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Upcoming version

New adapter and instrument mechanics

  • Channel class added. Instrument.channels and Instrument.ch_X (X is any channel name) are reserved for channel implementations.
  • All instruments are required to accept a name argument.
  • Changed: read_bytes of all Adapters by default does not stop reading on a termination character, unless the new argument break_on_termchar is set to True.

Deprecated features

  • HP 34401A: voltage_ac, current_dc, current_ac, resistance, resistance_4w properties, use function_ and reading properties instead.
  • Toptica IBeamSmart: channel1_enabled, use ch_1.enabled property instead (similar channel2). Also laser_enabled is deprecated in favor of emission.
  • TelnetAdapter: use VISAAdapter instead. VISA supports TCPIP connections. Use the resource_name TCPIP[board]::<hostname>::<port>::SOCKET to connect to a server.
  • Attocube ANC300: host argument, pass a resource string or adapter as Adapter passed to Instrument. Now communicates through the VISAAdapter rather than deprecated TelnetAdapter. The initializer now accepts name as its second keyword argument so all previous initialization positional arguments (axisnames, passwd, query_delay) should be switched to keyword arguments.
  • The property creators control, measurement, and setting do not accept arbitrary keyword arguments anymore. Use the v_kwargs parameter to give further arguments to values method.

Version 0.11.1 (2022-12-31)

Adapter and instrument mechanics

  • Fix broken PrologixAdapter.gpib. Due to a bug in VISAAdapter, you could not get a second adapter with that connection (#765).

Full Changelog: https://github.com/pymeasure/pymeasure/compare/v0.11.0...v0.11.1

Dependency updates

  • Required version of PyQtGraph is increased from pyqtgraph >= 0.9.10 to pyqtgraph >= 0.12 to support new PyMeasure display widgets.

GUI

  • Added ManagedDockWindow to allow multiple dockable plots (@mcdo0486, @CasperSchippers, #722)
  • Move coordinates label to the pyqtgraph PlotItem (@CasperSchippers, #822)
  • New sequencer architecture (@msmttchr, @CasperSchippers, @mcdo0486, #518)
  • Added "Save Dock Layout" functionality to DockWidget context menu. (@mcdo0486, #762)

Version 0.11.0 (2022-11-19)

Main items of this new release:

  • 11 new instrument drivers have been added
  • A method for testing instrument communication without hardware present has been added, see the documentation.
  • The separation between Instrument and Adapter has been improved to make future modifications easier. Adapters now focus on the hardware communication, and the communication protocol should be defined in the Instruments. Details in a section below.
  • The GUI is now compatible with Qt6.
  • We have started to clean up our API in preparation for a future version 1.0. There will be deprecations and subsequent removals, which will be prominently listed in the changelog.

Deprecated features

In preparation for a stable 1.0 release and a more consistent API, we have now started formally deprecating some features. You should get warnings if those features are used.

  • Adapter methods ask, values, binary_values, use Instrument methods of the same name instead.
  • Adapter parameter preprocess_reply, override Instrument.read instead.
  • Adapter.query_delay in favor of Instrument.wait_for().
  • Keithley 2260B: enabled property, use output_enabled instead.

New adapter and instrument mechanics

  • Nothing should have changed for users, this section is mainly interesting for instrument implementors.
  • Documentation in 'Advanced communication protocols' in 'Adding instruments'.
  • Adapter logs written and read messages.
  • Particular adapters (VISAAdapter etc.) implement the actual communication.
  • Instrument.control getter calls Instrument.values.
  • Instrument.values calls Instrument.ask, which calls Instrument.write, wait_for, and read.
  • All protocol quirks of an instrument should be implemented overriding Instrument.write and read.
  • Instrument.wait_until_read implements waiting between writing and reading.
  • reading/writing binary values is in the Adapter class itself.
  • PrologixAdapter is now based on VISAAdapter.
  • SerialAdapter improved to be more similar to VISAAdapter: read/write use strings, read/write_bytes bytes. - Support for termination characters added.

