added default name for ROI, repaired test suite

pyproject.toml

@@ -7,3 +7,6 @@ build-backend = "setuptools.build_meta"
 # For smarter version schemes and other configuration options,
 # check out https://github.com/pypa/setuptools_scm
 version_scheme = "no-guess-dev"
+
+[tool.pytest.ini_options]
+addopts = "--no-cov"

src/cristallina/utils.py

@@ -1,5 +1,8 @@
 import yaml
 import os
+import logging
+logger = logging.getLogger()
+
 import numpy as np
 from sfdata import SFDataFiles, sfdatafile, SFScanInfo, SFProcFile
 from xraydb import material_mu
@@ -152,11 +155,12 @@ class ROI:
         else:
             raise ValueError("No valid ROI definition.")
         
-        # Check that ROI has a name and assign it
-        if name:
-            self.name = name
-        else:
-            raise ValueError('ROI must have a name. Please provide with name=... as a parameter')
+        # Check that ROI has a name or generate default
+        if name is None:
+            logger.warning(f"No ROI name given, generating: {self.__repr__()}")
+            name = self.__repr__()
+        
+        self.name = name
 
     def from_centers_widths(self, center_x, center_y, width, height):
         self.left = center_x - width // 2