Initial IMDB version - Simulation IMs Only

.github/workflows/ci.yml

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+name: CI
+on: [pull_request]
+jobs:
+  ci:
+    uses: ucgmsim/meta-ci-action/.github/workflows/ci.yml@main
+    with:
+      package-dir: imdb
+      uv-extra-args: "--all-groups"
+      enable-coverage: true
+      cov-package: imdb

.github/workflows/claude-review.yml

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+name: Claude PR Review
+
+# Triggered by a "@claude review" comment on a pull request.
+#
+# Why issue_comment and not pull_request: GitHub withholds secrets from runs
+# triggered by fork pull requests, so a pull_request trigger would silently
+# fail on exactly the PRs that most need review. issue_comment runs in the base
+# repository's context with secrets available. The action independently checks
+# that the commenting user has write access before doing anything, so the gate
+# is "a member of this org asked for this review".
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  review:
+    uses: ucgmsim/meta-ci-action/.github/workflows/claude-review.yml@main
+    secrets:
+      claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}

.gitignore

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+.DS_Store
+.idea
+*.log
+tmp/
+# Created by https://www.toptal.com/developers/gitignore/api/python
+# Edit at https://www.toptal.com/developers/gitignore?templates=python
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+
+*.py[cod]
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+*.so
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+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
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+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
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+.coverage.*
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+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
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+# Scrapy stuff:
+.scrapy
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+# Sphinx documentation
+docs/_build/
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+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
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+# 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:
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+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
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+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
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+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
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+#   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/
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+
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+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
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+
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+
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+pyrightconfig.json
+
+# End of https://www.toptal.com/developers/gitignore/api/python

README.md

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+# imdb
+
+A library for reading and writing intensity measure databases (IMDBs) — DuckDB
+databases of simulated ground-motion intensity measures. Schema is documented in
+`imdb/schema.py`.
+
+## Usage
+
+```python
+from imdb import IMDB
+
+# read
+with IMDB("run_set.duckdb") as db:
+    records = db.get_records(event_ids=["event1"], component="rotd50")
+    psa = db.get_psa(periods=[0.1, 1.0], event_ids=["event1"])
+    scalars = db.get_scalars(ims=["PGA", "PGV"])
+
+# write
+db = IMDB.create("new.duckdb", periods=[0.1, 0.2, 1.0])
+db.add_events(events_df)
+db.add_realisations(realisations_df)
+db.add_sites(sites_df)
+db.add_site_event(site_event_df)
+db.add_records(records_df)  # rel_id, site_id, component, pSA, FAS, scalar IM columns
+db.validate()
+db.close()
+```
+
+## Development
+
+```
+uv sync --all-groups
+uv run pytest -q
+uv run ruff check
+uv run ruff format
+uv run ty check
+```

imdb/__init__.py

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+"""A library for reading and writing intensity measure databases."""
+
+from imdb.imdb import IMDB
+
+__all__ = ["IMDB"]