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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙa 3g18@s2dZddlZddlmZddZedkr.edS)a7Doctest for method/function calls. We're going the use these types for extra testing >>> from collections import UserList >>> from collections import UserDict We're defining four helper functions >>> def e(a,b): ... print(a, b) >>> def f(*a, **k): ... print(a, support.sortdict(k)) >>> def g(x, *y, **z): ... print(x, y, support.sortdict(z)) >>> def h(j=1, a=2, h=3): ... print(j, a, h) Argument list examples >>> f() () {} >>> f(1) (1,) {} >>> f(1, 2) (1, 2) {} >>> f(1, 2, 3) (1, 2, 3) {} >>> f(1, 2, 3, *(4, 5)) (1, 2, 3, 4, 5) {} >>> f(1, 2, 3, *[4, 5]) (1, 2, 3, 4, 5) {} >>> f(*[1, 2, 3], 4, 5) (1, 2, 3, 4, 5) {} >>> f(1, 2, 3, *UserList([4, 5])) (1, 2, 3, 4, 5) {} >>> f(1, 2, 3, *[4, 5], *[6, 7]) (1, 2, 3, 4, 5, 6, 7) {} >>> f(1, *[2, 3], 4, *[5, 6], 7) (1, 2, 3, 4, 5, 6, 7) {} >>> f(*UserList([1, 2]), *UserList([3, 4]), 5, *UserList([6, 7])) (1, 2, 3, 4, 5, 6, 7) {} Here we add keyword arguments >>> f(1, 2, 3, **{'a':4, 'b':5}) (1, 2, 3) {'a': 4, 'b': 5} >>> f(1, 2, **{'a': -1, 'b': 5}, **{'a': 4, 'c': 6}) Traceback (most recent call last): ... TypeError: test.test_extcall.f() got multiple values for keyword argument 'a' >>> f(1, 2, **{'a': -1, 'b': 5}, a=4, c=6) Traceback (most recent call last): ... TypeError: test.test_extcall.f() got multiple values for keyword argument 'a' >>> f(1, 2, a=3, **{'a': 4}, **{'a': 5}) Traceback (most recent call last): ... TypeError: test.test_extcall.f() got multiple values for keyword argument 'a' >>> f(1, 2, 3, *[4, 5], **{'a':6, 'b':7}) (1, 2, 3, 4, 5) {'a': 6, 'b': 7} >>> f(1, 2, 3, x=4, y=5, *(6, 7), **{'a':8, 'b': 9}) (1, 2, 3, 6, 7) {'a': 8, 'b': 9, 'x': 4, 'y': 5} >>> f(1, 2, 3, *[4, 5], **{'c': 8}, **{'a':6, 'b':7}) (1, 2, 3, 4, 5) {'a': 6, 'b': 7, 'c': 8} >>> f(1, 2, 3, *(4, 5), x=6, y=7, **{'a':8, 'b': 9}) (1, 2, 3, 4, 5) {'a': 8, 'b': 9, 'x': 6, 'y': 7} >>> f(1, 2, 3, **UserDict(a=4, b=5)) (1, 2, 3) {'a': 4, 'b': 5} >>> f(1, 2, 3, *(4, 5), **UserDict(a=6, b=7)) (1, 2, 3, 4, 5) {'a': 6, 'b': 7} >>> f(1, 2, 3, x=4, y=5, *(6, 7), **UserDict(a=8, b=9)) (1, 2, 3, 6, 7) {'a': 8, 'b': 9, 'x': 4, 'y': 5} >>> f(1, 2, 3, *(4, 5), x=6, y=7, **UserDict(a=8, b=9)) (1, 2, 3, 4, 5) {'a': 8, 'b': 9, 'x': 6, 'y': 7} Mix keyword arguments and dict unpacking >>> d1 = {'a':1} >>> d2 = {'c':3} >>> f(b=2, **d1, **d2) () {'a': 1, 'b': 2, 'c': 3} >>> f(**d1, b=2, **d2) () {'a': 1, 'b': 2, 'c': 3} >>> f(**d1, **d2, b=2) () {'a': 1, 'b': 2, 'c': 3} >>> f(**d1, b=2, **d2, d=4) () {'a': 1, 'b': 2, 'c': 3, 'd': 4} Examples with invalid arguments (TypeErrors). We're also testing the function names in the exception messages. Verify clearing of SF bug #733667 >>> e(c=4) Traceback (most recent call last): ... TypeError: e() got an unexpected keyword argument 'c' >>> g() Traceback (most recent call last): ... TypeError: g() missing 1 required positional argument: 'x' >>> g(*()) Traceback (most recent call last): ... TypeError: g() missing 1 required positional argument: 'x' >>> g(*(), **{}) Traceback (most recent call last): ... TypeError: g() missing 1 required positional argument: 'x' >>> g(1) 1 () {} >>> g(1, 2) 1 (2,) {} >>> g(1, 2, 3) 1 (2, 3) {} >>> g(1, 2, 3, *(4, 5)) 1 (2, 3, 4, 5) {} >>> class Nothing: pass ... >>> g(*Nothing()) Traceback (most recent call last): ... TypeError: test.test_extcall.g() argument after * must be an iterable, not Nothing >>> class Nothing: ... def __len__(self): return 5 ... >>> g(*Nothing()) Traceback (most recent call last): ... TypeError: test.test_extcall.g() argument after * must be an iterable, not Nothing >>> class Nothing(): ... def __len__(self): return 5 ... def __getitem__(self, i): ... if i<3: return i ... else: raise IndexError(i) ... >>> g(*Nothing()) 0 (1, 2) {} >>> class Nothing: ... def __init__(self): self.c = 0 ... def __iter__(self): return self ... def __next__(self): ... if