Filter out numeric_only warnings from pandas

dask/dataframe/_compat.py

@@ -1,4 +1,6 @@
+import contextlib
 import string
+import warnings
 
 import numpy as np
 import pandas as pd
@@ -82,3 +84,18 @@ def makeMixedDataFrame():
         }
     )
     return df
+
+
+@contextlib.contextmanager
+def check_numeric_only_deprecation():
+
+    if PANDAS_GT_150:
+        with warnings.catch_warnings():
+            warnings.filterwarnings(
+                "ignore",
+                message="The default value of numeric_only in",
+                category=FutureWarning,
+            )
+            yield
+    else:
+        yield

dask/dataframe/core.py

@@ -33,7 +33,11 @@
 from dask.blockwise import Blockwise, BlockwiseDep, BlockwiseDepDict, blockwise
 from dask.context import globalmethod
 from dask.dataframe import methods
-from dask.dataframe._compat import PANDAS_GT_140, PANDAS_GT_150
+from dask.dataframe._compat import (
+    PANDAS_GT_140,
+    PANDAS_GT_150,
+    check_numeric_only_deprecation,
+)
 from dask.dataframe.accessor import CachedAccessor, DatetimeAccessor, StringAccessor
 from dask.dataframe.categorical import CategoricalAccessor, categorize
 from dask.dataframe.dispatch import (
@@ -1884,26 +1888,49 @@ def shift(self, periods=1, freq=None, axis=0):
         )
         return maybe_shift_divisions(out, periods, freq=freq)
 
-    def _reduction_agg(self, name, axis=None, skipna=True, split_every=False, out=None):
+    def _reduction_agg(
+        self,
+        name,
+        axis=None,
+        skipna=True,
+        split_every=False,
+        out=None,
+        numeric_only=None,
+    ):
         axis = self._validate_axis(axis)
 
-        meta = getattr(self._meta_nonempty, name)(axis=axis, skipna=skipna)
-        token = self._token_prefix + name
+        if has_keyword(getattr(self._meta_nonempty, name), "numeric_only"):
+            numeric_only_kwargs = {"numeric_only": numeric_only}
+        else:
+            numeric_only_kwargs = {}
 
-        method = getattr(M, name)
+        with check_numeric_only_deprecation():
+            meta = getattr(self._meta_nonempty, name)(
+                axis=axis, skipna=skipna, **numeric_only_kwargs
+            )
+
+        token = self._token_prefix + name
         if axis == 1:
             result = self.map_partitions(
-                method, meta=meta, token=token, skipna=skipna, axis=axis
+                _getattr_numeric_only,
+                meta=meta,
+                token=token,
+                skipna=skipna,
+                axis=axis,
+                _dask_method_name=name,
+                **numeric_only_kwargs,
             )
             return handle_out(out, result)
         else:
             result = self.reduction(
-                method,
+                _getattr_numeric_only,
                 meta=meta,
                 token=token,
                 skipna=skipna,
                 axis=axis,
                 split_every=split_every,
+                _dask_method_name=name,
+                **numeric_only_kwargs,
             )
             if isinstance(self, DataFrame):
                 result.divisions = (self.columns.min(), self.columns.max())
@@ -1980,7 +2007,11 @@ def prod(
         numeric_only=None,
     ):
         result = self._reduction_agg(
-            "prod", axis=axis, skipna=skipna, split_every=split_every, out=out
+            "prod",
+            axis=axis,
+            skipna=skipna,
+            split_every=split_every,
+            out=out,
         )
         if min_count:
             cond = self.notnull().sum(axis=axis) >= min_count
@@ -2001,7 +2032,11 @@ def max(
         self, axis=None, skipna=True, split_every=False, out=None, numeric_only=None
     ):
         return self._reduction_agg(
-            "max", axis=axis, skipna=skipna, split_every=split_every, out=out
+            "max",
+            axis=axis,
+            skipna=skipna,
+            split_every=split_every,
+            out=out,
         )
 
     @_numeric_only
@@ -2010,7 +2045,11 @@ def min(
         self, axis=None, skipna=True, split_every=False, out=None, numeric_only=None
     ):
         return self._reduction_agg(
-            "min", axis=axis, skipna=skipna, split_every=split_every, out=out
+            "min",
+            axis=axis,
+            skipna=skipna,
+            split_every=split_every,
+            out=out,
         )
 
     @derived_from(pd.DataFrame)
@@ -2130,7 +2169,11 @@ def mean(
     ):
         axis = self._validate_axis(axis)
         _raise_if_object_series(self, "mean")
-        meta = self._meta_nonempty.mean(axis=axis, skipna=skipna)
+        # NOTE: Do we want to warn here?
+        with check_numeric_only_deprecation():
+            meta = self._meta_nonempty.mean(
+                axis=axis, skipna=skipna, numeric_only=numeric_only
+            )
         if axis == 1:
             result = map_partitions(
                 M.mean,
@@ -2140,6 +2183,7 @@ def mean(
                 axis=axis,
                 skipna=skipna,
                 enforce_metadata=False,
+                numeric_only=numeric_only,
             )
             return handle_out(out, result)
         else:
@@ -2174,7 +2218,10 @@ def var(
     ):
         axis = self._validate_axis(axis)
         _raise_if_object_series(self, "var")
-        meta = self._meta_nonempty.var(axis=axis, skipna=skipna)
+        with check_numeric_only_deprecation():
+            meta = self._meta_nonempty.var(
+                axis=axis, skipna=skipna, numeric_only=numeric_only
+            )
         if axis == 1:
             result = map_partitions(
                 M.var,
@@ -2185,6 +2232,7 @@ def var(
                 skipna=skipna,
                 ddof=ddof,
                 enforce_metadata=False,
+                numeric_only=numeric_only,
             )
             return handle_out(out, result)
         else:
@@ -2321,7 +2369,10 @@ def std(
         _raise_if_object_series(self, "std")
         _raise_if_not_series_or_dataframe(self, "std")
 
