enpass: Updater fix. (#508183)

pkgs/by-name/en/enpass/package.nix

@@ -131,17 +131,18 @@ let
   updater = {
     update = stdenv.mkDerivation {
       name = "enpass-update-script";
-      SCRIPT = ./update_script.py;
+      SCRIPT = toString ./update_script.py;
 
       buildInputs = with python3Packages; [
         python
         requests
+        packaging
         pathlib2
         six
         attrs
       ];
       shellHook = ''
-        exec python $SCRIPT --target pkgs/tools/security/enpass/data.json --repo ${baseUrl}
+        exec python $SCRIPT --target pkgs/by-name/en/enpass/data.json --repo ${baseUrl}
       '';
 
     };

pkgs/by-name/en/enpass/update_script.py

@@ -33,7 +33,8 @@ def find_latest_version(arch):
     for package in packages.split("\n\n"):
         matches = version_selector.search(package)
         matched_version = matches.group('version') if matches and matches.group('version') else "0"
-        parsed_version = version.parse(matched_version)
+        try: parsed_version = version.parse(matched_version)
+        except version.InvalidVersion: continue
         if parsed_version > last_version:
             path = path_selector.search(package).group('path')
             sha256 = hash_selector.search(package).group('sha256')