Support evaluation-local configuration and names overrides

copienator/annotation_documents.py

@@ -1,15 +1,20 @@
 """Locate tablet documents, including the parts of a large checked copy."""
 from pathlib import Path
 
-from copienator.configuration import ANNOTATION_MAX_HEIGHT_PX, ANNOTATION_MAX_PIXELS
+from copienator import configuration
 from copienator.json_io import read_json
 
-if type(ANNOTATION_MAX_HEIGHT_PX) is not int or ANNOTATION_MAX_HEIGHT_PX <= 0:
-    raise ValueError("ANNOTATION_MAX_HEIGHT_PX must be a positive integer (pixels)")
-MAX_HEIGHT_PX = ANNOTATION_MAX_HEIGHT_PX
-if type(ANNOTATION_MAX_PIXELS) is not int or ANNOTATION_MAX_PIXELS <= 0:
-    raise ValueError("ANNOTATION_MAX_PIXELS must be a positive integer (pixels)")
-MAX_PIXELS = ANNOTATION_MAX_PIXELS
+
+def annotation_limits() -> tuple[int, int]:
+    values = (configuration.ANNOTATION_MAX_HEIGHT_PX, configuration.ANNOTATION_MAX_PIXELS)
+    for name, value in zip(("ANNOTATION_MAX_HEIGHT_PX", "ANNOTATION_MAX_PIXELS"), values):
+        if type(value) is not int or value <= 0:
+            raise ValueError(f"{name} must be a positive integer (pixels)")
+    return values
+
+
+# Validate global settings at import, as before.
+annotation_limits()
 
 
 def document_fits(width: int, height: int, max_height: int, max_pixels: int) -> bool: