lint

pubnix.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import os
 from pathlib import Path
 import subprocess
@@ -13,13 +14,13 @@ class PubNix:
     def __init__(
         self,
         dn,
-        ssh: str = None,
+        ssh: str | None = None,
         port: int = PORT,
         user: str = USER,
         root: str = ROOT,
         dir: bool = DIR,
-        web: str = None,
-        sub: bool = None,
+        web: str | None = None,
+        sub: bool | None = None,
     ):
         self.dn = dn
         self.ssh = f"{ssh}.{self.dn}" if ssh else self.dn
@@ -59,15 +60,21 @@ class PubNix:
         )
 
     def disk_free(self) -> str:
+        """Fetch free space information."""
         process = self.capturun("df", "-h", os.curdir)
         return process.stdout.decode("UTF-8").strip()
 
     def os(self) -> str:
+        """Fetch Operating System release information."""
         ps = self.capturun("cat", "/etc/os-release")
         if ps.returncode == 0:
             for line in ps.stdout.decode("UTF-8").strip().split(os.linesep):
                 if "PRETTY_NAME" in line:
-                    return line.split("=")[1].split('"')[1]
+                    text = line.split("=")[1].split('"')[1]
+                    break
+            else:
+                text = ""
+            return text
         else:
             return self.capturun("uname", "-sr").stdout.decode("UTF-8").strip()