fix to state, i18ize some errors

katrain/core/engine.py

@@ -61,21 +61,18 @@ class KataGoEngine:
 
             exepath, exename = os.path.split(exe)
             if exepath and not os.path.isfile(exe):
-                self.katrain.log(f"KataGo binary {exe} does not exist, check general settings.", OUTPUT_ERROR)
+                self.katrain.log(i18n._('Kata exe not found').format(exe=exe), OUTPUT_ERROR)
                 return  # don't start
             elif not exepath and not any(
                 os.path.isfile(os.path.join(path, exe)) for path in os.environ.get("PATH", "").split(os.pathsep)
             ):
-                self.katrain.log(
-                    f"KataGo binary `{exe}` not found in PATH, check your environment variables or add the full path in general settings.",
-                    OUTPUT_ERROR,
-                )
+                self.katrain.log(i18n._('Kata exe not found in path').format(exe),                    OUTPUT_ERROR   )
                 return  # don't start
             elif not os.path.isfile(model):
-                self.katrain.log(f"Model {model} does not exist, check general settings.", OUTPUT_ERROR)
+                self.katrain.log(i18n._('Kata model not found').format(model), OUTPUT_ERROR)
                 return  # don't start
             elif not os.path.isfile(cfg):
-                self.katrain.log(f"KataGo config file {cfg} does not exist, check general settings.", OUTPUT_ERROR)
+                self.katrain.log(i18n._('Kata config not found').format(config=cfg), OUTPUT_ERROR)
                 return  # don't start
             self.command = f'"{exe}" analysis -model "{model}" -config "{cfg}" -analysis-threads {config["threads"]}'
         self.start()
@@ -88,14 +85,10 @@ class KataGoEngine:
                 self.command, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True
             )
         except (FileNotFoundError, PermissionError, OSError) as e:
-            if not self.config["katago"].strip():
-                self.katrain.log(
-                    i18n._("Starting default Kata failed").format(command=self.command, error=e), OUTPUT_ERROR,
-                )
-            else:
-                self.katrain.log(
-                    i18n._("Starting Kata failed").format(command=self.command, error=e), OUTPUT_ERROR,
-                )
+            self.katrain.log(
+                i18n._("Starting Kata failed").format(command=self.command, error=e), OUTPUT_ERROR,
+            )
+            return # don't start
         self.analysis_thread = threading.Thread(target=self._analysis_read_thread, daemon=True).start()
         self.stderr_thread = threading.Thread(target=self._read_stderr_thread, daemon=True).start()