def apply_standard(self) -> FrameOrSeriesUnion:
f = self.f
obj = self.obj
with np.errstate(all="ignore"):
if isinstance(f, np.ufunc):
return f(obj)
# row-wise access
if is_extension_array_dtype(obj.dtype) and hasattr(
obj._values, "map"):
# GH#23179 some EAs do not have `map`
mapped = obj._values.map(f)
else:
values = obj.astype(object)._values
mapped = lib.map_infer(values, f, convert=self.convert_dtype)
if len(mapped) and isinstance(mapped[0], ABCSeries):
# GH 25959 use pd.array instead of tolist
# so extension arrays can be used
return obj._constructor_expanddim(pd_array(mapped),
index=obj.index)
else:
return obj._constructor(mapped, index=obj.index).__finalize__(
obj, method="apply")
def apply_standard(self) -> DataFrame | Series:
f = self.f
obj = self.obj
with np.errstate(all="ignore"):
if isinstance(f, np.ufunc):
return f(obj)
# row-wise access
if is_extension_array_dtype(obj.dtype) and hasattr(
obj._values, "map"):
# GH#23179 some EAs do not have `map`
mapped = obj._values.map(f)
else:
values = obj.astype(object)._values
# error: Argument 2 to "map_infer" has incompatible type
# "Union[Callable[..., Any], str, List[Union[Callable[..., Any], str]],
# Dict[Hashable, Union[Union[Callable[..., Any], str],
# List[Union[Callable[..., Any], str]]]]]"; expected
# "Callable[[Any], Any]"
mapped = lib.map_infer(
values,
f, # type: ignore[arg-type]
convert=self.convert_dtype,
)
if len(mapped) and isinstance(mapped[0], ABCSeries):
# GH#43986 Need to do list(mapped) in order to get treated as nested
# See also GH#25959 regarding EA support
return obj._constructor_expanddim(list(mapped), index=obj.index)
else:
return obj._constructor(mapped, index=obj.index).__finalize__(
obj, method="apply")
def apply_standard(self) -> FrameOrSeriesUnion:
f = self.f
obj = self.obj
with np.errstate(all="ignore"):
if isinstance(f, np.ufunc):
return f(obj)
# row-wise access
if is_extension_array_dtype(obj.dtype) and hasattr(obj._values, "map"):
# GH#23179 some EAs do not have `map`
mapped = obj._values.map(f)
else:
values = obj.astype(object)._values
# error: Argument 2 to "map_infer" has incompatible type
# "Union[Callable[..., Any], str, List[Union[Callable[..., Any], str]],
# Dict[Hashable, Union[Union[Callable[..., Any], str],
# List[Union[Callable[..., Any], str]]]]]"; expected
# "Callable[[Any], Any]"
mapped = lib.map_infer(
values,
f, # type: ignore[arg-type]
convert=self.convert_dtype,
)
if len(mapped) and isinstance(mapped[0], ABCSeries):
# GH 25959 use pd.array instead of tolist
# so extension arrays can be used
return obj._constructor_expanddim(pd_array(mapped), index=obj.index)
else:
return obj._constructor(mapped, index=obj.index).__finalize__(
obj, method="apply"
)
def apply_standard(self) -> FrameOrSeriesUnion:
f = self.f
obj = self.obj
with np.errstate(all="ignore"):
if isinstance(f, np.ufunc):
# error: Argument 1 to "__call__" of "ufunc" has incompatible type
# "Series"; expected "Union[Union[int, float, complex, str, bytes,
# generic], Sequence[Union[int, float, complex, str, bytes, generic]],
# Sequence[Sequence[Any]], _SupportsArray]"
return f(obj) # type: ignore[arg-type]
# row-wise access
if is_extension_array_dtype(obj.dtype) and hasattr(obj._values, "map"):
# GH#23179 some EAs do not have `map`
mapped = obj._values.map(f)
else:
values = obj.astype(object)._values
mapped = lib.map_infer(values, f, convert=self.convert_dtype)
if len(mapped) and isinstance(mapped[0], ABCSeries):
# GH 25959 use pd.array instead of tolist
# so extension arrays can be used
return obj._constructor_expanddim(pd_array(mapped), index=obj.index)
else:
return obj._constructor(mapped, index=obj.index).__finalize__(
obj, method="apply"
)
def apply_standard(self) -> DataFrame | Series:
# caller is responsible for ensuring that f is Callable
f = cast(Callable, self.f)
obj = self.obj
with np.errstate(all="ignore"):
if isinstance(f, np.ufunc):
return f(obj)
# row-wise access
if is_extension_array_dtype(obj.dtype) and hasattr(obj._values, "map"):
# GH#23179 some EAs do not have `map`
mapped = obj._values.map(f)
else:
values = obj.astype(object)._values
mapped = lib.map_infer(
values,
f,
convert=self.convert_dtype,
)
if len(mapped) and isinstance(mapped[0], ABCSeries):
# GH#43986 Need to do list(mapped) in order to get treated as nested
# See also GH#25959 regarding EA support
return obj._constructor_expanddim(list(mapped), index=obj.index)
else:
return obj._constructor(mapped, index=obj.index).__finalize__(
obj, method="apply"
)
def _sub_func(c):
_var_score = np.array(fa_df[['Bins', 'Score']][fa_df.Var == c.name])
def _get_score(v):
try:
return list(
filter(
lambda x: v in x[0] if type(x[0]) is pd._libs.interval.
