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[WIP] Run test suite on arbitrary coiled environments #296
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,16 @@ | ||
# Sample conda environment file for A/B testing | ||
# It *must* be called AB_<name>.conda.yaml | ||
# and *must* be accompanied by AB_<name>.dask.yaml | ||
channels: | ||
- conda-forge | ||
dependencies: | ||
- python=3.9 | ||
# Alternatively, we could use a nightly build, or no coiled-runtime at all | ||
- coiled-runtime=0.1.0 | ||
- pip: | ||
# Notes: | ||
# - You can't install anything with conda which conflicts the versions | ||
# pinned in coiled-runtime. Pip packages ignore these restrictions. | ||
# - You can point to your own git fork instead | ||
- dask==2022.8.1 | ||
- git+https://github.com/dask/distributed@dd81b424971e81616e1a52fa09ce4698a5002d41 |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,7 @@ | ||
# Sample dask config file for A/B testing | ||
# It *must* be called AB_<name>.dask.yaml | ||
# and *must* be accompanied by AB_<name>.conda.yaml | ||
# Leave empty if you don't want to override anything. | ||
distributed: | ||
scheduler: | ||
worker-saturation: 1.2 | ||
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
#!/usr/bin/env python | ||
"""Read a dask config file and print it out in the format `-e ENV=VALUE ENV=VALUE ...` | ||
This script is a work-around to not being able to upload dask config files to | ||
`conda env create`. | ||
""" | ||
from __future__ import annotations | ||
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import sys | ||
from typing import Iterator | ||
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import yaml | ||
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def main(fname: str) -> None: | ||
with open(fname) as fh: | ||
cfg = yaml.safe_load(fh) | ||
# Print nothing in case of empty file, comments only, or empty dict | ||
if cfg: | ||
print("-e " + " ".join(traverse(cfg, []))) | ||
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def traverse(node: dict | list | str | float | None, path: list[str]) -> Iterator[str]: | ||
if isinstance(node, dict): | ||
for k, v in node.items(): | ||
k = k.upper().replace("-", "_") | ||
yield from traverse(v, path + [k]) | ||
return | ||
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if not path: | ||
raise ValueError("The top-level element must be a dict") | ||
if isinstance(node, str) and "'" in node: | ||
raise ValueError("Unsupported character: ' (single quote)") | ||
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yield "'DASK_" + "__".join(path) + f"={node}'" | ||
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if __name__ == "__main__": | ||
main(sys.argv[1]) |
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The alternative to forcing the developer to create an empty file every time was to ignore the file if it doesn't exist, but the risk of misspellings producing unexpected results was too high. Explicit is better than implicit.