update README

mlu_370-piper/piper/notebooks/translator.py

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+import configparser
+import os
+
+class Translator:
+    def __init__(self):
+        self.configs = {}
+
+    def load_language(self, language_name):
+        if language_name not in self.configs:
+            config = configparser.ConfigParser()
+            config.read(os.path.join(os.getcwd(), "lng", f"{language_name}.lang"))
+            self.configs[language_name] = config
+
+    def translate(self, language_name, string):
+        if language_name == "en":
+            return string
+        elif language_name not in self.configs:
+            self.load_language(language_name)
+        config = self.configs[language_name]
+        try:
+            return config.get("Strings", string)
+        except (configparser.NoOptionError, configparser.NoSectionError):
+            if string:
+                return string
+            else:
+                raise Exception("language engine error: This translation is corrupt!")
+                return 0