Initial checkin of stuff that exists so far.
This commit is contained in:
Armin Ronacher
commit
33850c0ebd
15 changed files with 984 additions and 0 deletions
30
examples/apishowcase/apishowcase.py
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30
examples/apishowcase/apishowcase.py
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from flask import Flask, abort, redirect, request, session, \
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render_template, url_for
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#: create a new flask applications. We pass it the name of our module
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#: so that flask knows where to look for templates and static files.
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app = Flask(__name__)
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@app.route('/', methods=['GET'])
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def index():
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"""Show an overview page"""
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return render_template('index.html')
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@app.route('/hello/', methods=['GET', 'POST'])
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def hello_user():
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"""Ask the user for a name and redirect to :func:`hello`"""
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if request.method == 'POST':
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return redirect(url_for('hello', name=request.form['name']))
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return render_template('hello.html', name=None)
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@app.route('/hello/<name>', methods=['GET'])
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def hello(name):
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"""Greet name friendly"""
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return render_template('hello.html', name=name)
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if __name__ == '__main__':
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app.run(debug=True)
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7
examples/apishowcase/static/style.css
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7
examples/apishowcase/static/style.css
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body {
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font-family: 'Trebuchet MS', sans-serif;
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}
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a {
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color: #44AD80;
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}
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12
examples/apishowcase/templates/counter.html
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12
examples/apishowcase/templates/counter.html
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{% extends "layout.html" %}
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{% block body %}
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<p>
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This is an example application that shows how
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the Werkzeug powered Flask microframework works.
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<p>
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The various parts of the example application:
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<ul>
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<li><a href="{{ url_for('hello_user') }}">Hello World</a>
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<li><a href="{{ url_for('counter') }}">Counter</a>
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</ul>
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{% endblock %}
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13
examples/apishowcase/templates/hello.html
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13
examples/apishowcase/templates/hello.html
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{% extends "layout.html" %}
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{% block body %}
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{% if name %}
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<h2>Hello {{ name }}!</h2>
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{% else %}
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<h3>Hello Stranger …</h3>
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<form action="{{ url_for('hello_user') }}" method="post">
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<p>… What's your name?
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<p><input type=text name=name size=30>
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<input type=submit value="That's me">
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</form>
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{% endif %}
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{% endblock %}
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11
examples/apishowcase/templates/index.html
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11
examples/apishowcase/templates/index.html
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{% extends "layout.html" %}
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{% block body %}
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<p>
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This is an example application that shows how
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the Werkzeug powered Flask microframework works.
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<p>
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The various parts of the example application:
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<ul>
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<li><a href="{{ url_for('hello_user') }}">Hello World</a>
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</ul>
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{% endblock %}
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8
examples/apishowcase/templates/layout.html
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8
examples/apishowcase/templates/layout.html
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<!doctype html>
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<title>Flask API Showcase</title>
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<link rel=stylesheet href="{{ url_for('static', filename='style.css') }}" type=text/css>
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<h1>Flask API Showcase</h1>
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{% if request.endpoint != 'index' %}
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<div class=backlink><a href="{{ url_for('index') }}">« back to index</a></div>
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{% endif %}
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{% block body %}{% endblock %}
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228
examples/minitwit/minitwit.py
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228
examples/minitwit/minitwit.py
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# -*- coding: utf-8 -*-
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from __future__ import with_statement
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import re
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import time
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import sqlite3
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from hashlib import md5
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from datetime import datetime
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from contextlib import closing
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from flask import Flask, request, session, url_for, redirect, \
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render_template, abort, g, flash, generate_password_hash, \
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check_password_hash
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# configuration
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DATABASE = '/tmp/minitwit.db'
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PER_PAGE = 30
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DEBUG = True
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SECRET_KEY = 'development key'
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# create our little application :)
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app = Flask(__name__)
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def connect_db():
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"""Returns a new database connection to the database."""
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return sqlite3.connect(DATABASE)
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def init_db():
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"""Creates the database tables."""
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with closing(connect_db()) as db:
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with app.open_resource('schema.sql') as f:
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db.cursor().executescript(f.read())
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db.commit()
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def query_db(query, args=(), one=False):
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"""Queries the database and returns a list of dictionaries."""
