Add imagej.misc.error_exit()

Author: ehrenfeu

src/imcflibs/imagej/misc.py

@@ -1,9 +1,11 @@
 """Miscellaneous ImageJ related functions, mostly convenience wrappers."""
 
+import sys
 from ij import IJ  # pylint: disable-msg=E0401
 
 from ..log import LOG as log
 
+
 def show_status(msg):
     """Wrapper to update the ImageJ status bar and the log simultaneously."""
     log.info(msg)
@@ -15,3 +17,8 @@ def show_progress(cur, final):
     # ij.IJ.showProgress is adding 1 to the value given as first parameter...
     log.info("Progress: %s / %s (%s)", cur+1, final, (1.0+cur)/final)
     IJ.showProgress(cur, final)
+
+def error_exit(msg):
+    """Convenience wrapper to log an error and exit then."""
+    log.error(msg)
+    sys.exit(msg)