refactor: convert remaining percent formatting in log messages

gns3server/logger.py

@@ -125,8 +125,8 @@ class CompressedRotatingFileHandler(RotatingFileHandler):
             self.stream.close()
         if self.backupCount > 0:
             for i in range(self.backupCount - 1, 0, -1):
-                sfn = "%s.%d.gz" % (self.baseFilename, i)
-                dfn = "%s.%d.gz" % (self.baseFilename, i + 1)
+                sfn = f"{self.baseFilename}.{i}.gz"
+                dfn = f"{self.baseFilename}.{i + 1}.gz"
                 if os.path.exists(sfn):
                     if os.path.exists(dfn):
                         os.remove(dfn)

gns3server/main.py

@@ -45,7 +45,7 @@ def daemonize():
             # Exit first parent
             sys.exit(0)
     except OSError as e:
-        print("First fork failed: %d (%s)\n" % (e.errno, e.strerror), file=sys.stderr)
+        print(f"First fork failed: {e.errno} ({e.strerror})\n", file=sys.stderr)
         sys.exit(1)
 
     # Decouple from parent environment
@@ -59,7 +59,7 @@ def daemonize():
             # Exit from second parent
             sys.exit(0)
     except OSError as e:
-        print("Second fork failed: %d (%s)\n" % (e.errno, e.strerror), file=sys.stderr)
+        print(f"Second fork failed: {e.errno} ({e.strerror})\n", file=sys.stderr)
         sys.exit(1)
 
 

gns3server/utils/__init__.py

@@ -72,7 +72,7 @@ def parse_version(version):
             info = int(info)
             # We pad with zero to compare only on string
             # This avoid issue when comparing version with different length
-            version.append("%06d" % (info,))
+            version.append(f"{info:06d}")
         except ValueError:
             # Force to a version with three number
             if len(version) == 1:

gns3server/utils/asyncio/aiozipstream.py

@@ -187,7 +187,7 @@ class ZipFile(zipfile.ZipFile):
         # check for valid comment length
         if len(comment) >= zipfile.ZIP_MAX_COMMENT:
             if self.debug:
-                print("Archive comment is too long; truncating to %d bytes" % zipfile.ZIP_MAX_COMMENT)
+                print(f"Archive comment is too long; truncating to {zipfile.ZIP_MAX_COMMENT} bytes")
             comment = comment[: zipfile.ZIP_MAX_COMMENT]
         self._comment = comment
         self._didModify = True