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cur = g.db.execute(query, args)
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rv = [dict((cur.description[idx][0], value)
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for idx, value in enumerate(row)) for row in cur.fetchall()]
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return (rv[0] if rv else None) if one else rv
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def get_user_id(username):
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"""Convenience method to look up the id for a username"""
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rv = g.db.execute('select user_id from user where username = ?',
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[username]).fetchone()
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return rv[0] if rv else None
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def format_datetime(timestamp):
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"""Format a timestamp for display"""
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return datetime.utcfromtimestamp(timestamp).strftime('%Y-%m-%d @ %H:%M')
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def gravatar_url(email, size=80):
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"""Return the gravatar image for the given email address"""
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return 'http://www.gravatar.com/avatar/%s?d=identicon&s=%d' % \
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(md5(email.lower().encode('utf-8')).hexdigest(), size)
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@app.request_init
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def before_request():
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"""Make sure we are connected to the database each request and look
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up the current user so that we know he's there.
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"""
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g.db = sqlite3.connect(DATABASE)
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if 'user_id' in session:
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g.user = query_db('select * from user where user_id = ?',
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[session['user_id']], one=True)
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@app.request_shutdown
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def after_request(request):
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"""Closes the database again at the end of the request."""
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g.db.close()
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return request
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@app.route('/')
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def timeline():
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if not 'user_id' in session:
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return redirect(url_for('public_timeline'))
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offset = request.args.get('offset', type=int)
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return render_template('timeline.html', messages=query_db('''
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select message.*, user.* from message, user
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where message.author_id = user.user_id and (
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user.user_id = ? or
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user.user_id in (select whom_id from follower
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where who_id = ?))
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order by message.pub_date desc limit ?''',
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[session['user_id'], session['user_id'], PER_PAGE]))
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@app.route('/public')
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def public_timeline():
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return render_template('timeline.html', messages=query_db('''
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select message.*, user.* from message, user
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where message.author_id = user.user_id
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order by message.pub_date desc limit ?''', [PER_PAGE]))
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@app.route('/<username>')
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def user_timeline(username):
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profile_user = query_db('select * from user where username = ?',
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[username], one=True)
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if profile_user is None:
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abort(404)
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followd = False
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if 'user_id' in session:
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followed = query_db('''select 1 from follower where
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follower.who_id = ? and follower.whom_id = ?''',
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[session['user_id'], profile_user['user_id']], one=True) is not None
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return render_template('timeline.html', messages=query_db('''
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select message.*, user.* from message, user where
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user.user_id = message.author_id and user.user_id = ?
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order by message.pub_date desc limit ?''',
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[profile_user['user_id'], PER_PAGE]), followed=followed,
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profile_user=profile_user)
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@app.route('/<username>/follow')
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def follow_user(username):
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if not 'user_id' in session:
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abort(401)
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whom_id = get_user_id(username)
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if whom_id is None:
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abort(404)
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g.db.execute('insert into follower (who_id, whom_id) values (?, ?)',
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[session['user_id'], whom_id])
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g.db.commit()
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flash('You are now following "%s"' % username)
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return redirect(url_for('user_timeline', username=username))
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@app.route('/<username>/unfollow')
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def unfollow_user(username):
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if not 'user_id' in session:
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abort(401)
