Reduce the size of Scribus generated PDFs: Difference between revisions

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'''
'''
This program is Linux only as I don't have Windows to develop it there.
This program is Linux only.
Doesn't seem to work in 1.3.5, don't know why yet
Requires pdftops and ps2pdf14
Requires pdftops and ps2pdf14
'''
'''
fd = open('/tmp/testing123', 'a')
 
#      fd.write('len(filename) = ' + str(len(filename)) + '\n')
#      fd.write('filename = ' + filename + '\n')
#      fd.close()
failure = "failure"
failure = "failure"
filesTo_find = ['pdftops','ps2pdf14']
filesTo_find = ['pdftops','ps2pdf14']

Revision as of 08:27, 3 May 2009

This article is part of the Scripts series.

A linux only program.
Note: Not all PDFs can be reduced, sometimes they are even larger!
Script creates a back up of the original (filename.pdf.orig) as well as the new file (filename.new.pdf and you require pdftops and ps2pdf14


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

import sys
import os
import shutil		#

'''
This program is Linux only.
Requires pdftops and ps2pdf14
'''

failure = "failure"
filesTo_find = ['pdftops','ps2pdf14']
errorMessage_1 = 'This program requires both pdftops and ps2pdf14.\nOne or both is missing. Please install to allow this program to function'
errorMessage_2 = 'This program does not yet operate on windows.\nFeel free to modify it run on a win32 system'
errorMessage_3 = 'This program does not yet operate on OS2.\nFeel free to modify it run on an OS2 system'
errorMessage_4 = 'You do not have permission to write in this directory.\nCopy the pdf to a writable directory and try again.'
found = 0

try:
    import scribus
except ImportError,err:
    print "This Python script is written for the Scribus scripting interface."
    print "It can only be run from within Scribus."
    sys.exit(1)

if sys.platform != 'win32':
     pass
else:
     result = scribus.messageBox('Sorry - Linux Only program',  errorMessage_2,)
     sys.exit()

if sys.platform != 'os2':
     pass
else:
     result = scribus.messageBox('Sorry - Linux Only program',  errorMessage_3,)
     sys.exit()

path = os.environ['PATH']
paths = path.split(os.pathsep)
for ftf in filesTo_find:
    for p in paths:
        f = p + '/' + ftf
        if os.path.isfile(f):
            found = found + 1    #need to start search for next file when first file found
            break

if found == 2:
    pass

else:
    result = scribus.messageBox('Missing Programs',  errorMessage_1,)
    sys.exit()

homedir = os.path.expanduser("~")
os.chdir(homedir)

filename=scribus.fileDialog("Reduce PDF",  "PDF files(*.PDF *.pdf)")

if os.path.isfile(filename):
  orig_size = os.path.getsize(filename)

  cmd = 'pdftops' + ' ' + filename
  os.system(cmd)

if os.path.exists(filename[:-3] + 'ps'):

  cmd2 = 'ps2pdf14' + ' ' + filename[:-3] + 'ps' + ' ' + filename[:-3] + 'new' + '.pdf'
  os.system(cmd2)
  new_size = os.path.getsize(filename[:-3] + 'new' + '.pdf')

else:
     result = scribus.messageBox('Big Boo Boo',  'Something real bad has gone wrong! Sorry',)
     sys.exit(1)


pdf_file = os.path.basename(filename)
result = scribus.messageBox(pdf_file,"Original size was" + ' ' + str(orig_size) + ' ' + "bytes" + '\n' + "New size is" + ' ' + str(new_size) + ' ' + "bytes"'\n'  )