fix: Fix Download.name and always init struct args to empty dicts

src/aria2p/cli.py

@@ -97,7 +97,7 @@ def check_args(parser, args):
             subparser[args.subcommand].error("the following arguments are required: gids or --all")
         elif args.do_all and args.gids:
             subparser[args.subcommand].error("argument -a/--all: not allowed with arguments gids")
-    elif args.subcommand.endswith("-all"):
+    elif (args.subcommand or "").endswith("-all"):
         warnings.warn(
             f"Subcommand '{args.subcommand}' is deprecated in favor of '{args.subcommand[:-4]} --all'.\n"
             f"It will be removed in version 0.5.0, please update your scripts/code.",

src/aria2p/downloads.py

@@ -21,7 +21,7 @@ def __init__(self, struct):
         Args:
             struct (dict): a dictionary Python object returned by the JSON-RPC client.
         """
-        self._struct = struct
+        self._struct = struct or {}
 
     def __str__(self):
         return self.info["name"]
@@ -83,7 +83,7 @@ def __init__(self, struct):
         Args:
             struct (dict): a dictionary Python object returned by the JSON-RPC client.
         """
-        self._struct = struct
+        self._struct = struct or {}
 
     def __str__(self):
         return str(self.path)
@@ -182,7 +182,7 @@ def __init__(self, api, struct):
             struct (dict): a dictionary Python object returned by the JSON-RPC client.
         """
         self.api = api
-        self._struct = struct
+        self._struct = struct or {}
         self._files = []
         self._root_files_paths = []
         self._bittorrent = None
@@ -220,7 +220,12 @@ def name(self):
             if self.bittorrent and self.bittorrent.info:
                 self._name = self.bittorrent.info["name"]
             else:
-                self._name = str(self.files[0].path.relative_to(self.dir))
+                file_path = str(self.files[0].path.absolute())
+                dir_path = str(self.dir.absolute())
+                if file_path.startswith(dir_path):
+                    self._name = Path(file_path[len(dir_path)+1:]).parts[0]
+                else:
+                    self._name = self.files[0].uris[0]["uri"].split("/")[-1]
         return self._name
 
     @property

src/aria2p/options.py

@@ -32,7 +32,7 @@ def __init__(self, api, struct, download=None):
         """
         self.api = api
         self.download = download
-        self._struct = struct
+        self._struct = struct or {}
 
     @property
     def are_global(self):

src/aria2p/stats.py

@@ -15,7 +15,7 @@ def __init__(self, struct):
         Args:
             struct (dict): a dictionary Python object returned by the JSON-RPC client.
         """
-        self._struct = struct
+        self._struct = struct or {}
 
     @property
     def download_speed(self):