Use logging instead of print

tomoscan/io.py

@@ -27,7 +27,7 @@ __authors__ = ["W. de Nolf"]
 __license__ = "MIT"
 __date__ = "25/08/2020"
 
-
+import logging
 import h5py
 from tomoscan.utils import SharedLockPool
 import os
@@ -36,7 +36,7 @@ import traceback
 import errno
 
 HASSWMR = h5py.version.hdf5_version_tuple >= h5py.get_config().swmr_min_hdf5_version
-
+_logger = logging.getLogger(__name__)
 
 class HDF5File(h5py.File):
     """File to secure reading and writing within h5py
@@ -147,7 +147,7 @@ def check_virtual_sources_exist(fname, data_path):
     """
     with HDF5File(fname, "r") as f:
         if data_path not in f:
-            print("No dataset %s in file %s" % (data_path, fname))
+            _logger.error("No dataset %s in file %s" % (data_path, fname))
             return False
         dptr = f[data_path]
         if not dptr.is_virtual:
@@ -157,9 +157,9 @@ def check_virtual_sources_exist(fname, data_path):
                 os.path.dirname(dptr.file.filename), vsource.file_name
             )
             if not os.path.isfile(vsource_fname):
-                print("No such file: %s" % vsource_fname)
+                _logger.error("No such file: %s" % vsource_fname)
                 return False
             elif not check_virtual_sources_exist(vsource_fname, vsource.dset_name):
-                print("Error with virtual source %s" % vsource_fname)
+                _logger.error("Error with virtual source %s" % vsource_fname)
                 return False
     return True