OpenPulse Python Parser Reference Implementation

This project is a reference implementation of OpenPulse. Specifically, the parser passes the body of cal and defcal written in OpenPulse. It reuses the classical types and statements from openqasm3.

Developing openpulse

To install dependencies, change to source/openpulse directory and run:

python -m pip install -r requirements.txt -r requirements-dev.txt

To reuse classic statements/types, OpenPulse grammar imports OpenQASM grammar. When we update the OpenPulse grammar, we also need to copy the latest OpenQASM grammar from https://github.com/openqasm/openqasm/tree/main/source/grammar into the source/grammar directory.

Now build the openpulse grammar. Change to the source/grammar directory and run:

antlr4 -o ../openpulse/openpulse/_antlr/_<major>_<minor> -Dlanguage=Python3 -visitor openpulseLexer.g4 openpulseParser.g4

Finally, you can change to the source/openpulse directory and run:

pytest .

Deployment procedure

The deployment is primarily managed by a GitHub Actions pipeline, triggered by a tag of the form v<version>. For example, for package version 0.4.0, the tag should be v0.4.0.

To deploy:

create a PR that sets the version number of the package in __init__.py to what it should be.
once the PR has merged, tag the merge commit (for example, git fetch origin; git tag -m "Python AST 0.4.0" v0.4.0 origin/main).
push the tag to this repository (for example, git push origin v0.4.0).

At this point, the deployment pipeline will take over and deploy the package to PyPI. You should be able to see the progress in the Actions tab of this repository.

License

hodgestar/openpulse-python

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