Initial commit from internal source after cleanup.

.gitignore

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+# Graphcore specific exclusions
+*.swp
+*.log
+*config.yml
+*config.yaml
+!tests/data/test*
+settings.json
+
+# General exclusions from https://github.com/github/gitignore/blob/main/Python.gitignore
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+.idea/

.pipenv-version

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+2022.1.8

.python-version

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+3.10.1

Dockerfile

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+ARG PYTHON_VERSION
+
+FROM python:${PYTHON_VERSION}-alpine AS linter-base
+RUN apk add --no-cache shadow
+# UID of current user who runs the build
+ARG user_id
+# GID of current user who runs the build
+ARG group_id
+# HOME of current user who runs the build
+ARG home
+# change GID for dialout group which collides with MacOS staff GID (20) and
+# create group and user to match permmisions of current who runs the build
+ARG workdir
+WORKDIR ${workdir}
+RUN groupmod -g 64 dialout \
+    && addgroup -S \
+    -g "${group_id}" \
+    union \
+    && groupmod -g 2999 ping \
+    && mkdir -p "${home}" \
+    && adduser -S \
+    -u "${user_id}" \
+    -h "${home}" \
+    -s "/bin/bash" \
+    -G union \
+    builder \
+    && chown -R builder:union "${workdir}"
+
+FROM linter-base AS pipenv
+ARG PIP_PIPENV_VERSION
+RUN apk add --no-cache \
+    bash \
+    gcc \
+    libc-dev \
+    make \
+    curl \
+    git \
+    graphviz \
+    ttf-liberation \
+    && pip install pipenv==${PIP_PIPENV_VERSION}
+USER builder
+# Install Python dependencies so they are cached
+ARG workdir
+WORKDIR ${workdir}
+COPY --chown=builder:union Pipfile Pipfile.lock ./
+RUN pipenv install --ignore-pipfile --dev