Interval else v == x[0], _var_score))[0][1]
except:
return 0
return pd.Series(lib.map_infer(c.astype(object).values, _get_score),
name=c.name)
def _str_get_dummies(self, sep="|"):
from pandas import Series
arr = Series(self).fillna("")
try:
arr = sep + arr + sep
except TypeError:
arr = sep + arr.astype(str) + sep
tags: set[str] = set()
for ts in Series(arr).str.split(sep):
tags.update(ts)
tags2 = sorted(tags - {""})
dummies = np.empty((len(arr), len(tags2)), dtype=np.int64)
for i, t in enumerate(tags2):
pat = sep + t + sep
dummies[:, i] = lib.map_infer(arr.to_numpy(), lambda x: pat in x)
return dummies, tags2
def _box_values(self, values):
"""
apply box func to passed values
"""
return lib.map_infer(values, self._box_func)
def _convert_to_ndarrays(
self,
dct: Mapping,
na_values,
na_fvalues,
verbose: bool = False,
converters=None,
dtypes=None,
):
result = {}
for c, values in dct.items():
conv_f = None if converters is None else converters.get(c, None)
if isinstance(dtypes, dict):
cast_type = dtypes.get(c, None)
else:
# single dtype or None
cast_type = dtypes
if self.na_filter:
col_na_values, col_na_fvalues = _get_na_values(
c, na_values, na_fvalues, self.keep_default_na)
else:
col_na_values, col_na_fvalues = set(), set()
if c in self._parse_date_cols:
# GH#26203 Do not convert columns which get converted to dates
# but replace nans to ensure to_datetime works
mask = algorithms.isin(values,
set(col_na_values) | col_na_fvalues)
np.putmask(values, mask, np.nan)
result[c] = values
continue
if conv_f is not None:
# conv_f applied to data before inference
if cast_type is not None:
warnings.warn(
("Both a converter and dtype were specified "
f"for column {c} - only the converter will be used."),
ParserWarning,
stacklevel=find_stack_level(),
)
try:
values = lib.map_infer(values, conv_f)
except ValueError:
# error: Argument 2 to "isin" has incompatible type "List[Any]";
# expected "Union[Union[ExtensionArray, ndarray], Index, Series]"
mask = algorithms.isin(
values,
list(na_values) # type: ignore[arg-type]
).view(np.uint8)
values = lib.map_infer_mask(values, conv_f, mask)
cvals, na_count = self._infer_types(values,
set(col_na_values)
| col_na_fvalues,
try_num_bool=False)
else:
is_ea = is_extension_array_dtype(cast_type)
is_str_or_ea_dtype = is_ea or is_string_dtype(cast_type)
# skip inference if specified dtype is object
# or casting to an EA
try_num_bool = not (cast_type and is_str_or_ea_dtype)
# general type inference and conversion
cvals, na_count = self._infer_types(
values,
set(col_na_values) | col_na_fvalues, try_num_bool)
# type specified in dtype param or cast_type is an EA
if cast_type and (not is_dtype_equal(cvals, cast_type)
or is_extension_array_dtype(cast_type)):
if not is_ea and na_count > 0:
try:
if is_bool_dtype(cast_type):
raise ValueError(
f"Bool column has NA values in column {c}")
except (AttributeError, TypeError):
# invalid input to is_bool_dtype
pass
cast_type = pandas_dtype(cast_type)
cvals = self._cast_types(cvals, cast_type, c)
result[c] = cvals
if verbose and na_count:
print(f"Filled {na_count} NA values in column {c!s}")
return result
def infer(x):
dictx_sub = dictx[x.name]
if x.empty:
return lib.map_infer(x, lambda d: dictx_sub.get(d))
return lib.map_infer(
x.astype(object).values, lambda d: dictx_sub.get(d))
def _box_values(self, values):
"""
apply box func to passed values
"""
return lib.map_infer(values, self._box_func)
def _convert_to_ndarrays(self,
dct,
na_values,
na_fvalues,
verbose=False,
converters=None,
dtypes=None):
result = {}
for c, values in dct.items():
conv_f = None if converters is None else converters.get(c, None)
if isinstance(dtypes, dict):
cast_type = dtypes.get(c, None)
else:
# single dtype or None
cast_type = dtypes
if self.na_filter:
col_na_values, col_na_fvalues = _get_na_values(
c, na_values, na_fvalues, self.keep_default_na)
else:
col_na_values, col_na_fvalues = set(), set()
if conv_f is not None:
# conv_f applied to data before inference
if cast_type is not None:
warnings.warn(
("Both a converter and dtype were specified "
f"for column {c} - only the converter will be used"),
ParserWarning,
stacklevel=7,
)
try:
values = lib.map_infer(values, conv_f)
except ValueError:
mask = algorithms.isin(values,
list(na_values)).view(np.uint8)
values = lib.map_infer_mask(values, conv_f, mask)
cvals, na_count = self._infer_types(values,
set(col_na_values)
| col_na_fvalues,
try_num_bool=False)
else:
is_ea = is_extension_array_dtype(cast_type)
is_str_or_ea_dtype = is_ea or is_string_dtype(cast_type)
# skip inference if specified dtype is object
# or casting to an EA
try_num_bool = not (cast_type and is_str_or_ea_dtype)
# general type inference and conversion
cvals, na_count = self._infer_types(
values,
set(col_na_values) | col_na_fvalues, try_num_bool)
# type specified in dtype param or cast_type is an EA
if cast_type and (not is_dtype_equal(cvals, cast_type)
or is_extension_array_dtype(cast_type)):
if not is_ea and na_count > 0:
try:
if is_bool_dtype(cast_type):
raise ValueError(
f"Bool column has NA values in column {c}")
except (AttributeError, TypeError):
# invalid input to is_bool_dtype
pass
cast_type = pandas_dtype(cast_type)
cvals = self._cast_types(cvals, cast_type, c)
result[c] = cvals
if verbose and na_count:
print(f"Filled {na_count} NA values in column {c!s}")
return result
