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app.py
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app.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
from flask import Flask, render_template, g
import sqlite3, os, sys
import json
con = sqlite3.connect('db.sqlite3')
# App configuration
app = Flask(__name__)
app.config.from_object(__name__)
app.config.update(dict(
DATABASE=os.path.join(app.root_path, 'db.sqlite3')
))
# Database connection access
def connect_db():
rv = sqlite3.connect(app.config['DATABASE'])
rv.row_factory = sqlite3.Row
return rv
def get_db():
if not hasattr(g, 'sqlit_db'):
g.sqlite_db = connect_db()
return g.sqlite_db
@app.teardown_appcontext
def close_db(exception):
if hasattr(g, 'sqlite_db'):
g.sqlite_db.close()
def init_db():
db = get_db()
with app.open_resource('schema.sql', mode='r') as f:
db.cursor().executescript(f.read())
import lonpos
db.commit()
@app.cli.command('initdb')
def initdb_command():
init_db()
print('Initialized the database.')
# URL routing and template rendering
@app.route('/')
def flat():
with con:
cur = con.cursor()
cur.execute("select * from coord where board_id = " +
"(select board_id from coord order by random() limit 1);")
rows = cur.fetchall()
return render_template('flat.html', coordinates=json.dumps(rows))
@app.route('/pyramid')
def pyramid():
return 'pyramid!'
@app.route('/about')
def about():
return 'about!'