cut stringclasses 1
value | version stringclasses 10
values | idiom_id stringclasses 53
values | pep stringclasses 53
values | introduced_in stringclasses 11
values | form stringclasses 2
values | file stringclasses 887
values | code stringclasses 916
values | source stringclasses 1
value | origin stringlengths 15 17 | origin_revision stringclasses 10
values | license stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|---|---|---|
train | 3.9 | protocol | 544 | 3.8 | modern | protocol/modern_29.py | class P(Protocol):
x: float
def f(arg: P) -> None:
arg.x = 0.42
class C:
x: int
c = C()
f(c) # Would typecheck if covariant subtyping
# of mutable attributes were allowed.
c.x >> 1 # But this fails at runtime
| pydocs | pep-0544.txt:1313 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | protocol | 544 | 3.8 | modern | protocol/modern_30.py | T = TypeVar('T')
class P(Protocol[T]): # Protocol is declared as invariant.
def meth(self) -> T:
...
class C:
def meth(self) -> float:
...
class D(C):
def meth(self) -> int:
...
| pydocs | pep-0544.txt:1341 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | protocol | 544 | 3.8 | modern | protocol/modern_31.py | class OldIterable(Sized, Protocol[T]):
def __getitem__(self, item: int) -> T: ...
CompatIterable = Union[Iterable[T], OldIterable[T]]
class A:
def __iter__(self) -> Iterator[str]: ...
class B:
def __len__(self) -> int: ...
def __getitem__(self, item: int) -> str: ...
def iterate(it: CompatIterable[st... | pydocs | pep-0544.txt:1387 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | positional-only-params | 570 | 3.8 | modern | positional-only-params/modern_01.py | def name(positional_only_parameters, /, positional_or_keyword_parameters,
*, keyword_only_parameters):
...
| pydocs | pep-0570.rst:443 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | positional-only-params | 570 | 3.8 | modern | positional-only-params/modern_02.py | def name(p1, p2, /, p_or_kw, *, kw):
...
def name(p1, p2=None, /, p_or_kw=None, *, kw):
...
def name(p1, p2=None, /, *, kw):
...
def name(p1, p2=None, /):
...
def name(p1, p2, /, p_or_kw):
...
def name(p1, p2, /):
...
| pydocs | pep-0570.rst:461 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | positional-only-params | 570 | 3.8 | modern | positional-only-params/modern_03.py | def foo(name, /, **kwds):
return 'name' in kwds
| pydocs | pep-0570.rst:539 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | positional-only-params | 570 | 3.8 | modern | positional-only-params/modern_04.py | def standard_arg(arg):
print(arg)
def pos_only_arg(arg, /):
print(arg)
def kwd_only_arg(*, arg):
print(arg)
def combined_example(pos_only, /, standard, *, kwd_only):
print(pos_only, standard, kwd_only)
| pydocs | pep-0570.rst:635 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | positional-only-params | 570 | 3.8 | modern | positional-only-params/modern_05.py | def f(pos1, pos2, /, pos_or_kwd, *, kwd1, kwd2):
...
| pydocs | pep-0570.rst:705 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_01.py | from __future__ import annotations
def find(haystack: dict[str, list[int]]) -> int:
...
| pydocs | pep-0585.rst:66 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_02.py | list[str]
tuple[int, ...]
ChainMap[str, list[str]]
| pydocs | pep-0585.rst:142 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_03.py | l = list[str]()
list is list[str]
list == list[str]
list[str] == list[str]
list[str] == list[int]
isinstance([1, 2, 3], list[str])
issubclass(list, list[str])
isinstance(list[str], types.GenericAlias)
| pydocs | pep-0585.rst:167 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_04.py | l: list[str] = []
| pydocs | pep-0585.rst:193 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_05.py | l = list[str]()
| pydocs | pep-0585.rst:197 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_06.py | list[str]
tuple[int, ...]
collections.ChainMap[str, list[str]]
| pydocs | pep-0585.rst:243 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | legacy | builtin-generics/legacy_01.py | from typing import List, Tuple, ChainMap
List[str]
Tuple[int, ...]
