#!/usr/bin/python
import sys
# you might need this in your .bashrc
# export GI_TYPELIB_PATH=$VIPSHOME/lib/girepository-1.0
from gi.repository import Vips
print 'long way around:'
a = Vips.Image()
a.props.filename = sys.argv[1]
a.props.mode = 'r'
if a.build() != 0:
print Vips.error_buffer()
sys.exit(-1)
print 'a.get_width() =', a.get_width()
print 'a.props.width =', a.props.width
print 'via foreign load system:'
loader = Vips.Foreign.find_load(sys.argv[1])
if loader == None:
print Vips.error_buffer()
sys.exit(-1)
op = Vips.Operation.new(loader)
for prop in op.props:
print 'prop.name =', prop.name
flags = op.get_argument_flags(prop.name)
