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PyTango Meeting: minutes

**Febuary 6th 2017 **

Pytango server restart segfault

  • Tiago has a good idea of what this bug can be about.

-> This should be documented in a github issue.

  • Still low priority

Fix using deprecated NumPy API

  • This seems to have been solved by Carlos.

-> We should ask him about this issue and create a PR

  • Other compilation warnings are related to zero message queue.

-> We should investigate those warnings and probably report them on the cppTango github

Get rid of metaclass definition

  • It is done and released on pytango 9.2.1

Continuous integration

  • Travis uses conda to run PyTango unitest.

-> There is no official Tango channel in Conda

-> Travis could build this Conda package.

  • Conda might make Windows builds easier.

Define git workflow

-> Make develop branch as default branch in github

Documentation generation

  • The PyTango ESRF website is still the default result in Google

-> we should create a link on this URL to the official ReadTheDoc website.

  • Old PyTango documentations (PyTango version < 9.) are not hosted on RTD and should stay on the ESRF servers.

  • There is no documentation about documentation generation and mock system.

  • PyTango documentation needs to be reviewed:

-> Make documentation up to date

-> Promote HL API as the default way of programming in Python.

-> Document and promote new features.

  • There is a plan to improve documentation on cpptango side (task force), we should harmonize and include pytango in the task force.

Change of binding

  • It is a huge effort.

  • Alternative:

    • sip
    • cython
    • pybind11 (close to boost)
    • pure python binding.

  • It is probably better to wait Tango10 before starting something.

  • We have to keep track of what is going on in cppTango to avoid issue with the current PyTango boost implementation.

  • Build tango for windows is difficult due to boost. It has been handled by Sebastien Gara for PyTango 9.2.0.

Move itango to separate project

  • itango documentation is not on readthedoc but on pythonhosted

  • Nicolas Leclerq has done an example of what can be done today with Jupyter, Ipywidgets, Bokeh that can be combined with itango.

Refactor setup.py

  • Requierement are now supported with pip.

Server argparse

  • Extend PyTango command line interface and add custom argument.
  • Issue: corba argument are not fully compatible with argparse.
  • Low priority because it is not compatible with the starter.
  • It can be a good task to get in PyTango for some who wants to start contributing.

Rename PyTango to tango

  • We should write somthing in documentation about this renaming.

Refactor asynchronous layer

  • We still have to isolate gevent and asyncio.

Define coding standards

  • Add guide line in documentation about coding standards

Clean up

  • Keep old object for backward compatibility and advertise HL API.
  • There is a lot of attributes expose in the tango module. We should clean up at the next major realise and advertise for compatiblity