3.14.0

New Features

• Support Vensim’s RANDOM EXPONENTIAL function (#107). (@enekomartinmartinez)

Bug fixes

• Fix truncation in Vensim’s RANDOM NORMAL function translation. (@enekomartinmartinez)

Documentation

• Add supported random functions to the documentation tables. (@enekomartinmartinez)

Internal Changes

• Add test for random functions, including comparison with Vensim outputs and expected values (#107). (@enekomartinmartinez)
• Allow to add multiple imports by the python function call builder. (@enekomartinmartinez)

3.13.4

Bug fixes

• Fix initialization dependencies for pysd.py_backend.statefuls.Smooth in the builder pysd.builders.python.python_expressions_builder.SmoothBuilder (issue #440). (@enekomartinmartinez)

3.13.3

Documentation

• Improve documentation for netCDF4 dependency. (@enekomartinmartinez)

Internal Changes

• Support for Python 3.12. (@enekomartinmartinez)
• Support for numpy >= 1.24. (@enekomartinmartinez)
• Correct some warnings management in the tests. (@enekomartinmartinez)
• Set numpy requirements to >= 1.23 to follow NEP29. (@enekomartinmartinez)
• Custom error messages when netCDF4 is missing (#435). (@enekomartinmartinez)

3.13.2

Bug fixes

• Add support for XMILE's DELAY function through DelayFixed (issue #433). (@enekomartinmartinez)

3.13.1

Bug fixes

• Fix bug with pysd.py_backend.output.ModelOutput initializing all the handlers, and thus, importing netCDF4 when unnecessary (issue #431). (@enekomartinmartinez)

3.13.0

New Features

• Include new method pysd.py_backend.model.Model.copy which allows copying a model (issue #131). (@enekomartinmartinez)
• pysd.py_backend.model.Model.select_submodel now takes an optional argument inplace when set to False it will return a modified copy of the model instead of modifying the original model (issue #131). (@enekomartinmartinez)
• pysd.py_backend.model.Model.export will now save also time component information if changed (e.g. final time, time step…). (@enekomartinmartinez)

Bug fixes

• Set the pointer of pysd.py_backend.statefuls.DelayFixed to 0 during initialization (issue #427). (@enekomartinmartinez)

• pysd.py_backend.model.Model.export now works with Macros. (@enekomartinmartinez)

Documentation

• Improve documentation of methods in pysd.py_backend.model.Model and pysd.py_backend.model.Macro includying cross-references and rewrite the one from pysd.py_backend.model.Macro.set_components. (@enekomartinmartinez)

• Include documentation about the new method pysd.py_backend.model.Model.copy and update documentation from pysd.py_backend.model.Model.select_submodel. (@enekomartinmartinez)

Performance

• Improved performace of pysd.py_backend.output.DataFrameHandler by creating the dataframe at the end of the run (issues #374 and #330). (@easyas314159 and @enekomartinmartinez)

Internal Changes

• Move old pysd.py_backend.model.Macro.set_components to pysd.py_backend.model.Macro._set_components, and create new method with the same name without the new argument. (@enekomartinmartinez)
• Move old pysd.py_backend.model.Macro.set_stateful to pysd.py_backend.model.Macro._set_stateful. (@enekomartinmartinez)
• Make integration tests filter only specific warnings. (@enekomartinmartinez)
• Include warnings in pysd.py_backend.model.Macro.set_components when changing the behaviour of the component (issue #58). (@enekomartinmartinez)

3.12.0

Breaking changes

• Remove support for Python 3.7 and 3.8. (@enekomartinmartinez)
• Update the cellrange retrievel to be compatible with openpyxl >= 3.1. It breaks the code for lower versions. (@enekomartinmartinez)

Bug fixes

• Update benchmarking tools to avoid FutureWarning for positional keys from pandas. (@enekomartinmartinez)

Documentation

• Update requirements. (@enekomartinmartinez)

Internal Changes

• Update libraries used for building documentation and .readthedocs.yml. (@enekomartinmartinez)
• Force to use xarray >= 2023.09. (@enekomartinmartinez)
• Use pandas[excel] instead of xlrd dependency in the requirements. (@gdrosos)

3.11.0

New Features

• Add the possibility to run a model one or several steps at a time, updating model variables in the process. (@rogersamso)

Documentation

• Add the Running models one (or more) step(s) at a time section in Advanced Usage. (@rogersamso)

Internal Changes

• Modify signature of the pysd.py_backend.output.ModelOutput class. It now only accepts the path of the results file (@rogersamso)
• Add the pysd.py_backend.output.ModelOutput.collect() method to the pysd.py_backend.output.ModelOutput class. (@rogersamso)
• Add the pysd.py_backend.model.Model.set_stepper() and pysd.py_backend.model.Model.step() methods to the pysd.py_backend.model.Model class. (@rogersamso)
• Add several internal methods to the pysd.py_backend.model.Model class, to avoid code repetition. (@rogersamso)
• Add FutureWarning for Python 3.7 support deprecation. (@enekomartinmartinez)

3.10.0

New Features

• Parse TABBED ARRAYS Vensim function. (@rogersamso)
• Add support for Vensim’s POWER function. (@rogersamso)
• Add possibility to pass data_files in netCDF format. (@rogersamso)
• Add support for XMILE’s non-negative flows and stocks. (@enekomartinmartinez)
• Add support for XMILE’s MIN and MAX functions with one argument. (@enekomartinmartinez)

Bug fixes

• Set the final_subscripts to an empty dictionary for ELMCOUNT function in pysd.builders.python_exressions_builder.CallBuilder.build_function_call(). (@rogersamso)
• Define comp_subtype of Unchangeable tabbed arrays as Unchangeable. This is done in pysd.builders.python.python_expressions_builder.ArrayBuilder.build(). (@rogersamso)

Documentation

• Add information about slack channel https://slofile.com/slack/sdtoolsandmet-slj3251. (@enekomartinmartinez)
• Update XMILE stocks section. (@enekomartinmartinez)

Internal Changes

• Add a weekly scheduled run to all CI workflows, which run each Monday at 06:00 UTC. (@EwoutH)
• Fix CI pipeline for Python 3.11 and remove Python 3.10 pipeline in favour of 3.11. (@kinow)
• Add non_negative argument in[pysd.translators.structures.abstract_expressions.IntegStructure. (@enekomartinmartinez)

3.9.1

New Features

• Add numpy.py as translation for the call to the function PI(). (@lionel42)

Bug fixes

• Set numpy <1.24 to avoid errors with least squares equation in pysd.py_backend.allocation.allocate_available(). (@enekomartinmartinez)
• Keep the attributes of a component when using pysd.py_backend.model.Macro.set_components() to avoid losing coords or arguments information. (@enekomartinmartinez)
• Set openpyxl <3.1 to avoid errors due to non-backwards compatible changes. (@enekomartinmartinez)
• Include time dependency in random functions to avoid them using constant cache. (@enekomartinmartinez)

Internal Changes

• Run test for Python 3.11 with ubuntu-latest (hdf5-headers need to be installed using apt manager). (@enekomartinmartinez)