added debug param to dont create downloads.cache

Fixes: #15

init _mirrors and _sha256sums in Downloads() to fix inspector warning

uitwww/__init__.py

 # Source code of the Ubuntu-it website
 # Copyright (C) 2015-2018  Pietro Albini <pietroalbini@ubuntu.com>
+# Copyright (C) 2023       shadMod
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published
@@ -29,7 +30,7 @@ from . import redirects
 from . import utils
 
 
-def create_app(data_path):
+def create_app(data_path, debug=False):
     """Create a new instance of the application"""
     # Normalize the data path
     data_path = os.path.expanduser(os.path.abspath(data_path))
@@ -41,11 +42,11 @@ def create_app(data_path):
     )
 
     # Prepare the data directory
-    init_data_directory(data_path)
+    init_data_directory(data_path, debug)
 
     # Load the secret key
-    with open(os.path.join(data_path, "secret_key")) as f:
-        app.secret_key = f.read().strip()
+    with open(os.path.join(data_path, "secret_key")) as fn:
+        app.secret_key = fn.read().strip()
 
     # Initialize the database
     app.db = db.Database(os.path.join(data_path, "database.db"))
@@ -79,14 +80,14 @@ def create_app(data_path):
     return app
 
 
-def init_data_directory(data_path):
+def init_data_directory(data_path, debug=False):
     """Initialize the data directory"""
     src_directory = os.path.dirname(os.path.abspath(__file__))
 
     # Create all the directories
     dirs = ["", "cache"]
-    for dir in dirs:
-        os.makedirs(os.path.join(data_path, dir), exist_ok=True)
+    for _dir in dirs:
+        os.makedirs(os.path.join(data_path, _dir), exist_ok=True)
 
     # Initialize the cache
     static_dirs = {"static": "+assets"}
@@ -106,5 +107,7 @@ def init_data_directory(data_path):
         os.chmod(secret_key_path, 0o400)
 
     # Initialize the download files
-    download_inst = download.Downloads(data_path)
-    download_inst.store_cache_file()
+    download_inst = download.Downloads(data_path, debug=debug)
+    if debug is False:
+        # mk cache file
+        download_inst.store_cache_file()

uitwww/download.py

@@ -36,7 +36,11 @@ CACHE_FILE_VERSION = 1
 
 class Downloads:
 
-    def __init__(self, data_path):
+    def __init__(self, data_path, debug: bool = False):
+        # init _mirrors and _sha256sums
+        self._mirrors = None
+        self._sha256sums = None
+
         # Load the configuration
         path = UITWWW_DIR + CONFIG_FILE
         self.config = toml.load(
@@ -49,7 +53,8 @@ class Downloads:
         with open(path, "rb") as raw:
             self._config_hash = "sha1=%s" % hashlib.sha1(raw.read()).hexdigest()
 
-        self._cache_file = os.path.join(data_path, CACHE_FILE)
+        if debug is False:
+            self._cache_file = os.path.join(data_path, CACHE_FILE)
 
     @property
     def _cache(self):  # Cacheception
@@ -61,7 +66,7 @@ class Downloads:
     @property
     def mirrors(self):
         """Get a list of CD mirrors needed by the website"""
-        if not hasattr(self, "_mirrors"):
+        if not hasattr(self, "_mirrors") or self._mirrors is None:
             if self._cache is not None:
                 self._mirrors = self._cache["mirrors"]
             else: