Attachment 129832 Details for Bug 104804 – Python file that lists named destinations....

Python file that lists named destinations....

ListNamedDestinations.py (text/plain), 5.00 KB, created by crun on 2016-12-21 03:41:56 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: crun

Created: 2016-12-21 03:41:56 UTC

Size: 5.00 KB

patch

obsolete

>#!/usr/bin/env python                                                                                                      
># Sorts and Lists all Named-Destinations in a files  
>#usage: python ListNamedDestinations.py SomePDFFile.pdf                                                                      
>import sys                                                                                                                 
>from pyPdf import PdfFileReader 
> 
>def FlattenList (ListIn, ListOut=None ) : #flattens a nested list
>    if ListOut is None : 
>        ListOut = dict()
>    if type(ListIn) == list :
>        print "ListIn", type(ListIn)
>        for x in ListIn :
>            print "x", type(x)
>            ListOut=FlattenList(x,ListOut)
>    else :
>        print type(ListIn)
>        ListOut.update(ListIn)
>        #for name in ListIn :
>        #    ListOut[name]=ListIn[name]
>    return ListOut
>                                                                                           
>def pdf_get_anchors(fh):                                                                                                   
>    reader = PdfFileReader(fh)                                                                                             
>    destinations = reader.getNamedDestinations()                #completely unsorted order, does not include pagenums
>#    destinations = reader.getOutlines()                #completely unsorted order, does not include pagenums
>#    print type(destinations)                                                                                          
>#    destinations = FlattenList(destinations)      
>    L=list()                                                                                                              
>    for PageNum in range(1,reader.numPages+1) :                                                                            
>        ThisPage = reader.getPage(PageNum-1)                                                                               
>        PageTop = ThisPage['/MediaBox'][3]                                                                                 
>        for name in destinations:
>            ThisDest = destinations[name]
>            print name, ThisDest                                                                                 
>            ThisDestPage = ThisDest.page.getObject()                                                                       
>            if ThisDestPage == ThisPage:                        #have to do this to identify the pagenum                   
>                DownPage = (PageTop - ThisDest.top) / PageTop   # calc fraction of page down                               
>                Position = PageNum + DownPage                   # a sortable number down the whole pdf                     
>                L.append((name, PageNum, Position));            # put everything in a sortable list                        
>    return L, len (destinations), reader.getNumPages()                                                                     
>
>def pdf_print_anchors ( L ) :                                                                                              
>    for dest in L :                                                                                                        
>        name=dest[0]                                                                                                       
>        PageNum=dest[1]                                                                                                    
>        Position= round(dest[2]*100)/100                                                                                   
>        print "%-8.2f % %s" % Position % name #ThisDest.title                                                              
>
>HeaderLine="\n Page   Name\n"                                                                                              
>L, NumDests, NumPages =pdf_get_anchors(open(sys.argv[1],'rb'))                                                             
>
>print HeaderLine                                                                                                           
>L.sort(key=lambda dest: dest[0])                        #sort name order                                                   
>pdf_print_anchors(L);                                                                                                      
>print HeaderLine                                                                                                           
>L.sort(key=lambda dest: dest[2])                        #sort in order down the pdf                                        
>pdf_print_anchors(L);                                                                                                      
>print HeaderLine                                                                                                           
>print "Number of NamedDestinations: ", NumDests, "NumPages: ", NumPages                                                    
>

Actions: View

Attachments on bug 104804: 129831 | 129832 | 130055 | 130249 | 137940 | 137941