field-name-to-label

#!/usr/bin/env python
"""Get descriptive label associated with a field name
"""

# pylint: disable=C0103

import sys

# pylint: disable=W0611
import ProcFieldConstants
# pylint: enable=W0611

# ---

NO_SUCH_FIELD = "N/A"
FIELD_REF_TEMPLATE = "ProcFieldConstants.{name}"

# ---

if len(sys.argv) > 1:

    for FIELD_NAME in sys.argv[1:]:
        try:
            __ref = FIELD_REF_TEMPLATE.format(name=FIELD_NAME)
            FIELD_VAL = eval(__ref)

        except AttributeError:
            FIELD_VAL = NO_SUCH_FIELD

        except SyntaxError:
            FIELD_VAL = NO_SUCH_FIELD

        print "{name} = '{val}'".format(name=FIELD_NAME, val=FIELD_VAL)

else:
    print "At least one field name must be given on the command line."