black/tests/data/expression.diff
Łukasz Langa 788268bc39 Re-implement magic trailing comma handling:
- when a trailing comma is specified in any bracket pair, that signals to Black
  that this bracket pair needs to be always exploded, e.g. presented as "one
  item per line";

- this causes some changes to previously formatted code that erroneously left
  trailing commas embedded into single-line expressions;

- internally, Black needs to be able to identify trailing commas that it put
  itself compared to pre-existing trailing commas. We do this by using/abusing
  lib2to3's `was_checked` attribute.  It's True for internally generated
  trailing commas and False for pre-existing ones (in fact, for all
  pre-existing leaves and nodes).

Fixes #1288
2020-08-21 16:45:30 +02:00

424 lines
14 KiB
Diff

--- [Deterministic header]
+++ [Deterministic header]
@@ -1,8 +1,8 @@
...
-'some_string'
-b'\\xa3'
+"some_string"
+b"\\xa3"
Name
None
True
False
1
@@ -29,63 +29,96 @@
~great
+value
-1
~int and not v1 ^ 123 + v2 | True
(~int) and (not ((v1 ^ (123 + v2)) | True))
-+really ** -confusing ** ~operator ** -precedence
-flags & ~ select.EPOLLIN and waiters.write_task is not None
++(really ** -(confusing ** ~(operator ** -precedence)))
+flags & ~select.EPOLLIN and waiters.write_task is not None
lambda arg: None
lambda a=True: a
lambda a, b, c=True: a
-lambda a, b, c=True, *, d=(1 << v2), e='str': a
-lambda a, b, c=True, *vararg, d=(v1 << 2), e='str', **kwargs: a + b
+lambda a, b, c=True, *, d=(1 << v2), e="str": a
+lambda a, b, c=True, *vararg, d=(v1 << 2), e="str", **kwargs: a + b
manylambdas = lambda x=lambda y=lambda z=1: z: y(): x()
-foo = (lambda port_id, ignore_missing: {"port1": port1_resource, "port2": port2_resource}[port_id])
+foo = lambda port_id, ignore_missing: {
+ "port1": port1_resource,
+ "port2": port2_resource,
+}[port_id]
1 if True else 2
str or None if True else str or bytes or None
(str or None) if True else (str or bytes or None)
str or None if (1 if True else 2) else str or bytes or None
(str or None) if (1 if True else 2) else (str or bytes or None)
-((super_long_variable_name or None) if (1 if super_long_test_name else 2) else (str or bytes or None))
-{'2.7': dead, '3.7': (long_live or die_hard)}
-{'2.7': dead, '3.7': (long_live or die_hard), **{'3.6': verygood}}
+(
+ (super_long_variable_name or None)
+ if (1 if super_long_test_name else 2)
+ else (str or bytes or None)
+)
+{"2.7": dead, "3.7": (long_live or die_hard)}
+{"2.7": dead, "3.7": (long_live or die_hard), **{"3.6": verygood}}
{**a, **b, **c}
-{'2.7', '3.6', '3.7', '3.8', '3.9', ('4.0' if gilectomy else '3.10')}
-({'a': 'b'}, (True or False), (+value), 'string', b'bytes') or None
+{"2.7", "3.6", "3.7", "3.8", "3.9", ("4.0" if gilectomy else "3.10")}
+({"a": "b"}, (True or False), (+value), "string", b"bytes") or None
()
(1,)
(1, 2)
(1, 2, 3)
[]
[1, 2, 3, 4, 5, 6, 7, 8, 9, (10 or A), (11 or B), (12 or C)]
-[1, 2, 3,]
+[
+ 1,
+ 2,
+ 3,
+]
[*a]
[*range(10)]
-[*a, 4, 5,]
-[4, *a, 5,]
-[this_is_a_very_long_variable_which_will_force_a_delimiter_split, element, another, *more]
+[
+ *a,
+ 4,
+ 5,
+]
+[
+ 4,
+ *a,
+ 5,
+]
+[
+ this_is_a_very_long_variable_which_will_force_a_delimiter_split,
+ element,
+ another,
+ *more,
+]
{i for i in (1, 2, 3)}
{(i ** 2) for i in (1, 2, 3)}
-{(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))}
+{(i ** 2) for i, _ in ((1, "a"), (2, "b"), (3, "c"))}
{((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)}
[i for i in (1, 2, 3)]
[(i ** 2) for i in (1, 2, 3)]
-[(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))]
+[(i ** 2) for i, _ in ((1, "a"), (2, "b"), (3, "c"))]
[((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)]
{i: 0 for i in (1, 2, 3)}
-{i: j for i, j in ((1, 'a'), (2, 'b'), (3, 'c'))}
+{i: j for i, j in ((1, "a"), (2, "b"), (3, "c"))}
{a: b * 2 for a, b in dictionary.items()}
{a: b * -2 for a, b in dictionary.items()}
-{k: v for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension}
+{
+ k: v
