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v2.3.0.rst

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Version 2.3.0

Changes

  • DataElement.description<pydicom.dataelem.DataElement.description> is deprecated and will be removed in v3.0, use DataElement.name<pydicom.dataelem.DataElement.name> instead
  • Updated the private dictionary
  • ~pydicom.config.enforce_valid_values is deprecated in favor of ~pydicom.config.settings.reading_validation_mode
  • Added download parameter to ~pydicom.data.get_testdata_file to allow skipping downloading the file if missed locally (1617)

Enhancements

  • Values are now validated for valid length, allowed character set and format on reading and writing. Depending on the value of ~pydicom.config.settings.reading_validation_mode and ~pydicom.config.settings.writing_validation_mode a warning is logged, an exception is raised, or the validation is skipped.
  • Added ~pydicom.valuerep.VR enum (1500)
  • UIDs for all Storage SOP Classes have been added to the uid module (1498)
  • Use rle_handler as last resort handler for decoding RLE encoded data as it is the slowest handler (1487)
  • Added, enhanced, or removed a number of Mitra private dictionary entries (1588)
  • Added support for unpacking bit-packed data without using NumPy to ~pydicom.pixel_data_handlers.utils.unpack_bits(1594)
  • Added ~pydicom.pixel_data_handlers.util.expand_ybr422 for expanding uncompressed YBR_FULL_422 data to YBR_FULL (1593)
  • Replacement of UN VR with SQ VR for undefined length data elements (introduced in 2.2.2), can now be configured via ~pydicom.config.settings.infer_sq_for_un_vr
  • Updated dictionaries to DICOM 2022a

Fixes

  • Fixed odd-length OB values not being padded during write (1511)
  • Fixed Hologic private dictionary entry (0019xx43)
  • Fixed Mitra global patient ID private dictionary entry (1588)
  • Fixed ~pydicom.dataset.Dataset.compress not setting the correct encoding for the rest of the dataset (1565)
  • Fixed AttributeError on deep copy of ~pydicom.dataset.FileDataset (1571)
  • Fixed an exception during pixel decoding if using GDCM < 2.8.8 on Windows (1581)
  • Fixed crashes on Windows and MacOS when using the GDCM plugin to compress into RLE Lossless (1581)
  • Fixed dir(Dataset()) not returning class attributes (1599)
  • Fixed bad DICOMDIR offsets when using FileSet.write() <pydicom.fileset.FileSet.write> with a Directory Record Sequence using undefined length items (1596)
  • Assigning a list of length one as tag value is now correctly handled as assigning the single value (1606)
  • Fixed an exception with multiple deferred reads with file-like objects (1609)