Version History

v0.15.0 (2024-11-26)

New Features

The functionality of the roocs-utils library has been folded into clisops. roocs-utils is no longer a dependency of clisops (#368, #370).
The CONFIG settings have been updated to reflect the changes in roocs-utils and those required in clisops (#370).
Several development tooling libraries have been updated to their latest versions (#368).

Other Changes

The pytest testing suite has been updated to reflect the changes in the roocs-utils library and the new clisops configuration settings (#368, #370):
- Tests previously found in roocs-utils have migrated to clisops.
- xclim.testing.utils.open_dataset() has been deprecated in favour of xclim.testing.utils.nimbus().fetch().

v0.14.1 (2024-11-05)

New Features

Added new methods to clisops.core.regrid.Grid
- Added possibility to apply land or ocean mask if present in the file
- Adapted method from ESMF to detect smashed cells
- Masking degenerate (i.e. collapsed and smashed) cells
- Dropping lat/lon bounds if an integrity check fails
- Added a few attributes to the Grid object
clisops.ops.regrid: added option to request a land/sea mask for the output grid
clisops.utils.dataset_utils
- Added function determine_lon_lat_range to determine the min. and max. lat and lon values
- Added function fix_unmasked_missing_values_lon_lat to identify and mask yet unmasked missing values in lat and lon arrays
- Added force parameter to cf_convert_between_lon_frames

Bug Fixes

clisops.utils.dataset_utils
- Fixed issue in cf_convert_between_lon_frames causing the longitude frame to not be adjusted in case of NaNs in the longitude array
- Addressed issues in generate_bounds_curvilinear
  
  latitudes are now clipped above 90 or below -90 degrees north
  
  longitudes are converted to longitude frame -180, 180
  
  longitude bounds are adjusted at the Greenwich meridian or anti meridian to avoid grid cells wrapping once or more times around the globe
  
  Bounds are generated significantly faster due to making use of index slicing and numpy.vectorize

Breaking Changes

Adapted functions from roocs_utils.xarray_utils.xarray_utils into clisops.utils.dataset_utils
- get_coord_by_type now returns the name of the coordinate variable and not the coordinate variable
- get_coord_by_type optionally returns a list with further matches for the coordinate variable
- get_coord_by_type does no longer raise an exception when more than one coordinate variable matches the requested type
- get_coord_by_type raises ValueError instead of Exception when the coordinate type is unknown
- detect_coordinate raises KeyError instead of AttributeError if no coordinate could be detected
- detect_gridtype raises ValueError for unsupported grid types rather than InvalidParameterValue and Exception
clisops.core.regrid
- Grid.detect_coordinate: raises KeyError instead of AttributeError if no coordinate could be detected
clisops.ops.regrid
- Regrid._calculate: issues UserWarning instead of letting clisops.core.Weights.__init__ raise an Exception when input and output grid are alike

Other Changes

The testing suite has been refactored to make better use of context handlers when opening files with xarray, preventing synonymous read errors and improving the overall performance of the tests.
Several tests that were failing due to significantly long runtimes have been marked as slow and are now skipped by default.
GitHub Workflows now use a timeout of 20 minutes for the build suite to prevent hanging builds.

v0.14.0 (2024-10-03)

New Features

clisops now makes use of pytest-xdist for parallel testing. This can be enabled using –numprocesses={int}. See the pytest-xdist documentation for more information (#345).
Testing data caching is now handled by pooch and testing data registries (‘stratus’ for roocs/mini-esgf-data and ‘nimbus’ for Ouranosinc/xclim-testdata) (#345).
clisops coding conventions now use Python 3.9+ conventions (#345).

Breaking Changes

clisops has dropped support for Python 3.8 (#345).
Several dependencies have been updated to include lower bounds for clearer compatibility and easier maintenance (#345, #XYZ).
- The affected core dependencies are: dask >=2023.6.0, filelock >=3.15.4, geopandas >=0.14.0, jinja2 >=2.11, numpy >=1.23.0, packaging >=23.2, pandas >=1.5.0, pooch >=1.8.0, scipy >=1.9.0, and xarray >=2022.6.0.
- Extra dependencies are ipython >=8.5.0, matplotlib >=3.6.0, nbconvert >=7.14.0, nbsphinx >=0.9.5, pre-commit >=3.5.0, and sphinx >=7.0.0.
clisops no longer requires gitpython >=3.1.30 and requests >=2.0 (#345).
The development dependencies have been updated to include deptry >=0.20.0 and pytest-xdist[psutil] >=3.2 (#345).
netCDF4 has been moved from core dependency to development dependency (#345).

