fix: inability to reload provider dynamically when using cached sessions

fastanime/AnimeProvider.py

@@ -1,7 +1,4 @@
-"""An abstraction over all providers offering added features with a simple and well typed api
-
-[TODO:description]
-"""
+"""An abstraction over all providers offering added features with a simple and well typed api"""
 
 import importlib
 import logging
@@ -40,6 +37,10 @@ class AnimeProvider:
 
     def lazyload_provider(self, provider):
         """updates the current provider being used"""
+        try:
+            self.anime_provider.session.kill_connection_to_db()
+        except Exception:
+            pass
         _, anime_provider_cls_name = anime_sources[provider].split(".", 1)
         package = f"fastanime.libs.anime_provider.{provider}"
         provider_api = importlib.import_module(".api", package)

fastanime/libs/common/requests_cacher.py

@@ -60,6 +60,7 @@ class CachedRequestsSession(requests.Session):
     ):
         super().__init__(*args, **kwargs)
 
+        self.lockfile_path = cache_db_lock_file
         self.cache_db_path = cache_db_path
         self.max_lifetime = max_lifetime
         self.max_size = max_size
@@ -201,6 +202,11 @@ class CachedRequestsSession(requests.Session):
             content in caching_mimetypes[mime] for content in contents.split("+")
         )
 
+    def kill_connection_to_db(self):
+        lockfile_path = pathlib.Path(self.lockfile_path)
+        self.connection.close()
+        lockfile_path.unlink(missing_ok=True)
+
     @staticmethod
     def acquirer_lock(lock_file: str):
         """the function creates a lock file preventing other instances of the cacher from running at the same time"""