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import base64
import binascii
import configparser
import json
import pathlib
import sys
import urllib.parse
def to_sri(hash: str):
raw = binascii.unhexlify(hash)
b64 = base64.b64encode(raw).decode()
return f"sha256-{b64}"
def main(dir: str):
result = []
for file in (pathlib.Path(dir) / "subprojects").glob("*.wrap"):
name = file.stem
parser = configparser.ConfigParser()
_ = parser.read(file)
sections = parser.sections()
if "wrap-file" not in sections:
continue
url = parser.get("wrap-file", "source_url")
if "crates.io" not in url:
continue
parsed = urllib.parse.urlparse(url)
path = parsed.path.split("/")
assert path[4] == name
version = path[5]
hash = to_sri(parser.get("wrap-file", "source_hash"))
result.append({
"pname": name,
"version": version,
"hash": hash,
})
here = pathlib.Path(__file__).parent
with (here / "wraps.json").open("w") as fd:
json.dump(result, fd, indent=4)
_ = fd.write("\n")
if __name__ == '__main__':
main(*sys.argv[1:])
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