User interface skeleton

nomadnet/NomadNetworkApp.py

@@ -1,7 +1,10 @@
 import os
-import RNS
 import atexit
 
+import RNS
+import nomadnet
+
+from ._version import __version__
 from .vendor.configobj import ConfigObj
 
 class NomadNetworkApp:
@@ -9,14 +12,17 @@ class NomadNetworkApp:
 
     configdir = os.path.expanduser("~")+"/.nomadnetwork"
 
-    def exit_handler():
+    def exit_handler(self):
         RNS.log("Nomad Network Client exit handler executing...")
 
     def __init__(self, configdir = None, rnsconfigdir = None):
+        self.version       = __version__
         self.enable_client = False
         self.enable_node   = False
         self.identity      = None
 
+        self.uimode        = None
+
         if configdir == None:
             self.configdir = NomadNetworkApp.configdir
         else:
@@ -47,7 +53,7 @@ class NomadNetworkApp:
             except Exception as e:
                 RNS.log("Could not parse the configuration at "+self.configpath, RNS.LOG_ERROR)
                 RNS.log("Check your configuration file for errors!", RNS.LOG_ERROR)
-                RNS.panic()
+                nomadnet.panic()
         else:
             RNS.log("Could not load config file, creating default configuration file...")
             self.createDefaultConfig()
@@ -62,11 +68,11 @@ class NomadNetworkApp:
                     RNS.log("Loaded Primary Identity %s from %s" % (str(self.identity), self.identitypath))
                 else:
                     RNS.log("Could not load the Primary Identity from "+self.identitypath, RNS.LOG_ERROR)
-                    RNS.panic()
+                    nomadnet.panic()
             except Exception as e:
                 RNS.log("Could not load the Primary Identity from "+self.identitypath, RNS.LOG_ERROR)
                 RNS.log("The contained exception was: %s" % (str(e)), RNS.LOG_ERROR)
-                RNS.panic()
+                nomadnet.panic()
         else:
             try:
                 RNS.log("No Primary Identity file found, creating new...")
@@ -79,11 +85,11 @@ class NomadNetworkApp:
                 RNS.panic()
 
         self.applyConfig()
-
         self.rns = RNS.Reticulum(configdir = rnsconfigdir)
-
         atexit.register(self.exit_handler)
 
+        self.ui = nomadnet.ui.spawn(self.uimode)
+
 
     def createDefaultConfig(self):
         self.config = ConfigObj(__default_nomadnet_config__)
@@ -114,6 +120,19 @@ class NomadNetworkApp:
                     value = self.config["client"].as_bool(option)
                     self.enable_client = value
 
+                if option == "user_interface":
+                    value = value.lower()
+                    if value == "none":
+                        self.uimode = nomadnet.ui.UI_NONE
+                    if value == "menu":
+                        self.uimode = nomadnet.ui.UI_MENU
+                    if value == "text":
+                        self.uimode = nomadnet.ui.UI_TEXT
+                    if value == "graphical":
+                        self.uimode = nomadnet.ui.UI_GRAPHICAL
+                    if value == "web":
+                        self.uimode = nomadnet.ui.UI_WEB
+
         if "node" in self.config:
             for option in self.config["node"]:
                 value = self.config["node"][option]
@@ -155,6 +174,7 @@ loglevel = 4
 [client]
 
 enable_client = Yes
+user_interface = text
 
 [node]
 

nomadnet/__init__.py

@@ -1,5 +1,12 @@
 import os
 import glob
 
+from .NomadNetworkApp import NomadNetworkApp
+from .ui import *
+
+
 modules = glob.glob(os.path.dirname(__file__)+"/*.py")
 __all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')]
+
+def panic():
+    os._exit(255)

nomadnet/nomadnet.py

@@ -1,14 +1,13 @@
 #!/usr/bin/env python3
 
-import argparse
-
 from ._version import __version__
-from .NomadNetworkApp import NomadNetworkApp
+
+import argparse
+import nomadnet
+
 