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whom_id = get_user_id(username)
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if whom_id is None:
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abort(404)
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g.db.execute('delete from follower where who_id=? and whom_id=?',
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[session['user_id'], whom_id])
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g.db.commit()
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flash('You are no longer following "%s"' % username)
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return redirect(url_for('user_timeline', username=username))
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@app.route('/add_message')
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def add_message():
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if 'user_id' not in session:
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abort(401)
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if request.form['text']:
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g.db.execute('''insert into message (author_id, text, pub_date)
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values (?, ?, ?)''', (session['user_id'], request.form['text'],
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int(time.time())))
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g.db.commit()
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flash('Your message was recorded')
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return redirect(url_for('timeline'))
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@app.route('/login')
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def login():
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if 'user_id' in session:
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return redirect(url_for('timeline'))
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error = None
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if request.method == 'POST':
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user = query_db('''select * from user where
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username = ?''', [request.form['username']], one=True)
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if user is None:
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error = 'Invalid username'
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elif not check_password_hash(user['pw_hash'],
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request.form['password']):
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error = 'Invalid password'
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else:
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flash('You were logged in')
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session['user_id'] = user['user_id']
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return redirect(url_for('timeline'))
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return render_template('login.html', error=error)
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@app.route('/register')
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def register():
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if 'user_id' in session:
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return redirect(url_for('timeline'))
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error = None
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if request.method == 'POST':
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if not request.form['username']:
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error = 'You have to enter a username'
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elif not request.form['email'] or \
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'@' not in request.form['email']:
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error = 'You have to enter a valid email address'
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elif not request.form['password']:
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error = 'You have to enter a password'
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elif request.form['password'] != request.form['password2']:
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error = 'The two passwords to not match'
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elif get_user_id(request.form['username']) is not None:
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error = 'The username is already taken'
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else:
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g.db.execute('''insert into user (
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username, email, pw_hash) values (?, ?, ?)''',
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[request.form['username'], request.form['email'],
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generate_password_hash(request.form['password'])])
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g.db.commit()
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flash('You were successfully registered and can login now')
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return redirect(url_for('login'))
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return render_template('register.html', error=error)
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@app.route('/logout')
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def logout():
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flash('You were logged out')
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session.pop('user_id', None)
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return redirect(url_for('public_timeline'))
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# add some filters to jinja and set the secret key and debug mode
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# from the configuration.
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app.jinja_env.filters['datetimeformat'] = format_datetime
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app.jinja_env.filters['gravatar'] = gravatar_url
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app.secret_key = SECRET_KEY
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app.debug = DEBUG
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if __name__ == '__main__':
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app.run()
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21
examples/minitwit/schema.sql
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21
examples/minitwit/schema.sql
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drop table if exists user;
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create table user (
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user_id integer primary key autoincrement,
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username string not null,
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email string not null,
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pw_hash string not null
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);
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drop table if exists follower;
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create table follower (
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who_id integer,
