from reportlab.pdfgen import canvas 
from reportlab.lib.pagesizes import letter 
from reportlab.lib.units import mm 
from reportlab.lib.units import inch 
#I'll be generating code39 barcodes, others are available 
from reportlab.graphics.barcode import code39 
import sys, qrcode
def make_qr(text):
	e = qrcode.Encoder()
	image = e.encode(text, mode=e.mode.ALNUM, eclevel=e.eclevel.L,width = 200)
	image.save('out.png')
	return 'out.png'

def make_label(canvas,shift,content):
	marg = 0.2
	sh = shift * inch * 5.5
	c.setFont("Helvetica", 14)
	#border
	c.rect(0,sh,(8 - 2.5 * marg)*inch,(5.5 - 2.5 * marg)*inch, fill=0)
	#ide de la caja
	barcode=code39.Extended39(content['BoxID'] ,barWidth=0.5*mm,barHeight=20*mm) 
	barcode.drawOn(canvas,100*mm,sh + 100*mm) 

	c.drawString(105 * mm ,sh + 90 * mm,'Content:' + content['Content'])
	c.drawString(105 * mm ,sh + 85 * mm,'ID:' + content['BoxID'])
	#qr
	image  = make_qr("{'email':'" + content['email'] +"'," + 
					  "'boxid':'"+content['BoxID'] + "','" + 
					  "'contents':'" + content['Content'] + "'" + 
					"'}")
	c.drawImage(image, 10, sh + 10, width=None,height=None,mask=None)
	
	# origen
	c.drawString(10 * mm ,sh + 120 * mm,content['Name'])
	c.drawString(10 * mm ,sh + 115 * mm,content['FromStreet'])
	c.drawString(10 * mm ,sh + 110 * mm,content['FromCity'])
	c.drawString(10 * mm ,sh + 105 * mm,content['FromCountry'])
	#destino
	c.setFont("Helvetica", 18)
	c.drawString(75 * mm ,sh + (121 - 50) * mm,content['Name'])
	c.drawString(75 * mm ,sh + (114 - 50) * mm,content['ToStreet'])
	c.drawString(75 * mm ,sh + (108 - 50) * mm,content['ToCity'])
	c.drawString(75 * mm ,sh + (102 - 50) * mm,content['ToCountry'])
	

print 'Encoding'
c=canvas.Canvas("example.pdf",pagesize=letter) 
c.translate(0.4 * inch,0.30 * inch)
d = {'Name':'Pinky y Cerebro',
	'FromStreet':'1 Abedules',
	'FromCity':'Santiago',
	'FromCountry':'CL',
	'ToStreet':'10 Central',
	'ToCountry':'Spain',
	'ToCity':'Alicante',
	'email':'pinky@gmail.com',
}
d['Content']='Libros y documentos'
d['BoxID'] = '0005'
make_label(c,0,d)
d['Content']='Mixed Prototyping Electronics'
d['BoxID'] = '0006'
make_label(c,1,d)
c.showPage() 
c.save()