Instruments

  • New Active Technologies AWG-401x (@garzetti, #649)
  • New Eurotest hpp_120_256_ieee (@sansanda, #701)
  • New HC Photonics crystal ovens TC038, TC038D (@bmoneke, #621, #706)
  • New HP 6632A/6633A/6634A power supplies (@LongnoseRob, #651)
  • New HP 8657B RF signal generator (@LongnoseRob, #732)
  • New Rohde&Schwarz HMP4040 power supply. (@bleykauf, #582)
  • New Siglent SPDxxxxX series Power Supplies (@AidenDawn, #719)
  • New Temptronic Thermostream devices (@mroeleke, #368)
  • New TEXIO PSW-360L30 Power Supply (@LastStarDust, #698)
  • New Thermostream ECO-560 (@AidenDawn, #679)
  • New Thermotron 3800 Oven (@jcarbelbide, #606)
  • Harmonize instruments' adapter argument (@bmoneke, #674)
  • Harmonize usage of shutdown method (@LongnoseRob, #739)
  • Rework Adapter structure (@bmoneke, #660)
  • Add Protocol tests without hardware present (@bilderbuchi, #634, @bmoneke, #628, #635)
  • Add Instruments and adapter protocol tests for adapter rework (@bmoneke, #665)
  • Add SR830 sync filter and reference source trigger (@AsafYagoda, #630)
  • Add Keithley6221 phase marker phase and line (@AsafYagoda, #629)
  • Add missing docstrings to Keithley 2306 battery simulator (@AidenDawn, #720)
  • Fix hcp instruments documentation (@bmoneke, #671)
  • Fix HPLegacyInstrument initializer API (@bilderbuchi, #684)
  • Fix Fwbell 5080 implementation (@mcdo0486, #714)
  • Fix broken documentation example. (@bmoneke, #738)
  • Fix typo in Keithley 2600 driver (@mcdo0486, #615)
  • Remove dynamic use of docstring from ATS545 and make more generic (@AidenDawn, #685)

Automation

  • Add storing unitful experiment results (@bmoneke, #642)
  • Add storing conditions in file (@CasperSchippers, #503)

GUI

  • Add compatibility with Qt 6 (@CasperSchippers, #688)
  • Add spinbox functionality for IntegerParameter and FloatParameter (@jarvas24, #656)
  • Add "delete data file" button to the browser_item_menu (@jarvas24, #654)
  • Split windows.py into a folder with separate modules (@mcdo0486, #593)
  • Remove dependency on matplotlib (@msmttchr, #622)
  • Remove deprecated access to QtWidgets through QtGui (@maederan201, #695)

Miscellaneous

  • Update and extend documentation (@bilderbuchi, #712, @bmoneke, #655)
  • Add PEP517 compatibility & dynamically obtaining a version number (@bilderbuchi, #613)
  • Add an example and documentation regarding using a foreign instrument (@bmoneke, #647)
  • Add black configuration (@bleykauf, #683)
  • Remove VISAAdapter.has_supported_version() as it is not needed anymore.

New Contributors

@jcarbelbide, @mroeleke, @bmoneke, @garzetti, @AsafYagoda, @AidenDawn, @LastStarDust, @sansanda

Full Changelog: https://github.com/pymeasure/pymeasure/compare/v0.10.0...v0.11.0

Version 0.10.0 (2022-04-09)

Main items of this new release:

  • 23 new instrument drivers have been added
  • New dynamic Instrument properties can change their parameters at runtime
  • Communication settings can now be flexibly defined per protocol
  • Python 3.10 support was added and Python 3.6 support was removed.
  • Many additions, improvements and have been merged

