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refactor: static networking

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arcnmx 2024-01-18 13:51:13 -08:00
parent 1a4b5ee8b2
commit 91d4895c6f
13 changed files with 155 additions and 16 deletions
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1
overlays/local/default.nix
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@ -1,4 +1,5 @@
final: prev: {
lib = prev.lib.extend (import ./lib.nix);
requests-oauth = final.python3Packages.callPackage ./requests-oauth.nix {};
withings-api = final.python3Packages.callPackage ./withings-api.nix {};
irlsite = final.callPackage ./irlsite.nix {};

27
overlays/local/lib.nix Normal file
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@ -0,0 +1,27 @@
lib: prev: let
inherit (lib.strings) splitString toLower;
inherit (lib.lists) imap0 elemAt;
inherit (lib.attrsets) listToAttrs nameValuePair;
inherit (lib.strings) substring fixedWidthString;
inherit (lib.trivial) flip toHexString toHexStringLower hexCharToInt bitOr;
in {
trivial = prev.trivial // {
toHexStringLower = v: toLower (toHexString v);
hexCharToInt = let
hexChars = [ "0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "a" "b" "c" "d" "e" "f" ];
pairs = imap0 (flip nameValuePair) hexChars;
idx = listToAttrs pairs;
in char: idx.${char};
eui64 = mac: let
parts = map toLower (splitString ":" mac);
part = elemAt parts;
part0 = part: let
nibble1' = hexCharToInt (substring 1 1 part);
nibble1 = bitOr 2 nibble1';
nibble0 = substring 0 1 part;
in nibble0 + (fixedWidthString 1 "0" (toHexStringLower nibble1));
in "${part0 (part 0)}${part 1}:${part 2}ff:fe${part 3}:${part 4}${part 5}";
};
}