run_electrum: add parse_command_line method

run_electrum

@@ -37,7 +37,7 @@ if sys.version_info[:3] < _min_python_version_tuple:
 
 import warnings
 import asyncio
-from typing import TYPE_CHECKING, Optional
+from typing import TYPE_CHECKING, Optional, Dict
 
 
 script_dir = os.path.dirname(os.path.realpath(__file__))
@@ -271,6 +271,39 @@ def sys_exit(i):
         loop_thread.join(timeout=1)
     sys.exit(i)
 
+def parse_command_line() -> Dict:
+    # parse command line from sys.argv
+    parser = get_parser()
+    args = parser.parse_args()
+    config_options = args.__dict__
+    f = lambda key: config_options[key] is not None and key not in config_variables.get(args.cmd, {}).keys()
+    config_options = {key: config_options[key] for key in filter(f, config_options.keys())}
+    if config_options.get(SimpleConfig.NETWORK_SERVER.key()):
+        config_options[SimpleConfig.NETWORK_AUTO_CONNECT.key()] = False
+
+    config_options['cwd'] = cwd = os.getcwd()
+
+    # fixme: this can probably be achieved with a runtime hook (pyinstaller)
+    if is_pyinstaller and os.path.exists(os.path.join(sys._MEIPASS, 'is_portable')):
+        config_options['portable'] = True
+
+    if config_options.get('portable'):
+        if is_local:
+            # running from git clone or local source: put datadir next to main script
+            datadir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'electrum_data')
+        else:
+            # Running a binary or installed source. The most generic but still reasonable thing
+            # is to use the current working directory. (see #7732)
+            # note: The main script is often unpacked to a temporary directory from a bundled executable,
+            #       and we don't want to put the datadir inside a temp dir.
+            # note: Re the portable .exe on Windows, when the user double-clicks it, CWD gets set
+            #       to the parent dir, i.e. we will put the datadir next to the exe.
+            datadir = os.path.join(os.path.realpath(cwd), 'electrum_data')
+        config_options['electrum_path'] = datadir
+
+    if not config_options.get('verbosity'):
+        warnings.simplefilter('ignore', DeprecationWarning)
+    return config_options
 
 def main():
     global loop, stop_loop, loop_thread
@@ -309,9 +342,6 @@ def main():
             sys.argv[i] = prompt_password('Enter argument (will not echo):', confirm=False)
     # load (only) the commands modules of plugins so their commands are registered
     plugin_commands = Plugins(cmd_only=True)
-    # parse command line
-    parser = get_parser()
-    args = parser.parse_args()
 
     # config is an object passed to the various constructors (wallet, interface, gui)
     if is_android:
@@ -330,34 +360,8 @@ def main():
             # ~hack for easier regtest builds. pkgname subject to change.
             config_options['regtest'] = True
     else:
-        config_options = args.__dict__
+        config_options = parse_command_line()
-        f = lambda key: config_options[key] is not None and key not in config_variables.get(args.cmd, {}).keys()
-        config_options = {key: config_options[key] for key in filter(f, config_options.keys())}
-        if config_options.get(SimpleConfig.NETWORK_SERVER.key()):
-            config_options[SimpleConfig.NETWORK_AUTO_CONNECT.key()] = False
 
-    config_options['cwd'] = cwd = os.getcwd()
-
-    # fixme: this can probably be achieved with a runtime hook (pyinstaller)
-    if is_pyinstaller and os.path.exists(os.path.join(sys._MEIPASS, 'is_portable')):
-        config_options['portable'] = True
-
-    if config_options.get('portable'):
-        if is_local:
-            # running from git clone or local source: put datadir next to main script
-            datadir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'electrum_data')
-        else:
-            # Running a binary or installed source. The most generic but still reasonable thing
-            # is to use the current working directory. (see #7732)
-            # note: The main script is often unpacked to a temporary directory from a bundled executable,
-            #       and we don't want to put the datadir inside a temp dir.
-            # note: Re the portable .exe on Windows, when the user double-clicks it, CWD gets set
-            #       to the parent dir, i.e. we will put the datadir next to the exe.
-            datadir = os.path.join(os.path.realpath(cwd), 'electrum_data')
-        config_options['electrum_path'] = datadir
-
-    if not config_options.get('verbosity'):
-        warnings.simplefilter('ignore', DeprecationWarning)
     config = SimpleConfig(config_options)
     cmdname = config.get('cmd')