Explicitly close xr.Dataset in VarHandler.cmorize() (#244)

- This is to avoid any possibility of resource locking with `.nc` files

e3sm_to_cmip/cmor_handlers/handler.py

@@ -261,6 +261,8 @@ def cmorize(
  else:
  self._cmor_write_with_time(ds, cmor_var_id, time_dim, cmor_ips_id)
 
+ ds.close()
+
  # NOTE: It is important to close the CMOR module AFTER CMORizing all of
  # the variables. Otherwise, the IDs of cmor objects gets wiped after
  # every loop.

scripts/debug/549_zppy_debug/549_zppy_ts.py

@@ -0,0 +1,35 @@
+from e3sm_to_cmip.__main__ import E3SMtoCMIP
+
+# e3sm_to_cmip --output-path ~/test -v 'lai' --realm lnd --input-path /lcrc/group/e3sm/ac.zhang40/zppy_test_complete_run_output/test-main2-20240216/v2.LR.historical_0201_try7/post/lnd/180x360_aave/ts/monthly/2yr --user-metadata ~/zppy/zppy/templates/e3sm_to_cmip/default_metadata.json --tables-path /lcrc/group/e3sm/diagnostics/cmip6-cmor-tables/Tables --num-proc 12
+
+# This version of CMOR_TABLES_DIR is outdated and fails with `default_metadata.json`
+# CMOR_TABLES_DIR = "/lcrc/group/e3sm/diagnostics/cmip6-cmor-tables/Tables"
+CMOR_TABLES_DIR = "/home/ac.tvo/E3SM-Project/cmip6-cmor-tables/Tables"
+INPUT_DIR = "/lcrc/group/e3sm/ac.zhang40/zppy_test_complete_run_output/test-main2-20240216/v2.LR.historical_0201_try7/post/lnd/180x360_aave/ts/monthly/2yr"
+OUTPUT_PATH = "/home/ac.tvo/E3SM-Project/e3sm_to_cmip/scripts/debug/549_zppy_ts"
+
+# e3sm_to_cmip version
+METADATA_PATH = "/home/ac.tvo/E3SM-Project/e3sm_to_cmip/e3sm_to_cmip/resources/default_metadata.json"
+
+
+args = [
+ "--output-path",
+ OUTPUT_PATH,
+ "--var-list",
+ "lai",
+ "--realm",
+ "lnd",
+ "--input-path",
+ INPUT_DIR,
+ "--user-metadata",
+ METADATA_PATH,
+ "--num-proc",
+ "12",
+ "--tables-path",
+ CMOR_TABLES_DIR,
+ # "--serial",
+]
+
+run = E3SMtoCMIP(args)
+
+run.run()