Other Changes

clisops.utils.testing has replaced clisops.utils.tutorial. This submodule contains several functions and variables for allowing user control over testing data fetching (#345).
The _common testing tools have been migrated to clisops.utils.testing or rewritten as pytest fixtures (#345).
Testing data fetching now uses worker threads to copy cached data to threadsafe data caches that are separated by worker (#345).

v0.13.1 (2024-08-20)

Bug Fixes

Changed the order of operations in clisops.core.subset.subset_shape to ensure that the CRS of the shapefile is compatible with the dataset CRS before attempting to subset (#340).

Breaking Changes

Anaconda builds now require cartopy >=0.23 and only support Python 3.9 and above (#340).
Many dependency version pins now include lower bounds for clearer compatibility and easier maintenance (#343).

Other Changes

Internal warnings now consistently use the clisops configured loguru logger (#335).
CI Actions now use the commit hashes for version tracking (#343).

v0.13.0 (2024-02-16)

New Features

clisops now officially supports Python 3.12 (#330).

Bug Fixes

Fixed standard file-namer fallback method (#318).
Fixed KeyError for temporal subsetting by components if not all components can be found in the dataset (#316).
Raising KeyError for temporal subsetting by components when no time steps match the selection criteria (#316).
Coordinate detection for remapping operator via standard_name if detection via cf-xarray fails / is ambiguous (#316).
Remove encoding settings with regards to compression for string variables to avoid netCDF write errors with newer netcdf-c library versions (>4.9.0) (#319).
Fixed a few docstrings, specifies some class methods as static methods (#321).
Renamed a few internal variables for clarity, rephrased a few sentences for grammar/spelling (#321).
Fixed a bug related to the creation of the weights_dir for regridding that was causing issues for Windows platforms (#313).

Other Changes

The compression level is capped at 1 to reduce write times (#319).
Updated pre-commit hooks, pinned linting tools to their pre-commit equivalents (#321).
Added a pre-commit hook as well as a configuration for codespell (#321).
Added dependabot to maintain package and GitHub Action versions (#322).
The require_module decorator can now accept supported version information (#321).
Testing data caching now uses platformdirs to determine the OS-appropriate caching location (#321).
Updated black in linting tools to v24.2.0 (#330).
Changes some print calls into logging calls in the tests (#330).
A warning is now emitted on clisops import if the installed xesmf is too old (#330).
Replaced styfle/cancel-workflow-action with GitHub Workflow concurrency settings (#330).

v0.12.2 (2024-01-03)

New Features

clisops.ops.average.average_shape added (#312). Exposing average_shape from clisops.core to clisops.ops.

Bug Fixes

Now also applying fix for datasets with shifted longitude frames (#218) for the regrid operator (#313).

Other Changes

Warnings are now emitted when the user attempts to regrid a zonal mean dataset (#313).

v0.12.1 (2023-11-30)

Bug Fixes

Instead of raising an exception, now aligning _FillValue and missing_value if they deviate from one another. (#309).

Other Changes

Warnings are now emitted if the user attempts to run the regridding utilities with a version of xarray that is not compatible with cf-xarray. (#310).
Dependency pins now constrain the xarray version when installing with $ pip install “.[extra]”. (#310).

v0.12.0 (2023-11-23)

New Features

clisops.ops.regrid, clisops.core.regrid, clisops.core.Weights and clisops.core.Grid added (#243). Allowing the remapping of geospatial data on various grids by applying the xESMF regridder.

Bug Fixes

Calling subset_shape() with a locstream case (#288) returned all coordinates inside inner_mask which is equivalent to the bounding box of the polygon, not the area inside the polygon. Fixed by defining the inner_mask in subset_shape() for the locstream case. (#292).

Other Changes

Extending the removal of redundant _FillValue attributes to all data variables and coordinates (#243).
Extending the removal of redundant coordinates in the coordinates variable attribute from bounds to all data variables (#243).
GitHub Workflows for upstream dependencies are now examined a schedule or via workflow_dispatch (#243).
black steps are now called lint for clarity/inclusiveness of other linting hooks. (#243).
pre-commit hooks now include checks for TOML files, and for ReadTheDocs and GitHub Actions configuration files. (#243).
pre-commit hooks now include sorting of TOML file sections and running black on docstring Python examples. (#306).
clisops now uses GitHub Actions with environments for handling deployment via Trusted Publishing. (#306).
Documentation has been updated to reflect the new GitHub Actions CI/CD workflow. (#306).
bump2version has been replaced with bump-my-version for handling versioning. (#306).

v0.11.0 (2023-08-22)

New Features

clisops has adopted PEP 517 and PEP 621 and now uses pyproject.toml files (using the flit backend) for package configuration. (#296).
Metadata has been modified to reflect current development status and scope of CLISOPS. (#296).
New file (requirements_upstream.txt) and Makefile recipe ("$ make upstream") for tracking and easily installing upstream dependencies. (#296).

