for new aff fileformat

src/main/scala/eu/nomad_lab/parsers/GpawParser2.scala

+package eu.nomad_lab.parsers
+import eu.{ nomad_lab => lab }
+import org.{ json4s => jn }
+import scala.collection.breakOut
+
+object GpawParser2 extends SimpleExternalParserGenerator(
+  name = "GpawParser2",
+  parserInfo = jn.JObject(
+    ("name" -> jn.JString("GpawParser2")) ::
+      ("parserId" -> jn.JString("GpawParser2" + lab.GpawVersionInfo.version)) ::
+      ("versionInfo" -> jn.JObject(
+        ("nomadCoreVersion" -> jn.JObject(lab.NomadCoreVersionInfo.toMap.map {
+          case (k, v) => k -> jn.JString(v.toString)
+        }(breakOut): List[(String, jn.JString)])) ::
+          (lab.GpawVersionInfo.toMap.map {
+            case (key, value) =>
+              (key -> jn.JString(value.toString))
+          }(breakOut): List[(String, jn.JString)])
+      )) :: Nil
+  ),
+  mainFileTypes = Seq("application/x-bin"),
+  mainFileRe = "".r,
+  cmd = Seq(lab.DefaultPythonInterpreter.pythonExe(), "${envDir}/parsers/gpaw/parser/parser-gpaw/parser2.py",
+    "${mainFilePath}"),
+  resList = Seq(
+    "parser-gpaw/parser2.py",
+    "parser-gpaw/default_parameters.py",
+    "parser-gpaw/libxc_names.py",
+    "parser-gpaw/setup_paths.py",
+    "nomad_meta_info/public.nomadmetainfo.json",
+    "nomad_meta_info/common.nomadmetainfo.json",
+    "nomad_meta_info/meta_types.nomadmetainfo.json",
+    "nomad_meta_info/gpaw.nomadmetainfo.json"
+  ) ++ lab.DefaultPythonInterpreter.commonFiles(),
+  dirMap = Map(
+    "parser-gpaw" -> "parsers/gpaw/parser/parser-gpaw",
+    "nomad_meta_info" -> "nomad-meta-info/meta_info/nomad_meta_info"
+  ) ++ lab.DefaultPythonInterpreter.commonDirMapping()
+) {
+  override def isMainFile(filePath: String, bytePrefix: Array[Byte], stringPrefix: Option[String]): Option[ParserMatch] = {
+    if (filePath.endsWith(".gpw"))
+      Some(ParserMatch(mainFileMatchPriority, mainFileMatchWeak))
+    else
+      None
+  }
+}