Added minor logging facility for exceptions

hed/tools/remodeling/cli/run_remodel.py

@@ -3,12 +3,14 @@
 import os
 import json
 import argparse
+import logging
 from hed.errors.exceptions import HedFileError
-from hed.tools.util.io_util import get_file_list, get_task_dict
+
 from hed.tools.bids.bids_dataset import BidsDataset
 from hed.tools.remodeling.remodeler_validator import RemodelerValidator
 from hed.tools.remodeling.dispatcher import Dispatcher
 from hed.tools.remodeling.backup_manager import BackupManager
+from hed.tools.util.io_util import get_alphanumeric_path, get_file_list, get_task_dict, get_timestamp
 
 
 def get_parser():
@@ -36,6 +38,8 @@ def get_parser():
                         help="Controls individual file summaries ('none', 'separate', 'consolidated')")
     parser.add_argument("-j", "--json-sidecar", dest="json_sidecar", nargs="?",
                         help="Optional path to JSON sidecar with HED information")
+    parser.add_argument("-ld", "--log_dir", dest="log_dir", default="",
+                        help="Directory for storing log entries for errors.")
 #    parser.add_argument("-n", "--backup-name", default=BackupManager.DEFAULT_BACKUP_NAME, dest="backup_name",
 #                        help="Name of the default backup for remodeling")
     parser.add_argument("-nb", "--no-backup", action='store_true', dest="no_backup",
@@ -202,25 +206,36 @@ def main(arg_list=None):
 
     """
     args, operations = parse_arguments(arg_list)
-    if not os.path.isdir(args.data_dir):
-        raise HedFileError("DataDirectoryDoesNotExist", f"The root data directory {args.data_dir} does not exist", "")
-    backup_name = handle_backup(args)
-    save_dir = None
-    if args.work_dir:
-        save_dir = os.path.realpath(os.path.join(args.work_dir, Dispatcher.REMODELING_SUMMARY_PATH))
-    files = get_file_list(args.data_dir, name_suffix=args.file_suffix, extensions=args.extensions,
-                          exclude_dirs=args.exclude_dirs)
-    task_dict = parse_tasks(files, args.task_names)
-    for task, files in task_dict.items():
-        dispatch = Dispatcher(operations, data_root=args.data_dir, backup_name=backup_name,
-                              hed_versions=args.hed_versions)
-        if args.use_bids:
-            run_bids_ops(dispatch, args, files)
-        else:
-            run_direct_ops(dispatch, args, files)
-        if not args.no_summaries:
-            dispatch.save_summaries(args.save_formats, individual_summaries=args.individual_summaries, 
-                                    summary_dir=save_dir, task_name=task)
+
+    if args.log_dir:
+        os.makedirs(args.log_dir, exist_ok=True)
+        timestamp = get_timestamp()
+    try:
+        if not os.path.isdir(args.data_dir):
+            raise HedFileError("DataDirectoryDoesNotExist", f"The root data directory {args.data_dir} does not exist", "")
+        backup_name = handle_backup(args)
+        save_dir = None
+        if args.work_dir:
+            save_dir = os.path.realpath(os.path.join(args.work_dir, Dispatcher.REMODELING_SUMMARY_PATH))
+        files = get_file_list(args.data_dir, name_suffix=args.file_suffix, extensions=args.extensions,
+                              exclude_dirs=args.exclude_dirs)
+        task_dict = parse_tasks(files, args.task_names)
+        for task, files in task_dict.items():
+            dispatch = Dispatcher(operations, data_root=args.data_dir, backup_name=backup_name,
+                                  hed_versions=args.hed_versions)
+            if args.use_bids:
+                run_bids_ops(dispatch, args, files)
+            else:
+                run_direct_ops(dispatch, args, files)
+            if not args.no_summaries:
+                dispatch.save_summaries(args.save_formats, individual_summaries=args.individual_summaries,
+                                        summary_dir=save_dir, task_name=task)
+    except Exception as ex:
+        if args.log_dir:
+            log_name = get_alphanumeric_path(os.path.realpath(args.data_dir)) + '_' + timestamp + '.txt'
+            logging.basicConfig(filename=os.path.join(args.log_dir, log_name), level=logging.ERROR)
+            logging.exception(f"{args.data_dir}: {args.model_path}")
+        raise
 
 
 if __name__ == '__main__':

hed/tools/util/io_util.py

@@ -71,6 +71,20 @@ def get_allowed(value, allowed_values=None, starts_with=True):
     return result
 
 
+def get_alphanumeric_path(pathname, replace_char='_'):
+    """ Replace sequences of non-alphanumeric characters in string (usually a path) with specified character.
+
+        Parameters:
+            pathname (str): A string usually representing a pathname, but could be any string.
+            replace_char (str): Replacement character(s).
+
+        Returns:
+            str: New string with characters replaced.
+
+    """
+    return re.sub(r'[^a-zA-Z0-9]+', replace_char, pathname)
+
+
 def extract_suffix_path(path, prefix_path):
     """ Return the suffix of path after prefix path has been removed.
 

tests/tools/util/test_io_util.py

@@ -2,8 +2,9 @@
 import unittest
 from hed.errors.exceptions import HedFileError
 from hed.tools.util.io_util import check_filename, extract_suffix_path, clean_filename, \
-    get_dir_dictionary, get_file_list, get_path_components, get_task_from_file, parse_bids_filename, \
-    _split_entity, get_allowed, get_filtered_by_element
+    get_alphanumeric_path, get_dir_dictionary, get_file_list, get_path_components, get_task_from_file, \
+    parse_bids_filename, _split_entity, get_allowed, get_filtered_by_element
+
 
 
 class Test(unittest.TestCase):
@@ -92,7 +93,14 @@ def test_get_allowed(self):
         self.assertEqual(value1, "events", "get_allowed is case insensitive")
         value2 = get_allowed(test_value1, [])
         self.assertEqual(value2, test_value1)
-
+
+    def test_get_alphanumeric_path(self):
+        mypath1 = 'g:\\String1%_-sTring2\n//string3\\\\\string4.pnG'
+        repath1 = get_alphanumeric_path(mypath1)
+        self.assertEqual('g_String1_sTring2_string3_string4_pnG', repath1)
+        repath2 = get_alphanumeric_path(mypath1, '$')
+        self.assertEqual('g$String1$sTring2$string3$string4$pnG', repath2)
+
     def test_get_dir_dictionary(self):
         dir_dict = get_dir_dictionary(self.bids_dir, name_suffix="_events")
         self.assertTrue(isinstance(dir_dict, dict), "get_dir_dictionary returns a dictionary")