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Add custom getitem to cudf.pandas #17729

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Add custom getitem to cudf.pandas #17729

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ed6d857
add custom getitem
galipremsagar Jan 13, 2025
3aee3b4
Merge branch 'branch-25.02' into custom_getitem
galipremsagar Jan 14, 2025
001498a
Merge branch 'branch-25.02' into custom_getitem
galipremsagar Jan 14, 2025
bf42b63
Merge branch 'branch-25.02' into custom_getitem
galipremsagar Jan 14, 2025
a99b7ed
include Index too
galipremsagar Jan 14, 2025
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18 changes: 17 additions & 1 deletion python/cudf/cudf/pandas/_wrappers/pandas.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# SPDX-FileCopyrightText: Copyright (c) 2023-2024, NVIDIA CORPORATION & AFFILIATES.
# SPDX-FileCopyrightText: Copyright (c) 2023-2025, NVIDIA CORPORATION & AFFILIATES.
# All rights reserved.
# SPDX-License-Identifier: Apache-2.0
import abc
Expand Down Expand Up @@ -35,6 +35,7 @@
_fast_slow_function_call,
_FastSlowAttribute,
_FunctionProxy,
_maybe_wrap_result,
_Unusable,
make_final_proxy_type as _make_final_proxy_type,
make_intermediate_proxy_type as _make_intermediate_proxy_type,
Expand Down Expand Up @@ -260,6 +261,17 @@ def custom_repr_html(obj):
)[0]


def custom_getitem(self, arg):
if cudf.api.types.is_scalar(arg):
return _maybe_wrap_result(self._fsproxy_slow[arg], None)
else:
return _fast_slow_function_call(
lambda self, arg: self[arg],
self,
arg,
)[0]


if ipython_shell:
# See: https://ipython.readthedocs.io/en/stable/config/integrating.html#formatters-for-third-party-types
html_formatter = ipython_shell.display_formatter.formatters["text/html"]
Expand All @@ -285,6 +297,7 @@ def custom_repr_html(obj):
"_constructor": _FastSlowAttribute("_constructor"),
"_constructor_expanddim": _FastSlowAttribute("_constructor_expanddim"),
"_accessors": set(),
"__getitem__": custom_getitem,
},
)

Expand Down Expand Up @@ -340,6 +353,7 @@ def Index__setattr__(self, name, value):
"_data": _FastSlowAttribute("_data", private=True),
"_mask": _FastSlowAttribute("_mask", private=True),
"name": _FastSlowAttribute("name"),
"__getitem__": custom_getitem,
},
)

Expand Down Expand Up @@ -418,6 +432,7 @@ def Index__setattr__(self, name, value):
"_data": _FastSlowAttribute("_data", private=True),
"_mask": _FastSlowAttribute("_mask", private=True),
"name": _FastSlowAttribute("name"),
"__getitem__": custom_getitem,
},
)

Expand Down Expand Up @@ -455,6 +470,7 @@ def Index__setattr__(self, name, value):
"_data": _FastSlowAttribute("_data", private=True),
"_mask": _FastSlowAttribute("_mask", private=True),
"name": _FastSlowAttribute("name"),
"__getitem__": custom_getitem,
},
)

Expand Down
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