save cfg of trains

run3/utils/train_output_downloader.py

@@ -13,6 +13,7 @@
 import ROOT
 import uproot
 from sklearn.model_selection import train_test_split
+import xml.etree.ElementTree as ET
 # pylint: disable=no-member
 
 def split_dataset(df, config):
@@ -158,6 +159,43 @@ def download_aod(input_list_filename, config):
     merge_aod.OutputFile(analysis_output_filename, "RECREATE")
     merge_aod.Merge()
 
+def download_full_config(input_list_filename, config):
+    """
+    Downloads full_config.json file associated to train run
+    Args:
+        input_list_filename (str): The path to the file containing the list of input file names.
+        config (dict): A dictionary containing configuration parameters.
+    Returns:
+        None
+    """
+
+    # Create folder for output
+    folder = "MC" if config["isMC"] else "Data"
+    output_directory = config["output_directory"] + "/" + folder + f"/Train{config['train_run']}"
+    if not os.path.exists(output_directory):
+        os.makedirs(output_directory)
+
+    os.system(f"alien.py cp {input_list_filename[0]}/Stage_1.xml file:{output_directory}")
+
+    # Load and parse the XML file
+    xml_file = f"{output_directory}/Stage_1.xml"
+    tree = ET.parse(xml_file)
+    root = tree.getroot()
+
+    # Find the specific event with name="1"
+    event = root.find(".//event[@name='1']")  # XPath to find <event> with attribute name="1"
+    if event is not None:
+        file_element = event.find("file")
+        if file_element is not None:
+            lfn = os.path.dirname(file_element.get("lfn"))
+            os.system(f"alien.py cp {lfn}/full_config.json file:{output_directory}")
+            with open(f"{output_directory}/full_config.json", "r") as infile:
+                data = json.load(infile)
+            with open(f"{output_directory}/full_config.json", "w") as outfile:
+                json.dump(data, outfile, indent=4)
+            os.remove(xml_file)
+            print('full_config.json loaded!')
+
 def convert_aod_to_parquet(config): # pylint: disable=too-many-locals
     """
     Converts AOD (Analysis Object Data) file to Parquet format.
@@ -212,7 +250,7 @@ def convert_aod_to_parquet(config): # pylint: disable=too-many-locals
             df_eff.to_parquet(output_filename.replace(".parquet", "_Eff.parquet"))
             del df
 
-def download_files_from_grid(config, aod=False, analysis=False, parquet=False):
+def download_files_from_grid(config, aod=False, analysis=False, parquet=False, full_config=False):
     """
     Downloads files from the grid based on the provided configuration.
 
@@ -221,6 +259,7 @@ def download_files_from_grid(config, aod=False, analysis=False, parquet=False):
         aod (bool, optional): Flag indicating whether to download AOD files.
         analysis (bool, optional): Flag indicating whether to download analysis results.
         parquet (bool, optional): Flag indicating whether to convert AOD files to Parquet format.
+        full_config (bool, optional): Flag indicating whether to download the full_config.json file.
     Note:
         If no flags are provided, all operations are performed.
     """
@@ -229,6 +268,8 @@ def download_files_from_grid(config, aod=False, analysis=False, parquet=False):
         aod = True
         analysis = True
         parquet = True
+    if not full_config:
+        full_config = True
 
     if aod or analysis:
         # Get files from grid
@@ -242,6 +283,8 @@ def download_files_from_grid(config, aod=False, analysis=False, parquet=False):
             download_aod(files_to_download, config)
         if analysis:
             download_analysis_results(files_to_download, config)
+    if full_config:
+        download_full_config(files_to_download, config)
     if parquet:
         convert_aod_to_parquet(config)
 
@@ -256,10 +299,12 @@ def download_files_from_grid(config, aod=False, analysis=False, parquet=False):
         help='Run only the analysis results download and merge')
     parser.add_argument('--parquet', action='store_true', default=False,
         help='Run only the conversion to Parquet')
+    parser.add_argument('--config', action='store_true', default=False,
+        help='Download only the full_config.json')
     args = parser.parse_args()
 
 
     with open(args.config_file, encoding="utf8") as cfg_file:
         cfg = json.load(cfg_file)
 
-    download_files_from_grid(cfg, aod=args.aod, analysis=args.analysis, parquet=args.parquet)
+    download_files_from_grid(cfg, aod=args.aod, analysis=args.analysis, parquet=args.parquet, full_config=args.config)