TypeError: onlyk() takes exactly 0 positional arguments (1 given)
>>> onlyk(1, 2)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (2 given)
TypeError: onlyk() takes exactly 0 positional arguments (2 given)
>>> onlyk(1, a=1, b=2)
Traceback (most recent call last):
TypeError: onlyk() takes at most 0 positional arguments (1 given)
TypeError: onlyk() takes exactly 0 positional arguments (1 given)
>>> tk(a=1)
(('a', 1),)
......
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