Update version to 0.19.0

[95-martin-orion]

This minor version adds support for the "basic" version of qsim on Apple Silicon (#643).

[95-martin-orion]

It seems like something changed between when #643 was merged and this PR. This could be an actual change or simply a flake due to different Github Actions runners - details are below. The main difference I see is python@3.11 in this PR's logs, which appears to have failed to link.

Logs from PR #643

Building cp37-macosx_x86_64 wheel
CPython 3.7 macOS x86_64

Installing Python cp37...
                                                             ✓ 24.43s
Setting up build environment...
                                                              ✓ 5.90s
Installing build tools...
                                                              ✓ 2.82s
Running before_build...
  
  + brew install libomp llvm && brew link --overwrite python@3.11 && brew link --force libomp
  Warning: libomp 17.0.1 is already installed and up-to-date.
  To reinstall 17.0.1, run:
    brew reinstall libomp
  ==> Downloading https://ghcr.io/v2/homebrew/core/llvm/manifests/16.0.6
  ==> Fetching dependencies for llvm: z3
  ==> Downloading https://ghcr.io/v2/homebrew/core/z3/manifests/4.12.2
  ==> Fetching z3
  ==> Downloading https://ghcr.io/v2/homebrew/core/z3/blobs/sha256:80ce63d42c4377b4e4d30299bbb9a99f3adfd2d8[78](https://github.com/quantumlib/qsim/actions/runs/7022643536/job/19108288226#step:7:80)936ad6717e63bd73fd28d9
  ==> Fetching llvm
  ==> Downloading https://ghcr.io/v2/homebrew/core/llvm/blobs/sha256:ab4d69c11183a536f52dfd4eb8c14f3fc047b8433b03eff99cea76f778e61305
  ==> Installing dependencies for llvm: z3
  ==> Installing llvm dependency: z3
  ==> Downloading https://ghcr.io/v2/homebrew/core/z3/manifests/4.12.2
  Already downloaded: /Users/runner/Library/Caches/Homebrew/downloads/49561ecf82b693a3dd67cdef0b355d88ead97782404c68899[79](https://github.com/quantumlib/qsim/actions/runs/7022643536/job/19108288226#step:7:81)b70c308fee928--z3-4.12.2.bottle_manifest.json
  ==> Pouring z3--4.12.2.monterey.bottle.tar.gz
  🍺  /usr/local/Cellar/z3/4.12.2: 118 files, 31.4MB
  ==> Installing llvm
  ==> Pouring llvm--16.0.6.monterey.bottle.tar.gz
{...}

Logs from this PR

Building cp37-macosx_x86_64 wheel
CPython 3.7 macOS x86_64

Installing Python cp37...
                                                             ✓ 63.24s
Setting up build environment...
                                                            ✓ 124.86s
Installing build tools...
                                                             ✓ 16.46s
Running before_build...
  