Instruments

  • New Agilent B1500 Data Formats and Documentation (@moritzj29)
  • New Anaheim Automation stepper motor controllers (@samcondon4)
  • New Andeen Hagerling capacitance bridges (@dkriegner)
  • New Anritsu MS9740A Optical Spectrum Analyzer (@md12g12)
  • New BK Precision 9130B Instrument (@dennisfeng2)
  • New Edwards nXDS (10i) Vacuum Pump (@hududed)
  • New Fluke 7341 temperature bath instrument (@msmttchr)
  • New Heidenhain ND287 Position Display Unit Driver (@samcondon4)
  • New HP 3478A (@LongnoseRob)
  • New HP 8116A 50 MHz Pulse/Function Generator (@CodingMarco)
  • New Keithley 2260B DC Power Supply (@bklebel)
  • New Keithley 2306 Dual Channel Battery/Charger Simulator (@mfikes)
  • New Keithley 2600 SourceMeter series (@Daivesd)
  • New Keysight N7776C Swept Laser Source (@maederan201)
  • New Lakeshore 421 (@CasperSchippers)
  • New Oxford IPS120-10 (@CasperSchippers)
  • New Pendulum CNT-91 frequency counter (@bleykauf)
  • New Rohde&Schwarz - SFM TV test transmitter (@LongnoseRob)
  • New Rohde&Schwarz FSL spectrum analyzer (@bleykauf)
  • New SR570 current amplifier driver (@pyMatJ)
  • New Stanford Research Systems SR510 instrument driver (@samcondon4)
  • New Toptica Smart Laser diode (@dkriegner)
  • New Yokogawa GS200 Instrument (@dennisfeng2)
  • Add output low grounded property to Keithley 6221 (@CasperSchippers)
  • Add shutdown function for Keithley 2260B (@bklebel)
  • Add phase control for Agilent 33500 (@corna)
  • Add assigning "ONCE" to auto_zero to Keithley 2400 (@mfikes)
  • Add line frequency controls to Keithley 2400 (@mfikes)
  • Add LIA and ERR status byte read properties to the SRS Sr830 driver (@samcondon4)
  • Add all commands to Oxford Intelligent Temperature Controller 503 (@CasperSchippers)
  • Fix DSP 7265 lockin amplifier (@CasperSchippers)
  • Fix bug in Keithley 6517B Electrometer (@CasperSchippers)
  • Fix Keithley2000 deprecated call to visa.config (@bklebel)
  • Fix bug in the Keithley 2700 (@CasperSchippers)
  • Fix setting of sensor flags for Thorlabs PM100D (@bleykauf)
  • Fix SCPI used for Keithley 2400 voltage NPLC (@mfikes)
  • Fix missing return statements in Tektronix AFG3152C (@bleykauf)
  • Fix DPSeriesMotorController bug (@samcondon4)
  • Fix Keithley2600 error when retrieving error code (@bicarlsen)
  • Fix Attocube ANC300 with new SCPI Instrument properties (@dkriegner)
  • Fix bug in wait_for_trigger of Agilent33220A (neal-kepler)

GUI

  • Add time-estimator widget (@CasperSchippers)
  • Add management of progress bar (@msmttchr)
  • Remove broken errorbar feature (@CasperSchippers)
  • Change of pen width for pyqtgraph (@maederan201)
  • Make linewidth changeable (@CasperSchippers)
  • Generalise warning in plotter section (@CasperSchippers)
  • Implement visibility groups in InputsWidgets (@CasperSchippers)
  • Modify navigation of ManagedWindow directory widget (@jarvas24)
  • Improve Placeholder logic (@CasperSchippers)
  • Breakout widgets into separate modules (@mcdo0486)
  • Fix setSizePolicy bug with PySide2 (@msmttchr)
  • Fix managed window (@msmttchr)
  • Fix ListParameter for numbers (@moritzj29)
  • Fix incorrect columns on showing data (@CasperSchippers)
  • Fix procedure property issue (@msmttchr)
  • Fix pyside2 (@msmttchr)

Miscellaneous

  • Improve SCPI property support (@msmttchr)
  • Remove broken safeKeyword management (@msmttchr)
  • Add dynamic property support (@msmttchr)
  • Add flexible API for defining connection configuration (@bilderbuchi)
  • Add write_binary_values() to SerialAdapter (@msmttchr)
  • Change an outdated pyvisa ask() to query() (@LongnoseRob)
  • Fix ZMQ bug (@bilderbuchi)
  • Documentation for passing tuples to control property (@bklebel)
  • Documentation bugfix (@CasperSchippers)
  • Fixed broken links in documentation. (@samcondon4)
  • Updated widget documentation (@mcdo0486)
  • Fix typo SCIP->SCPI (@mfikes)
  • Remove Python 3.6, add Python 3.10 testing (@bilderbuchi)
  • Modernise the code base to use Python 3.7 features (@bilderbuchi)
  • Added image data generation to Mock Instrument class (@samcondon4)
  • Add autodoc warnings to the problem matcher (@bilderbuchi)
  • Update CI & annotations (@bilderbuchi)
  • Test workers (@mcdo0486)
  • Change copyright date to 2022 (@LongnoseRob)
  • Removed unused code (@msmttchr)

New Contributors

@LongnoseRob, @neal, @hududed, @corna, @Daivesd, @samcondon4, @maederan201, @bleykauf, @mfikes, @bicarlsen, @md12g12, @CodingMarco, @jarvas24, @mcdo0486!

