[fix] py: overwrite version_frozen on explicit freeze (#5020)

Once version_frozen.py has been created, it will never be updated again unless the file is manually deleted.

requirements.txt

@@ -19,3 +19,4 @@ tomli==2.2.1; python_version < '3.11'
 msgspec==0.19.0
 typer-slim==0.16.0
 isodate==0.7.2
+whitenoise==6.9.0

searx/version.py

@@ -1,18 +1,19 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 # pylint: disable=,missing-module-docstring,missing-class-docstring
 
+import importlib
+import logging
 import os
 import shlex
 import subprocess
-import logging
-import importlib
 
 # fallback values
 # if there is searx.version_frozen module, and it is not possible to get the git tag
 VERSION_STRING = "1.0.0"
 VERSION_TAG = "1.0.0"
-GIT_URL = "unknow"
-GIT_BRANCH = "unknow"
+DOCKER_TAG = "1.0.0"
+GIT_URL = "unknown"
+GIT_BRANCH = "unknown"
 
 logger = logging.getLogger("searx")
 
@@ -83,6 +84,25 @@ def get_git_version():
     return git_version, tag_version, docker_tag
 
 
+def get_information():
+    version_string = VERSION_STRING
+    version_tag = VERSION_TAG
+    docker_tag = DOCKER_TAG
+    git_url = GIT_URL
+    git_branch = GIT_BRANCH
+
+    try:
+        version_string, version_tag, docker_tag = get_git_version()
+    except subprocess.CalledProcessError as ex:
+        logger.error("Error while getting the version: %s", ex.stderr)
+    try:
+        git_url, git_branch = get_git_url_and_branch()
+    except subprocess.CalledProcessError as ex:
+        logger.error("Error while getting the git URL & branch: %s", ex.stderr)
+
+    return version_string, version_tag, docker_tag, git_url, git_branch
+
+
 try:
     vf = importlib.import_module('searx.version_frozen')
     VERSION_STRING, VERSION_TAG, DOCKER_TAG, GIT_URL, GIT_BRANCH = (
@@ -93,18 +113,7 @@ try:
         vf.GIT_BRANCH,
     )
 except ImportError:
-    try:
-        try:
-            VERSION_STRING, VERSION_TAG, DOCKER_TAG = get_git_version()
-        except subprocess.CalledProcessError as ex:
-            logger.error("Error while getting the version: %s", ex.stderr)
-        try:
-            GIT_URL, GIT_BRANCH = get_git_url_and_branch()
-        except subprocess.CalledProcessError as ex:
-            logger.error("Error while getting the git URL & branch: %s", ex.stderr)
-    except FileNotFoundError as ex:
-        logger.error("%s is not found, fallback to the default version", ex.filename)
-
+    VERSION_STRING, VERSION_TAG, DOCKER_TAG, GIT_URL, GIT_BRANCH = get_information()
 
 logger.info("version: %s", VERSION_STRING)
 
@@ -112,6 +121,8 @@ if __name__ == "__main__":
     import sys
 
     if len(sys.argv) >= 2 and sys.argv[1] == "freeze":
+        VERSION_STRING, VERSION_TAG, DOCKER_TAG, GIT_URL, GIT_BRANCH = get_information()
+
         # freeze the version (to create an archive outside a git repository)
         python_code = f"""# SPDX-License-Identifier: AGPL-3.0-or-later
 # pylint: disable=missing-module-docstring

searx/webapp.py

@@ -30,6 +30,9 @@ from pygments.formatters import HtmlFormatter  # pylint: disable=no-name-in-modu
 
 from werkzeug.serving import is_running_from_reloader
 
+from whitenoise import WhiteNoise
+from whitenoise.base import Headers
+
 import flask
 
 from flask import (
@@ -147,7 +150,7 @@ STATS_SORT_PARAMETERS = {
 }
 
 # Flask app
-app = Flask(__name__, static_folder=settings['ui']['static_path'], template_folder=templates_path)
+app = Flask(__name__, static_folder=None, template_folder=templates_path)
 
 app.jinja_env.trim_blocks = True
 app.jinja_env.lstrip_blocks = True
@@ -245,6 +248,7 @@ def custom_url_for(endpoint: str, **values):
     if not _STATIC_FILES:
         _STATIC_FILES = webutils.get_static_file_list()
 
+    # handled by WhiteNoise
     if endpoint == "static" and values.get("filename"):
 
         # We need to verify the "filename" argument: in the jinja templates
@@ -257,9 +261,11 @@ def custom_url_for(endpoint: str, **values):
         if arg_filename not in _STATIC_FILES:
             # try file in the current theme
             theme_name = sxng_request.preferences.get_value("theme")
-            arg_filename = f"themes/{theme_name}/{arg_filename}"
-            if arg_filename in _STATIC_FILES:
-                values["filename"] = arg_filename
+            theme_filename = f"themes/{theme_name}/{arg_filename}"
+            if theme_filename in _STATIC_FILES:
+                values["filename"] = theme_filename
+
+        return f"/static/{values['filename']}"
 
     if endpoint == "info" and "locale" not in values:
 
@@ -1424,7 +1430,22 @@ def init():
     favicons.init()
 
 
-application = app
+def static_headers(headers: Headers, _path: str, _url: str) -> None:
+    headers['Cache-Control'] = 'public, max-age=30, stale-while-revalidate=60'
+
+    for header, value in settings['server']['default_http_headers'].items():
+        headers[header] = value
+
+
+app.wsgi_app = WhiteNoise(
+    app.wsgi_app,
+    root=settings['ui']['static_path'],
+    prefix="static",
+    max_age=None,
+    allow_all_origins=False,
+    add_headers_function=static_headers,
+)
+
 patch_application(app)
 init()
 

utils/templates/etc/uwsgi/apps-archlinux/searxng.ini

@@ -75,7 +75,4 @@ pythonpath = ${SEARXNG_SRC}
 http = ${SEARXNG_INTERNAL_HTTP}
 buffer-size = 8192
 
-# To serve the static files via the WSGI server
-static-map = /static=${SEARXNG_STATIC}
-static-gzip-all = True
 offload-threads = %k

utils/templates/etc/uwsgi/apps-archlinux/searxng.ini:socket

@@ -72,7 +72,4 @@ pythonpath = ${SEARXNG_SRC}
 socket = ${SEARXNG_UWSGI_SOCKET}
 buffer-size = 8192
 
-# To serve the static files via the WSGI server
-static-map = /static=${SEARXNG_STATIC}
-static-gzip-all = True
 offload-threads = %k

utils/templates/etc/uwsgi/apps-available/searxng.ini

@@ -78,7 +78,4 @@ pythonpath = ${SEARXNG_SRC}
 http = ${SEARXNG_INTERNAL_HTTP}
 buffer-size = 8192
 
-# To serve the static files via the WSGI server
-static-map = /static=${SEARXNG_STATIC}
-static-gzip-all = True
 offload-threads = %k

utils/templates/etc/uwsgi/apps-available/searxng.ini:socket

@@ -75,7 +75,4 @@ pythonpath = ${SEARXNG_SRC}
 socket = ${SEARXNG_UWSGI_SOCKET}
 buffer-size = 8192
 
-# To serve the static files via the WSGI server
-static-map = /static=${SEARXNG_STATIC}
-static-gzip-all = True
 offload-threads = %k