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GH1327 Add overloead for date_range and timedelta_range #1333

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Merged
merged 6 commits into from
Aug 22, 2025
Merged

GH1327 Add overloead for date_range and timedelta_range #1333

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2a99f70
GH1327 Add overloead for date_range and timedelta_range
loicdiridollou Aug 20, 2025
f26b710
GH1327 Fix CI
loicdiridollou Aug 20, 2025
584e288
GH1327 PR feedback
loicdiridollou Aug 20, 2025
9bf345a
Merge branch 'main' into gh1327_date_timedelta_range
loicdiridollou Aug 20, 2025
56be8d4
GH1327 Revert changes to start clean
loicdiridollou Aug 21, 2025
fc35578
GH1327 PR Feedback
loicdiridollou Aug 21, 2025
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43 changes: 39 additions & 4 deletions pandas-stubs/core/indexes/datetimes.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -102,11 +102,46 @@ class DatetimeIndex(
self, periods: int = 1, freq: DateOffset | Timedelta | str | None = None
) -> Self: ...

@overload
def date_range(
start: str | DateAndDatetimeLike,
end: str | DateAndDatetimeLike,
freq: str | timedelta | Timedelta | BaseOffset | None = None,
tz: TimeZones = None,
normalize: bool = False,
name: Hashable | None = None,
inclusive: IntervalClosedType = "both",
unit: TimeUnit | None = None,
) -> DatetimeIndex: ...
@overload
def date_range(
start: str | DateAndDatetimeLike | None = None,
end: str | DateAndDatetimeLike | None = None,
periods: int | None = None,
freq: str | timedelta | Timedelta | BaseOffset = "D",
start: str | DateAndDatetimeLike,
end: str | DateAndDatetimeLike,
periods: int,
tz: TimeZones = None,
normalize: bool = False,
name: Hashable | None = None,
inclusive: IntervalClosedType = "both",
unit: TimeUnit | None = None,
) -> DatetimeIndex: ...
@overload
def date_range(
start: str | DateAndDatetimeLike,
*,
periods: int,
freq: str | timedelta | Timedelta | BaseOffset | None = None,
tz: TimeZones = None,
normalize: bool = False,
name: Hashable | None = None,
inclusive: IntervalClosedType = "both",
unit: TimeUnit | None = None,
) -> DatetimeIndex: ...
@overload
def date_range(
*,
end: str | DateAndDatetimeLike,
periods: int,
freq: str | timedelta | Timedelta | BaseOffset | None = None,
tz: TimeZones = None,
normalize: bool = False,
name: Hashable | None = None,
Expand Down
36 changes: 33 additions & 3 deletions pandas-stubs/core/indexes/timedeltas.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -79,13 +79,43 @@ class TimedeltaIndex(
def to_series(self, index=..., name: Hashable = ...) -> TimedeltaSeries: ...
def shift(self, periods: int = 1, freq=...) -> Self: ...

@overload
def timedelta_range(
start: TimedeltaConvertibleTypes | None = None,
end: TimedeltaConvertibleTypes | None = None,
periods: int | None = None,
start: TimedeltaConvertibleTypes,
end: TimedeltaConvertibleTypes,
*,
freq: str | DateOffset | Timedelta | dt.timedelta | None = None,
name: Hashable | None = None,
closed: Literal["left", "right"] | None = None,
unit: None | str = ...,
) -> TimedeltaIndex: ...
@overload
def timedelta_range(
*,
end: TimedeltaConvertibleTypes,
periods: int,
freq: str | DateOffset | Timedelta | dt.timedelta | None = None,
name: Hashable | None = None,
closed: Literal["left", "right"] | None = None,
unit: None | str = ...,
) -> TimedeltaIndex: ...
@overload
def timedelta_range(
start: TimedeltaConvertibleTypes,
*,
periods: int,
freq: str | DateOffset | Timedelta | dt.timedelta | None = None,
name: Hashable | None = None,
closed: Literal["left", "right"] | None = None,
unit: None | str = ...,
) -> TimedeltaIndex: ...
@overload
def timedelta_range(
start: TimedeltaConvertibleTypes,
end: TimedeltaConvertibleTypes,
periods: int,
*,
name: Hashable | None = None,
closed: Literal["left", "right"] | None = None,
unit: None | str = ...,
) -> TimedeltaIndex: ...
5 changes: 4 additions & 1 deletion tests/test_styler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
from pandas._typing import Scalar