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whom_id integer
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);
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drop table if exists message;
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create table message (
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message_id integer primary key autoincrement,
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author_id integer not null,
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text string not null,
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pub_date integer
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);
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178
examples/minitwit/static/style.css
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178
examples/minitwit/static/style.css
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body {
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background: #CAECE9;
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font-family: 'Trebuchet MS', sans-serif;
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font-size: 14px;
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}
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a {
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color: #26776F;
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}
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a:hover {
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color: #333;
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}
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input[type="text"],
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input[type="password"] {
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background: white;
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border: 1px solid #BFE6E2;
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padding: 2px;
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font-family: 'Trebuchet MS', sans-serif;
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font-size: 14px;
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-moz-border-radius: 2px;
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-webkit-border-radius: 2px;
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color: #105751;
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}
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input[type="submit"] {
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background: #105751;
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border: 1px solid #073B36;
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padding: 1px 3px;
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font-family: 'Trebuchet MS', sans-serif;
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font-size: 14px;
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font-weight: bold;
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-moz-border-radius: 2px;
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-webkit-border-radius: 2px;
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color: white;
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}
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div.page {
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background: white;
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border: 1px solid #6ECCC4;
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width: 700px;
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margin: 30px auto;
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}
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div.page h1 {
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background: #6ECCC4;
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margin: 0;
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padding: 10px 14px;
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color: white;
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letter-spacing: 1px;
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text-shadow: 0 0 3px #24776F;
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font-weight: normal;
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}
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div.page div.navigation {
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background: #DEE9E8;
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padding: 4px 10px;
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border-top: 1px solid #ccc;
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border-bottom: 1px solid #eee;
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color: #888;
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font-size: 12px;
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letter-spacing: 0.5px;
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}
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div.page div.navigation a {
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color: #444;
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font-weight: bold;
|
||||
}
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|
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div.page h2 {
|
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margin: 0 0 15px 0;
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color: #105751;
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text-shadow: 0 1px 2px #ccc;
|
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}
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|
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div.page div.body {
|
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padding: 10px;
|
||||
}
|
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|
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div.page div.footer {
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background: #eee;
|
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color: #888;
|
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padding: 5px 10px;
|
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font-size: 12px;
|
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}
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|
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div.page div.followstatus {
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border: 1px solid #ccc;
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background: #E3EBEA;
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-moz-border-radius: 2px;
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-webkit-border-radius: 2px;
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padding: 3px;
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font-size: 13px;
|
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}
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|
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div.page ul.messages {
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list-style: none;
|
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margin: 0;
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padding: 0;
|
||||
}
|
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div.page ul.messages li {
|
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margin: 10px 0;
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padding: 5px;
|
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background: #F0FAF9;