Full Changelog: https://github.com/pymeasure/pymeasure/compare/v0.9...v0.10.0

Version 0.9 -- released 2/7/21

  • PyMeasure is now officially at github.com/pymeasure/pymeasure
  • Python 3.9 is now supported, Python 3.5 removed due to EOL
  • Move to GitHub Actions from TravisCI and Appveyor for CI (@bilderbuchi)
  • New additions to Oxford Instruments ITC 503 (@CasperSchippers)
  • New Agilent 34450A and Keysight DSOX1102G instruments (@theMashUp, @jlarochelle)
  • Improvements to NI VirtualBench (@moritzj29)
  • New Agilent B1500 instrument (@moritzj29)
  • New Keithley 6517B instrument (@wehlgrundspitze)
  • Major improvements to PyVISA compatbility (@bilderbuchi, @msmttchr, @CasperSchippers, @cjermain)
  • New Anapico APSIN12G instrument (@StePhanino)
  • Improvements to Thorelabs Pro 8000 and SR830 (@Mike-HubGit)
  • New SR860 instrument (@StevenSiegl, @bklebel)
  • Fix to escape sequences (@tirkarthi)
  • New directory input for ManagedWindow (@paulgoulain)
  • New TelnetAdapter and Attocube ANC300 Piezo controller (@dkriegner)
  • New Agilent 34450A (@theMashUp)
  • New Razorbill RP100 strain cell controller (@pheowl)
  • Fixes to precision and default value of ScientificInput and FloatParameter (@moritzj29)
  • Fixes for Keithly 2400 and 2450 controls (@pyMatJ)
  • Improvments to Inputs and open_file_externally (@msmttchr)
  • Fixes to Agilent 8722ES (@alexmcnabb)
  • Fixes to QThread cleanup (@neal-kepler, @msmttchr)
  • Fixes to Keyboard interrupt, and parameters (@CasperSchippers)

Version 0.8 -- released 3/29/19

  • Python 3.8 is now supported
  • New Measurement Sequencer allows for running over a large parameter space (@CasperSchippers)
  • New image plotting feature for live image measurements (@jmittelstaedt)
  • Improvements to VISA adapter (@moritzj29)
  • Added Tektronix AFG 3000, Keithley 2750 (@StePhanino, @dennisfeng2)
  • Documentation improvements (@mivade)
  • Fix to ScientificInput for float strings (@moritzj29)
  • New validator: strict_discrete_range (@moritzj29)
  • Improvements to Recorder thread joining
  • Migrating the ReadtheDocs configuration to version 2
  • National Instruments Virtual Bench initial support (@moritzj29)

Version 0.7 -- released 8/4/19

  • Dropped support for Python 3.4, adding support for Python 3.7
  • Significant improvements to CI, dependencies, and conda environment (@bilderbuchi, @cjermain)
  • Fix for PyQT issue in ResultsDialog (@CasperSchippers)
  • Fix for wire validator in Keithley 2400 (@Fattotora)
  • Addition of source_enabled control for Keithley 2400 (@dennisfeng2)
  • Time constant fix and input controls for SR830 (@dennisfeng2)
  • Added Keithley 2450 and Agilent 33521A (@hlgirard, @Endever42)
  • Proper escaping support in CSV headers (@feph)
  • Minor updates (@dvase)

Version 0.6.1 -- released 4/21/19

  • Added Elektronica SM70-45D, Agilent 33220A, and Keysight N5767A instruments (@CasperSchippers, @sumatrae)
  • Fixes for Prologix adapter and Keithley 2400 (@hlgirard, @ronan-sensome)
  • Improved support for SRS SR830 (@CasperSchippers)

Version 0.6 -- released 1/14/19

  • New VXI11 Adapter for ethernet instruments (@chweiser)
  • PyQt updates to 5.6.0
  • Added SRS SG380, Ametek 7270, Agilent 4156, HP 34401A, Advantest R3767CG, and Oxford ITC503 instrustruments (@sylkar, @jmittelstaedt, @vik-s, @troylf, @CasperSchippers)
  • Updates to Keithley 2000, Agilent 8257D, ESP 300, and Keithley 2400 instruments (@watersjason, @jmittelstaedt, @nup002)
  • Various minor bug fixes (@thosou)

Version 0.5.1 -- released 4/14/18

  • Minor versions of PyVISA are now properly handled
  • Documentation improvements (@Laogeodritt and @ederag)
  • Instruments now have set_process capability (@bilderbuchi)
  • Plotter now uses threads (@dvspirito)
  • Display inputs and PlotItem improvements (@Laogeodritt)

Version 0.5 -- released 10/18/17

  • Threads are used by default, eliminating multiprocessing issues with spawn
  • Enhanced unit tests for threading
  • Sphinx Doctests are added to the documentation (@bilderbuchi)
  • Improvements to documentation (@JuMaD)

Version 0.4.6 -- released 8/12/17

  • Reverted multiprocessing start method keyword arguments to fix Unix spawn issues (@ndr37)
  • Fixes to regressions in Results writing (@feinsteinben)
  • Fixes to TCP support using cloudpickle (@feinsteinben)
  • Restructing of unit test framework

