Added arguments parser

web-greeter/__main__.py

@@ -26,17 +26,77 @@
 #  along with Web Greeter; If not, see <http://www.gnu.org/licenses/>.
 
 # Standard lib
-import sys
-import ruamel.yaml as yaml
-import os
+import sys, argparse, os
+from typing import List
 
 # 3rd-Party Libs
-from browser.browser import Browser
-from logger import logger
 import globals
 import config
 
+def list_themes() -> List[str]:
+    themes_dir = config.web_greeter_config["app"]["theme_dir"]
+    themes_dir = themes_dir if os.path.exists(themes_dir) else "/usr/share/web-greeter/themes"
+    filenames = os.listdir(themes_dir)
+
+    dirlist = []
+    for file in filenames:
+        if os.path.isdir(os.path.join(themes_dir, file)):
+            dirlist.append(file)
+
+    return dirlist
+
+def print_themes():
+    themes_dir = config.web_greeter_config["app"]["theme_dir"]
+    themes_dir = themes_dir if os.path.exists(themes_dir) else "/usr/share/web-greeter/themes"
+    themes = list_themes()
+    print("Themes are located in {themes_dir}\n".format(themes_dir = themes_dir))
+    for theme in themes:
+        print("-", theme)
+
+
+def set_theme(theme: str):
+    config.web_greeter_config["config"]["greeter"]["theme"] = theme
+
+def set_debug(value: bool):
+    conf = config.web_greeter_config["config"]
+    app = config.web_greeter_config["app"]
+    conf["greeter"]["debug_mode"] = value
+    app["decorated"] = value
+    app["fullscreen"] = not value
+
+def parse(argv):
+    version = config.web_greeter_config["app"]["version"]["full"]
+    parser = argparse.ArgumentParser(prog="web-greeter", add_help=False)
+    parser.add_argument("-h", "--help", action="help", help="Show this help message and exit")
+    parser.add_argument("-v", "--version", action="version", version=version, help="Show version number")
+
+    parser.add_argument("--debug", action="store_true", help="Run the greeter in debug mode", dest="debug", default=None)
+    parser.add_argument("--normal", action="store_false", help="Run in non-debug mode", dest="debug")
+    parser.add_argument("--list", action="store_true", help="List available themes")
+    parser.add_argument("--theme", help="Set the theme to use", metavar="[name]")
+
+    args: argparse.Namespace
+
+    try:
+        args = parser.parse_args(argv)
+    except argparse.ArgumentError:
+        sys.exit()
+
+    # print(args)
+
+    if (args.list):
+        print_themes()
+        sys.exit()
+    if (args.theme):
+        set_theme(args.theme)
+    if (args.debug != None):
+        set_debug(args.debug)
+
 if __name__ == '__main__':
+    parse(sys.argv[1:])
+
+    from browser.browser import Browser
+
     globals.greeter = Browser()
     greeter = globals.greeter
     greeter.run()

web-greeter/browser/browser.py

@@ -29,7 +29,7 @@
 # Standard lib
 
 from browser.window import MainWindow
-from bridge.devtools import DevTools
+from browser.devtools import DevTools
 import os
 from typing import (
     Dict,
@@ -138,7 +138,6 @@ class Browser(Application):
 
     def init(self):
         logger.debug("Initializing Browser Window")
-        web_greeter_config["config"]["greeter"]["debug_mode"] = True
 
         if web_greeter_config["config"]["greeter"]["debug_mode"]:
             os.environ['QTWEBENGINE_REMOTE_DEBUGGING'] = '12345'

web-greeter/browser/devtools.py

@@ -32,6 +32,8 @@ from PyQt5.QtWebEngineWidgets import (
     QWebEnginePage,
 )
 
+from logger import logger
+
 class DevTools:
 
     def __init__(self):
@@ -42,4 +44,5 @@ class DevTools:
 
         self.view.load(QUrl('http://127.0.0.1:12345'))
         self.view.show()
+        logger.debug("DevTools initialized")
 

web-greeter/config.py

@@ -66,7 +66,13 @@ web_greeter_config = {
         "fullscreen": True,
         "frame": False,
         "debug_mode": False,
-        "theme_dir": "/usr/share/web-greeter/themes/"
+        "theme_dir": "/usr/share/web-greeter/themes/",
+        "version": {
+            "full": "3.0.0",
+            "major": 3,
+            "minor": 3,
+            "micro": 0,
+        },
     }
 }