nixpkgs-suyu/pkgs/build-support/rust/cargo-vendor-normalise.py

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#!/usr/bin/env python
import sys
import toml
def quote(s: str) -> str:
escaped = s.replace('"', r"\"").replace("\n", r"\n").replace("\\", "\\\\")
return '"{}"'.format(escaped)
def main() -> None:
data = toml.load(sys.stdin)
assert list(data.keys()) == ["source"]
# this value is non deterministic
data["source"]["vendored-sources"]["directory"] = "@vendor@"
lines = []
inner = data["source"]
for source, attrs in sorted(inner.items()):
lines.append("[source.{}]".format(quote(source)))
if source == "vendored-sources":
lines.append('"directory" = "@vendor@"\n')
else:
for key, value in sorted(attrs.items()):
attr = "{} = {}".format(quote(key), quote(value))
lines.append(attr)
lines.append("")
result = "\n".join(lines)
real = toml.loads(result)
assert real == data, "output = {} while input = {}".format(real, data)
print(result)
if __name__ == "__main__":
main()