Version 0.4.5 -- released 7/4/17

  • Recorder and Scribe now leverage QueueListener (@feinsteinben)
  • PrologixAdapter and SerialAdapter now handle Serial objects as adapters (@feinsteinben)
  • Optional TCP support now uses cloudpickle for serialization (@feinsteinben)
  • Significant PEP8 review and bug fixes (@feinsteinben)
  • Includes docs in the code distribution (@ghisvail)
  • Continuous integration support for Python 3.6 (@feinsteinben)

Version 0.4.4 -- released 6/4/17

  • Fix pip install for non-wheel builds
  • Update to Agilent E4980 (@dvspirito)
  • Minor fixes for docs, tests, and formatting (@ghisvail, @feinsteinben)

Version 0.4.3 -- released 3/30/17

  • Added Agilent E4980, AMI 430, Agilent 34410A, Thorlabs PM100, and Anritsu MS9710C instruments (@TvBMcMaster, @dvspirito, and @mhdg)
  • Updates to PyVISA support (@minhhaiphys)
  • Initial work on resource manager (@dvspirito)
  • Fixes for Prologix adapter that allow read-write delays (@TvBMcMaster)
  • Fixes for conda environment on continuous integration

Version 0.4.2 -- released 8/23/16

  • New instructions for installing with Anaconda and conda-forge package (thanks @melund!)
  • Bug-fixes to the Keithley 2000, SR830, and Agilent E4408B
  • Re-introduced the Newport ESP300 motion controller
  • Major update to the Keithely 2400, 2000 and Yokogawa 7651 to achieve a common interface
  • New command-string processing hooks for Instrument property functions
  • Updated LakeShore 331 temperature controller with new features
  • Updates to the Agilent 8257D signal generator for better feature exposure

Version 0.4.1 -- released 7/31/16

  • Critical fix in setup.py for importing instruments (also added to documentation)

Version 0.4 -- released 7/29/16

  • Replaced Instrument add_measurement and add_control with measurement and control functions
  • Added validators to allow Instrument.control to match restricted ranges
  • Added mapping to Instrument.control to allow more flexible inputs
  • Conda is now used to set up the Python environment
  • macOS testing in continuous integration
  • Major updates to the documentation

Version 0.3 -- released 4/8/16

  • Added IPython (Jupyter) notebook support with significant features
  • Updated set of example scripts and notebooks
  • New PyMeasure logo released
  • Removed support for Python <3.4
  • Changed multiprocessing to use spawn for compatibility
  • Significant work on the documentation
  • Added initial tests for non-instrument code
  • Continuous integration setup for Linux and Windows

Version 0.2 -- released 12/16/15

  • Python 3 compatibility, removed support for Python 2
  • Considerable renaming for better PEP8 compliance
  • Added MIT License
  • Major restructuring of the package to break it into smaller modules
  • Major rewrite of display functionality, introducing new Qt objects for easy extensions
  • Major rewrite of procedure execution, now using a Worker process which takes advantage of multi-core CPUs
  • Addition of a number of examples
  • New methods for listening to Procedures, introducing ZMQ for TCP connectivity
  • Updates to Keithley2400 and VISAAdapter

Version 0.1.6 -- released 4/19/15

  • Renamed the package to PyMeasure from Automate to be more descriptive about its purpose
  • Addition of VectorParameter to allow vectors to be input for Procedures
  • Minor fixes for the Results and Danfysik8500

Version 0.1.5 -- release 10/22/14

  • New Manager class for handling Procedures in a queue fashion
  • New Browser that works in tandem with the Manager to display the queue
  • Bug fixes for Results loading

Version 0.1.4 -- released 8/2/14

  • Integrated Results class into display and file writing
  • Bug fixes for Listener classes
  • Bug fixes for SR830

Version 0.1.3 -- released 7/20/14

  • Replaced logging system with Python logging package
  • Added data management (Results) and bug fixes for Procedures and Parameters
  • Added pandas v0.14 to requirements for data management
  • Added data listeners, Qt4 and PyQtGraph helpers

Version 0.1.2 -- released 7/18/14

  • Bug fixes to LakeShore 425
  • Added new Procedure and Parameter classes for generic experiments
  • Added version number in package

Version 0.1.1 -- released 7/16/14

  • Bug fixes to PrologixAdapter, VISAAdapter, Agilent 8722ES, Agilent 8257D, Stanford SR830, Danfysik8500
  • Added Tektronix TDS 2000 with basic functionality
  • Fixed Danfysik communication to handle errors properly

Version 0.1.0 -- released 7/15/14

  • Initial release