qr_code.py
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import os
import sys
import qrcode
# from PIL import Image
from PIL import Image, ImageDraw, ImageFont, ImageFilter
import numpy
from app import app
from flask import jsonify,render_template,request,send_from_directory
import matplotlib.font_manager as fm
import logging
code_path = '/prog/smartshelf/app/static/uploads'
def make_qrcode(file_code):
# for line in all_data:
# A_NUMBER = line[0]
# c_start = int(line[1])
# c_stop = int(line[2])
# dirs_str = deal_line_code(project_number,A_NUMBER,c_start,c_stop)
# resize(project_number,dirs_str)
# current_path_file=os.path.join(code_path,t_file)
qr = qrcode.QRCode(version=1, error_correction=qrcode.constants.ERROR_CORRECT_L, box_size=10, border=0)
qr.add_data(file_code)
qr.make(fit=True)
img = qr.make_image()
file = "{}/{}.png".format(code_path,file_code)
img.save(file)
# img1.save("./{}_qr_jpg/{}/{}.jpg".format(project_number,dirs_str,filename[:-4]))
return True
def resize(file_code):
# path = './{}_qr_png/{}'.format(project_number,dirs_str)
# path_list = os.listdir(path)
img1 = Image.open("{}/{}.png".format(code_path,file_code))
# img1 = Image.open("E:/qr_png/code/0/{}.png".format(filename))
img1 = img1.resize((300, 300),Image.ANTIALIAS)
# print (filename[:-4])
img1.save("{}/{}.jpg".format(code_path,file_code))
def deal_number(file_code):
print (file_code)
color = "White"
img_str = Image.new("RGB",(480,90),color)
img_str.save("{}/temp_number.jpg".format(code_path))
im = Image.open("{}/temp_number.jpg".format(code_path))
# font = ImageFont.truetype('simsun.ttc',55)
# font = ImageFont.truetype(fm.findfont(fm.FontProperties(family='DejaVu Sans')),63)
if os.path.isfile("/usr/share/fonts/truetype/dejavu/simsun.ttf"):
font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/simsun.ttf",75)
draw = ImageDraw.Draw(im)
draw.text((50,20), file_code, font=font, fill='#000')
else:
font = ImageFont.truetype(fm.findfont(fm.FontProperties(family='DejaVu Sans')),75)
draw = ImageDraw.Draw(im)
draw.text((30,20), file_code, font=font, fill='#000')
# draw.text((60,13), filename, font=font, fill='#000') #602项目改动
im.save("{}/temp_number.jpg".format(code_path))
def paste(file_code):
color = 'white'
target = Image.new("RGB",(300,390),color)
# qr = Image.open("E:/qr_png/jpg_code/B/{}".format(filename))
# qr = Image.open("E:/code_tool/{}/{}/{}.jpg".format(source_path,path_str,filename))
qr = Image.open('{}/{}.jpg'.format(code_path,file_code))
im = Image.open('{}/temp_number.jpg'.format(code_path))
a = 0 # 图片距离左边的大小
b = 0 # 图片距离上边的大小
c = 300 # 图片距离左边的大小 + 图片自身宽度
d = 300 # 图片距离上边的大小 + 图片自身高度
target.paste(qr, (a, b, c, d))
e = 0
f = 300
# target.paste(im, (e, f))
target.save("{}/code_img_str.jpg".format(code_path))
targeta = Image.new("RGB",(480,480),color)
targetb = Image.open("{}/code_img_str.jpg".format(code_path))
targeta.paste(targetb, (90, 60))
targeta.paste(im, (0, 360))
targeta.save("{}/{}.jpg".format(code_path,file_code))
logging.warning("库位二维码生成成功：{}".format(file_code))
@app.route('/downqrcode/', methods=['GET','POST'], strict_slashes=False)
def downqrcode():
# file_code = '001-01-001'
file_code = str(request.args.get("code"))
make_qrcode(file_code)
resize(file_code)
deal_number(file_code)
paste(file_code)
c_path = '/prog/smartshelf/app/static/uploads/'
filename = '{}.jpg'.format(file_code)
if request.method == "GET":
if os.path.isfile(os.path.join(c_path, filename)):
return send_from_directory(c_path, filename, as_attachment=True)