mirror of
https://github.com/astral-sh/uv.git
synced 2025-07-07 13:25:00 +00:00
dd7da6af5f
Whew this is a lot. The user-facing changes are: - `uv toolchain` to `uv python` e.g. `uv python find`, `uv python install`, ... - `UV_TOOLCHAIN_DIR` to` UV_PYTHON_INSTALL_DIR` - `<UV_STATE_DIR>/toolchains` to `<UV_STATE_DIR>/python` (with [automatic migration](https://github.com/astral-sh/uv/pull/4735/files#r1663029330)) - User-facing messages no longer refer to toolchains, instead using "Python", "Python versions" or "Python installations" The internal changes are: - `uv-toolchain` crate to `uv-python` - `Toolchain` no longer referenced in type names - Dropped unused `SystemPython` type (previously replaced) - Clarified the type names for "managed Python installations" - (more little things)
128 lines
3.2 KiB
Python
Executable file
128 lines
3.2 KiB
Python
Executable file
#!/usr/bin/env python3.12
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"""
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Generate static Rust code from Python version download metadata.
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Generates the `downloads.inc` file from the `downloads.inc.mustache` template.
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Usage:
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uv run --isolated --with chevron-blue -- crates/uv-python/template-download-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 / "download-metadata.json"
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TEMPLATE = CRATE_ROOT / "src" / "downloads.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_name(name: str) -> str:
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match name:
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case "cpython":
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return "CPython"
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case _:
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raise ValueError(f"Unknown implementation name: {name}")
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def prepare_libc(libc: str) -> str | None:
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if libc == "none":
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return None
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else:
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return libc.title()
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def prepare_arch(arch: str) -> str:
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match arch:
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# Special constructors
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case "i686":
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return "X86_32(target_lexicon::X86_32Architecture::I686)"
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case "aarch64":
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return "Aarch64(target_lexicon::Aarch64Architecture::Aarch64)"
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case "armv7":
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return "Arm(target_lexicon::ArmArchitecture::Armv7)"
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case _:
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return arch.capitalize()
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def prepare_value(value: dict) -> dict:
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value["os"] = value["os"].title()
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value["arch"] = prepare_arch(value["arch"])
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value["name"] = prepare_name(value["name"])
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value["libc"] = prepare_libc(value["libc"])
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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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