ChainMap[str, List[str]]
| pydocs | pep-0585.rst:254 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | builtin-generics | 585 | 3.9 | modern | builtin-generics/modern_07.py | isinstance([1, 2, 3], list[str])
| pydocs | pep-0585.rst:322 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_01.py | from typing import Literal
def accepts_only_four(x: Literal[4]) -> None:
pass
accepts_only_four(4) # OK
accepts_only_four(19) # Rejected
| pydocs | pep-0586.rst:23 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_02.py | # Note: this is a simplification of the true type signature.
_PathType = Union[str, bytes, int]
@overload
def open(path: _PathType,
mode: Literal["r", "w", "a", "x", "r+", "w+", "a+", "x+"],
) -> IO[Text]: ...
@overload
def open(path: _PathType,
mode: Literal["rb", "wb", "ab", "xb", "r+b", "... | pydocs | pep-0586.rst:125 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_03.py | Literal[26]
Literal[0x1A] # Exactly equivalent to Literal[26]
Literal[-4]
Literal["hello world"]
Literal[b"hello world"]
Literal[u"hello world"]
Literal[True]
Literal[Color.RED] # Assuming Color is some enum
Literal[None]
| pydocs | pep-0586.rst:165 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_04.py | ReadOnlyMode = Literal["r", "r+"]
WriteAndTruncateMode = Literal["w", "w+", "wt", "w+t"]
WriteNoTruncateMode = Literal["r+", "r+t"]
AppendMode = Literal["a", "a+", "at", "a+t"]
AllModes = Literal[ReadOnlyMode, WriteAndTruncateMode,
WriteNoTruncateMode, AppendMode]
| pydocs | pep-0586.rst:182 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_05.py | Literal[Literal[Literal[1, 2, 3], "foo"], 5, None]
| pydocs | pep-0586.rst:196 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_06.py | Literal[1, 2, 3, "foo", 5, None]
| pydocs | pep-0586.rst:200 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_07.py | Optional[Literal[1, 2, 3, "foo", 5]]
| pydocs | pep-0586.rst:204 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_08.py | def my_function(x: Literal[1 + 2]) -> int:
return x * 3
x: Literal = 3
y: Literal[my_function] = my_function
| pydocs | pep-0586.rst:271 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_09.py | def expects_str(x: str) -> None: ...
var: Literal["foo"] = "foo"
# Legal: Literal["foo"] is a subtype of str
expects_str(var)
| pydocs | pep-0586.rst:360 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_10.py | def expects_literal(x: Literal["foo"]) -> None: ...
def runner(my_str: str) -> None:
# ILLEGAL: str is not a subclass of Literal["foo"]
expects_literal(my_str)
| pydocs | pep-0586.rst:369 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_11.py | a: Literal[0] = 0
b: Literal[5] = 5
some_tuple: Tuple[int, str, List[bool]] = (3, "abc", [True, False])
reveal_type(some_tuple[a]) # Revealed type is 'int'
some_tuple[b] # Error: 5 is not a valid index into the tuple
| pydocs | pep-0586.rst:393 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_12.py | class Test:
def __init__(self, param: int) -> None:
self.myfield = param
def mymethod(self, val: int) -> str: ...
a: Literal["myfield"] = "myfield"
b: Literal["mymethod"] = "mymethod"
c: Literal["blah"] = "blah"
t = Test()
reveal_type(getattr(t, a)) # Revealed type is 'int'
reveal_type(getattr(... | pydocs | pep-0586.rst:402 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_13.py | _PathType = Union[str, bytes, int]
@overload
def open(path: _PathType,
mode: Literal["r", "w", "a", "x", "r+", "w+", "a+", "x+"],
) -> IO[Text]: ...
@overload
def open(path: _PathType,
mode: Literal["rb", "wb", "ab", "xb", "r+b", "w+b", "a+b", "x+b"],
) -> IO[bytes]: ...
# Fallback... | pydocs | pep-0586.rst:430 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_14.py | A = TypeVar('A', bound=int)
B = TypeVar('B', bound=int)
C = TypeVar('C', bound=int)
# A simplified definition for Matrix[row, column]
class Matrix(Generic[A, B]):
def __add__(self, other: Matrix[A, B]) -> Matrix[A, B]: ...
def __matmul__(self, other: Matrix[B, C]) -> Matrix[A, C]: ...
def transpose(self) -... | pydocs | pep-0586.rst:467 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_15.py | T = TypeVar('T', Literal["a"], Literal["b"], Literal["c"])
S = TypeVar('S', bound=Literal["foo"])
| pydocs | pep-0586.rst:486 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_16.py | @overload
def is_int_like(x: Union[int, List[int]]) -> Literal[True]: ...
