qrcdode_pdf_v3.py

from reportlab.lib.pagesizes import letter,QRCode
from reportlab.lib import colors
from reportlab.platypus import Frame, PageTemplate,Image
from reportlab.lib.units import cm,mm
from reportlab.platypus import (Table, TableStyle, BaseDocTemplate)
from reportlab.platypus.flowables import TopPadder

import gen_qrcode as qrcode

def create_pdf():

    I = Image('qr1.png')
    I.drawHeight = 18*mm*I.drawHeight / I.drawWidth
    I.drawWidth = 18*mm

    qr1=qrcode.genQR('hahahahah')

    # Create a frame
    CatBox_frame = Frame(
        x1=0 * mm,  # From left
        y1=0 * mm,  # From bottom
        height=75 * mm,
        width=110 * mm,
        leftPadding=0 * mm,
        bottomPadding=0 * mm,
        rightPadding=0 * mm,
        topPadding=0 * mm,
        showBoundary=1,
        id='CatBox_frame')

    table_data=[[qr1, qr1, qr1],
                [qr1, qr1, qr1],
                [qr1, qr1, qr1]]

    table_data2=[]
    qrcode_valarr=qrcode.genNum()
    arrindex=0
    for i in range(0,3):
        t1=[]
        for j in range(0,3):
            #qr1=qrcode.genQR(qrcode_valarr[(i+1)*(j+1)-1])
            #qr1=(i+1)*(j+1)-1
            #qr1=arrindex
            #qr1=qrcode_valarr[arrindex]
            qr1=qrcode.genQR(qrcode_valarr[arrindex])
            arrindex=arrindex+1
            t1.append(qr1)
        table_data2.append(t1)

    
    
    #print(table_data2)
    #print(qrcode.genNum())

    # Create a table
    CatBox = Table(table_data2, 36.6* mm, 25 * mm, vAlign='BOTTOM')

    # Style the table
    CatBox.setStyle(TableStyle(
            [('ALIGN',(0,0),(-1,-1),'CENTER'),
             ('VALIGN',(0,0),(-1,-1),'MIDDLE')
            ]))

    # Trying to tell the table to be a bottom align object (when later put in frame)
    CatBox.Align = 'BOTTOM'
    CatBox.vAlign = 'BOTTOM'

    # Building the story
    #story = [CatBox] # adding CatBox table (alternative, story.add(CatBox))
    story = [TopPadder(CatBox)]

    # Establish a document
    doc = BaseDocTemplate("BottomAlignTable.pdf", pagesize=QRCode)

    # Creating a page template 
    frontpage = PageTemplate(id='FrontPage',
                             frames=[CatBox_frame]
                             )
    # Adding the story to the template and template to the document
    doc.addPageTemplates(frontpage)

    # Building doc
    doc.build(story)


# ----------------------------------------------------------------------
if __name__ == "__main__":
    create_pdf() # Printing the pdf