hello, world

gfd/i18n/__init__.py

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+import importlib
+
+class Translator:
+    def __init__(self, lang="en"):
+        self.translations = {}
+        self.load(lang)
+
+    def load(self, lang):
+        try:
+            mod = importlib.import_module(f"gfd.i18n.{lang}")
+            self.translations = getattr(mod, "translations", {})
+        except ModuleNotFoundError:
+            # fallback to Spanish
+            mod = importlib.import_module("gfd.i18n.es")
+            self.translations = getattr(mod, "translations", {})
+
+    def __call__(self, key):
+        return self.translations.get(key, key)

gfd/i18n/en.py

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+translations = {
+    "hello_world": "Hello, World!",
+    "window_title": "Digital Signature Manager",
+}

gfd/i18n/es.py

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+translations = {
+    "hello_world": "¡Hola, Mundo!",
+    "window_title": "Gestor de Firma Digital",
+}

gfd/ui.py

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+from PySide6 import QtWidgets, QtCore
+import gfd.i18n as i18n
+
+class GFDWidget(QtWidgets.QWidget):
+    def __init__(self, tr):
+        super().__init__()
+        self.tr = tr
+        self.setWindowTitle(self.tr("window_title"))
+        self.resize(300, 100)
+
+        label = QtWidgets.QLabel(self.tr("hello_world"), alignment=QtCore.Qt.AlignCenter)
+        lay = QtWidgets.QVBoxLayout(self)
+        lay.addWidget(label)
+
+def run(lang="es"):
+    import sys
+    app = QtWidgets.QApplication(sys.argv)
+
+    tr = i18n.Translator(lang)
+    w = GFDWidget(tr)
+    w.show()
+
+    sys.exit(app.exec())

main.py

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+import gfd.ui as w
+
+if __name__ == "__main__":
+    w.run("es")

requirements.txt

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+PySide6==6.9.2
+PySide6_Addons==6.9.2
+PySide6_Essentials==6.9.2
+shiboken6==6.9.2