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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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ramvikrams Nov 18, 2022
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10 changes: 8 additions & 2 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 @@ -1743,8 +1744,9 @@ class TimestampSeries(Series[Timestamp]):
# ignore needed because of mypy
@property
def dt(self) -> TimestampProperties: ... # type: ignore[override]
@overload
def __add__(self, other: Timedelta | np.timedelta64) -> TimedeltaSeries: ...
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 @@ -1755,10 +1757,14 @@ class TimedeltaSeries(Series[Timedelta]):
@overload
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 | 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
17 changes: 9 additions & 8 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 @@ -1042,11 +1043,11 @@ def timedelta64_and_arithmatic_operator() -> None:
s2 = pd.Series(data=pd.date_range("1/1/2021", "2/1/2021"))
s3 = s2 - s1
td = np.timedelta64(1, "M")
check(assert_type((s1 - td), TimestampSeries), pd.Series, pd.Timestamp)
check(assert_type((s1 + td), TimestampSeries), pd.Series, pd.Timestamp)
check(assert_type((s1 * td), TimedeltaSeries), pd.Series, pd.Timestamp)
check(assert_type((s1 / td), TimestampSeries), pd.Series, pd.Timestamp)
check(assert_type((s3 - td), TimedeltaSeries), pd.Series, pd.Timedelta)
check(assert_type((s3 + td), TimedeltaSeries), pd.Series, pd.Timedelta)
check(assert_type((s3 * td), TimedeltaSeries), pd.Series, pd.Timedelta)
check(assert_type((s3 / td), TimedeltaSeries), pd.Series, np.float)
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])