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svg_and_media_zip_output.py

#!/usr/bin/env python 
"""
svg_and_media_zip_output.py
An extention which collects all images to the documents directory and 
creates a zip archive containing all images and the document

Copyright (C) 2005 Pim Snel, pim@lingewoud.com
Copyright (C) 2008 Aaron Spike, aaron@ekips.org
this is  the first Python script  ever created
its based on embedimage.py

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Version 0.3

TODO
- fix bug: not saving existing .zip after a Collect for Output is run
     this bug occurs because after running an effect extention the inkscape:output_extension is reset to svg.inkscape
     the file name is still xxx.zip. after saving again the file xxx.zip is written with a plain .svg which 
     looks like a corrupt zip
- maybe add better extention
"""

import inkex, os.path
import os
import string
import zipfile
import shutil
import sys
import tempfile

class MyEffect(inkex.Effect):
    def __init__(self):
        inkex.Effect.__init__(self)

    def output(self):
        pass

    def effect(self):
        ttmp_orig = self.document.getroot()
        
        docbase = ttmp_orig.get(inkex.addNS('docbase',u'sodipodi'),'')
        docname = ttmp_orig.get(inkex.addNS('docname',u'sodipodi'))

        orig_tmpfile = sys.argv[1]

        #create os temp dir
        tmp_dir = tempfile.mkdtemp()
        
        # create destination zip in same directory as the document
        z = zipfile.ZipFile(tmp_dir + os.path.sep + docname + '.zip', 'w')    

        #fixme replace whatever extention
        docstripped = docname.replace('.zip', '')
    
        #read tmpdoc and copy all images to temp dir
        for node in self.document.xpath('//svg:image', namespaces=inkex.NSS):
            self.collectAndZipImages(node, tmp_dir, docname, z)

        ##copy tmpdoc to tempdir
        dst_file = os.path.join(tmp_dir, docstripped)
        stream = open(dst_file,'w')
    
        self.document.write(stream)
        
        stream.close()
        
        z.write(dst_file.encode("latin-1"),docstripped.encode("latin-1")+'.svg') 
        z.close()

        out = open(tmp_dir + os.path.sep + docname + '.zip','r')
        sys.stdout.write(out.read())
        out.close() 
        
        shutil.rmtree(tmp_dir)

    def collectAndZipImages(self, node, tmp_dir, docname, z):
        xlink = node.get(inkex.addNS('href',u'xlink'))
        if (xlink[:4]!='data'):
            absref=node.get(inkex.addNS('absref',u'sodipodi'))
            if (os.path.isfile(absref)):
                shutil.copy(absref,tmp_dir)
                z.write(absref.encode("latin-1"),os.path.basename(absref).encode("latin-1"))
            elif (os.path.isfile(tmp_dir + os.path.sep + absref)):
                #TODO: please explain why this clause is necessary
                shutil.copy(tmp_dir + os.path.sep + absref,tmp_dir)
                z.write(tmp_dir + os.path.sep + absref.encode("latin-1"),os.path.basename(absref).encode("latin-1"))
            else:
                inkex.debug('Could not locate file: %s' % absref)

            node.set(inkex.addNS('href',u'xlink'),os.path.basename(absref))
            node.set(inkex.addNS('absref',u'sodipodi'),os.path.basename(absref))

            
e = MyEffect()
e.affect()

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