|
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border: 1px solid #DBF3F1;
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-moz-border-radius: 5px;
|
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-webkit-border-radius: 5px;
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min-height: 48px;
|
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}
|
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|
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div.page ul.messages p {
|
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margin: 0;
|
||||
}
|
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|
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div.page ul.messages li img {
|
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float: left;
|
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padding: 0 10px 0 0;
|
||||
}
|
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|
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div.page ul.messages li small {
|
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font-size: 0.9em;
|
||||
color: #888;
|
||||
}
|
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|
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div.page div.twitbox {
|
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margin: 10px 0;
|
||||
padding: 5px;
|
||||
background: #F0FAF9;
|
||||
border: 1px solid #94E2DA;
|
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-moz-border-radius: 5px;
|
||||
-webkit-border-radius: 5px;
|
||||
}
|
||||
|
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div.page div.twitbox h3 {
|
||||
margin: 0;
|
||||
font-size: 1em;
|
||||
color: #2C7E76;
|
||||
}
|
||||
|
||||
div.page div.twitbox p {
|
||||
margin: 0;
|
||||
}
|
||||
|
||||
div.page div.twitbox input[type="text"] {
|
||||
width: 585px;
|
||||
}
|
||||
|
||||
div.page div.twitbox input[type="submit"] {
|
||||
width: 70px;
|
||||
margin-left: 5px;
|
||||
}
|
||||
|
||||
ul.flashes {
|
||||
list-style: none;
|
||||
margin: 10px 10px 0 10px;
|
||||
padding: 0;
|
||||
}
|
||||
|
||||
ul.flashes li {
|
||||
background: #B9F3ED;
|
||||
border: 1px solid #81CEC6;
|
||||
-moz-border-radius: 2px;
|
||||
-webkit-border-radius: 2px;
|
||||
padding: 4px;
|
||||
font-size: 13px;
|
||||
}
|
||||
|
||||
div.error {
|
||||
margin: 10px 0;
|
||||
background: #FAE4E4;
|
||||
border: 1px solid #DD6F6F;
|
||||
-moz-border-radius: 2px;
|
||||
-webkit-border-radius: 2px;
|
||||
padding: 4px;
|
||||
font-size: 13px;
|
||||
}
|
||||
32
examples/minitwit/templates/layout.html
Normal file
32
examples/minitwit/templates/layout.html
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
<!doctype html>
|
||||
<title>{% block title %}Welcome{% endblock %} | MiniTwit</title>
|
||||
<link rel=stylesheet type=text/css href="{{ url_for('static', filename='style.css') }}">
|
||||
<div class=page>
|
||||
<h1>MiniTwit</h1>
|
||||
<div class=navigation>
|
||||
{% if g.user %}
|
||||
<a href="{{ url_for('timeline') }}">my timeline</a> |
|
||||
<a href="{{ url_for('public_timeline') }}">public timeline</a> |
|
||||
<a href="{{ url_for('logout') }}">sign out [{{ g.user.username }}]</a>
|
||||
{% else %}
|
||||
<a href="{{ url_for('public_timeline') }}">public timeline</a> |
|
||||
<a href="{{ url_for('register') }}">sign up</a> |
|
||||
<a href="{{ url_for('login') }}">sign in</a>
|
||||
{% endif %}
|
||||
</div>
|
||||
{% with flashes = get_flashed_messages() %}
|
||||
{% if flashes %}
|
||||
<ul class=flashes>
|
||||
{% for message in flashes %}
|
||||
<li>{{ message }}
|
||||
{% endfor %}
|
||||
</ul>
|
||||
{% endif %}
|
||||
{% endwith %}
|
||||
<div class=body>
|
||||
{% block body %}{% endblock %}
|
||||
</div>
|
||||
<div class=footer>
|
||||
MiniTwit — A Flask Application
|
||||
</div>
|
||||
</div>
|
||||
16
examples/minitwit/templates/login.html
Normal file
16
examples/minitwit/templates/login.html
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
{% extends "layout.html" %}
|
||||
{% block title %}Sign In{% endblock %}
|
||||
{% block body %}
|
||||
<h2>Sign In</h2>
|
||||
{% if error %}<div class=error><strong>Error:</strong> {{ error }}</div>{% endif %}
|
||||
<form action="" method=post>
|
||||
<dl>
|
||||
<dt>Username:
|
||||
<dd><input type=text name=username size=30 value="{{ request.form.username }}">
|
||||
<dt>Password:
|
||||
<dd><input type=password name=password size=30>
|
||||
</dl>
|
||||
<div class=actions><input type=submit value="Sign In"></div>
|
||||
</form>
|
||||
{% endblock %}
|
||||
|
||||
19
examples/minitwit/templates/register.html
Normal file
19
examples/minitwit/templates/register.html
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
{% extends "layout.html" %}
|
||||
{% block title %}Sign Up{% endblock %}
|
||||
{% block body %}
|
||||
<h2>Sign Up</h2>
|
||||
{% if error %}<div class=error><strong>Error:</strong> {{ error }}</div>{% endif %}
|
||||
<form action="" method=post>
|
||||
<dl>
|
||||
<dt>Username:
|
||||
<dd><input type=text name=username size=30 value="{{ request.form.username }}">
|
||||
<dt>E-Mail:
|
||||
<dd><input type=text name=email size=30 value="{{ request.form.email }}">
|
||||
<dt>Password:
|
||||
<dd><input type=password name=password size=30>
|
||||
<dt>Password <small>(repeat)</small>:
|
||||
<dd><input type=password name=password2 size=30>
|
||||
</dl>
|
||||
<div class=actions><input type=submit value="Sign Up"></div>
|
||||
</form>
|
||||
{% endblock %}
|
||||
49
examples/minitwit/templates/timeline.html
Normal file
49
examples/minitwit/templates/timeline.html
Normal file
|
|
@ -0,0 +1,49 @@
|
|||
{% extends "layout.html" %}
|
||||
{% block title %}
|
||||
{% if request.endpoint == 'public_timeline' %}
|
||||
Public Timeline
|
||||
{% elif request.endpoint == 'user_timeline' %}
|
||||
{{ profile_user.username }}'s Timeline
|
||||
{% else %}
|
||||
My Timeline
|
||||
{% endif %}
|
||||
{% endblock %}
|
||||
{% block body %}
|
||||
<h2>{{ self.title() }}</h2>
|
||||
{% if g.user %}
|
||||
{% if request.endpoint == 'user_timeline' %}
|
||||
<div class=followstatus>
|
||||
{% if g.user.user_id == profile_user.user_id %}
|
||||
This is you!
|
||||
{% elif followed %}
|
||||
You are currently following this user.
|
||||
<a class=unfollow href="{{ url_for('unfollow_user', username=profile_user.username)
|
||||
}}">Unfollow user</a>.
|
||||
{% else %}
|
||||
You are not yet following this user.
|
||||
<a class=follow href="{{ url_for('follow_user', username=profile_user.username)
|
||||
}}">Follow user</a>.
|
||||
{% endif %}
|
||||
</div>
|
||||
{% elif request.endpoint == 'timeline' %}
|
||||
<div class=twitbox>
|
||||
<h3>What's on your mind {{ g.user.username }}?</h3>
|
||||
<form action="{{ url_for('add_message') }}" method=post>
|
||||
<p><input type=text name=text size=60><!--
|
||||
--><input type=submit value="Share">
|
||||
</form>
|
||||
</div>
|
||||
{% endif %}
|
||||
{% endif %}
|
||||
<ul class=messages>
|
||||
{% for message in messages %}
|
||||
<li><img src="{{ message.email|gravatar(size=48) }}"><p>
|
||||
<strong><a href="{{ url_for('user_timeline', username=message.username)
|
||||
}}">{{ message.username }}</a></strong>
|
||||
{{ message.text }}
|
||||
<small>— {{ message.pub_date|datetimeformat }}</small>
|
||||
{% else %}
|
||||
<li><em>There are no messages so far.</em>
|
||||
{% endfor %}
|
||||
</ul>
|
||||
{% endblock %}
|
||||
Loading…
Add table
Add a link
Reference in a new issue