HGraph Orders and Pricing Library

Provides a library, based on the hgraph functional reactive framework to support creating order and pricing logic.

The core components of the library include:

instruments
positions
portfolios
orders
pricing

This library is currently very green and is expected to have significant changes.

Development

This project now uses the uv package manager for dependency management and running tasks.

uv homepage and install instructions: https://docs.astral.sh/uv/

Once you have checked out the project, you can set up a local virtual environment and install dependencies as follows:

Create or reuse a virtual environment with Python 3.11 (recommended):

uv venv -p 3.11

Activate the virtual environment (example for bash/zsh):

source .venv/bin/activate

Install the project and all development dependencies (tests, docs, etc.):

uv sync --all-extras --all-groups

Notes:

uv sync reads pyproject.toml and uv.lock and installs the project in editable mode along with dependencies.
If you only want runtime dependencies, omit --all-groups.
If you don't need optional extras, omit --all-extras.

To see where the Python interpreter lives for IDE configuration (e.g., PyCharm), after activating the venv you can run:

which python

PyCharm can be pointed at the .venv interpreter in the project root.

Run Tests

# No Coverage
uv run pytest

# Generate Coverage Report
uv run pytest --cov=hg_oap --cov-report=xml

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The following attestation bundles were made for hg_oap-0.3.2.tar.gz:

Publisher: deploy-on-tag.yml on hhenson/hg_oap

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Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: hg_oap-0.3.2.tar.gz
- Subject digest: 5fc8e0ce033dc7676719dc2534aa2f437b7f0724c364a8f3bb930c4f154e7d33
- Sigstore transparency entry: 2407410974
- Sigstore integration time: Aug 10, 2026
Source repository:
- Permalink: hhenson/hg_oap@d174dc57cdc1af568306e1f08cebc2c12427d612
- Branch / Tag: refs/tags/v_0.3.2
- Owner: https://github.com/hhenson
- Access: public
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- Runner Environment: github-hosted
- Publication workflow: deploy-on-tag.yml@d174dc57cdc1af568306e1f08cebc2c12427d612
- Trigger Event: push