Bug Fixes

The tests folder has been flattened and namespace files haves been removed in order to prevent pip from recognizing the folder as its own package. (#296).
The contribution guidelines were duplicated in two locations and contained conflicting information. The guidelines have now been consolidated into a single location and updated to reflect package changes. (#296).

Other Changes

GitHub Workflows for pure Python builds now use tox (4.0) to run tests. (#296).
GitHub Workflows for conda builds now test clisops using the mamba-org/setup-micromamba action. (#296).
The travis.yml file has been removed. (#296).

v0.10.1 (2023-08-21)

Bug Fixes

Fixed an issue with the type hinting for subset functions that were broken due to changes in xarray (2023.08). (#295).
Updated ReadTheDocs configuration to use Mambaforge (22.9) as engine for building documentation. (#295).

v0.10.0 (2023-06-28)

New Features

Added support for Python 3.11 (#287).

Bug Fixes

Fixed bug in core.subset.shape_bbox_indexer with the union of invalid geometries. Added regression test. (#280)
Added support in core.subset.shape_bbox_indexer for Point and MultiPoint geometries. (#283)
Fixed core.subset.subset_bbox and core.subset.subset_shape for datasets with 1D longitude and latitude (ex: Station data). (#288)

Other Changes

Shapely 2.0 is now faster than pygeos for create_mask. Removed pygeos from extra dependencies and pinned shapely above 2.0. (#289)

v0.9.6 (2023-04-05)

Bug Fixes

Fixed an issue with the pytest fixtures that was needlessly calling load_esgf_test_data multiple times while tests were running (#278).
Corrected a temporary workaround for updating split geometries that was causing issues with modern pandas versions (#278).

Other Changes

Removed some obsolete tests and adjusted pytest to always report in colour (#272).
Split conda CI builds to explicitly test against xarray/stable and xarray/dev (#272).
GitHub CI now reports coverage statistics to Coveralls.io (#276).
Updated geopandas (>=0.11), pyproj (>=3.3.0), shapely (>=1.9), tox (>=4.0), xarray (>=0.21), and xesmf (>=0.6.3) to use more modern versions (#278).

v0.9.5 (2022-12-14)

Bug Fixes

Fixed core.subset.check_levels_exist decorator by rounding (precision 4) level values like 1000.00000001 (#265).

v0.9.4 (2022-12-13)

Bug Fixes

Fixed core.subset_bbox when using level_values (#263).
Fixed core.subset_level_by_values using xarray method nearest (#262).
Updated a test expectation to support newer xarray behaviour (#259).

v0.9.3 (2022-10-03)

Bug Fixes

Fixed a bug associated with the new xarray (2022.6.0+) accessor for native indexers that was introduced in (#241). (#250, #251).

Other Changes

Fixed a handful of static type hints that were sending out warnings, despite proper use. (#251).
Replaced all skipped doctests with sphinx-compatible python code blocks to prevent errors in downstream projects. (#251).
Adjusted GitHub Actions builds to ensure that the conda-xesmf run uses the latest xarray available. (#251).

v0.9.2 (2022-09-06)

Breaking Changes

Support has been dropped for Python3.7 and extended to Python3.10. Python3.7 is no longer tested in GitHub actions (#234).
packaging has been added as a dependency (#241).

Bug Fixes

Adapted clisops.core.subset_bbox_indexer to the newest indexing API changes in xarray, with backwards compatibility (#241).

Other Changes

Docstrings and documentation configuration adjustments have been made to ensure that builds are adequately tested (#232, #235).

v0.9.1 (2022-05-12)

Bug fixes

Fix inconsistent bounds in metadata after subset operation (#224).

