Skip to content

Backport PR #49228 on branch 2.0.x (CLN/FIX/PERF: Don't buffer entire Stata file into memory) #51600

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
phofl merged 1 commit into from
Feb 24, 2023
Merged

Backport PR #49228 on branch 2.0.x (CLN/FIX/PERF: Don't buffer entire Stata file into memory) #51600

Show file tree
Hide file tree
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
8 changes: 8 additions & 0 deletions doc/source/user_guide/io.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6033,6 +6033,14 @@ values will have ``object`` data type.
``int64`` for all integer types and ``float64`` for floating point data. By default,
the Stata data types are preserved when importing.

.. note::

All :class:`~pandas.io.stata.StataReader` objects, whether created by :func:`~pandas.read_stata`
(when using ``iterator=True`` or ``chunksize``) or instantiated by hand, must be used as context
managers (e.g. the ``with`` statement).
While the :meth:`~pandas.io.stata.StataReader.close` method is available, its use is unsupported.
It is not part of the public API and will be removed in with future without warning.

.. ipython:: python
:suppress:

Expand Down
3 changes: 3 additions & 0 deletions doc/source/whatsnew/v2.0.0.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -857,6 +857,7 @@ Deprecations
- Deprecated :meth:`Series.backfill` in favor of :meth:`Series.bfill` (:issue:`33396`)
- Deprecated :meth:`DataFrame.pad` in favor of :meth:`DataFrame.ffill` (:issue:`33396`)
- Deprecated :meth:`DataFrame.backfill` in favor of :meth:`DataFrame.bfill` (:issue:`33396`)
- Deprecated :meth:`~pandas.io.stata.StataReader.close`. Use :class:`~pandas.io.stata.StataReader` as a context manager instead (:issue:`49228`)

.. ---------------------------------------------------------------------------
.. _whatsnew_200.prior_deprecations:
Expand Down Expand Up @@ -1163,6 +1164,8 @@ Performance improvements
- Fixed a reference leak in :func:`read_hdf` (:issue:`37441`)
- Fixed a memory leak in :meth:`DataFrame.to_json` and :meth:`Series.to_json` when serializing datetimes and timedeltas (:issue:`40443`)
- Decreased memory usage in many :class:`DataFrameGroupBy` methods (:issue:`51090`)
- Memory improvement in :class:`StataReader` when reading seekable files (:issue:`48922`)


.. ---------------------------------------------------------------------------
.. _whatsnew_200.bug_fixes:
Expand Down
Loading