stop rerun of test if TAXSIM32 files exist

taxcalc/validation/taxsim32/README.md

@@ -43,6 +43,9 @@ the document that generates data for input into TAXSIM-32, see the TAXSIM-32 web
 Instructions
 ------------------
 1. Navigate to `taxcalc/validation/taxsim32` and run the Python script `tests_32.py`.
+2. If you would like to generate new input files and and get new files from TAXSIM-32,
+just delete all of the `.in.out-taxsim` files. On Mac/Linux, this can be done with
+`rm -f *.in.out-taxsim`.
 
 
 Troubleshooting

taxcalc/validation/taxsim32/tests_32.py

@@ -1,14 +1,21 @@
 import os
+import glob
 import input_setup
 import main_comparison
 
+CUR_PATH = os.path.abspath(os.path.dirname(__file__))
+
 # setup input files
-input_setup.main()
+if not glob.glob(os.path.join(CUR_PATH, '*in.out-taxsim')):
+    input_setup.main()
 
 # run taxcalc/taxsim comparison
 for assump_set in ('a', 'b', 'c'):
     for year in (18, 19):
         main_comparison.main(assump_set, year)
 
-# clean up auxillary files
-os.system('rm -f *.in* *.out*')
+# clean up all files except those retrieved from TAXSIM32
+for file in CUR_PATH:
+    for file in glob.glob('*.out*') and glob.glob('*.in*'):
+        if not file.endswith('taxsim'):
+            os.remove(file)