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Use error messages in TaxCalcIO instead of Python "raise Error" #1260

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merged 1 commit into from
Mar 24, 2017
Merged

Use error messages in TaxCalcIO instead of Python "raise Error" #1260

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66 changes: 18 additions & 48 deletions taxcalc/cli/tc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,9 @@
# pep8 --ignore=E402 tc.py
# pylint --disable=locally-disabled tc.py

import os
import sys
import argparse
from taxcalc import TaxCalcIO, Policy
from taxcalc import TaxCalcIO


def main():
Expand Down Expand Up @@ -86,56 +85,27 @@ def main():
default=False,
action="store_true")
args = parser.parse_args()
arg_errors = False
# check INPUT file name
if args.INPUT == '':
sys.stderr.write('ERROR: must specify INPUT file name\n')
arg_errors = True
else:
if not args.INPUT.endswith('.csv'):
sys.stderr.write('ERROR: INPUT file name does not end in .csv\n')
arg_errors = True
elif not os.path.isfile(args.INPUT):
sys.stderr.write('ERROR: INPUT file could not be found\n')
arg_errors = True
# check TAXYEAR value
first_taxyear = Policy.JSON_START_YEAR
last_taxyear = Policy.LAST_BUDGET_YEAR
if args.TAXYEAR < first_taxyear:
sys.stderr.write('ERROR: TAXYEAR < {}\n'.format(first_taxyear))
arg_errors = True
elif args.TAXYEAR > last_taxyear:
sys.stderr.write('ERROR: TAXYEAR > {}\n'.format(last_taxyear))
arg_errors = True
# check REFORM value
if args.reform is not None:
if not args.reform.endswith('.json'):
sys.stderr.write('ERROR: REFORM file name does not end in .json\n')
arg_errors = True
elif not os.path.isfile(args.reform):
sys.stderr.write('ERROR: REFORM file could not be found\n')
arg_errors = True
# check ASSUMP value
if args.assump is not None:
if not args.assump.endswith('.json'):
sys.stderr.write('ERROR: ASSUMP file name does not end in .json\n')
arg_errors = True
elif not os.path.isfile(args.assump):
sys.stderr.write('ERROR: ASSUMP file could not be found\n')
arg_errors = True
# exit if any argument errors
if arg_errors:
sys.stderr.write('USAGE: tc --help\n')
return 1
# instantiate TaxCalcIO object and do tax analysis
aging = args.INPUT.endswith('puf.csv') or args.INPUT.endswith('cps.csv')
tcio = TaxCalcIO(input_data=args.INPUT,
tax_year=args.TAXYEAR,
reform=args.reform,
assump=args.assump,
growdiff_response=None,
aging_input_data=aging,
exact_calculations=args.exact)
assump=args.assump)
if len(tcio.errmsg) > 0:
sys.stderr.write(tcio.errmsg)
sys.stderr.write('USAGE: tc --help\n')
return 1
aging = args.INPUT.endswith('puf.csv') or args.INPUT.endswith('cps.csv')
tcio.init(input_data=args.INPUT,
tax_year=args.TAXYEAR,
reform=args.reform,
assump=args.assump,
growdiff_response=None,
aging_input_data=aging,
exact_calculations=args.exact)
if len(tcio.errmsg) > 0:
sys.stderr.write(tcio.errmsg)
sys.stderr.write('USAGE: tc --help\n')
return 1
tcio.analyze(writing_output_file=True,
output_tables=args.tables,
output_graphs=args.graphs,
Expand Down
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