@overload
def is_int_like(x: object) -> bool: ...
def is_int_like(x): ...
vector: List[int] = [1, 2, 3]
if is_int_like(vector):
vector.append(3)
else:
vector.append("bad") # This branch is inferred to be unreachable
scalar: Union[int,... | pydocs | pep-0586.rst:567 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_17.py | def expects_three(x: Literal[3]) -> None: ...
expects_three(foo) # Type checks, since 'foo' is Final and equal to 3
| pydocs | pep-0586.rst:599 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | literal-types | 586 | 3.8 | modern | literal-types/modern_18.py | def foobar(arg1: Literal[1], arg2: Literal[True]) -> None:
pass
| pydocs | pep-0586.rst:665 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_01.py | from typing import TypedDict
class Movie(TypedDict):
name: str
year: int
| pydocs | pep-0589.rst:37 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_02.py | class EmptyDict(TypedDict):
pass
| pydocs | pep-0589.rst:159 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_03.py | class Strings(TypedDict):
items: List[str]
print(isinstance({'items': [1]}, Strings)) # Should be False
print(isinstance({'items': ['x']}, Strings)) # Should be True
| pydocs | pep-0589.rst:231 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_04.py | class BookBasedMovie(TypedDict):
name: str
year: int
based_on: str
| pydocs | pep-0589.rst:255 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_05.py | class X(TypedDict):
x: int
class Y(TypedDict):
y: str
class XYZ(X, Y):
z: bool
| pydocs | pep-0589.rst:262 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_06.py | class X(TypedDict):
x: str
class Y(X):
x: int # Type check error: cannot overwrite TypedDict field "x"
| pydocs | pep-0589.rst:282 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_07.py | class X(TypedDict):
x: int
class Y(TypedDict):
x: str
class XYZ(X, Y): # Type check error: cannot overwrite TypedDict field "x" while merging
xyz: bool
| pydocs | pep-0589.rst:296 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_08.py | class Movie(TypedDict, total=False):
name: str
year: int
| pydocs | pep-0589.rst:313 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_09.py | Movie = TypedDict('Movie', {'name': str, 'year': int})
| pydocs | pep-0589.rst:342 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_10.py | Movie = TypedDict('Movie',
{'name': str, 'year': int},
total=False)
| pydocs | pep-0589.rst:346 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_11.py | class A(TypedDict):
x: Optional[int]
class B(TypedDict):
x: int
def f(a: A) -> None:
a['x'] = None
b: B = {'x': 0}
f(b) # Type check error: 'B' not compatible with 'A'
b['x'] + 1 # Runtime error: None + 1
| pydocs | pep-0589.rst:391 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_12.py | class A(TypedDict, total=False):
x: int
class B(TypedDict):
x: int
def f(a: A) -> None:
del a['x']
b: B = {'x': 0}
f(b) # Type check error: 'B' not compatible with 'A'
b['x'] + 1 # Runtime KeyError: 'x'
| pydocs | pep-0589.rst:408 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_13.py | class A(TypedDict):
x: int
class B(A):
y: str
def f(d: Dict[str, int]) -> None:
d['y'] = 0
def g(a: A) -> None:
f(a) # Type check error: 'A' incompatible with Dict[str, int]
b: B = {'x': 0, 'y': 'foo'}
g(b)
b['y'] + 'bar' # Runtime error: int + str
| pydocs | pep-0589.rst:453 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | typed-dict | 589 | 3.8 | modern | typed-dict/modern_14.py | class A(TypedDict):
x: int
class B(TypedDict):
x: int
y: str
def sum_values(m: Mapping[str, int]) -> int:
n = 0
for v in m.values():
n += v # Runtime error
return n
def f(a: A) -> None:
sum_values(a) # Error: 'A' incompatible with Mapping[str, int]
b: B = {'x': 0, 'y': 'foo'}
f... | pydocs | pep-0589.rst:475 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_01.py | from typing import final
@final
class Base:
...
class Derived(Base): # Error: Cannot inherit from final class "Base"
...
| pydocs | pep-0591.rst:83 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_02.py | from typing import final
class Base:
@final
def foo(self) -> None:
...
class Derived(Base):
def foo(self) -> None: # Error: Cannot override final attribute "foo"
# (previously declared in base class "Base")
...
| pydocs | pep-0591.rst:94 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_03.py | from typing import Any, overload
class Base:
@overload
def method(self) -> None: ...
