Homogeneize Allen configuration

Should go with Allen!1017 (merged)

AllenOnline/python/AllenOnline/utils.py

@@ -10,16 +10,34 @@
 ###############################################################################
 import os, logging, json
 from PyConf import configurable
-from Allen.config import allen_json_sequence
 
 log = logging.getLogger(__name__)
 
 
+@configurable
+def allen_json_sequence(sequence="hlt1_pp_default", json=None):
+    """Provide the name of the Allen sequence and the json configuration file
+
+    Args:
+        sequence (string): name of the Allen sequence to run
+        json: (string): path the JSON file to be used to configure the chosen Allen sequence. If `None`, a default file that corresponds to the sequence will be used.
+    """
+    import sys
+    import importlib
+
+    # Generate json sequence
+    sys.argv += ["--standalone"]
+    importlib.import_module(f"AllenSequences.{sequence}")
+    sys.argv = sys.argv[:-1]
+    generated_json_sequence = os.path.join(os.getcwd(), "Sequence.json")
+    return generated_json_sequence
+
+
 def get_allen_hlt1_decision_ids():
     """Read Allen HLT1 decision IDs using the JSON sequence file.
 
     """
-    _, config_file_path = allen_json_sequence()
+    config_file_path = allen_json_sequence()
     try:
         with open(os.path.expandvars(config_file_path)) as config_file:
             config = json.load(config_file)