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added np.timedelta64 for series arithmatic methods #432

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Merged
merged 21 commits into from
Nov 23, 2022
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added np.timedelta64 for series arithmatic methods #432

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26 changes: 19 additions & 7 deletions pandas-stubs/core/series.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,7 @@ from pandas.core.window.rolling import (
Window,
)
from typing_extensions import TypeAlias
from typing_extensions import Never
import xarray as xr

from pandas._libs.missing import NAType
Expand Down Expand Up @@ -1211,7 +1212,7 @@ class Series(IndexOpsMixin, NDFrame, Generic[S1]):
def __add__(self, other: Timestamp) -> TimestampSeries: ...
@overload
def __add__(
self, other: num | _str | Timedelta | _ListLike | Series[S1]
self, other: num | _str | Timedelta | _ListLike | Series[S1] | np.timedelta64
) -> Series: ...
# ignore needed for mypy as we want different results based on the arguments
@overload
Expand Down Expand Up @@ -1243,7 +1244,9 @@ class Series(IndexOpsMixin, NDFrame, Generic[S1]):
def __le__(self, other: S1 | _ListLike | Series[S1]) -> Series[_bool]: ...
def __lt__(self, other: S1 | _ListLike | Series[S1]) -> Series[_bool]: ...
@overload
def __mul__(self, other: Timedelta | TimedeltaSeries) -> TimedeltaSeries: ...
def __mul__(
self, other: Timedelta | TimedeltaSeries | np.timedelta64
) -> TimedeltaSeries: ...
@overload
def __mul__(self, other: num | _ListLike | Series) -> Series: ...
def __mod__(self, other: num | _ListLike | Series[S1]) -> Series[S1]: ...
Expand Down Expand Up @@ -1304,17 +1307,19 @@ class Series(IndexOpsMixin, NDFrame, Generic[S1]):
) -> TimedeltaSeries: ...
@overload
def __sub__(
self: Series[Timestamp], other: Timedelta | TimedeltaSeries | TimedeltaIndex
self: Series[Timestamp],
other: Timedelta | TimedeltaSeries | TimedeltaIndex | np.timedelta64,
) -> TimestampSeries: ...
@overload
def __sub__(
self: Series[Timedelta], other: Timedelta | TimedeltaSeries | TimedeltaIndex
self: Series[Timedelta],
other: Timedelta | TimedeltaSeries | TimedeltaIndex | np.timedelta64,
) -> TimedeltaSeries: ...
@overload
def __sub__(self, other: num | _ListLike | Series) -> Series: ...
@overload
def __truediv__(
self, other: Timedelta | TimedeltaSeries | TimedeltaIndex
self, other: Timedelta | TimedeltaSeries | TimedeltaIndex | np.timedelta64
) -> Series[float]: ...
@overload
def __truediv__(self, other: num | _ListLike | Series[S1]) -> Series: ...
Expand Down Expand Up @@ -1739,6 +1744,9 @@ class TimestampSeries(Series[Timestamp]):
# ignore needed because of mypy
@property
def dt(self) -> TimestampProperties: ... # type: ignore[override]
def __add__(self, other: TimedeltaSeries | np.timedelta64) -> TimestampSeries: ... # type: ignore[override]
def __mul__(self, other: TimestampSeries | np.timedelta64) -> Never: ... # type: ignore[override]
def __truediv__(self, other: TimestampSeries | np.timedelta64) -> Never: ... # type: ignore[override]

class TimedeltaSeries(Series[Timedelta]):
# ignores needed because of mypy
Expand All @@ -1747,12 +1755,16 @@ class TimedeltaSeries(Series[Timedelta]):
@overload
def __add__(self, other: Timestamp | DatetimeIndex) -> TimestampSeries: ...
@overload
def __add__(self, other: Timedelta) -> TimedeltaSeries: ...
def __add__(self, other: Timedelta | np.timedelta64) -> TimedeltaSeries: ...
def __radd__(self, pther: Timestamp | TimestampSeries) -> TimestampSeries: ... # type: ignore[override]
@overload
def __mul__(self, other: num) -> TimedeltaSeries: ... # type: ignore[override]
def __sub__( # type: ignore[override]
self, other: Timedelta | TimedeltaSeries | TimedeltaIndex
self, other: Timedelta | TimedeltaSeries | TimedeltaIndex | np.timedelta64
) -> TimedeltaSeries: ...
def __truediv__(self, other: TimedeltaSeries | np.timedelta64) -> Series[float]: ... # type: ignore[override]
@overload
def __mul__(self, other: TimestampSeries | np.timedelta64) -> Never: ... # type: ignore[override]
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you need to put all the definitions of the same methods that have overloads together. Move lines 1766-1767 to after line 1761

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thanks sir

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@ramvikrams ramvikrams Nov 21, 2022 •
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error: Signature of "__mul__" incompatible with supertype "Series" [override] this is the last mypy error it doesn't go if I add # type: ignore[override] from line number 1760

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you need to put all the definitions of the same methods that have overloads together. Move lines 1766-1767 to after line 1761

done sir

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error: Signature of "__mul__" incompatible with supertype "Series" [override] this is the last mypy error it doesn't go if I add # type: ignore[override] from line number 1760

It's OK to put in the # type: ignore[override] in this case.

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error: Signature of "__mul__" incompatible with supertype "Series" [override] this is the last mypy error it doesn't go if I add # type: ignore[override] from line number 1760

It's OK to put in the # type: ignore[override] in this case.

then it shows this error error: Unused "type: ignore" comment

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check the line numbers that the error is reported on

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@ramvikrams ramvikrams Nov 22, 2022 •
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It is on line 1760 the initial error is error: Signature of "__mul__" incompatible with supertype "Series" [override] and after I add # type: ignore[override] the initial error still remains

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Push your current code and I can take a look at the CI logs

@property
def dt(self) -> TimedeltaProperties: ... # type: ignore[override]

Expand Down
16 changes: 16 additions & 0 deletions tests/test_timefuncs.py
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Expand Up @@ -5,6 +5,7 @@
from typing import (
TYPE_CHECKING,
Any,
NoReturn,
Optional,
Union,
)
Expand Down Expand Up @@ -1035,3 +1036,18 @@ def test_timedelta_range() -> None:
def test_dateoffset_freqstr() -> None:
offset = DateOffset(minutes=10)
check(assert_type(offset.freqstr, str), str)


def timedelta64_and_arithmatic_operator() -> None:
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the name of any test function must begin with test_. If you make that change, you will see that the tests will fail. They were never getting tested.

You will have to change the tests as well. See example.

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Sir even after adding the test_ the poe mypy test doesn't fail on my system

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Do poe test to run all tests or poe pytest to just run pytest which is where the failures will occur

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yes sir there were errors, I'll fix it then

s1 = pd.Series(data=pd.date_range("1/1/2020", "2/1/2020"))
s2 = pd.Series(data=pd.date_range("1/1/2021", "2/1/2021"))
s3 = s2 - s1
td = np.timedelta64(1, "M")
assert_type((s1 - td), TimestampSeries)
assert_type((s1 + td), TimestampSeries)
assert_type((s1 * td), NoReturn)
assert_type((s1 / td), NoReturn)
assert_type((s3 - td), TimedeltaSeries)
assert_type((s3 + td), TimedeltaSeries)
assert_type((s3 * td), Series[Any])
assert_type((s3 / td), Series[float])