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PyEPR 1.1.4 (07/01/2023)

  • Do not use deprecated keywords in setup.cfg.
  • Silence compiler warnings.
  • Fix extlinks configuration.
  • Modernize documentation generation:
    • drop local theme
    • drop local sphinxect for IPython console highlighting
    • use the RTD sphinx theme
    • update sidebar templates
  • Fix comparibility with packaging v22.0.
  • Modernize and re-format the Python code.
  • The minimum required Python version is now v3.7.

PyEPR 1.1.3 (13/09/2021)

  • Do not use the deprecated distutils package.
  • Improve command line arguments management in setup.py.
  • Stop distributing .c code auto-generated by Cython in the source tarball. Now the .c code is generated by Cython during the build package phase.

PyEPR 1.1.2 (06/11/2021)

  • Enable CI testing with Python 3.10.
  • Update the internal copy of EPR C API to v2.3dev_pyerp112.

PyEPR 1.1.1 (07/08/2021)

  • Fix a serious issue in sdist generation.

PyEPR 1.1.0 (06/08/2021)

  • Old Python versions are no longer officially supported. Now PyEPR require Python >= 3.5 and Cython >= v0.29.
  • Introduced the pyproject.toml file.
  • The setup.py script has been simplified and modernized, now it always use setuptools and setup.cfg.
  • Now the EPR C API is handled using git submodule.
  • Fixed potential crash in cases in which the EPR C API fails to open the requested product
  • Update the test suite to use the public product ASA_APM_1PNPDE20091007_025628_000000432083_00118_39751_9244.N1. The previously used one is no longer available.
  • Continuous Integration moved to GitHub Actions (GHA).
  • Fix a leak of resources on Windows platforms.
  • The print_() method of Field and Record classes has been renamed into print(). The old print_() method is now deprecated and will be removed in future versions.
  • Support for pathlib.
  • Enforce type checking.

PyEPR 1.0.1 (07/03/2020)

  • Fixed a problem in the test using the epr.Product._fileno (only impacting MacOS-X). Also some advice about the correct use of epr.Product._fileno has been added to the documentation.
  • Always close the product object during tests. Prevents errors during CI cleanup actions on Windows.

PyEPR 1.0.0 (08/09/2019)

  • Do not use deprecated numpy API (requires Cython >= 0.29)
  • Minimal numpy version is now v1.7
  • Set Cython 'language_level` explicitly to '3str' if Cython >= v0.29, to '2' otherwise
  • Python v2.6, v3.2, v3.3 and v3.4 are now deprecated. Support for the deprecated Python version will be removed in future releases of PyEPR

PyEPR 0.9.5 (23/08/2018)

  • Fix compatibility with numpy >= 1.14: np.fromstring is deprecated
  • Update the pypi sidebar in the documentation
  • Use .rst extension for doc source files
  • Fix setup script to not use system libs if epr-api sources are available
  • Do not access fields of bands after that the product has been closed (fix a segmentation fault on windows)
  • unittest2 is now required for Python < 3.4

PyEPR 0.9.4 (29/04/2018)

  • Fix compatibility with Cython >= 0.28
  • PyEPR has been successfully tested with PyPy

PyEPR 0.9.3 (02/05/2015)

  • Fix PyEprExtension class in setup.py (closes 11)
  • Updated internal EPR API version

PyEPR 0.9.2 (08/03/2015)

  • Improved string representation of fields in case of E_TID_STRING data type. Now bytes are decoded and represented as Python strings.
  • New tutorial gdal_export_example
  • Improved "Installation" and "Testing" sections of the user manual

PyEPR 0.9.1 (27/02/2015)

  • Fix source distribution (missing EPR API C sources)

PyEPR 0.9 (27/02/2015)