Other Changes

Use roocs-utils 0.6.2 to avoid test failure (#226).
Removed unneeded testing dep from environment.yml (#223).
Merged pre-commit autoupdate (#227).

v0.9.0 (2022-04-13)

New Features

clisops.ops.average.average_time and clisops.core.average.average_time added (#211). Allowing averaging over time frequencies of day, month and year.
New function create_time_bounds in clisops.utils.time_utils, to generate time bounds for temporally averaged datasets.
clisops now uses the loguru library as its primary logging engine (#216). The mechanism for enabling log reporting in scripts/notebooks using loguru is as follows:

import sys
from loguru import logger

logger.activate("clisops")
LEVEL = "INFO || DEBUG || WARNING || etc."
logger.add(sys.stdout, level=LEVEL)  # for logging to stdout
# or
logger.add("my_log_file.log", level=LEVEL, enqueue=True)  # for logging to a file

Other Changes

Pandas now pinned below version 1.4.0.
Pre-commit configuration updated with code style conventions (black, pyupgrade) set to Python3.7+ (#219).
loguru is now an install dependency, with pytest-loguru as a development-only dependency.
Added function to convert the longitude axis between different longitude frames (eg. [-180, 180] and [0, 360]) (#217, #218).

v0.8.0 (2022-01-13)

New Features

clisops.core.average.average_shape copies the global and variable attributes from the input data to the results.
clisops.ops.average.average_time and clisops.core.average.average_time added. Allowing averaging over time frequencies of day, month and year.
New function create_time_bounds in clisops.utils.time_utils, to generate time bounds for temporally averaged datasets.

Bug fixes

average_shape and create_weight_masks were adapted to work with xESMF 0.6.2, while maintaining compatibility with earlier versions.
Fix added to remove _FillValue added to coordinate variables and bounds by xarray when outputting to netCDF.

Other Changes

Passing DataArray objects to clisops.core.average.average_shape is now deprecated. Averaging requires grid cell boundaries, which are not DataArray coordinates, but independent Dataset variables. Please pass Dataset objects and an optional list of variables to average.
average_shape performs an initial subset over the averaging region, before computing the weights, to reduce memory usage.
Minimum xesmf version set to 0.6.2.
Minimum pygeos version set to 0.9.
Replace cascaded_union by unary_union to anticipate a shapely deprecation.

v0.7.0 (2021-10-26)

Breaking Changes

time input for time in ops.subset.subset but now be one of [<class ‘roocs_utils.parameter.param_utils.Interval’>, <class ‘roocs_utils.parameter.param_utils.Series’>, <class ‘NoneType’>, <class ‘str’>].
level input for level in ops.subset.subset but now be one of [<class ‘roocs_utils.parameter.param_utils.Interval’>, <class ‘roocs_utils.parameter.param_utils.Series’>, <class ‘NoneType’>, <class ‘str’>].
roocs-utils>= 0.5.0 required.

New Features

time_values and level_values arguments added to core.subset.subset_bbox which allows the user to provide a list of time/level values to select.
subset_time_by_values and subset_level_by_values added to core.subset.subset_bbox. These allow subsetting on sequence of datetimes or levels.
subset_time_by_components added to core.subset.subset_bbox. This allows subsetting by time components - year, month, day etc.
check_levels_exist and check_datetimes_exist function checkers added in core.subset to check requested levels and datetimes exist. An exception is raised if they do not exist in the dataset.
time_components argument added to ops.subset to allowing subsetting by time components such as year, month, day etc.

Other Changes

Python 3.6 no longer tested in GitHub actions.

v0.6.5 (2021-06-10)

New Features

New optional dependency PyGEOS, when installed the performance of core.subset.create_mask and cure.subset.subset_shape are greatly improved.

v0.6.4 (2021-05-17)

Breaking Changes

Exception raised in core.average.average_over_dims when dims is None.
Exception raised in core.average.average_over_shape when grid and polygon have no overlapping values.

New Features

ops.subset.subset now ensures all latitude and longitude bounds are in ascending order before passing to core.subset.subset_bbox
core.subset.subset_level now checks that the order of the bounds matches the order of the level data.
core.subset._check_desc_coords now checks the bounds provided are ascending before flipping them.

Other Changes

clisops logging no longer disables other loggers.
GitHub CI now leverages tox for testing as well as tests averaging functions via a conda-based build.
Added a CI build to run against xarray@master that is allowed to fail.

v0.6.3 (2021-03-30)

Breaking Changes

Raise an exception in core.subset.subset_bbox when there are no data points in the result.
roocs-utils>=0.3.0 required.

Bug Fixes

In core.subset.check_start_end_dates check if start and end date requested exist in the calendar of the dataset. If not, nudge the date forward if start date or backwards if end date.

Other Changes

Error message improved to include longitude bounds of the dataset when the bounds requested in ops.subset.subset are not within range and rolling could not be completed.

v0.6.2 (2021-03-22)

Bug Fixes

Better support for disjoint shapes in subset_shape.
Identify latitude and longitude using cf-xarray rather than by “lat” and “lon”

New Features

Add output_staging_dir option in etc/roocs.ini, to write files to initially before moving them to the requested output_dir.
Notebook of examples for average over dims operation added.

v0.6.1 (2021-02-23)

Bug Fixes

Add cf-xarray as dependency. This is a dependency of roocs-utils>=0.2.1 so is not a breaking change.
Remove python-dateutil, fiona and geojson as dependencies, no longer needed.

v0.6.0 (2021-02-22)

Breaking Changes

New dev dependency: GitPython==3.1.12
roocs-utils>=0.2.1 required.