self.c == 4: ... raise StopIteration ... c = self.c ... self.c += 1 ... return c ... >>> g(*Nothing()) 0 (1, 2, 3) {} Check for issue #4806: Does a TypeError in a generator get propagated with the right error message? (Also check with other iterables.) >>> def broken(): raise TypeError("myerror") ... >>> g(*(broken() for i in range(1))) Traceback (most recent call last): ... TypeError: myerror >>> g(*range(1), *(broken() for i in range(1))) Traceback (most recent call last): ... TypeError: myerror >>> class BrokenIterable1: ... def __iter__(self): ... raise TypeError('myerror') ... >>> g(*BrokenIterable1()) Traceback (most recent call last): ... TypeError: myerror >>> g(*range(1), *BrokenIterable1()) Traceback (most recent call last): ... TypeError: myerror >>> class BrokenIterable2: ... def __iter__(self): ... yield 0 ... raise TypeError('myerror') ... >>> g(*BrokenIterable2()) Traceback (most recent call last): ... TypeError: myerror >>> g(*range(1), *BrokenIterable2()) Traceback (most recent call last): ... TypeError: myerror >>> class BrokenSequence: ... def __getitem__(self, idx): ... raise TypeError('myerror') ... >>> g(*BrokenSequence()) Traceback (most recent call last): ... TypeError: myerror >>> g(*range(1), *BrokenSequence()) Traceback (most recent call last): ... TypeError: myerror Make sure that the function doesn't stomp the dictionary >>> d = {'a': 1, 'b': 2, 'c': 3} >>> d2 = d.copy() >>> g(1, d=4, **d) 1 () {'a': 1, 'b': 2, 'c': 3, 'd': 4} >>> d == d2 True What about willful misconduct? >>> def saboteur(**kw): ... kw['x'] = 'm' ... return kw >>> d = {} >>> kw = saboteur(a=1, **d) >>> d {} >>> g(1, 2, 3, **{'x': 4, 'y': 5}) Traceback (most recent call last): ... TypeError: g() got multiple values for argument 'x' >>> f(**{1:2}) Traceback (most recent call last): ... TypeError: keywords must be strings >>> h(**{'e': 2}) Traceback (most recent call last): ... TypeError: h() got an unexpected keyword argument 'e' >>> h(*h) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after * must be an iterable, not function >>> h(1, *h) Traceback (most recent call last): ... TypeError: Value after * must be an iterable, not function >>> h(*[1], *h) Traceback (most recent call last): ... TypeError: Value after * must be an iterable, not function >>> dir(*h) Traceback (most recent call last): ... TypeError: dir() argument after * must be an iterable, not function >>> nothing = None >>> nothing(*h) Traceback (most recent call last): ... TypeError: None argument after * must be an iterable, not function >>> h(**h) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not function >>> h(**[]) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not list >>> h(a=1, **h) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not function >>> h(a=1, **[]) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not list >>> h(**{'a': 1}, **h) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not function >>> h(**{'a': 1}, **[]) Traceback (most recent call last): ... TypeError: test.test_extcall.h() argument after ** must be a mapping, not list >>> dir(**h) Traceback (most recent call last): ... TypeError: dir() argument after ** must be a mapping, not function >>> nothing(**h) Traceback (most recent call last): ... TypeError: None argument after ** must be a mapping, not function >>> dir(b=1, **{'b': 1}) Traceback (most recent call last): ... TypeError: dir() got multiple values for keyword argument 'b' Test a kwargs mapping with duplicated keys. >>> from collections.abc import Mapping >>> class MultiDict(Mapping): ... def __init__(self, items): ... self._items = items ... ... def __iter__(self): ... return (k for k, v in self._items) ... ... def __getitem__(self, key): ... for k, v in self._items: ... if k == key: ... return v ... raise KeyError(key) ... ... def __len__(self): ... return len(self._items) ... ... def keys(self): ... return [k for k, v in self._items] ... ... def