make-dilbert-pdf.py

import re
from reportlab.platypus import Image, SimpleDocTemplate, Spacer,Flowable
from reportlab.lib.units import inch
import dircache
import Image as PILImage
import os.path
months = ["January", "Feburary", "March","April","May","June","July","August","September","October","November","December"]

class Bookmark(Flowable):
    def __init__(self,title,key,level):
	self.title=title
	self.key=key
	self.level=level
	Flowable.__init__(self)

    def wrap(self, availWidth, availHeight):
	return (0,0)

    def draw(self):
	self.canv.showOutline()
	self.canv.bookmarkPage(self.key)
	self.canv.addOutlineEntry(self.title,self.key,self.level, 0)
base_dir='c:\\work\\toons\\dilbert\\'
files=filter(lambda x: x.endswith('gif'),dircache.listdir(base_dir))
doc=SimpleDocTemplate('dilbert.pdf')
oldyear=0
oldmonth=0
contents=[]
contents.append(Bookmark("Contents","Contents",0))
for f in files:
    m=re.match(r'(\d\d\d\d)\-(\d\d)\-(\d\d)\.gif',f)
    if(m==None):
	continue
    m=m.groups()
    if(oldyear!=int(m[0]) or oldmonth!=int(m[1])):
	contents.append( Bookmark("" + months[int(m[1])-1] + " " +  str(int(m[0])),"" + months[int(m[1])-1] + " " +  str(int(m[0])),1))
	oldyear=int(m[0])
	oldmonth=int(m[1])
    #print os.path.join(base_dir,f)
    fname=os.path.join(base_dir,f)
    size=PILImage.open(fname).size
    #print size
    contents.append(Spacer(1,inch))
    contents.append(Image(fname,doc.width,size[1]*(doc.width/size[0])))

print 'building...'
doc.build(contents)