gistfile1.txt

from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import A4

class PDFHandler(webapp.RequestHandler):
  def get(self):
    self.response.headers['Content-Type'] = 'application/pdf'
    self.response.headers['Content-Disposition'] = 'attachment; filename=my.pdf'
    c = canvas.Canvas(self.response.out, pagesize=A4)

    c.drawString(100, 100, "Hello world")
    c.showPage()
    c.save()