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Updates to check the dtypes instead #55965

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8f2e9bc
Updates to check the dtypes instead
lazarust Nov 15, 2023
640e435
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Nov 17, 2023
f311b64
Switches to using is_integer_dtype()
lazarust Nov 17, 2023
dd3910b
Adds warning
lazarust Nov 17, 2023
92edc3e
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Nov 17, 2023
039cc28
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Nov 17, 2023
95b8e81
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Nov 18, 2023
90981f9
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Nov 20, 2023
02fc5ce
Merge branch 'main' into holds-integer-checks-in-plotting
lazarust Dec 15, 2023
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27 changes: 22 additions & 5 deletions pandas/plotting/_matplotlib/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -924,7 +924,9 @@ def plt(self):
@final
def _get_xticks(self):
index = self.data.index
is_datetype = index.inferred_type in ("datetime", "date", "datetime64", "time")
is_datetype = self.data.dtypes.isin(
["datetime64[ns]", "datetime", "date", "time"]
).any()

# TODO: be stricter about x?
x: list[int] | np.ndarray
Expand Down Expand Up @@ -1247,9 +1249,14 @@ def __init__(self, data, x, y, **kwargs) -> None:
MPLPlot.__init__(self, data, **kwargs)
if x is None or y is None:
raise ValueError(self._kind + " requires an x and y column")
if is_integer(x) and not self.data.columns._holds_integer():
if self.data.columns._holds_integer():
raise Warning(
"""_holds_integer is deprecated and may be removed in a future version.
Please cast to a int dtype before plotting."""
)
if is_integer(x) and not is_integer_dtype(self.data.columns):
x = self.data.columns[x]
if is_integer(y) and not self.data.columns._holds_integer():
if is_integer(y) and not is_integer_dtype(self.data.columns):
y = self.data.columns[y]

self.x = x
Expand Down Expand Up @@ -1319,7 +1326,12 @@ def __init__(
self.norm = norm

super().__init__(data, x, y, **kwargs)
if is_integer(c) and not self.data.columns._holds_integer():
if self.data.columns._holds_integer():
raise Warning(
"""_holds_integer is deprecated and may be removed in a future version.
Please cast to a int dtype before plotting."""
)
if is_integer(c) and not is_integer_dtype(self.data.columns):
c = self.data.columns[c]
self.c = c

Expand Down Expand Up @@ -1435,7 +1447,12 @@ def _kind(self) -> Literal["hexbin"]:

def __init__(self, data, x, y, C=None, *, colorbar: bool = True, **kwargs) -> None:
super().__init__(data, x, y, **kwargs)
if is_integer(C) and not self.data.columns._holds_integer():
if self.data.columns._holds_integer():
raise Warning(
"""_holds_integer is deprecated and may be removed in a future version.
Please cast to a int dtype before plotting."""
)
if is_integer(C) and not is_integer_dtype(self.data.columns):
C = self.data.columns[C]
self.C = C

Expand Down