1 files changed, 53 insertions, 0 deletions
diff --git a/make_overdensity_config.py b/make_overdensity_config.py
new file mode 100755
index 0000000..7ff0a2f
--- /dev/null
+++ b/make_overdensity_config.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+#
+# Make the configuration file for `calc_overdensity.py`
+#
+# Aaron LI
+# Created: 2016-07-13
+# Updated: 2016-07-13
+#
+
+import glob
+import argparse
+
+from info import get_redshift
+
+
+sample_config = """
+## Configuration file for `calc_overdensity.py`
+
+# redshift of the source (critical density)
+redshift = %(redshift).6f
+"""
+
+
+def make_config(info):
+    cfg_data = {
+        "redshift": get_redshift(info),
+    }
+    cfg = sample_config % cfg_data
+    return cfg
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Make the config for 'calc_overdensity.py'")
+    parser.add_argument("-j", "--json", dest="json", required=False,
+                        help="the *_INFO.json file " +
+                             "(default: find ../*_INFO.json)")
+    parser.add_argument("outfile", nargs="?", default="overdensity.conf",
+                        help="filename of the output overdensity config " +
+                             "(default: overdensity.conf)")
+    args = parser.parse_args()
+
+    # default "*_INFO.json"
+    info_json = glob.glob("../*_INFO.json")[0]
+    if args.json:
+        info_json = args.json
+
+    config = make_config(info_json)
+    open(args.outfile, "w").write(config)
+
+
+if __name__ == "__main__":
+    main()