from tests import (
PD_LTE_23,
check,
ensure_clean,
)
Expand Down Expand Up @@ -141,7 +142,9 @@ def test_highlight_quantile() -> None:


def test_loader() -> None:
check(assert_type(DF.style.loader, PackageLoader), PackageLoader)
if PD_LTE_23:
# see GH62123 for pandas main repo, type changes in pandas 3.0
check(assert_type(DF.style.loader, PackageLoader), PackageLoader)


def test_pipe() -> None:
Expand Down
104 changes: 104 additions & 0 deletions tests/test_timefuncs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1705,6 +1705,110 @@ def test_date_range_unit():
)


def test_date_range_overloads() -> None:
"""Test different overloads of pd.date_range (GH1327)."""
t1 = pd.Timestamp("2023-04-05")
t2 = pd.Timestamp("2023-05-05")
# start end (freq None)
check(assert_type(pd.date_range(t1, t2), pd.DatetimeIndex), pd.DatetimeIndex)
# start end positional (freq None)
check(
assert_type(pd.date_range(start=t1, end=t2), pd.DatetimeIndex), pd.DatetimeIndex
)
# start periods (freq None)
check(
assert_type(pd.date_range(start=t1, periods=10), pd.DatetimeIndex),
pd.DatetimeIndex,
)
# end periods (freq None)
check(
assert_type(pd.date_range(end=t2, periods=10), pd.DatetimeIndex),
pd.DatetimeIndex,
)
# start periods (freq None)
check(assert_type(pd.date_range(t1, t2, 10), pd.DatetimeIndex), pd.DatetimeIndex)
# start end periods
check(
assert_type(pd.date_range(start=t1, end=t2, periods=10), pd.DatetimeIndex),
pd.DatetimeIndex,
)
# start end freq
check(
assert_type(pd.date_range(start=t1, end=t2, freq="ME"), pd.DatetimeIndex),
pd.DatetimeIndex,
)
# start periods freq
check(
assert_type(pd.date_range(start=t1, periods=10, freq="ME"), pd.DatetimeIndex),
pd.DatetimeIndex,
)

if TYPE_CHECKING_INVALID_USAGE:
pd.date_range(t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.date_range(start=t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.date_range(end=t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.date_range(periods=10) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.date_range(freq="BD") # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.date_range(start=t1, end=t2, periods=10, freq="BD") # type: ignore[call-overload] # pyright: ignore[reportCallIssue]


def test_timedelta_range_overloads() -> None:
"""Test different overloads of pd.timedelta_range (GH1327)."""
t1 = "1 day"
t2 = "20 day"
# start end (freq None)
check(assert_type(pd.timedelta_range(t1, t2), pd.TimedeltaIndex), pd.TimedeltaIndex)
# start end positional (freq None)
check(
assert_type(pd.timedelta_range(start=t1, end=t2), pd.TimedeltaIndex),
pd.TimedeltaIndex,
)
# start periods (freq None)
check(
assert_type(pd.timedelta_range(start=t1, periods=10), pd.TimedeltaIndex),
pd.TimedeltaIndex,
)
# end periods (freq None)
check(
assert_type(pd.timedelta_range(end=t2, periods=10), pd.TimedeltaIndex),
pd.TimedeltaIndex,
)
# start periods (freq None)
check(
assert_type(pd.timedelta_range(t1, t2, 10), pd.TimedeltaIndex),
pd.TimedeltaIndex,
)
# start end periods
check(
assert_type(
pd.timedelta_range(start=t1, end=t2, periods=10), pd.TimedeltaIndex
),
pd.TimedeltaIndex,
)
# start end freq
check(
assert_type(
pd.timedelta_range(start=t1, end=t2, freq="48h"), pd.TimedeltaIndex
),
pd.TimedeltaIndex,
)
# start periods freq
check(
assert_type(
pd.timedelta_range(start=t1, periods=10, freq="48h"), pd.TimedeltaIndex
),
pd.TimedeltaIndex,
)

if TYPE_CHECKING_INVALID_USAGE:
pd.timedelta_range(t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.timedelta_range(start=t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.timedelta_range(end=t1) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.timedelta_range(periods=10) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.timedelta_range(freq="BD") # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
pd.timedelta_range(start=t1, end=t2, periods=10, freq="BD") # type: ignore[call-overload] # pyright: ignore[reportCallIssue]


def test_DatetimeIndex_sub_timedelta() -> None:
# GH838
check(
Expand Down
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