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https://github.com/astral-sh/uv.git
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630d3fde5c
Moves all of `uv-toolchain` into `uv-interpreter`. We may split these out in the future, but the refactoring I want to do for interpreter discovery is easier if I don't have to deal with entanglement. Includes some restructuring of `uv-interpreter`. Part of #2386
99 lines
2.4 KiB
Python
99 lines
2.4 KiB
Python
#!/usr/bin/env python3.12
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"""
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Generate static Rust code from Python version metadata.
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Generates the `python_versions.rs` file from the `python_versions.rs.mustache` template.
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Usage:
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python template-version-metadata.py
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"""
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import sys
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import logging
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import argparse
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import json
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import subprocess
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from pathlib import Path
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CRATE_ROOT = Path(__file__).parent
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WORKSPACE_ROOT = CRATE_ROOT.parent.parent
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VERSION_METADATA = CRATE_ROOT / "python-version-metadata.json"
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TEMPLATE = CRATE_ROOT / "src" / "managed" / "python_versions.inc.mustache"
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TARGET = TEMPLATE.with_suffix("")
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try:
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import chevron_blue
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except ImportError:
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print(
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"missing requirement `chevron-blue`",
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file=sys.stderr,
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)
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exit(1)
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def prepare_value(value: dict) -> dict:
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# Convert fields from snake case to camel case for enums
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for key in ["arch", "os", "libc", "name"]:
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value[key] = value[key].title()
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return value
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def main():
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debug = logging.getLogger().getEffectiveLevel() <= logging.DEBUG
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data = {}
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data["generated_with"] = Path(__file__).relative_to(WORKSPACE_ROOT)
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data["generated_from"] = TEMPLATE.relative_to(WORKSPACE_ROOT)
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data["versions"] = [
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{"key": key, "value": prepare_value(value)}
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for key, value in json.loads(VERSION_METADATA.read_text()).items()
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]
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# Render the template
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logging.info(f"Rendering `{TEMPLATE.name}`...")
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output = chevron_blue.render(
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template=TEMPLATE.read_text(), data=data, no_escape=True, warn=debug
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)
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# Update the file
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logging.info(f"Updating `{TARGET}`...")
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TARGET.write_text(output)
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subprocess.check_call(
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["rustfmt", str(TARGET)],
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stderr=subprocess.STDOUT,
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stdout=sys.stderr if debug else subprocess.DEVNULL,
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)
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logging.info("Done!")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Generates Rust code for Python version metadata.",
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)
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parser.add_argument(
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"-v",
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"--verbose",
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action="store_true",
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help="Enable debug logging",
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)
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parser.add_argument(
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"-q",
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"--quiet",
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action="store_true",
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help="Disable logging",
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)
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args = parser.parse_args()
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if args.quiet:
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log_level = logging.CRITICAL
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elif args.verbose:
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log_level = logging.DEBUG
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else:
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log_level = logging.INFO
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logging.basicConfig(level=log_level, format="%(message)s")
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main()
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