-        meta = self._meta_nonempty.std(axis=axis, skipna=skipna)
+        with check_numeric_only_deprecation():
+            meta = self._meta_nonempty.std(
+                axis=axis, skipna=skipna, numeric_only=numeric_only
+            )
         is_df_like = is_dataframe_like(self._meta)
         needs_time_conversion = False
         numeric_dd = self
@@ -2348,6 +2399,7 @@ def std(
                 skipna=skipna,
                 ddof=ddof,
                 enforce_metadata=False,
+                numeric_only=numeric_only,
                 parent_meta=self._meta,
             )
             return handle_out(out, result)
@@ -2641,7 +2693,10 @@ def _kurtosis_numeric(self, fisher=True, bias=True, nan_policy="propagate"):
     def sem(self, axis=None, skipna=True, ddof=1, split_every=False, numeric_only=None):
         axis = self._validate_axis(axis)
         _raise_if_object_series(self, "sem")
-        meta = self._meta_nonempty.sem(axis=axis, skipna=skipna, ddof=ddof)
+        with check_numeric_only_deprecation():
+            meta = self._meta_nonempty.sem(
+                axis=axis, skipna=skipna, ddof=ddof, numeric_only=numeric_only
+            )
         if axis == 1:
             return map_partitions(
                 M.sem,
@@ -2652,6 +2707,7 @@ def sem(self, axis=None, skipna=True, ddof=1, split_every=False, numeric_only=No
                 skipna=skipna,
                 ddof=ddof,
                 parent_meta=self._meta,
+                numeric_only=numeric_only,
             )
         else:
             num = self._get_numeric_data()
@@ -2671,7 +2727,8 @@ def sem(self, axis=None, skipna=True, ddof=1, split_every=False, numeric_only=No
                 result.divisions = (self.columns.min(), self.columns.max())
             return result
 
-    def quantile(self, q=0.5, axis=0, method="default"):
+    @_numeric_only
+    def quantile(self, q=0.5, axis=0, numeric_only=True, method="default"):
         """Approximate row-wise and precise column-wise quantiles of DataFrame
 
         Parameters
@@ -2687,24 +2744,26 @@ def quantile(self, q=0.5, axis=0, method="default"):
         """
         axis = self._validate_axis(axis)
         keyname = "quantiles-concat--" + tokenize(self, q, axis)
+        meta = self._meta.quantile(q, axis=axis, numeric_only=numeric_only)
 
         if axis == 1:
             if isinstance(q, list):
                 # Not supported, the result will have current index as columns
                 raise ValueError("'q' must be scalar when axis=1 is specified")
+
             return map_partitions(
                 M.quantile,
                 self,
                 q,
                 axis,
                 token=keyname,
                 enforce_metadata=False,
+                numeric_only=numeric_only,
                 meta=(q, "f8"),
                 parent_meta=self._meta,
             )
         else:
             _raise_if_object_series(self, "quantile")
-            meta = self._meta.quantile(q, axis=axis)
             num = self._get_numeric_data()
             quantiles = tuple(quantile(self[c], q, method) for c in num.columns)
 
@@ -6446,7 +6505,7 @@ def _emulate(func, *args, udf=False, **kwargs):
     Apply a function using args / kwargs. If arguments contain dd.DataFrame /
     dd.Series, using internal cache (``_meta``) for calculation
     """
-    with raise_on_meta_error(funcname(func), udf=udf):
+    with raise_on_meta_error(funcname(func), udf=udf), check_numeric_only_deprecation():
         return func(*_extract_meta(args, True), **_extract_meta(kwargs, True))
 
 
@@ -8050,3 +8109,8 @@ def _raise_if_not_series_or_dataframe(x, funcname):
             "`%s` is only supported with objects that are Dataframes or Series"
             % funcname
         )
+
+
+def _getattr_numeric_only(*args, _dask_method_name, **kwargs):
+    with check_numeric_only_deprecation():
+        return getattr(M, _dask_method_name)(*args, **kwargs)

dask/dataframe/groupby.py

@@ -9,7 +9,7 @@
 import pandas as pd
 
 from dask.base import tokenize
-from dask.dataframe._compat import PANDAS_GT_150
+from dask.dataframe._compat import PANDAS_GT_150, check_numeric_only_deprecation
 from dask.dataframe.core import (
     GROUP_KEYS_DEFAULT,
     DataFrame,
@@ -345,15 +345,17 @@ def _var_chunk(df, *by):
     df = df.copy()
 
     g = _groupby_raise_unaligned(df, by=by)
-    x = g.sum()
+    with check_numeric_only_deprecation():
+        x = g.sum()
 
     n = g[x.columns].count().rename(columns=lambda c: (c, "-count"))
 
     cols = x.columns
     df[cols] = df[cols] ** 2
 
     g2 = _groupby_raise_unaligned(df, by=by)
-    x2 = g2.sum().rename(columns=lambda c: (c, "-x2"))
+    with check_numeric_only_deprecation():
+        x2 = g2.sum().rename(columns=lambda c: (c, "-x2"))
 
     return concat([x, x2, n], axis=1)
 
@@ -1245,7 +1247,8 @@ def _aca_agg(
             aggfunc = func
 
         if meta is None:
-            meta = func(self._meta_nonempty)
+            with check_numeric_only_deprecation():
+                meta = func(self._meta_nonempty)
 
         if chunk_kwargs is None:
             chunk_kwargs = {}