  • basic support for update mode: products can now be opened in update mode ('rb+') and it is possible to call epr.Field.set_elem and epr.Field.set_elems methods to set epr.Field elements changing the contents of the epr.Product on disk. This feature is not available in the EPR C API.
  • new functions/methods and properties:
    • epr.Record.index property: returns the index of the epr.Record within the epr.Dataset
    • epr.Band.dataset property: returns the source epr.Dataset object containing the raw data used to create the epr.Band’s pixel values
    • epr.Band._field_index and epr.Band._elem_index properties: return the epr.Field index (within the epr.Record) and the element index (within the epr.Field) containing the raw data used to create the epr.Band’s pixel values
    • epr.Record.dataset_name property: returns the name of the epr.Dataset from which the Record has bee read
    • epr.Record.tot_size and epr.Field.tot_size properties: return the total size in bytes of the epr.Record and epr.Field respectively
    • epr.get_numpy_dtype function: retrieves the numpy data type corresponding to the specified EPR type ID
    • added support for some low level feature: the _magic private attribute stores the identifier of EPR C stricture, the epr.Record.get_offset returns the offset in bytes of the epr.Record within the file, and the epr.Field.get_offset method returns the epr.Field offset within the epr.Record
  • improved functions/methods:
    • epr.Field.get_elems now also handles epr.E_TID_STRING and epr.E_TID_TIME data types
    • improved epr.get_data_type_size, epr.data_type_id_to_str, epr.get_scaling_method_name and epr.get_sample_model_name functions that are now defined using the cython cpdef directive
    • the epr.Field.get_elems method has been re-written to remove loops and unnecessary data copy
    • now generator expressions are used to implement __iter__ special methods
  • the index parameter of the epr.Dataset.read_record method is now optional (defaults to zero)
  • the deprecated __revision__ variable has been removed
  • declarations of the EPR C API have been moved to the new epr.pyd
  • the const_char and const_void definitions have been dropped, no longer necessary with Cython >= 0.19
  • minimum required version for Cython is now 0.19
  • the setup.py script has been completely rewritten to be more "pip friendly". The new script uses setuptools if available and functions that use numpy are evaluated lazily so to give a chance to pip and setuptools to install dependencies, numpy, before they are actually used. This should make PyEPR "pip-installable" even on system there numpy is not already installed.
  • the test directory has been renamed into tests
  • the test suite now has a setUpModule function that automatically downloads the ENVISAT test data required for test execution. The download only happens if the test dataset is not already available.

  • tests can now be run using the setup.py script:

    $ python3 setup.py test
  • enable continuous integration and testing in for Windows using AppVeyor (32bit only)
  • status badges for AppVeyor CI and PyPI added to the HTML doc index

PyEPR 0.8.2 (03/08/2014)

  • fixed segfault caused by incorrect access to epr.Dataset.description string in case of closed products
  • fixed a memory leak in epr.Raster (closes 10)
  • the size parameters (src_width and src_height) in epr.Band.create_compatible_raster are now optional. By default a epr.Raster with the same size of the scene is created
  • the test suite have been improved
  • improved the NDVI computation example <ndvi_example>
  • updates sphinx config
  • small clarification in the installation section of the usermanual.
  • EPR C API (version bundled with the official source tar-ball)
    • in case of error always free resources before setting the error code. This avoids error shadowing in some cases.
    • fixed a bug that caused reading of the incorrect portion of data in case of mirrored annotation datasets (closes 9)
    • fixed a bug that caused incorrect data sub-sampling in case of mirrored datasets

PyEPR 0.8.1 (07/09/2013)

  • fixed an important bug in the error checking code introduced in previous release (closes 8)
  • fixed the NDVI example
  • no more display link URL in footnotes of the PDF User Manual

PyEPR 0.8 (07/09/2013)

  • now the epr.Product objects have a epr.Product.close method that can be used to explicitly close products without relying on the garbage collector behaviour (closes 7)
  • new epr.Product.closed (read-only) attribute that can be used to check if a epr.Product has been closed
  • the Product class now supports context management so they can be used in with statements
  • added entries for epr.__version__ and epr.__revision__ in the reference manual
  • the epr.__revision__ module attribute is now deprecated
  • some cythonization warnings have been fixed
  • several small improvements to the documentation

PyEPR 0.7.1 (19/08/2013)

