feat: support local-fs via dynamic config menu

.gitignore

@@ -4,3 +4,4 @@ __pycache__/
 cache/
 install/
 *.json
+install-dir/

client.py

@@ -30,8 +30,9 @@ def close_input_window(input_window):
     '''Close the config window and save the settings'''
 
     # retrieve values #
-    entries = list(filter(lambda x: isinstance(x, customtkinter.CTkEntry), input_window.winfo_children()))
+    entries = list(filter(lambda x: isinstance(x, (customtkinter.CTkEntry, customtkinter.CTkOptionMenu)), input_window.winfo_children()))
     labels = [ input_window.grid_slaves(row=e.grid_info()["row"], column=e.grid_info()["column"]-1)[0] for e in entries ]
+    print(labels)
     ret_dict = dict()
     for e, l in zip(entries, labels):
         ret_dict.update({ l.cget("text") : e.get() })
@@ -276,17 +277,30 @@ if __name__ == "__main__":
         user = config_loaded.get("User:")
         password = config_loaded.get("Password:")
         install_dir = config_loaded["Install dir:"]
+        backend_type = config_loaded["Select option:"]
 
         # get the secod part of the server string, then split once at first / to get path and prepend / again#
+        if backend_type == "FTP/FTPS":
             remote_root_dir = "/" + config_loaded["Server/Path:"].split("://")[1].split("/", 1)[1]
             server = config_loaded["Server/Path:"][:-len(remote_root_dir)]
+        elif backend_type == "Local Filesystem":
+            remote_root_dir = config_loaded["Server/Path:"]
+            server = None
+        else:
+            raise NotImplementedError("Unsupported Backend")
 
         # debug output #
         print(user, password, install_dir, remote_root_dir, server, config_loaded["Server/Path:"])
 
         # add db backend #
+        if backend_type == "FTP/FTPS":
             db = data_backend.FTP(user, password, install_dir, server=server,
                 remote_root_dir=remote_root_dir, progress_bar_wrapper=pgw, tkinter_root=app)
+        elif backend_type == "Local Filesystem":
+            db = data_backend.LocalFS(user, password, install_dir, server=server,
+                remote_root_dir=remote_root_dir, progress_bar_wrapper=pgw, tkinter_root=app)
+        else:
+            raise NotImplementedError("Unsupported Backend")
 
     # geometry is set at the very beginning #
     app.update()

data_backend.py

@@ -20,6 +20,7 @@ class DataBackend:
         self.install_dir = install_dir
         self.progress_bar_wrapper = progress_bar_wrapper
         self.root = tkinter_root
+        self.cache_dir = "./cache/"
 
     def get(self, path, return_content=False):
         '''Return the contents of this path'''
@@ -50,8 +51,8 @@ class LocalFS(DataBackend):
         
         # load the file on remote #
         with open(fullpath, "rb") as f:
-            print(cache_dir, path)
             target = os.path.join(cache_dir, os.path.basename(path))
+            print("Cache-Dir-Base", cache_dir, "Cache-Dir-Target", target, "Path:", path)
             with open(target, "wb") as ft:
                 if return_content:
                     return f.read()
@@ -82,9 +83,9 @@ class LocalFS(DataBackend):
             if not os.path.isfile(meta_file):
                 continue
             else:
-                meta_info_list.append(software.Software(meta_file, self))
+                meta_info_list.append(software.Software(meta_file, self, self.progress_bar_wrapper))
         
-        return meta_info_list
+        return list(filter(lambda x: not x.invalid, meta_info_list))
 
 class FTP(DataBackend):
 
@@ -122,6 +123,9 @@ class FTP(DataBackend):
         else:
             ftp.login()
 
+        # cache dir is automatically set #
+        self.cache_dir = None
+
         return ftp
 
 
@@ -227,5 +231,5 @@ class FTP(DataBackend):
                     #print(meta_file_content)
                     local_meta_file_list.append(f)
         
-        return [ software.Software(meta_file, self, self.progress_bar_wrapper) 
-                    for meta_file in local_meta_file_list ]
+        return list(filter(lambda x: not x.invalid, [ software.Software(meta_file, self, self.progress_bar_wrapper) 
+                    for meta_file in local_meta_file_list ]))

software.py

@@ -14,9 +14,17 @@ class Software:
         self.meta_file = meta_file
         self.directory = os.path.dirname(meta_file)
         self.backend = backend
-        # print(self.directory)
-        self.cache_dir = os.path.join("cache", self.directory)
+        print("Software Directory:", self.directory)
+
+        self.cache_dir = backend.cache_dir or os.path.join("cache", self.directory)
+
+        # return None instead of the object if yaml failed #
+        try:
+            self.invalid = False
             self._load_from_yaml()
+        except ValueError as e:
+            self.invalid = True
+
         self.progress_bar_wrapper = progress_bar_wrapper
 
     def _load_from_yaml(self):
@@ -24,6 +32,9 @@ class Software:
         content = self.backend.get(self.meta_file, self.cache_dir, return_content=True)
 
         meta = yaml.safe_load(content)
+        if not meta:
+            raise ValueError("Empty Meta File")
+
         self.title = meta.get("title")
         self.genre = meta.get("genre")
         self.description = meta.get("description")