fix: invoke certain programs with shlex

von/controller/add.py

@@ -2,6 +2,7 @@
 import logging
 import os
 import re
+import shlex
 import subprocess
 import tempfile
 import traceback
@@ -40,7 +41,7 @@ def user_file_input(
         filename = tf.name
     if pre_hook is not None:
         pre_hook(filename)
-    subprocess.run([EDITOR, filename])
+    subprocess.run([*shlex.split(EDITOR), filename])
 
     with open(filename, "r") as tf:
         edited_message = "".join(_ for _ in tf.readlines())

von/controller/edit.py

@@ -1,4 +1,5 @@
 import logging
+import shlex
 import subprocess
 
 from .. import model, view
@@ -37,7 +38,7 @@ def main(self: object, argv: list[str]):
         else:
             full_path = model.completePath(entry.path)
             preview.make_preview(full_path)
-            subprocess.call([EDITOR, full_path])  # do editing
+            subprocess.call([*shlex.split(EDITOR), full_path])  # do editing
 
             problem = model.makeProblemFromPath(entry.path)
             new_entry = model.updateEntryByProblem(old_entry=entry, new_problem=problem)

von/fzf.py

@@ -1,4 +1,6 @@
+import shlex
 import subprocess
+import sys
 
 from .model import PickleMappingEntry, VonIndex, setCache
 from .puid import inferPUID
@@ -21,7 +23,7 @@ def fzf_choose() -> str:
             "-d",
             r"\t",
             "--preview",
-            "python -m von show {2}",
+            f"{shlex.quote(sys.executable)} -m von show {{2}}",
             "--preview-window",
             "down",
         ],