  + brew install libomp llvm && brew link --overwrite python@3.11 && brew link --force libomp
  Warning: libomp 17.0.4 is already installed and up-to-date.
  To reinstall 17.0.4, run:
    brew reinstall libomp
  ==> Downloading https://ghcr.io/v2/homebrew/core/llvm/manifests/17.0.4
  ==> Fetching dependencies for llvm: python@3.11 and z3
  ==> Downloading https://ghcr.io/v2/homebrew/core/python/3.11/manifests/3.11.6_1
  Already downloaded: /Users/runner/Library/Caches/Homebrew/downloads/481941c47c71dfeb6fba3057ead9b0bd21f7ca514b815bd8dde7cbeff257b362--python@3.11-3.11.6_1.bottle_manifest.json
  ==> Fetching python@3.11
  ==> Downloading https://ghcr.io/v2/homebrew/core/python/3.11/blobs/sha256:c7407b1789917854565df3df7319af7e24425485d190ec97bc634215f96a453d
  Already downloaded: /Users/runner/Library/Caches/Homebrew/downloads/3819662d9ce3a30d7c8b799937ba1337ac615f82f2bda0ec7e37f86c9e15d555--python@3.11--3.11.6_1.monterey.bottle.tar.gz
  ==> Downloading https://ghcr.io/v2/homebrew/core/z3/manifests/4.12.2-1
  ==> Fetching z3
  ==> Downloading https://ghcr.io/v2/homebrew/core/z3/blobs/sha256:3c9f8a788f325077119a4be747f7462c2804fed4143a82e8cf3[58](https://github.com/quantumlib/qsim/actions/runs/7035007729/job/19144381911?pr=644#step:7:59)47ba7803d03
  ==> Fetching llvm
  ==> Downloading https://ghcr.io/v2/homebrew/core/llvm/blobs/sha256:fc[60](https://github.com/quantumlib/qsim/actions/runs/7035007729/job/19144381911?pr=644#step:7:61)eaf8633dc88c39fe39d4050da40428875[79](https://github.com/quantumlib/qsim/actions/runs/7035007729/job/19144381911?pr=644#step:7:81)f4eaf257d2bff7576f0e63624
  ==> Installing dependencies for llvm: python@3.11 and z3
  ==> Installing llvm dependency: python@3.11
  ==> Downloading https://ghcr.io/v2/homebrew/core/python/3.11/manifests/3.11.6_1
  Already downloaded: /Users/runner/Library/Caches/Homebrew/downloads/481941c47c71dfeb6fba3057ead9b0bd21f7ca514b815bd8dde7cbeff257b362--python@3.11-3.11.6_1.bottle_manifest.json
  ==> Pouring python@3.11--3.11.6_1.monterey.bottle.tar.gz
  Error: The `brew link` step did not complete successfully
  The formula built, but is not symlinked into /usr/local
  Could not symlink bin/2to3
  Target /usr/local/bin/2to3
  already exists. You may want to remove it:
    rm '/usr/local/bin/2to3'
  
  To force the link and overwrite all conflicting files:
    brew link --overwrite python@3.11
  
  To list all files that would be deleted:
    brew link --overwrite --dry-run python@3.11
  
  Possible conflicting files are:
  /usr/local/bin/2to3 -> /Library/Frameworks/Python.framework/Versions/3.7/bin/2to3
  /usr/local/bin/2to3-3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/2to3-3.11
  /usr/local/bin/idle3 -> /Library/Frameworks/Python.framework/Versions/3.7/bin/idle3
  /usr/local/bin/idle3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/idle3.11
  /usr/local/bin/pydoc3 -> /Library/Frameworks/Python.framework/Versions/3.7/bin/pydoc3
  /usr/local/bin/pydoc3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/pydoc3.11
  /usr/local/bin/python3 -> /Library/Frameworks/Python.framework/Versions/3.7/bin/python3
  /usr/local/bin/python3-config -> /Library/Frameworks/Python.framework/Versions/3.7/bin/python3-config
  /usr/local/bin/python3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11
  /usr/local/bin/python3.11-config -> /Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11-config

[95-martin-orion]

CC @basnijholt to investigate.

[basnijholt]

My suspicion is that this is intermittent. Could you try restarting the failed CI job?

If this doesn't work, instead of relinking Python, we could also just add the libomp symlinks, and skip the Python relinking.

[95-martin-orion]

My suspicion is that this is intermittent. Could you try restarting the failed CI job?

This appears to have worked. I'd like to eliminate the flake if possible, but we can go ahead with the release for now.

[basnijholt]

@95-martin-orion for some reason the MacOS ARM64 wheels aren't uploaded (https://pypi.org/project/qsimcirq/#files).

[95-martin-orion]

@95-martin-orion for some reason the MacOS ARM64 wheels aren't uploaded (https://pypi.org/project/qsimcirq/#files).

Looking at the logs, it seems like the macos-13-large run also built x86_64 wheels. It might be necessary to specify CIBW_ARCHS_MACOS as demonstrated in this example from the cibuildwheel docs.