refactor: updated urdu translation

xpos/commands/__init__.py

@@ -0,0 +1,6 @@
+from xpos.commands.translation import update_csv_from_po
+
+
+commands = [
+    update_csv_from_po,
+]

xpos/commands/translation.py

@@ -0,0 +1,72 @@
+import csv
+from pathlib import Path
+
+import click
+import frappe
+from frappe.gettext.translate import generate_pot, get_catalog, get_locales, update_po
+
+
+def _update_csv_from_po(app: str, locale: str | None = None):
+	"""Writes new strings from PO files to CSV
+
+	Steps:
+
+	1. Generate a POT file holding the app's translatable strings.
+	2. Update the PO file from the POT file. This removes all superfluos translations.
+	3. Read in the catalog from the PO file.
+	4. Read in the CSV file.
+	5. Remove all translations from the catalog that are already in the CSV.
+	6. Append the remaining translations from the catalog to the CSV file.
+	"""
+	generate_pot(app)
+	locales = [locale] if locale else get_locales(app)
+
+	for _locale in locales:
+		csv_file = Path(frappe.get_app_path(app)) / "translations" / f"{_locale.replace('_', '-')}.csv"
+
+		if not csv_file.exists():
+			continue
+
+		update_po(app, _locale)
+		catalog = get_catalog(app, _locale)
+
+		with open(csv_file) as f:
+			csv_translations = {(row[0], row[2] if len(row) > 2 else None): row[1] for row in csv.reader(f)}
+
+		for message in list(catalog):
+			if (message.id, message.context or "") in csv_translations or not message.string:
+				catalog.delete(message.id, message.context)
+
+		with open(csv_file, "a") as f:
+			writer = csv.writer(f)
+			for message in catalog._messages.values():
+				if (
+					message.id == message.string
+					or message.id == message.context
+					or not message.id.strip()
+					or not message.string.strip()
+				):
+					continue
+
+				writer.writerow([message.id, message.string, message.context or ""])
+
+
+
+
+
+@click.command("update-csv-from-po")
+@click.argument("app", nargs=1)
+@click.option("--locale", help="Update CSV file only for this locale. eg: de")
+def update_csv_from_po(app: str, locale: str | None = None) -> None:
+	"""Add missing translations from PO file to CSV file.
+
+	How to:
+	(1) add a [locale].po file in the app's `locale` directory (this can be downloaded from the new translation platform or copied from another branch), then
+	(2) run this command.
+
+	This will add all translations to the CSV file, that are in the PO file but were missing in the CSV file.
+
+	This command is intended for backporting translations from the new translation system to the old one.
+	"""
+
+	_update_csv_from_po(app, locale)