  • fixed potential issues with conversion from python strings to char*
  • new snapshot of the EPR C API sources (2.3dev):
    • the size of the record tables has been fixed
    • the EPR_NUM_PRODUCT_TABLES has been fixed
    • fixed a missing prototype
    • several GCC warnings has been silenced
    • additional checks on return codes
    • now and error is raised when an invalid flag name is used
  • better factorization of Python 3 specific code
  • use the CLOUD flag instead of BRIGHT in unit tests
  • added function/method signature to all doc-strings for better interactive help
  • several improvements to the documentation:
    • updated the README.txt file to mention EPR C API sourced inclusion in the PyEPR 0.7 (and lates) source tar-ball
    • small fix in the installation instructions: the pip tool does not have a "--prefix" parameter
    • always use the python3 syntax for the print function in all examples in the documentation
    • links to older (and dev) versions of the documentation have been added in the man page of the HTML doc
    • removed date form the doc meta-data. The documentation build date is reported in the front page of the LaTeX (PDF) doc and, starting from this release, in the footer of the HTML doc.
    • the Ohloh widget has been added in the sidebar of the HTML doc
    • improved the regexp for detecting the SW version in the :file`setup.py` script
    • formatting

PyEPR 0.7 (04/08/2013)

  • more detailed error messages in case of open failures
  • new sphinx theme for the HTML documentation
  • Travis-CI has been set-up for the project

  • now the source tar-ball also includes a copy of the EPR C API sources so that no external C library is required to build PyEPR.

    This features also makes it easier to install PyEPR using pip.

    The user can still guild PyEPR against a system version of the ERP-API library simply using the --epr-api-src option of the setup.py script with "None"" as value.

    The ERP C API included in the source tar-ball is version 2.3dev-pyepr062, a development and patched version that allows the following enhancements.

    • support for ERS products in ENVISAT format
    • support for ASAR products generated with the new ASAR SW version 6.02 (ref. doc. PO-RS-MDA-GS-2009_4/C
    • fix incorrect reading of "incident_angle" bands (closes 6). The issue is in the EPR C API.

PyEPR 0.6.1 (26/04/2012)

  • fix compatibility with Cython 0.16
  • added a new option to the setup script (--epr-api-src) to build PyEPR using the EPR-API C sources

PyEPR 0.6 (12/08/2011)

  • full support for Python 3
  • improved code highligh in the documentation
  • depend from cython >= 0.13 instead of cython >= 0.14.1. Cythonizing epr.pyx with Python 3 requires cython >= 0.15

PyEPR 0.5 (25/04/2011)

  • stop using :cPyFile_AsFile that is no more available in Python 3
  • now documentation uses intersphinx capabilities
  • code examples added to documentation
  • tutorials added to documentation
  • the LICENSE.txt file is now included in the source distribution
  • the Cython construct with nogil is now used instead of calling :cPy_BEGIN_ALLOW_THREADS and :cPy_END_ALLOW_THREADS directly
  • dropped old versions of Cython; now Cython 0.14.1 or newer is required
  • suppressed several constness related warnings

PyEPR 0.4 (10/04/2011)

  • fixed a bug in the epr.Product.__str__, Dataset.__str__ and erp.Band.__repr__ methods (bad formatting)
  • fixed epr.Field.get_elems method for char and uchar data types
  • implemented epr.Product.read_bitmask_raster, now the epr.Product API is complete
  • fixed segfault in epr.Field.get_unit method when the field has no unit
  • a smaller dataset is now used for unit tests
  • a new tutorial section has been added to the user documentation

PyEPR 0.3 (01/04/2011)

  • version string of the EPR C API is now exposed as module attribute epr.EPR_C_API_VERSION
  • implemented __repr__, __str__, __eq__, __ne__ and __iter__ special methods
  • added utility methods (not included in the C API) like:
    • epr.Record.get_field_names
    • epr.Record.fields
    • epr.Dataset.records
    • epr.Product.get_dataset_names
    • epr.Product.get_band_names
    • epr.Product.datasets
    • epr.Product.bands
  • fixed a logic error that caused empty messages in custom EPR exceptions

PyEPR 0.2 (20/03/2011)

  • sphinx documentation added
  • added docstrings to all method and classes
  • renamed some method and parameter in order to avoid redundancies and have a more pythonic API
  • in case of null pointers a epr.EPRValueError is raised
  • improved C library shutdown management
  • introduced some utility methods to epr.Product and epr.Record classes

PyEPR 0.1 (09/03/2011)

Initial release