Add aspect-ratio measurement as a soft trimming signal, reported against every standard card size

store.py

@@ -38,6 +38,7 @@ CREATE TABLE IF NOT EXISTS grades (
     categories_json      TEXT,
     edge_measurements_json     TEXT,
     centering_measurement_json TEXT,
+    aspect_measurement_json    TEXT,
     limitations_json     TEXT,
     note                 TEXT,
     estimated_cost       REAL,
@@ -65,6 +66,14 @@ def init():
     conn = connect()
     try:
         conn.executescript(SCHEMA)
+        # CREATE TABLE IF NOT EXISTS never touches an already-existing table,
+        # so a column added after cards were already graded needs its own
+        # migration — guarded because re-running this against a database
+        # that already has the column would otherwise error every startup.
+        try:
+            conn.execute("ALTER TABLE grades ADD COLUMN aspect_measurement_json TEXT")
+        except sqlite3.OperationalError:
+            pass
         for key, value in DEFAULT_SETTINGS.items():
             conn.execute(
                 "INSERT OR IGNORE INTO settings (key, value) VALUES (?, ?)",
@@ -127,8 +136,9 @@ def save_grade(grade, thumbnail=None, label=None):
             " model, estimated_grade, "
             " grade_low, grade_high, confidence, categories_json, "
             " edge_measurements_json, centering_measurement_json, "
+            " aspect_measurement_json, "
             " limitations_json, note, estimated_cost, usage_json) "
-            "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",
+            "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",
             (
                 now(), label, grade.get("card_type"), grade.get("card_note"),
                 grade.get("image_count"), thumbnail,
@@ -138,6 +148,7 @@ def save_grade(grade, thumbnail=None, label=None):
                 json.dumps(grade.get("categories")),
                 json.dumps(grade.get("edge_measurements")),
                 json.dumps(grade.get("centering_measurement")),
+                json.dumps(grade.get("aspect_measurement")),
                 json.dumps(grade.get("limitations")),
                 grade.get("note"), grade.get("estimated_cost"),
                 json.dumps(grade.get("usage")),
@@ -152,7 +163,8 @@ def save_grade(grade, thumbnail=None, label=None):
 def _row_to_grade(row):
     d = dict(row)
     for key in ("categories_json", "edge_measurements_json",
-                "centering_measurement_json", "limitations_json", "usage_json"):
+                "centering_measurement_json", "aspect_measurement_json",
+                "limitations_json", "usage_json"):
         out_key = key[:-len("_json")]
         raw = d.pop(key, None)
         try: