update upgrade module to use new message handling

jrnl/messages.py

@@ -75,6 +75,8 @@ class MsgText(Enum):
 
     NoDefaultJournal = "No default journal configured\n{journals}"
 
+    FileDoesNotExist = "{filename} does not exist"
+
     # --- Journal status ---#
     JournalNotSaved = "Entry NOT saved to journal"
     JournalEntryAdded = "Entry added to {journal_name} journal"
@@ -90,6 +92,7 @@ class MsgText(Enum):
     JournalCreated = "Journal '{journal_name}' created at {filename}"
     DirectoryCreated = "Directory {directory_name} created"
     JournalEncrypted = "Journal will be encrypted."
+    BackupCreated = "Created a backup at {filename}"
 
     # --- Editor ---#
     WritingEntryStart = """

jrnl/upgrade.py

@@ -20,7 +20,6 @@ from jrnl.messages import MsgType
 
 
 def backup(filename, binary=False):
-    print(f"  Created a backup at {filename}.backup", file=sys.stderr)
     filename = os.path.expanduser(os.path.expandvars(filename))
 
     try:
@@ -29,8 +28,17 @@ def backup(filename, binary=False):
 
         with open(filename + ".backup", "wb" if binary else "w") as backup:
             backup.write(contents)
+
+        print_msg(
+            Message(
+                MsgText.BackupCreated, MsgType.NORMAL, {"filename": f"filename.backup"}
+            )
+        )
+
     except FileNotFoundError:
-        print(f"\nError: {filename} does not exist.")
+        print_msg(
+            Message(MsgText.FileDoesNotExist, MsgType.WARNING, {"filename": filename})
+        )
         cont = yesno(f"\nCreate {filename}?", default=False)
         if not cont:
             raise JrnlException(Message(MsgText.UpgradeAborted, MsgType.WARNING))