feat: support VISUAL env var

refer: #86

src/apyanki/anki.py

@@ -18,7 +18,7 @@
 from apyanki.config import cfg
 from apyanki.console import console
 from apyanki.note import Note, NoteData, markdown_file_to_notes
-from apyanki.utilities import cd, choose, editor, suppress_stdout
+from apyanki.utilities import cd, choose, edit_file, suppress_stdout
 
 if TYPE_CHECKING:
     from anki.notes import NoteId
@@ -368,7 +368,7 @@ def edit_model_css(self, model_name: str) -> None:
             tf.write(model["css"])
             tf.flush()
 
-            retcode = editor(tf.name)
+            retcode = edit_file(tf.name)
             if retcode != 0:
                 console.print(f"Editor return with exit code {retcode}!")
                 return
@@ -441,7 +441,7 @@ def add_notes_with_editor(
         ) as tf:
             tf.write(input_string)
             tf.flush()
-            retcode = editor(tf.name)
+            retcode = edit_file(tf.name)
 
             if retcode != 0:
                 console.print(f"Editor return with exit code {retcode}!")

src/apyanki/note.py

@@ -31,7 +31,7 @@
     prepare_field_for_cli_raw,
     toggle_field_to_markdown,
 )
-from apyanki.utilities import cd, choose, editor
+from apyanki.utilities import cd, choose, edit_file
 
 if TYPE_CHECKING:
     from apyanki.anki import Anki
@@ -192,7 +192,7 @@ def edit(self) -> None:
             tf.write(str(self))
             tf.flush()
 
-            retcode = editor(tf.name)
+            retcode = edit_file(tf.name)
             if retcode != 0:
                 console.print(f"[red]Editor return with exit code {retcode}![/red]")
                 return

src/apyanki/utilities.py

@@ -33,9 +33,10 @@ def __exit__(
         os.chdir(self.savedPath)
 
 
-def editor(filepath: str) -> int:
-    """Use EDITOR to edit file at given path"""
-    return call([os.environ.get("EDITOR", "vim"), filepath])
+def edit_file(filepath: str) -> int:
+    """Use $VISUAL or $EDITOR to edit file at given path"""
+    editor = os.environ.get("VISUAL", os.environ.get("EDITOR", "vim"))
+    return call([editor, filepath])
 
 
 def edit_text(input_text: str, prefix: str = "") -> str:
@@ -46,7 +47,7 @@ def edit_text(input_text: str, prefix: str = "") -> str:
     with NamedTemporaryFile(mode="w+", prefix=prefix, suffix=".md") as tf:
         tf.write(input_text)
         tf.flush()
-        editor(tf.name)
+        edit_file(tf.name)
         tf.seek(0)
         edited_message = tf.read().strip()