enable output of run metadata file (run date, run time, and software version).

config/config_NGP.yaml

@@ -12,7 +12,7 @@
 # work_dir: "/public/home/fangyuedong/sim_code_release/CSST/test/"
 work_dir: "/public/home/fangyuedong/test/CSST/workplace/"
 data_dir: "/data/simudata/CSSOSDataProductsSims/data/"
-run_name: "TEST_LIMITING_MAG"
+run_name: "TEST_Speed"
 
 # (Optional) a file of point list 
 # if you just want to run default pointing:
@@ -79,7 +79,7 @@ obs_setting:
   # - give a list of indexes of chips: [ip_1, ip_2...]
   # - run all chips: null
   # Note: for all pointings
-  run_chips: [24, 19, 14, 9]
+  run_chips: [24]
 
   # Whether to enable astrometric modeling
   # astrometric_lib: "libshao.so"

config/config_NGP_dev.yaml

@@ -2,7 +2,7 @@
 ###############################################
 #
 #  Configuration file for CSST simulation
-#  CSST-Sim Group, 2021/10/07, version 0.3
+#  CSST-Sim Group, 2021/10/07
 #
 ###############################################
 

run_sim.py

 from ObservationSim.ObservationSim import Observation
 from ObservationSim._util import parse_args, make_run_dirs, generate_pointing_list
+from pkg_resources import get_distribution
 import os
 import yaml
 import shutil
+import datetime
 
 import gc
 gc.enable()
@@ -20,6 +22,12 @@ def run_sim(Catalog):
     ----------
         None
     """
+    # Get version of CSSTSim Package
+    __version__ = get_distribution("CSSTSim").version
+
+    # Get run datetime
+    now = datetime.datetime.now()
+
     args = parse_args()
     if args.config_dir is None:
         args.config_dir = ''
@@ -55,7 +63,19 @@ def run_sim(Catalog):
 
     # Make the main output directories
     run_dir = make_run_dirs(work_dir=config['work_dir'], run_name=config['run_name'], pointing_list=pointing_list)
+    
+    # Copy the config file to output directory & Write Run metadata
     shutil.copy(args.config_file, run_dir)
+    run_meta = os.path.join(run_dir, "run_metadata.yaml")
+    with open(run_meta, "w") as config_out:
+        config_out.write("\n")
+        config_out.write("###############################################\n")
+        config_out.write("CSSTSim_version: \"%s\"\n"%__version__)
+        date_str = datetime.datetime.strftime(now, '%m/%d/%Y')
+        time_str = datetime.datetime.strftime(now, '%H:%M:%S')
+        config_out.write("Run_date: \"%s\"\n"%date_str)
+        config_out.write("Run_time: \"%s\"\n"%time_str)
+        config_out.write("###############################################\n")
 
     # Initialize the simulation
     obs = Observation(config=config, Catalog=Catalog, work_dir=config['work_dir'], data_dir=config['data_dir'])