@overload
def method(self, arg: int) -> int: ...
@final
def method(self, x=None):
...
| pydocs | pep-0591.rst:110 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_04.py | ID: Final[float] = 1
| pydocs | pep-0591.rst:136 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_05.py | ID: Final = 1
| pydocs | pep-0591.rst:140 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_06.py | from typing import Final
RATE: Final = 3000
class Base:
DEFAULT_ID: Final = 0
RATE = 300 # Error: can't assign to final attribute
Base.DEFAULT_ID = 1 # Error: can't override a final attribute
| pydocs | pep-0591.rst:170 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_07.py | from typing import Final
class Window:
BORDER_WIDTH: Final = 2.5
...
class ListView(Window):
BORDER_WIDTH = 3 # Error: can't override a final attribute
| pydocs | pep-0591.rst:187 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_08.py | class ImmutablePoint:
x: Final[int]
y: Final[int] # Error: final attribute without an initializer
def __init__(self) -> None:
self.x = 1 # Good
| pydocs | pep-0591.rst:199 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_09.py | x: List[Final[int]] = [] # Error!
def fun(x: Final[List[int]]) -> None: # Error!
...
| pydocs | pep-0591.rst:214 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_10.py | x: Final = ['a', 'b']
x.append('c') # OK
y: Final[Sequence[str]] = ['a', 'b']
y.append('x') # Error: "Sequence[str]" has no attribute "append"
z: Final = ('a', 'b') # Also works
| pydocs | pep-0591.rst:224 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | final-qualifier | 591 | 3.8 | modern | final-qualifier/modern_11.py | from typing import NamedTuple, Final
X: Final = "x"
Y: Final = "y"
N = NamedTuple("N", [(X, int), (Y, int)])
| pydocs | pep-0591.rst:236 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_01.py | UnsignedShort = Annotated[int, struct2.ctype('H')]
SignedChar = Annotated[int, struct2.ctype('b')]
class Student(struct2.Packed):
# mypy typechecks 'name' field as 'str'
name: Annotated[str, struct2.ctype("<10s")]
serialnum: UnsignedShort
school: SignedChar
# 'unpack' only uses the metadata within the... | pydocs | pep-0593.rst:67 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_02.py | Currency = Annotated[
TypedDict('Currency', {'dollars': float, 'pounds': float}, total=False),
TaggedUnion,
]
| pydocs | pep-0593.rst:100 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_03.py | Annotated[int, ValueRange(3, 10), ctype("char")]
| pydocs | pep-0593.rst:129 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_04.py | Annotated[int, ValueRange(3, 10), ctype("char")] != Annotated[
int, ctype("char"), ValueRange(3, 10)
]
| pydocs | pep-0593.rst:137 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_05.py | Annotated[Annotated[int, ValueRange(3, 10)], ctype("char")] == Annotated[
int, ValueRange(3, 10), ctype("char")
]
| pydocs | pep-0593.rst:144 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_06.py | Annotated[int, ValueRange(3, 10)] != Annotated[
int, ValueRange(3, 10), ValueRange(3, 10)
]
| pydocs | pep-0593.rst:150 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_07.py | T1 = Annotated[int, ValueRange(-10, 5)]
T2 = Annotated[T1, ValueRange(-20, 3)]
| pydocs | pep-0593.rst:191 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_08.py | T2 = Annotated[int, ValueRange(-10, 5), ValueRange(-20, 3)]
| pydocs | pep-0593.rst:196 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | annotated | 593 | 3.9 | modern | annotated/modern_09.py | @struct2.packed
class Student(NamedTuple):
name: Annotated[str, struct.ctype("<10s")]
get_type_hints(Student) == {'name': str}
get_type_hints(Student, include_extras=False) == {'name': str}
get_type_hints(Student, include_extras=True) == {
'name': Annotated[str, struct.ctype("<10s")]
}
| pydocs | pep-0593.rst:207 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_01.py | import datetime
name = 'Fred'
age = 50
anniversary = datetime.date(1991, 10, 12)
f'My name is {name}, my age next year is {age+1}, my anniversary is {anniversary:%A, %B %d, %Y}.'
