Move edit_post_with_editor to external file

1 files changed, 19 insertions, 0 deletions

diff --git a/cli/cli.py b/cli/cli.py
index 33bd1422..4c9733b1 100644
--- a/cli/cli.py
+++ b/cli/cli.py
@@ -1,5 +1,8 @@
 #/bin/python3
 
+import os
+import subprocess
+
 from generators import generators
 
 
@@ -13,3 +16,19 @@ def regenerate(args):
     """Wrapper for generate_blog(fresh=True)."""
     # pylint: disable=unused-argument
     exit(generators.generate_blog(fresh=True))
+
+
+def edit_post_with_editor(path):
+    """Launch text editor to edit post at a given path.
+
+    Text editor is $VISUAL, then if empty, $EDITOR, then if still empty,
+    vi.
+
+    """
+    if "VISUAL" in os.environ:
+        editor = os.environ["VISUAL"]
+    elif "EDITOR" in os.environ:
+        editor = os.environ["EDITOR"]
+    else:
+        editor = "vi"
+    subprocess.call([editor, path])