New Features

average_over_dims added into average.core and average.ops
New core.average.average_shape + core.subset.subset_create_weight_masks. Depends on xESMF >= 0.5.2, which is a new optional dependency.

Bug Fixes

Fixed issue where the temporal subset was ignored if level subset selected.
Roll dataset used in subsetting when the requested longitude bounds are not within those of the dataset.
Fixed issue with subsetting grid lon and lat coordinates that are in descending order for core.subset.subset_bbox.

Other Changes

Changes to allow datasets without a time dimension to be processed without issues.
Use DatasetMapper from roocs-utils to ensure all datasets are mapped to file paths correctly.
Using file caching to gather mini-esgf-data test data.
Added a dev recipe for pip installations (pip install clisops[dev]).
Updated pre-commit and pre-commit hooks to newest versions.
Migrated linux-based integration builds to GitHub CI.
Added functionality to core.subset.create_mask so it can accept GeoDataFrames with non-integer indexes.
clisops.utils.file_namers adjusted to allow values to be overwritten and extras to be added to the end before the file extension.

v0.5.1 (2021-01-11)

Breaking Changes

Reverting breaking changes made by the change to core.subset.create_mask. This change introduces a second evaluation for shapes touching grid-points.

Other Changes

Using file caching to gather xclim test data.
Change made to core.subset.subset_bbox._check_desc_coords to cope with subsetting when only one latitude or longitude exists in the input dataset

v0.5.0 (2020-12-17)

Breaking Changes

Moved core.subset.create_mask_vectorize to core.subset.create_mask. The old spatial join option was removed.
core.subset.subset_shape lost its vectorize kwarg, as it is now default.
roocs-utils>0.1.5 used

Other Changes

udunits2>=2.2 removed as a requirement to make clisops completely pip installable.
rtee and libspatialindex removed as requirements, making it easier to install through pip.
Static types updated to include missing but permitted types.
Better handling for paths in ops.subset allowing windows build to be fixed.

v0.4.0 (2020-11-10)

Adding new features, updating doc strings and documentation and inclusion of static type support.

Breaking Changes

clisops now requires udunits2>=2.2.
roocs-utils>=0.1.4 is now required.
space parameter of clisops.ops.subset renamed to area.
chunk_rules parameter of clisops.ops.subset renamed to split_method.
filenamer parameter of clisops.ops.subset renamed to file_namer.

New Features

subset_level added.
PR template.
Config file now exists at clisops.etc.roocs.ini. This can be overwritten by setting the environment variable ROOCS_CONFIG to the file path of a config file.
Static typing added to subset operation function.
info and debugging are now logged rather than printed.
Notebook of examples for subset operation added.
split_method implemented to split output files by if they exceed the memory limit provided in clisops.etc.roocs.ini named file_size_limit. Currently only the time:auto exists which splits evenly on time ranges.
file_namer implemented in clisops.ops.subset. This has simple and standard options. simple numbers output files whereas standard names them according to the input dataset.
Memory usage when completing the subsetting operation is now managed using dask chunking. The memory limit for memory usage for this process is set in clisops.etc.roocs.ini under chunk_memory_limit.

Bug Fixes

Nudging time values to nearest available in dataset to fix a bug where subsetting failed when the exact date did not exist in the dataset.

Other Changes

cfunits dependency removed - not needed.
requirements.txt and environment.yml synced.
Documentation updated to include API.
Read the docs build now tested in CI pipeline.
md files changed to rst.
tests now use mini-esgf-data by default.

v0.3.1 (2020-08-04)

Other Changes

Add missing rtree dependency to ensure correct spatial indexing.

v0.3.0 (2020-07-23)

Other Changes

Update testdata and subset module (#34).

v0.2.1 (2020-07-08)

Other Changes

Fixed docs version (#25).

v0.2.0 (2020-06-19)

New Features

Integration of xclim subset module in clisops.core.subset.
Added jupyter notebook with and example for subsetting from xclim.

Other Changes

Fixed RTD doc build.
Updated travis CI according to xclim requirements.
Now employing PEP8 + Black compatible autoformatting.
Pre-commit is now used to launch code formatting inspections for local development.

v0.1.0 (2020-04-22)

First release.