Merge remote-tracking branch 'upstream/main' into read-csv-from-directory

Author: fangchenli

ci/deps/actions-310-minimum_versions.yaml

@@ -26,7 +26,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4=4.12.3
-  - blosc=1.21.3
   - bottleneck=1.3.6
   - fastparquet=2024.2.0
   - fsspec=2024.2.0

ci/deps/actions-310.yaml

@@ -24,7 +24,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4>=4.12.3
-  - blosc>=1.21.3
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2024.2.0
@@ -52,7 +51,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0

ci/deps/actions-311-downstream_compat.yaml

@@ -25,7 +25,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4>=4.12.3
-  - blosc>=1.21.3
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2024.2.0
@@ -53,7 +52,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0
@@ -63,14 +62,12 @@ dependencies:
   - cftime
   - dask
   - ipython
-  - geopandas-base
   - seaborn
   - scikit-learn
   - statsmodels
   - coverage
   - pandas-datareader
   - pyyaml
-  - py
   - pip:
     - adbc-driver-postgresql>=0.10.0
     - adbc-driver-sqlite>=0.8.0

ci/deps/actions-311.yaml

@@ -24,7 +24,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4>=4.12.3
-  - blosc>=1.21.3
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2024.2.0
@@ -52,7 +51,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0

ci/deps/actions-312.yaml

@@ -24,7 +24,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4>=4.12.3
-  - blosc>=1.21.3
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2024.2.0
@@ -52,7 +51,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0

ci/deps/actions-313.yaml

@@ -52,7 +52,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0

doc/source/getting_started/install.rst

@@ -305,7 +305,6 @@ Installable with ``pip install "pandas[hdf5, parquet, feather, spss, excel]"``
 Dependency                                             Minimum Version    pip extra        Notes
 ====================================================== ================== ================ ==========================================================
 `PyTables <https://github.com/PyTables/PyTables>`__    3.8.0              hdf5             HDF5-based reading / writing
-`blosc <https://github.com/Blosc/c-blosc>`__           1.21.3             hdf5             Compression for HDF5; only available on ``conda``
 `zlib <https://github.com/madler/zlib>`__                                 hdf5             Compression for HDF5
 `fastparquet <https://github.com/dask/fastparquet>`__  2024.2.0           -                Parquet reading / writing (pyarrow is default)
 `pyarrow <https://github.com/apache/arrow>`__          10.0.1             parquet, feather Parquet, ORC, and feather reading / writing

doc/source/whatsnew/v3.0.0.rst

@@ -693,6 +693,7 @@ Datetimelike
 - Bug in :meth:`to_datetime` on float array with missing values throwing ``FloatingPointError`` (:issue:`58419`)
 - Bug in :meth:`to_datetime` on float32 df with year, month, day etc. columns leads to precision issues and incorrect result. (:issue:`60506`)
 - Bug in :meth:`to_datetime` reports incorrect index in case of any failure scenario. (:issue:`58298`)
+- Bug in :meth:`to_datetime` with ``format="ISO8601"`` and ``utc=True`` where naive timestamps incorrectly inherited timezone offset from previous timestamps in a series. (:issue:`61389`)
 - Bug in :meth:`to_datetime` wrongly converts when ``arg`` is a ``np.datetime64`` object with unit of ``ps``. (:issue:`60341`)
 - Bug in setting scalar values with mismatched resolution into arrays with non-nanosecond ``datetime64``, ``timedelta64`` or :class:`DatetimeTZDtype` incorrectly truncating those scalars (:issue:`56410`)
 
@@ -800,6 +801,7 @@ Plotting
 - Bug in :meth:`DataFrame.plot.bar` with ``stacked=True`` where labels on stacked bars with zero-height segments were incorrectly positioned at the base instead of the label position of the previous segment (:issue:`59429`)
 - Bug in :meth:`DataFrame.plot.line` raising ``ValueError`` when set both color and a ``dict`` style (:issue:`59461`)
 - Bug in :meth:`DataFrame.plot` that causes a shift to the right when the frequency multiplier is greater than one. (:issue:`57587`)
+- Bug in :meth:`DataFrame.plot` where ``title`` would require extra titles when plotting more than one column per subplot. (:issue:`61019`)
 - Bug in :meth:`Series.plot` preventing a line and bar from being aligned on the same plot (:issue:`61161`)
 - Bug in :meth:`Series.plot` preventing a line and scatter plot from being aligned (:issue:`61005`)
 - Bug in :meth:`Series.plot` with ``kind="pie"`` with :class:`ArrowDtype` (:issue:`59192`)

environment.yml

@@ -27,7 +27,6 @@ dependencies:
 
   # optional dependencies
   - beautifulsoup4>=4.12.3
-  - blosc
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2024.2.0
@@ -55,7 +54,7 @@ dependencies:
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
-  - xarray>=2024.1.1, <=2024.9.0
+  - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0
@@ -83,8 +82,6 @@ dependencies:
 
   # documentation
   - gitpython  # obtain contributors from git for whatsnew
-  - gitdb
-  - google-auth
   - natsort  # DataFrame.sort_values doctest
   - numpydoc
   - pydata-sphinx-theme=0.16

pandas/_libs/tslibs/strptime.pyx

@@ -444,6 +444,9 @@ def array_strptime(
             else:
                 val = str(val)
 
+            out_local = 0
+            out_tzoffset = 0
+
             if fmt == "ISO8601":
                 string_to_dts_succeeded = not string_to_dts(
                     val, &dts, &out_bestunit, &out_local,