Author: Armin Rigo <ar...@tunes.org>
Branch: py3k
Changeset: r87329:37ab7781ce67
Date: 2016-09-22 17:48 +0200
http://bitbucket.org/pypy/pypy/changeset/37ab7781ce67/
Log: Test and fix: correctly count the number of kwonly argument given,
for the error message
diff --git a/pypy/interpreter/argument.py b/pypy/interpreter/argument.py
--- a/pypy/interpreter/argument.py
+++ b/pypy/interpreter/argument.py
@@ -198,7 +198,6 @@
input_argcount += take
# collect extra positional arguments into the *vararg
- kwonly_given = 0
if signature.has_vararg():
args_left = co_argcount - upfront
if args_left < 0: # check required by rpython
@@ -212,9 +211,6 @@
loc = co_argcount + co_kwonlyargcount
scope_w[loc] = self.space.newtuple(starargs_w)
elif avail > co_argcount:
- for i in range(co_argcount, co_argcount + co_kwonlyargcount):
- if scope_w[i] is None:
- kwonly_given += 1
too_many_args = True
# if a **kwargs argument is needed, create the dict
@@ -250,16 +246,13 @@
else:
raise ArgErrUnknownKwds(self.space, num_remainingkwds,
keywords,
kwds_mapping, self.keyword_names_w)
- if too_many_args:
- raise ArgErrTooMany(signature.num_argnames(),
- 0 if defaults_w is None else len(defaults_w),
- avail, kwonly_given)
# check for missing arguments and fill them from the kwds,
# or with defaults, if available
missing_positional = []
missing_kwonly = []
- if input_argcount < co_argcount + co_kwonlyargcount:
+ more_filling = (input_argcount < co_argcount + co_kwonlyargcount)
+ if more_filling:
def_first = co_argcount - (0 if defaults_w is None else
len(defaults_w))
j = 0
kwds_index = -1
@@ -271,6 +264,16 @@
if kwds_index >= 0:
scope_w[i] = keywords_w[kwds_index]
+ if too_many_args:
+ kwonly_given = 0
+ for i in range(co_argcount, co_argcount + co_kwonlyargcount):
+ if scope_w[i] is not None:
+ kwonly_given += 1
+ raise ArgErrTooMany(signature.num_argnames(),
+ 0 if defaults_w is None else len(defaults_w),
+ avail, kwonly_given)
+
+ if more_filling:
# then, fill the normal arguments with defaults_w (if needed)
for i in range(input_argcount, co_argcount):
if scope_w[i] is not None:
diff --git a/pypy/interpreter/test/test_argument.py
b/pypy/interpreter/test/test_argument.py
--- a/pypy/interpreter/test/test_argument.py
+++ b/pypy/interpreter/test/test_argument.py
@@ -634,6 +634,62 @@
else:
assert 0, "did not raise"
+ def test_dont_count_default_arguments(self):
+ space = self.space
+ msg = space.unwrap(space.appexec([], """():
+ def f1(*, c): pass
+ try:
+ f1(4)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 0 positional arguments but 1 was given'
+ #
+ msg = space.unwrap(space.appexec([], """():
+ def f1(*, c=8): pass
+ try:
+ f1(4)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 0 positional arguments but 1 was given'
+ #
+ msg = space.unwrap(space.appexec([], """():
+ def f1(a, b, *, c): pass
+ try:
+ f1(4, 5, 6)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 2 positional arguments but 3 were given'
+ #
+ msg = space.unwrap(space.appexec([], """():
+ def f1(*, c): pass
+ try:
+ f1(6, c=7)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 0 positional arguments but 1 positional
argument (and 1 keyword-only argument) were given'
+ #
+ msg = space.unwrap(space.appexec([], """():
+ def f1(*, c, d=8, e=9): pass
+ try:
+ f1(6, 2, c=7, d=8)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 0 positional arguments but 2 positional
arguments (and 2 keyword-only arguments) were given'
+ #
+ msg = space.unwrap(space.appexec([], """():
+ def f1(*, c, d=8, e=9, **kwds): pass
+ try:
+ f1(6, 2, c=7, d=8, morestuff=9)
+ except TypeError as e:
+ return str(e)
+ """))
+ assert msg == 'f1() takes 0 positional arguments but 2 positional
arguments (and 2 keyword-only arguments) were given'
+
def test_unknown_keywords(self):
space = DummySpace()
err = ArgErrUnknownKwds(space, 1, ['a', 'b'], [0], None)
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