WIP: add ability to customize refformat

This feature is still in development, and is being put on the backburner
for now due to limitations of Alfred 5.5's Text View. For more details,
see:
<https://www.alfredforum.com/topic/21708-pre-populating-a-text-views-script-input-field-with-an-initial-value/>

tests/test_filter_prefs.py

@@ -115,7 +115,6 @@ def test_show_current_refformat(self):
         self.assertEqual(len(results), 1)
         self.assertEqual(results[0]["uid"], "yvs-refformat-Z {content}")
         self.assertEqual(results[0]["title"], "Z Jesus wept.")
-        self.assertEqual(results[0]["valid"], False)
         self.assertEqual(
             results[0]["variables"],
             {

yvs/customize_refformat.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+# coding=utf-8
+
+import json
+import os
+import re
+
+import yvs.core as core
+import yvs.filter_prefs as filter_prefs
+
+
+def main(variables):
+    ref = core.get_ref("111/jhn.11.35", core.get_default_user_prefs())
+    ref_format = json.loads(variables["value_id"])
+    print(
+        json.dumps(
+            {
+                "response": re.sub(
+                    r"\s*¬\s*",
+                    "\n",
+                    filter_prefs.get_ref_format_value(ref_format, ref)["name"],
+                ),
+                "footer": " · ".join(
+                    (
+                        "Press enter to confirm {}".format(variables["pref_name"]),
+                        "⎋ Return to results",
+                    )
+                ),
+                "behaviour": {
+                    "response": "replace",
+                    "scroll": "auto",
+                },
+            }
+        )
+    )
+
+
+if __name__ == "__main__":
+    main(
+        {
+            "pref_id": os.environ["pref_id"],
+            "pref_name": os.environ["pref_name"],
+            "value_id": os.environ["value_id"],
+            "value_name": os.environ["value_name"],
+        }
+    )

yvs/customize_refformat.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# The Alfred 5.5 Text View can only run an executable script as input; it cannot
+# execute arbitrary script code, which we ultimately need to do so we can run
+# the yvs.customize_refformat as a module; therefore, this intermediate shell
+# script is necessary to run yvs.customize_refformat in the proper module
+# context
+/usr/bin/python3 -m yvs.customize_refformat "$@"

yvs/filter_prefs.py

@@ -182,7 +182,14 @@ def get_value_result(value, user_prefs, pref_def):
         "title": value["name"],
     }
 
-    if value["id"] == user_prefs[pref_def["id"]]:
+    if value["id"] == user_prefs[pref_def["id"]] and pref_def["id"] == "refformat":
+        # If this value is the current value, indicate such
+        result["subtitle"] = (
+            "This is already your preferred {}; press Enter to tweak".format(
+                pref_def.get("short_name")
+            )
+        )
+    elif value["id"] == user_prefs[pref_def["id"]]:
         # If this value is the current value, indicate such
         result["subtitle"] = "This is already your preferred {}".format(
             pref_def.get("short_name")