Skip to content

speedup nested_columns logic #380

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 3, 2025
Merged

speedup nested_columns logic #380

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 4 additions & 6 deletions src/nested_pandas/nestedframe/core.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -97,16 +97,14 @@ def all_columns(self) -> dict:
@property
def nested_columns(self) -> list:
"""retrieves the base column names for all nested dataframes"""
nest_cols = []
for column in self.columns:
if isinstance(self.dtypes[column], NestedDtype):
nest_cols.append(column)
return nest_cols
nested_mask = self.dtypes.apply(lambda dtype: isinstance(dtype, NestedDtype))
return self.columns[nested_mask].tolist()

@property
def base_columns(self) -> list[str]:
"""Returns the list of base (non-nested) column names"""
return [col for col in self.columns if col not in self.nested_columns]
nested_mask = self.dtypes.apply(lambda dtype: not isinstance(dtype, NestedDtype))
return self.columns[nested_mask].tolist()

def _repr_html_(self) -> str | None:
"""Override html representation"""
Expand Down