 def program_setup(configdir, rnsconfigdir):
-    app = NomadNetworkApp(configdir = configdir, rnsconfigdir = rnsconfigdir)
-    input()
-    app.quit()
+    app = nomadnet.NomadNetworkApp(configdir = configdir, rnsconfigdir = rnsconfigdir)
 
 def main():
     try:

nomadnet/ui/GraphicalUI.py

@@ -0,0 +1,8 @@
+import RNS
+import nomadnet
+
+class GraphicalUI:
+
+    def __init__(self):
+        RNS.log("Graphical UI not implemented", RNS.LOG_ERROR)
+        nomadnet.panic()

nomadnet/ui/MenuUI.py

@@ -0,0 +1,8 @@
+import RNS
+import nomadnet
+
+class MenuUI:
+
+    def __init__(self):
+        RNS.log("Menu UI not implemented", RNS.LOG_ERROR)
+        nomadnet.panic()

nomadnet/ui/TextUI.py

@@ -0,0 +1,39 @@
+import RNS
+from nomadnet import NomadNetworkApp
+import importlib
+
+class TextUI:
+
+    def __init__(self):
+        self.app = NomadNetworkApp.get_shared_instance()
+
+        self.loop = None
+        self.main_widget = None
+
+        if importlib.util.find_spec("urwid") != None:
+            import urwid
+        else:
+            RNS.log("The text-mode user interface requires Urwid to be installed on your system.", RNS.LOG_ERROR)
+            RNS.log("You can install it with the command: pip3 install urwid", RNS.LOG_ERROR)
+            nomadnet.panic()
+
+        loop = urwid.MainLoop(self.build_intro())
+        loop.run()
+
+    def build_intro(self):
+        import urwid
+
+        font = urwid.font.HalfBlock5x4Font()
+
+        big_text = "Nomad Network"
+        big_text = urwid.BigText(("intro_bigtext", big_text), font)
+        big_text = urwid.Padding(big_text, align="center", width="clip")
+
+        intro = urwid.Pile([
+            big_text,
+            urwid.Text(["Version %s" % (str(self.app.version))], align="center"),
+            urwid.Divider(),
+            urwid.Text(("intro_smalltext", "-= Starting =-"), align="center"),
+        ])
+
+        return urwid.Filler(intro) 

nomadnet/ui/WebUI.py

@@ -0,0 +1,8 @@
+import RNS
+import nomadnet
+
+class WebUI:
+
+    def __init__(self):
+        RNS.log("Web UI not implemented", RNS.LOG_ERROR)
+        nomadnet.panic()

nomadnet/ui/__init__.py

@@ -1,5 +1,37 @@
 import os
 import glob
+import RNS
+import nomadnet
+
+from .MenuUI      import MenuUI
+from .TextUI      import TextUI
+from .GraphicalUI import GraphicalUI
+from .WebUI       import WebUI
+
+UI_NONE       = 0x00
+UI_MENU       = 0x01
+UI_TEXT       = 0x02
+UI_GRAPHICAL  = 0x03
+UI_WEB        = 0x04
+
+UI_MODES = [UI_MENU, UI_TEXT, UI_GRAPHICAL, UI_WEB]
 
 modules = glob.glob(os.path.dirname(__file__)+"/*.py")
 __all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')]
+
+def spawn(uimode):
+    if uimode in UI_MODES:
+        RNS.log("Starting user interface...", RNS.LOG_INFO)
+        if uimode == UI_MENU:
+            return MenuUI()
+        elif uimode == UI_TEXT:
+            return TextUI()
+        elif uimode == UI_GRAPHICAL:
+            return GraphicalUI()
+        elif uimode == UI_WEB:
+            return WebUI()
+        else:
+            return None
+    else:
+        RNS.log("Invalid UI mode", RNS.LOG_ERROR)
+        nomadnet.panic()