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0.7.0.rst

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Changelog for QCoDeS 0.7.0

The October 2019 release of QCoDeS

New:

  • Introduce a new kind of deprecation warning (1752). Users, please take deprecation warnings seriously. See also breaking changes below.

Improved:

  • API documentation improved! (1725)

Improved Drivers:

  • Keithley 2600 Sourcemeter: now implements a time trace parameter and autorange functionality (1684)
  • Keysight 344xxA Digital Multimeter: now implements a time trace parameter (1750)
  • Keysight B 1500 Parameter Analyzer: now supports phase compensation, open compensation, clear frequency list, and abort measurement (1704) and reading the error message (1758)
  • Lakeshore Model 372 Temperature Controller: Improve the snapshot and add new heater parameter (1746)
  • Dynacool PPMS: the tolerance for when the magnetic field has reached its target is now a parameter (1754)

Under the hood:

  • Start supporting python 3.8 (1723)
  • Use importlib-metadata (1721)
  • Fix a bug in create_on_off_val_mapping (1732)
  • Fix a bug in get_shaped_data_by_runid (1735)
  • Use mypy 0.730 (1738)
  • Add type annotations to more of the code base (1739, 1743)
  • Require type annotations in more of the code base (1747)
  • Fix a bug in the handling of instrument metadata (1740)
  • Fix a bug in GroupParameter that prevented the use of initial_value (1742)
  • Make the set_to context manager of parameters more robust and faster (1749)
  • Make the get_latest method of parameters more robust (1751)
  • Make test collection faster (1755)

Breaking Changes:

  • Deprecation warnings are no longer issued as DeprecationWarning but as a new custom type QCoDeSDeprecationWarning that does inherit from RuntimeWarning. The reason for this is that DeprecationWarning s are suppressed in the output by default.

  • Changes to the YAML format specifying the Station. See The Station notebook. for examples of how the Station should be configured.

    • Specifying module name of a driver as driver and type is deprecated. Instead the full module path should be specified as type and the driver field removed. (1753, 1760)
    • Specifying the limits of a parameter as a list of comma separated values is deprecated. Instead the limits should be specified as an array. (1756)