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76 lines
2.2 KiB
76 lines
2.2 KiB
4 weeks ago
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from flask import Flask, render_template, request
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from PIL import Image
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import pyzbar.pyzbar as pyzbar
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import time
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import sqlite3
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import os
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SQLITE_DB = "qr_results1.db3"
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FLUSH_TABLE = True
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app = Flask(__name__)
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global sDB
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class Sqlite_db:
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def __init__(self) -> None:
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self.conn = conn = sqlite3.connect(SQLITE_DB, check_same_thread=False)
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self.cur = conn.cursor()
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def create_table(self, table_name="QR_result"):
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self.cur.execute(f"DROP TABLE IF EXISTS {table_name}")
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self.cur.execute(f'''create table {table_name}(\
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id INTEGER PRIMARY KEY AUTOINCREMENT,\
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content varchar(100) not null,\
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parse_time varchar(100) not null);''')
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self.conn.commit()
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print(f"[*]create table {table_name}")
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def update_data(self, query):
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self.cur.execute(query)
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self.conn.commit()
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print(f"[*]executed: {query}")
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def query_data(self, query):
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self.cur.execute(query)
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return self.cur.fetchall()
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def exit(self):
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self.conn.close()
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@app.route('/')
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def hello_world():
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return 'Hello World'
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@app.route('/qr', methods=['POST'])
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def parse_qr():
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file = request.files['qr_pic']#file.filename
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img = Image.open(file)
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barcodes = pyzbar.decode(img)
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if len(barcodes):
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result = barcodes[0].data.decode("utf-8")
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else:
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result = "Null"
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cur_time = time.strftime("%Y-%m-%d %H-%M:%S", time.localtime(time.time()))
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query = f"insert into QR_result (content, parse_time) values ('{result}', '{cur_time}')"
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sDB.update_data(query)
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return result
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@app.route("/match", methods=['POST'])
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def list_results():
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pattern = request.form.get('pattern')
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query = f"select content, parse_time from QR_result where content like '%{pattern}%'"
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results = sDB.query_data(query)
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page_content ="<table><thead><tr><th>QR Content</th><th>Parse Time</th></tr></thead><tbody>"
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for r in results:
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page_content += f"<tr><td>{r[0]}</td><td>{r[1]}</td></tr>"
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page_content += "</tbody></table>"
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return page_content
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if __name__ == '__main__':
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sDB = Sqlite_db()
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if os.path.isfile(SQLITE_DB) and FLUSH_TABLE:
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sDB.create_table()
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# app.config['DEBUG'] = True
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app.run()
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sDB.exit()
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