write_when_new, gitea, ifup/ifdown

- create parent directory with root access, if needed
- omit gitea check when repo is not available
- replace 'ifup <net>  by  ifconfig <net> up'

gitea.py

@@ -86,7 +86,11 @@ def change_to_gitea(doit, *repos):
     cwd = os.getcwd()
     try:
         for repo in repos:
-            os.chdir(Path('~').expanduser() / repo)
+            repodir = Path('~').expanduser() / repo
+            if not repodir.is_dir():
+                print(repodir, 'does not exist')
+                continue
+            os.chdir(repodir)
             try:
                 parser = ConfigParser()
                 parser.read('.git/config')

install.py

@@ -32,6 +32,8 @@ try:
     import serial
 except ImportError:
     if 'yes'.startswith(input('install pyserial? [y]')):
+        os.system('sudo apt update')
+        os.system('sudo apt install python3-pip')
         os.system('sudo pip3 install --break-system-packages pyserial')
     serial = None
 
@@ -311,7 +313,7 @@ def write_when_new(filename, content, as_root=False, ignore_reduction=False):
             return False
     if doit:
         if lines:
-            Path(filename).parent.mkdir(parents=True, exist_ok=True)
+            unix_cmd(f'mkdir -p {Path(filename).parent}', sudo=as_root)
             with tempfile.NamedTemporaryFile('w') as fil:
                 fil.write(content)
                 fil.flush()
@@ -702,10 +704,10 @@ def handle_config():
     for service, (action, _) in to_start.items():
         show.dirty = True
         if action == 'if_restart':
-            do_cmd(f'ifdown {service}')
+            do_cmd(f'ifconfig {service} down')
     for service, (action, as_root) in to_start.items():
         if action == 'if_restart':
-            do_cmd(f'ifup {service}')
+            do_cmd(f'ifconfig {service} up')
         else:
             if action == 'restart':  # else 'enable'
                 do_cmd('systemctl', 'restart', service, sudo=as_root)