forked from lix-project/lix
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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import argparse
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import tomllib
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import sys
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DOWNLOAD_URI_FORMAT = 'https://crates.io/api/v1/crates/{crate}/{version}/download'
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WRAP_TEMPLATE = """
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[wrap-file]
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method = cargo
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directory = {crate}-{version}
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source_url = {url}
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source_filename = {crate}-{version}.tar.gz
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source_hash = {hash}
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""".lstrip()
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parser = argparse.ArgumentParser()
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parser.add_argument('lockfile', help='path to the Cargo lockfile to generate wraps from')
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parser.add_argument('outdir', help="the 'subprojects' directory to write .wrap files to")
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args = parser.parse_args()
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with open(args.lockfile, 'rb') as f:
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lock_toml = tomllib.load(f)
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for dependency in lock_toml['package']:
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try:
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hash = dependency['checksum']
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except KeyError:
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# The base package, e.g. lix-doc, won't have a checksum, and conveniently
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# the base package is also not something we want a wrap file for.
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# Doesn't that work out nicely?
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continue
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crate = dependency['name']
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version = dependency['version']
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url = DOWNLOAD_URI_FORMAT.format(crate=crate, version=version)
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wrap_text = WRAP_TEMPLATE.format(crate=crate, version=version, url=url, hash=hash)
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with open(f'{args.outdir}/{crate}-rs.wrap', 'w') as f:
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f.write(wrap_text)
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