From f7b1ba4140da6c644f1a692fb7e344630e6f0013 Mon Sep 17 00:00:00 2001
From: Dennis Fink
Date: Sat, 25 Dec 2021 10:42:26 +0100
Subject: Use assignment operator with utils.edit

---
 patternutils/commands/targs.py | 4 +++-
 patternutils/commands/tln.py   | 3 ++-
 patternutils/commands/tmv.py   | 3 ++-
 patternutils/utils.py          | 6 +++---
 4 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/patternutils/commands/targs.py b/patternutils/commands/targs.py
index 3da6552..317d5e1 100644
--- a/patternutils/commands/targs.py
+++ b/patternutils/commands/targs.py
@@ -105,7 +105,9 @@ def targs(
 
     if editor:
         try:
-            commands = list(utils.edit(commands).values())
+            if (new_commands := utils.edit(commands)) is not None:
+                commands = list(new_commands.values())
+
         except RuntimeError:
             click.secho("Your edit is not parseable!", fg="red", err=True)
             raise SystemExit
diff --git a/patternutils/commands/tln.py b/patternutils/commands/tln.py
index 0033946..878f556 100644
--- a/patternutils/commands/tln.py
+++ b/patternutils/commands/tln.py
@@ -128,7 +128,8 @@ def tln(
 
     if editor:
         try:
-            new_filenames = utils.edit(new_filenames)
+            if (temporary_filenames := utils.edit(new_filenames)) is not None:
+                new_filenames = temporary_filenames
         except RuntimeError:
             click.secho("Your edit is not parseable!", fg="red", err=True)
             raise SystemExit
diff --git a/patternutils/commands/tmv.py b/patternutils/commands/tmv.py
index 3b7f5e3..1c61b67 100644
--- a/patternutils/commands/tmv.py
+++ b/patternutils/commands/tmv.py
@@ -126,7 +126,8 @@ def tmv(
 
     if editor:
         try:
-            new_filenames = utils.edit(new_filenames)
+            if (temporary_filenames := utils.edit(new_filenames)) is not None:
+                new_filenames = temporary_filenames
         except RuntimeError:
             click.secho("Your edit is not parseable!", fg="red", err=True)
             raise SystemExit
diff --git a/patternutils/utils.py b/patternutils/utils.py
index ca07e2f..0395110 100644
--- a/patternutils/utils.py
+++ b/patternutils/utils.py
@@ -1,6 +1,6 @@
 import json
 import os
-from typing import Any, Generator, Union
+from typing import Any, Generator, Optional, Union
 
 import click
 
@@ -10,7 +10,7 @@ def max_procs() -> int:
     return 1 if cpu_count is None else cpu_count * 2
 
 
-def edit(data: Union[dict[str, str], list[str]]) -> dict[str, str]:
+def edit(data: Union[dict[str, str], list[str]]) -> Optional[dict[str, str]]:
 
     longest = len(max(data, key=len))
 
@@ -31,7 +31,7 @@ def edit(data: Union[dict[str, str], list[str]]) -> dict[str, str]:
             else:
                 raise RuntimeError
         else:
-            return data
+            return None
     except click.UsageError:
         click.secho("The editor could not be launced!", fg="red", err=True)
         raise SystemExit
-- 
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