appscatalog: this 'init' step is overengineered ... let's instead say the nominal case is that there's no apps_catalog.yml defined, and in this case we use the default catalog

locales/en.json

@@ -76,7 +76,6 @@
     "app_yunohost_version_not_supported": "This app requires YunoHost >= {required} but current installed version is {current}",
     "apps_already_up_to_date": "All apps are already up-to-date",
     "apps_catalog_failed_to_download": "Unable to download the {apps_catalog} app catalog: {error}",
-    "apps_catalog_init_success": "App catalog system initialized!",
     "apps_catalog_obsolete_cache": "The app catalog cache is empty or obsolete.",
     "apps_catalog_update_success": "The application catalog has been updated!",
     "apps_catalog_updating": "Updating application catalog...",

src/app_catalog.py

@@ -41,6 +41,7 @@ APPS_CATALOG_LOGOS = "/usr/share/yunohost/applogos"
 APPS_CATALOG_CONF = "/etc/yunohost/apps_catalog.yml"
 APPS_CATALOG_API_VERSION = 3
 APPS_CATALOG_DEFAULT_URL = "https://app.yunohost.org/default"
+DEFAULT_APPS_CATALOG_LIST = [{"id": "default", "url": APPS_CATALOG_DEFAULT_URL}]
 
 
 def app_catalog(full=False, with_categories=False, with_antifeatures=False):
@@ -120,33 +121,21 @@ def app_search(string):
     return matching_apps
 
 
-def _initialize_apps_catalog_system():
-    """
-    This function is meant to intialize the apps_catalog system with YunoHost's default app catalog.
-    """
-
-    default_apps_catalog_list = [{"id": "default", "url": APPS_CATALOG_DEFAULT_URL}]
-
-    try:
-        logger.debug(
-            "Initializing apps catalog system with YunoHost's default app list"
-        )
-        write_to_yaml(APPS_CATALOG_CONF, default_apps_catalog_list)
-    except Exception as e:
-        raise YunohostError(
-            f"Could not initialize the apps catalog system... : {e}", raw_msg=True
-        )
-
-    logger.success(m18n.n("apps_catalog_init_success"))
-
-
 def _read_apps_catalog_list():
     """
     Read the json corresponding to the list of apps catalogs
     """
 
+    if not os.path.exists(APPS_CATALOG_CONF):
+        return DEFAULT_APPS_CATALOG_LIST
+
     try:
         list_ = read_yaml(APPS_CATALOG_CONF)
+        if list_ == DEFAULT_APPS_CATALOG_LIST:
+            try:
+                os.remove(APPS_CATALOG_CONF)
+            except Exception:
+                pass
         # Support the case where file exists but is empty
         # by returning [] if list_ is None
         return list_ if list_ else []

src/tests/test_app_catalog.py

@@ -12,7 +12,6 @@ from moulinette.utils.filesystem import read_json, write_to_json, write_to_yaml
 
 from yunohost.utils.error import YunohostError
 from yunohost.app_catalog import (
-    _initialize_apps_catalog_system,
     _read_apps_catalog_list,
     _update_apps_catalog,
     _actual_apps_catalog_api_url,
@@ -66,44 +65,17 @@ def teardown_function(function):
 #
 
 
-def test_apps_catalog_init(mocker):
-    # Cache is empty
-    assert not glob.glob(APPS_CATALOG_CACHE + "/*")
-    # Conf doesn't exist yet
-    assert not os.path.exists(APPS_CATALOG_CONF)
-
-    # Initialize ...
-    mocker.spy(m18n, "n")
-    _initialize_apps_catalog_system()
-    m18n.n.assert_any_call("apps_catalog_init_success")
-
-    # And a conf with at least one list
-    assert os.path.exists(APPS_CATALOG_CONF)
-    apps_catalog_list = _read_apps_catalog_list()
-    assert len(apps_catalog_list)
-
-    # Cache is expected to still be empty though
-    # (if we did update the apps_catalog during init,
-    # we couldn't differentiate easily exceptions
-    # related to lack of network connectivity)
-    assert not glob.glob(APPS_CATALOG_CACHE + "/*")
-
-
 def test_apps_catalog_emptylist():
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     # Let's imagine somebody removed the default apps catalog because uh idk they dont want to use our default apps catalog
     os.system("rm %s" % APPS_CATALOG_CONF)
     os.system("touch %s" % APPS_CATALOG_CONF)
 
     apps_catalog_list = _read_apps_catalog_list()
-    assert not len(apps_catalog_list)
+    assert len(apps_catalog_list)
 
 
 def test_apps_catalog_update_nominal(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     # Cache is empty
     assert not glob.glob(APPS_CATALOG_CACHE + "/*")
@@ -135,8 +107,6 @@ def test_apps_catalog_update_nominal(mocker):
 
 
 def test_apps_catalog_update_404(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     with requests_mock.Mocker() as m:
         # 404 error
@@ -149,8 +119,6 @@ def test_apps_catalog_update_404(mocker):
 
 
 def test_apps_catalog_update_timeout(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     with requests_mock.Mocker() as m:
         # Timeout
@@ -165,8 +133,6 @@ def test_apps_catalog_update_timeout(mocker):
 
 
 def test_apps_catalog_update_sslerror(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     with requests_mock.Mocker() as m:
         # SSL error
@@ -181,8 +147,6 @@ def test_apps_catalog_update_sslerror(mocker):
 
 
 def test_apps_catalog_update_corrupted(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     with requests_mock.Mocker() as m:
         # Corrupted json
@@ -197,8 +161,6 @@ def test_apps_catalog_update_corrupted(mocker):
 
 
 def test_apps_catalog_load_with_empty_cache(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     # Cache is empty
     assert not glob.glob(APPS_CATALOG_CACHE + "/*")
@@ -223,8 +185,6 @@ def test_apps_catalog_load_with_empty_cache(mocker):
 
 
 def test_apps_catalog_load_with_conflicts_between_lists(mocker):
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     conf = [
         {"id": "default", "url": APPS_CATALOG_DEFAULT_URL},
@@ -261,8 +221,6 @@ def test_apps_catalog_load_with_conflicts_between_lists(mocker):
 
 
 def test_apps_catalog_load_with_outdated_api_version():
-    # Initialize ...
-    _initialize_apps_catalog_system()
 
     # Update
     with requests_mock.Mocker() as m:

src/tools.py

@@ -253,10 +253,7 @@ def tools_postinstall(
     # Enable UPnP silently and reload firewall
     firewall_upnp("enable", no_refresh=True)
 
-    # Initialize the apps catalog system
+    # Try to fetch the apps catalog ...
-    _initialize_apps_catalog_system()
-
-    # Try to update the apps catalog ...
     # we don't fail miserably if this fails,
     # because that could be for example an offline installation...
     try: