ChimeraX Developer Meeting

Attendance: Greg, Zach, Tom, Eric

July 15, 2024

Agenda

• MACOSX_DEPLOYMENT_TARGET for bundle builder cythonize() to access any_cast
• Work in progress reports
• Chimera 1.18 release.
• Make Chimera end-of-life bug report and registration changes.
• Back up the Chimera build machine to a solid state drive, Windows 7.
• ChimeraX Ideas milestone clean-up.

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Discussion

• Mac deployment target for cython compiles
  • Eric building C++ 17 parser library.
  • Bundle builder compiles with cython which uses macOS 10.9 as the MACOSX_DEPLOYMENT_TARGET which fails due to missing std::any.
  • Bundle builder should tell cython correct deployment target by setting environment variable if not set.
  • Zach will fix.

• Update ChimeraX Windows compiler to C++ 17.
  • Greg says we will want to update Microsoft Windows compiler to support C++ 17.
  • We may be using Visual Studio 2013 now.

• Chimera 1.18 release
  • Not yet made.

• Exception info Python C API is deprecated
  • Eric is using this API for atom spec parser.
  • New API is in Python 3.12.
  • Unlikely to be removed for several Python versions.

• Prereq updates
  • Zach updated setuptools and pip due to security issue.
  • Eric update python shell packages
  • Tom will update packages when back next week.

• Zach tasks todo
  • Update sequence databases for blast protein
  • Relaunch redis workers if they die

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Action Items

• Greg will make Chimera 1.18 release.