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Python QRCode generator
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| #!/usr/bin/env python3 | |
| #coding:utf-8 | |
| # forked from http://www.cnblogs.com/babycool/p/4734819.html | |
| ''' | |
| Python QRCode generator | |
| - transform the input string to general QRCode image | |
| - generate QRCode image with logo image | |
| Depend on qrcode, please see https://pypi.python.org/pypi/qrcode | |
| ''' | |
| __author__ = 'Xue' | |
| import qrcode | |
| from PIL import Image | |
| import os | |
| # generate general QRCode image | |
| def make_qr(str,save): | |
| qr=qrcode.QRCode( | |
| version=4, #size of QRCode image 1-40 1:21*21（21+(n-1)*4） | |
| error_correction=qrcode.constants.ERROR_CORRECT_M, #L:7% M:15% Q:25% H:30% | |
| box_size=10, # pixel size of every box | |
| border=2, # border width size | |
| ) | |
| qr.add_data(str) | |
| qr.make(fit=True) | |
| img=qr.make_image() | |
| img.save(save) | |
| # generate QRCode with logo image | |
| def make_logo_qr(str,logo,save): | |
| qr=qrcode.QRCode( | |
| version=4, | |
| error_correction=qrcode.constants.ERROR_CORRECT_Q, | |
| box_size=8, | |
| border=2 | |
| ) | |
| # add string to transform | |
| qr.add_data(str) | |
| qr.make(fit=True) | |
| # generate QRCode | |
| img=qr.make_image() | |
| img=img.convert("RGBA") | |
| # add logo | |
| if logo and os.path.exists(logo): | |
| icon=Image.open(logo) | |
| # get size of QRCode image | |
| img_w,img_h=img.size | |
| factor=4 | |
| size_w=int(img_w/factor) | |
| size_h=int(img_h/factor) | |
| # size of logo <= 1/4 * QRCode image | |
| icon_w,icon_h=icon.size | |
| if icon_w>size_w: | |
| icon_w=size_w | |
| if icon_h>size_h: | |
| icon_h=size_h | |
| icon=icon.resize((icon_w,icon_h),Image.ANTIALIAS) | |
| # see http://pillow.readthedocs.org/handbook/tutorial.html | |
| # compute the position of logo in output image | |
| w=int((img_w-icon_w)/2) | |
| h=int((img_h-icon_h)/2) | |
| icon=icon.convert("RGBA") | |
| # paste logo on the output image | |
| img.paste(icon,(w,h),icon) | |
| # see：http://pillow.readthedocs.org/reference/Image.html#PIL.Image.Image.paste | |
| # save QRCode image | |
| img.save(save) | |
| if __name__=='__main__': | |
| save_path='theqrcode.png' # saved to this file | |
| logo='logo.jpg' # load logo image from local directory | |
| str=input('Please input your string：') | |
| # for python2, you can use `raw_input` to replace `input` | |
| #make_qr(str) | |
| make_logo_qr(str,logo,save_path) |
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