values(self): ... return [v for k, v in self._items] ... ... def items(self): ... return [(k, v) for k, v in self._items] ... >>> g(**MultiDict([('x', 1), ('y', 2)])) 1 () {'y': 2} >>> g(**MultiDict([('x', 1), ('x', 2)])) Traceback (most recent call last): ... TypeError: test.test_extcall.g() got multiple values for keyword argument 'x' >>> g(a=3, **MultiDict([('x', 1), ('x', 2)])) Traceback (most recent call last): ... TypeError: test.test_extcall.g() got multiple values for keyword argument 'x' >>> g(**MultiDict([('a', 3)]), **MultiDict([('x', 1), ('x', 2)])) Traceback (most recent call last): ... TypeError: test.test_extcall.g() got multiple values for keyword argument 'x' Another helper function >>> def f2(*a, **b): ... return a, b >>> d = {} >>> for i in range(512): ... key = 'k%d' % i ... d[key] = i >>> a, b = f2(1, *(2,3), **d) >>> len(a), len(b), b == d (3, 512, True) >>> class Foo: ... def method(self, arg1, arg2): ... return arg1+arg2 >>> x = Foo() >>> Foo.method(*(x, 1, 2)) 3 >>> Foo.method(x, *(1, 2)) 3 >>> Foo.method(*(1, 2, 3)) 5 >>> Foo.method(1, *[2, 3]) 5 A PyCFunction that takes only positional parameters should allow an empty keyword dictionary to pass without a complaint, but raise a TypeError if te dictionary is not empty >>> try: ... silence = id(1, *{}) ... True ... except: ... False True >>> id(1, **{'foo': 1}) Traceback (most recent call last): ... TypeError: id() takes no keyword arguments A corner case of keyword dictionary items being deleted during the function call setup. See . >>> class Name(str): ... def __eq__(self, other): ... try: ... del x[self] ... except KeyError: ... pass ... return str.__eq__(self, other) ... def __hash__(self): ... return str.__hash__(self) >>> x = {Name("a"):1, Name("b"):2} >>> def f(a, b): ... print(a,b) >>> f(**x) 1 2 Too many arguments: >>> def f(): pass >>> f(1) Traceback (most recent call last): ... TypeError: f() takes 0 positional arguments but 1 was given >>> def f(a): pass >>> f(1, 2) Traceback (most recent call last): ... TypeError: f() takes 1 positional argument but 2 were given >>> def f(a, b=1): pass >>> f(1, 2, 3) Traceback (most recent call last): ... TypeError: f() takes from 1 to 2 positional arguments but 3 were given >>> def f(*, kw): pass >>> f(1, kw=3) Traceback (most recent call last): ... TypeError: f() takes 0 positional arguments but 1 positional argument (and 1 keyword-only argument) were given >>> def f(*, kw, b): pass >>> f(1, 2, 3, b=3, kw=3) Traceback (most recent call last): ... TypeError: f() takes 0 positional arguments but 3 positional arguments (and 2 keyword-only arguments) were given >>> def f(a, b=2, *, kw): pass >>> f(2, 3, 4, kw=4) Traceback (most recent call last): ... TypeError: f() takes from 1 to 2 positional arguments but 3 positional arguments (and 1 keyword-only argument) were given Too few and missing arguments: >>> def f(a): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 1 required positional argument: 'a' >>> def f(a, b): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 2 required positional arguments: 'a' and 'b' >>> def f(a, b, c): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 3 required positional arguments: 'a', 'b', and 'c' >>> def f(a, b, c, d, e): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 5 required positional arguments: 'a', 'b', 'c', 'd', and 'e' >>> def f(a, b=4, c=5, d=5): pass >>> f(c=12, b=9) Traceback (most recent call last): ... TypeError: f() missing 1 required positional argument: 'a' Same with keyword only args: >>> def f(*, w): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 1 required keyword-only argument: 'w' >>> def f(*, a, b, c, d, e): pass >>> f() Traceback (most recent call last): ... TypeError: f() missing 5 required keyword-only arguments: 'a', 'b', 'c', 'd', and 'e' N)supportcCsttjtddS)NT)rZ run_doctestsysmodules__name__rr0/opt/python39/lib/python3.9/test/test_extcall.py test_mainsr__main__)__doc__rtestrrrrrrrs