updating flask_babel fixes #2218 (#2359)

* updating flask_babel fixes #2218

* changes according to #2218

* fixes according to release-notes

* black

requirements.in

@@ -3,7 +3,7 @@ chardet==3.0.4
 Click==8.1.1
 Flask==2.1.1
 #Werkzeug==2.0.3 # need to pin because Flask doesn't work with newer ones
-Flask-Babel==2.0.0 # needs pin see https://github.com/cryptoadvance/specter-desktop/issues/2218
+Flask-Babel==3.1.0
 Flask-Cors==3.0.10
 Flask-Login==0.6.2
 Flask-RESTful==0.3.9

requirements.txt

@@ -12,9 +12,9 @@ apscheduler==3.10.0 \
     --hash=sha256:575299f20073c60a2cc9d4fa5906024cdde33c5c0ce6087c4e3c14be3b50fdd4 \
     --hash=sha256:a49fc23269218416f0e41890eea7a75ed6b284f10630dcfe866ab659621a3696
     # via flask-apscheduler
-babel==2.11.0 \
-    --hash=sha256:1ad3eca1c885218f6dce2ab67291178944f810a10a9b5f3cb8382a5a232b64fe \
-    --hash=sha256:5ef4b3226b0180dedded4229651c8b0e1a3a6a2837d45a073272f313e4cf97f6
+babel==2.12.1 \
+    --hash=sha256:b4246fb7677d3b98f501a39d43396d3cafdc8eadb045f4a31be01863f655c610 \
+    --hash=sha256:cc2d99999cd01d44420ae725a21c9e3711b3aadc7976d6147f622d8581963455
     # via flask-babel
 base58==2.1.1 \
     --hash=sha256:11a36f4d3ce51dfc1043f3218591ac4eb1ceb172919cebe05b52a5bcc8d245c2 \
@@ -180,9 +180,9 @@ flask==2.1.1 \
 flask-apscheduler==1.12.4 \
     --hash=sha256:681dae34dc6cc9403ce674795e53abd0bff540472129cfd3d3c93e0e1d502da8
     # via -r requirements.in
-flask-babel==2.0.0 \
-    --hash=sha256:e6820a052a8d344e178cdd36dd4bb8aea09b4bda3d5f9fa9f008df2c7f2f5468 \
-    --hash=sha256:f9faf45cdb2e1a32ea2ec14403587d4295108f35017a7821a2b1acb8cfd9257d
+flask-babel==3.1.0 \
+    --hash=sha256:be015772c5d7f046f3b99c508dcf618636eb93d21b713b356db79f3e79f69f39 \
+    --hash=sha256:deb3ee272d5adf97f5974ed09ab501243d63e7fb4a047501a00de4bd4aca4830
     # via -r requirements.in
 flask-cors==3.0.10 \
     --hash=sha256:74efc975af1194fc7891ff5cd85b0f7478be4f7f59fe158102e91abb72bb4438 \
@@ -664,7 +664,6 @@ pytz==2022.7.1 \
     --hash=sha256:78f4f37d8198e0627c5f1143240bb0206b8691d8d7ac6d78fee88b78733f8c4a
     # via
     #   apscheduler
-    #   babel
     #   flask-babel
     #   flask-restful
     #   pandas

src/cryptoadvance/specter/htmlsafebabel.py

@@ -1,6 +1,7 @@
 from flask_babel import Babel, get_translations
 from jinja2.utils import markupsafe
 import html
+from flask import session, request
 
 
 class HTMLSafeBabel(Babel):

src/cryptoadvance/specter/server.py

@@ -262,13 +262,13 @@ def init_app(app: SpecterFlask, hwibridge=False, specter=None):
         app.config["BABEL_TRANSLATION_DIRECTORIES"] = os.path.join(
             sys._MEIPASS, "translations"
         )
-    babel = HTMLSafeBabel(app)
 
-    @babel.localeselector
     def get_language_code():
         # Enables Babel to auto-detect current language
         return app.get_language_code()
 
+    babel = HTMLSafeBabel(app, locale_selector=get_language_code)
+
     @app.route("/set_language", methods=["POST"])
     def set_language_code():
         json_data = request.get_json()