+ for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension
+}
Python3 > Python2 > COBOL
Life is Life
call()
call(arg)
-call(kwarg='hey')
-call(arg, kwarg='hey')
-call(arg, another, kwarg='hey', **kwargs)
-call(this_is_a_very_long_variable_which_will_force_a_delimiter_split, arg, another, kwarg='hey', **kwargs) # note: no trailing comma pre-3.6
+call(kwarg="hey")
+call(arg, kwarg="hey")
+call(arg, another, kwarg="hey", **kwargs)
+call(
+ this_is_a_very_long_variable_which_will_force_a_delimiter_split,
+ arg,
+ another,
+ kwarg="hey",
+ **kwargs
+) # note: no trailing comma pre-3.6
call(*gidgets[:2])
call(a, *gidgets[:2])
call(**self.screen_kwargs)
call(b, **self.screen_kwargs)
lukasz.langa.pl
@@ -94,26 +127,29 @@
1.0 .real
....__class__
list[str]
dict[str, int]
tuple[str, ...]
+tuple[str, int, float, dict[str, int]]
tuple[
- str, int, float, dict[str, int]
-]
-tuple[str, int, float, dict[str, int],]
+ str,
+ int,
+ float,
+ dict[str, int],
+]
very_long_variable_name_filters: t.List[
t.Tuple[str, t.Union[str, t.List[t.Optional[str]]]],
]
xxxx_xxxxx_xxxx_xxx: Callable[..., List[SomeClass]] = classmethod( # type: ignore
sync(async_xxxx_xxx_xxxx_xxxxx_xxxx_xxx.__func__)
)
xxxx_xxx_xxxx_xxxxx_xxxx_xxx: Callable[..., List[SomeClass]] = classmethod( # type: ignore
sync(async_xxxx_xxx_xxxx_xxxxx_xxxx_xxx.__func__)
)
-xxxx_xxx_xxxx_xxxxx_xxxx_xxx: Callable[
- ..., List[SomeClass]
-] = classmethod(sync(async_xxxx_xxx_xxxx_xxxxx_xxxx_xxx.__func__)) # type: ignore
+xxxx_xxx_xxxx_xxxxx_xxxx_xxx: Callable[..., List[SomeClass]] = classmethod(
+ sync(async_xxxx_xxx_xxxx_xxxxx_xxxx_xxx.__func__)
+) # type: ignore
slice[0]
slice[0:1]
slice[0:1:2]
slice[:]
slice[:-1]
@@ -137,113 +173,180 @@
numpy[-(c + 1) :, d]
numpy[:, l[-2]]
numpy[:, ::-1]
numpy[np.newaxis, :]
(str or None) if (sys.version_info[0] > (3,)) else (str or bytes or None)
-{'2.7': dead, '3.7': long_live or die_hard}
-{'2.7', '3.6', '3.7', '3.8', '3.9', '4.0' if gilectomy else '3.10'}
+{"2.7": dead, "3.7": long_live or die_hard}
+{"2.7", "3.6", "3.7", "3.8", "3.9", "4.0" if gilectomy else "3.10"}
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or A, 11 or B, 12 or C]
(SomeName)
SomeName
(Good, Bad, Ugly)
(i for i in (1, 2, 3))
((i ** 2) for i in (1, 2, 3))
-((i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c')))
+((i ** 2) for i, _ in ((1, "a"), (2, "b"), (3, "c")))
(((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3))
(*starred,)
-{"id": "1","type": "type","started_at": now(),"ended_at": now() + timedelta(days=10),"priority": 1,"import_session_id": 1,**kwargs}
+{
+ "id": "1",
+ "type": "type",
+ "started_at": now(),
+ "ended_at": now() + timedelta(days=10),
+ "priority": 1,
+ "import_session_id": 1,
+ **kwargs,
+}
a = (1,)
-b = 1,
+b = (1,)
c = 1
d = (1,) + a + (2,)
e = (1,).count(1)
f = 1, *range(10)
g = 1, *"ten"
-what_is_up_with_those_new_coord_names = (coord_names + set(vars_to_create)) + set(vars_to_remove)
-what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set(vars_to_remove)
-result = session.query(models.Customer.id).filter(models.Customer.account_id == account_id, models.Customer.email == email_address).order_by(models.Customer.id.asc()).all()
-result = session.query(models.Customer.id).filter(models.Customer.account_id == account_id, models.Customer.email == email_address).order_by(models.Customer.id.asc(),).all()
+what_is_up_with_those_new_coord_names = (coord_names + set(vars_to_create)) + set(
+ vars_to_remove
+)
+what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set(
+ vars_to_remove
+)
+result = (
+ session.query(models.Customer.id)
+ .filter(
+ models.Customer.account_id == account_id, models.Customer.email == email_address
+ )
+ .order_by(models.Customer.id.asc())
+ .all()
+)
+result = (
+ session.query(models.Customer.id)
+ .filter(
+ models.Customer.account_id == account_id, models.Customer.email == email_address
+ )
+ .order_by(
+ models.Customer.id.asc(),
+ )
+ .all()
+)
Ø = set()
authors.łukasz.say_thanks()
mapping = {
A: 0.25 * (10.0 / 12),
