certificados_gen.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

from pyPdf import PdfFileWriter, PdfFileReader
from reportlab.pdfgen import canvas
from StringIO import StringIO
from reportlab.lib.pagesizes import letter
import pandas as pd

FILENAME_CERTIFICADOS = 'certificados.csv'

def get_fill_values(user):
	
	packet = StringIO()
	# create a new PDF with Reportlab
	can = canvas.Canvas(packet, pagesize=letter)
	can.setFont('Helvetica-Bold', 26)
	can.drawString(238, 393, '{0} {1}'.format(user['Nombre'].encode('utf-8'), user['Apellido'].encode('utf-8')))
	can.drawString(100, 363, '{0}'.format(user['Tipo'].encode('utf-8')))
	can.save()
	packet.seek(0)
	text = PdfFileReader(packet)

	return text


def add_text(user):
	""" """
	page = PdfFileReader(file("intento_0.pdf","rb")).getPage(0)
	percentages = get_fill_values(user)
	page.mergePage(percentages.getPage(0))
	
	output = PdfFileWriter()

	output.addPage(page)
	
	output.write(file("out_certif/test{0}{1}.pdf".format(user['Nombre'].encode('utf-8'), user['Apellido'].encode('utf-8')),"w"))


def main():
	
	users_df = pd.read_csv(FILENAME_CERTIFICADOS, sep=';', encoding='iso-8859-1')
	map(lambda user: add_text(users_df.ix[user, :]), range(users_df.shape[0]))

if __name__ == '__main__':
	main()