#!/usr/bin/env python
# -*- coding: utf-8 -*-

""" 

Convert a document to a PDF

Run with a command like
	scribus -g -py export_to_pdf.py -pa -version 13 -pa -bleedr 2 -pa -compress 1 -pa -info 'test title' -pa -file 'test.pdf' -- testdoc.sla

You can set any "pdf" attribute with "-pa -attribute value".

Tested with scribus 1.5.1 r20382

Author: William Bader, Director of Research and Development, SCS, http://www.newspapersystems.com
15Sep15 wb initial version

"""

# check that the script is running from inside scribus

try:
	from scribus import *
    
except ImportError:
	print 'This script only runs from within Scribus.'
	sys.exit(1)

# get the os module

try:
	import os

except ImportError:
	print 'Could not import the os module.'
	sys.exit(1)

def main(argv):
	pdf = scribus.PDFfile()
	pdf.pages=[1]
	pdf.version = 13
	pdf.file = 'newfile.pdf'

	i = 1
	while i < len(argv):
		if (len(argv[i]) > 0) and (argv[i][0] == '-'):
			name = argv[i][1:]
			try:
				pdf_attr = getattr(pdf, name)
				if i < len(argv):
					i = i + 1
					value = argv[i]
				else:
					value = ''
				if callable(pdf_attr):
					print 'Error: "', name, '" is not a settable attribute.'
				else:
					if isinstance(pdf_attr, float):
						try:
							setattr(pdf, name, float(value))
						except:
							print 'Error: Could not set "', name, '", "', value, '" is not a valid real number.'
					elif isinstance(pdf_attr, int):
						# Integers and booleans
						try:
							if value.lower() in [ 'true', 't', 'yes', 'y', 'si', 's' ]:
								setattr(pdf, name, 1)
							elif value.lower() in [ 'false', 'f', 'no', 'n' ]:
								setattr(pdf, name, 0)
							else:
								setattr(pdf, name, int(value))
						except:
							print 'Error: Could not set "', name, '", "', value, '" is not a valid integer.'
					elif isinstance(pdf_attr, basestring):
						# Should this differentiate str and unicode, or will the assignment do the conversion?
						try:
							setattr(pdf, name, value)
						except:
							print 'Error: Could not set "', name, '", "', value, '" is not a valid string.'
					else:
						print 'Error: Could not set "', name, ', type "', type(pdf_attr), '" not supported.'
					print name, ' is ', str(getattr(pdf, name)), '.'
			except:
				print 'Error: Ignoring unrecognized pdf attribute "', name, '".'
		i = i + 1

	pdf.save()

# start the script

if __name__ == '__main__':
	if haveDoc():
		main(sys.argv)
	else:
		print 'Error: You need to have a document open before you can run this script successfully.'