From 59af84161d88c672075c60255233271f9c042c07 Mon Sep 17 00:00:00 2001
From: Dennis Fink
Date: Fri, 7 May 2021 08:46:12 +0200
Subject: Catch UsageError raised from click.edit, if it is unable to open a
 editor

---
 patternutils/utils.py | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/patternutils/utils.py b/patternutils/utils.py
index d78d990..ca07e2f 100644
--- a/patternutils/utils.py
+++ b/patternutils/utils.py
@@ -19,18 +19,22 @@ def edit(data: Union[dict[str, str], list[str]]) -> dict[str, str]:
     else:
         temporary = [f"{value.ljust(longest)}\t{value}\n" for value in data]
 
-    if (edited := click.edit("".join(temporary))) is not None:
-        new_data = dict()
-        for line in edited.split("\n"):
-            if line and "\t" in line:
-                old, new = line.split("\t")
-                new_data[old.strip()] = new
-        if new_data:
-            return new_data
+    try:
+        if (edited := click.edit("".join(temporary))) is not None:
+            new_data = dict()
+            for line in edited.split("\n"):
+                if line and "\t" in line:
+                    old, new = line.split("\t")
+                    new_data[old.strip()] = new
+            if new_data:
+                return new_data
+            else:
+                raise RuntimeError
         else:
-            raise RuntimeError
-    else:
-        return data
+            return data
+    except click.UsageError:
+        click.secho("The editor could not be launced!", fg="red", err=True)
+        raise SystemExit
 
 
 def json_dumps(data: Any, human_readable: bool = False) -> str:
-- 
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