from tableaudocumentapi import Datasource

datasources = [Datasource.from_file('world.tds'), Datasource.from_file('nested.tds')]

for sourceTDS in datasources:

############################################################

# Step 3) Print out all of the fields and what type they are

############################################################

print('----------------------------------------------------------')

print('-- Info for our .tds:')

print('-- name:\t{0}'.format(sourceTDS.name))

print('-- version:\t{0}'.format(sourceTDS.version))

print('----------------------------------------------------------')

print('--- {} total fields in this datasource'.format(len(sourceTDS.fields)))

print('----------------------------------------------------------')

for count, field in enumerate(sourceTDS.fields.values()):

blank_line = False

if field.calculation:

print('{:>4}: field named `{}` is a `{}`'.format(count+1, field.name, field.datatype))

print(' field id, caption, calculation: `{}`, `{}`, `{}`'.format(field.id, field.caption,

field.calculation))

blank_line = True

if field.default_aggregation:

print('{:>4}: `{}` is a `{}`, default aggregation is `{}`'.format(count+1, field.name, field.datatype,

field.default_aggregation))

if field.description:

print('{:>4}: `{}` is a `{}`, description is `{}`'.format(count+1, field.name, field.datatype,

field.description))

if blank_line:

print('')

print('----------------------------------------------------------')