B: 0.1 * (10.0 / 12),
C: 0.1 * (10.0 / 12),
D: 0.1 * (10.0 / 12),
}
+
def gen():
yield from outside_of_generator
- a = (yield)
- b = ((yield))
- c = (((yield)))
+ a = yield
+ b = yield
+ c = yield
+
async def f():
await some.complicated[0].call(with_args=(True or (1 is not 1)))
-print(* [] or [1])
+
+
+print(*[] or [1])
print(**{1: 3} if False else {x: x for x in range(3)})
-print(* lambda x: x)
-assert(not Test),("Short message")
-assert this is ComplexTest and not requirements.fit_in_a_single_line(force=False), "Short message"
-assert(((parens is TooMany)))
-for x, in (1,), (2,), (3,): ...
-for y in (): ...
-for z in (i for i in (1, 2, 3)): ...
-for i in (call()): ...
-for j in (1 + (2 + 3)): ...
-while(this and that): ...
-for addr_family, addr_type, addr_proto, addr_canonname, addr_sockaddr in socket.getaddrinfo('google.com', 'http'):
+print(*lambda x: x)
+assert not Test, "Short message"
+assert this is ComplexTest and not requirements.fit_in_a_single_line(
+ force=False
+), "Short message"
+assert parens is TooMany
+for (x,) in (1,), (2,), (3,):
+ ...
+for y in ():
+ ...
+for z in (i for i in (1, 2, 3)):
+ ...
+for i in call():
+ ...
+for j in 1 + (2 + 3):
+ ...
+while this and that:
+ ...
+for (
+ addr_family,
+ addr_type,
+ addr_proto,
+ addr_canonname,
+ addr_sockaddr,
+) in socket.getaddrinfo("google.com", "http"):
pass
-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
-if (
- threading.current_thread() != threading.main_thread() and
- threading.current_thread() != threading.main_thread() or
- signal.getsignal(signal.SIGINT) != signal.default_int_handler
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa -
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa /
- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-):
- return True
-if (
- ~ aaaa.a + aaaa.b - aaaa.c * aaaa.d / aaaa.e | aaaa.f & aaaa.g % aaaa.h ^ aaaa.i << aaaa.k >> aaaa.l ** aaaa.m // aaaa.n
-):
- return True
-if (
- ~ aaaaaaaa.a + aaaaaaaa.b - aaaaaaaa.c @ aaaaaaaa.d / aaaaaaaa.e | aaaaaaaa.f & aaaaaaaa.g % aaaaaaaa.h ^ aaaaaaaa.i << aaaaaaaa.k >> aaaaaaaa.l ** aaaaaaaa.m // aaaaaaaa.n
-):
- return True
-if (
- ~ aaaaaaaaaaaaaaaa.a + aaaaaaaaaaaaaaaa.b - aaaaaaaaaaaaaaaa.c * aaaaaaaaaaaaaaaa.d @ aaaaaaaaaaaaaaaa.e | aaaaaaaaaaaaaaaa.f & aaaaaaaaaaaaaaaa.g % aaaaaaaaaaaaaaaa.h ^ aaaaaaaaaaaaaaaa.i << aaaaaaaaaaaaaaaa.k >> aaaaaaaaaaaaaaaa.l ** aaaaaaaaaaaaaaaa.m // aaaaaaaaaaaaaaaa.n
+a = (
+ aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+ in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+ aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+ not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+ aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+ is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+ aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+ is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+if (
+ threading.current_thread() != threading.main_thread()
+ and threading.current_thread() != threading.main_thread()
+ or signal.getsignal(signal.SIGINT) != signal.default_int_handler
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ & aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ - aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ / aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+ return True
+if (
+ ~aaaa.a + aaaa.b - aaaa.c * aaaa.d / aaaa.e
+ | aaaa.f & aaaa.g % aaaa.h ^ aaaa.i << aaaa.k >> aaaa.l ** aaaa.m // aaaa.n
+):
+ return True
+if (
+ ~aaaaaaaa.a + aaaaaaaa.b - aaaaaaaa.c @ aaaaaaaa.d / aaaaaaaa.e
+ | aaaaaaaa.f & aaaaaaaa.g % aaaaaaaa.h
+ ^ aaaaaaaa.i << aaaaaaaa.k >> aaaaaaaa.l ** aaaaaaaa.m // aaaaaaaa.n
+):
+ return True
+if (
+ ~aaaaaaaaaaaaaaaa.a
+ + aaaaaaaaaaaaaaaa.b
+ - aaaaaaaaaaaaaaaa.c * aaaaaaaaaaaaaaaa.d @ aaaaaaaaaaaaaaaa.e
+ | aaaaaaaaaaaaaaaa.f & aaaaaaaaaaaaaaaa.g % aaaaaaaaaaaaaaaa.h
+ ^ aaaaaaaaaaaaaaaa.i
+ << aaaaaaaaaaaaaaaa.k
+ >> aaaaaaaaaaaaaaaa.l ** aaaaaaaaaaaaaaaa.m // aaaaaaaaaaaaaaaa.n
):
return True
last_call()
# standalone comment at ENDMARKER