f'He said his name is {name!r}.'
| pydocs | pep-0498.txt:36 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_01.py | msg = 'disk failure'
'error: %s' % msg
| pydocs | pep-0498.txt:62 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_02.py | msg = ('disk failure', 32)
'error: %s' % msg
| pydocs | pep-0498.txt:68 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_03.py | 'error: %s' % (msg,)
| pydocs | pep-0498.txt:76 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_04.py | value = 4 * 20
'The value is {value}.'.format(value=value)
| pydocs | pep-0498.txt:90 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_05.py | 'The value is {}.'.format(value)
| pydocs | pep-0498.txt:98 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_02.py | f'The value is {value}.'
| pydocs | pep-0498.txt:103 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_03.py | value = 1234
f'input={value:#06x}'
| pydocs | pep-0498.txt:118 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_04.py | date = datetime.date(1991, 10, 12)
f'{date} was on a {date:%A}'
| pydocs | pep-0498.txt:125 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_06.py | def outer(x):
def inner():
return 'x={x}'.format_map(locals())
return inner
outer(42)()
| pydocs | pep-0498.txt:137 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_07.py | def outer(x):
def inner():
x
return 'x={x}'.format_map(locals())
return inner
outer(42)()
| pydocs | pep-0498.txt:152 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_05.py | f'{"quoted string"}'
| pydocs | pep-0498.txt:254 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_06.py | f'{{ {4*10} }}'
f'{{{4*10}}}'
| pydocs | pep-0498.txt:263 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_07.py | fr'x={4*10}\n'
| pydocs | pep-0498.txt:271 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_08.py | f"abc {a['x']} def"
| pydocs | pep-0498.txt:281 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_09.py | f'''abc {a['x']} def'''
| pydocs | pep-0498.txt:285 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_10.py | f'abc{expr1:spec1}{expr2!r:spec2}def{expr3}ghi'
| pydocs | pep-0498.txt:297 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_11.py | def foo():
return 20
f'result={foo()}'
| pydocs | pep-0498.txt:317 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_12.py | x = 0
f'''{x
+1}'''
d = {0: 'zero'}
f'''{d[0
]}'''
| pydocs | pep-0498.txt:334 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_13.py | width = 10
precision = 4
value = decimal.Decimal('12.34567')
f'result: {value:{width}.{precision}}'
| pydocs | pep-0498.txt:350 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_14.py | x = 10
y = 'hi'
'a' 'b' f'{x}' '{c}' f'str<{y:^4}>' 'd' 'e'
| pydocs | pep-0498.txt:368 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_15.py | d = {0:10, 1:20}
for i in range(3):
print(f'{i}:{d[i]}')
| pydocs | pep-0498.txt:413 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_16.py | for x in (32, 100, 'fifty'):
print(f'x = {x:+3}')
| pydocs | pep-0498.txt:425 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_17.py | def fn(l, incr):
result = l[0]
l[0] += incr
return result
lst = [0]
f'{fn(lst,2)} {fn(lst,3)}'
f'{fn(lst,2)} {fn(lst,3)}'
lst
| pydocs | pep-0498.txt:447 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_18.py | f'Column={col_idx+1}'
f'number of items: {len(items)}'
| pydocs | pep-0498.txt:521 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_19.py | col_number = col_idx+1
f'Column={col_number}'
n_items = len(items)
f'number of items: {n_items}'
| pydocs | pep-0498.txt:526 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_20.py | f'mapping is { {a:b for (a, b) in ((1, 2), (3, 4))} }'
| pydocs | pep-0498.txt:535 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_08.py | d = {'a': 10, 'b': 20}
'a={d[a]}'.format(d=d)
| pydocs | pep-0498.txt:554 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_21.py | f'a={d["a"]}'
| pydocs | pep-0498.txt:564 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_22.py | a = 'b'
f'a={d[a]}'
| pydocs | pep-0498.txt:570 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | legacy | fstring/legacy_09.py | '{i[";]}'.format(i={'";':4})
| pydocs | pep-0498.txt:580 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
train | 3.9 | fstring | 498 | 3.6 | modern | fstring/modern_23.py | header = 'Subject'
fr'{header}:\s+'
| pydocs | pep-0498.txt:600 | a95341328c8ee8d84692e5dad85bef668d86c9d5 | CC0-1.0 |
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