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annotate foodtruck/web.py @ 764:f7ddd730c08d

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plugins: Abort the command if there's no site.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 02 Jul 2016 01:16:50 -0700
parents e67da1f7293b
children 3885421c29a3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import os
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2 import os.path
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3 import time
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4 import logging
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5 from flask import Flask, g, request, render_template
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6 from werkzeug import SharedDataMiddleware
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7 from .configuration import (
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8 FoodTruckConfigNotFoundError, get_foodtruck_config)
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9 from .sites import FoodTruckSites, InvalidSiteError
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10
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11
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12 logger = logging.getLogger(__name__)
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13
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14 app = Flask(__name__)
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15 app.config.from_object('foodtruck.settings')
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16 app.config.from_envvar('FOODTRUCK_SETTINGS', silent=True)
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17
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18 admin_root = app.config.get('FOODTRUCK_ROOT', os.getcwd())
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19 config_path = os.path.join(admin_root, 'app.cfg')
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20
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21 # If we're being run as the `chef admin run` command, from inside a PieCrust
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22 # website, do a few things differently.
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23 _procedural_config = None
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24
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25 if (app.config.get('FOODTRUCK_CMDLINE_MODE', False) and
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26 os.path.isfile(os.path.join(admin_root, 'config.yml'))):
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27 app.secret_key = os.urandom(22)
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28 app.config['LOGIN_DISABLED'] = True
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29 _procedural_config = {
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30 'sites': {
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31 'local': admin_root}
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32 }
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33
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34 # Add a special route for the `.well-known` directory.
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35 app.wsgi_app = SharedDataMiddleware(
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36 app.wsgi_app,
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37 {'/.well-known': os.path.join(admin_root, '.well-known')})
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38
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39 if os.path.isfile(config_path):
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40 app.config.from_pyfile(config_path)
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41
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42 if app.config['DEBUG']:
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43 l = logging.getLogger()
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44 l.setLevel(logging.DEBUG)
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45
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46 logger.debug("Using FoodTruck admin root: %s" % admin_root)
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47
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48
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49 def after_this_request(f):
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50 if not hasattr(g, 'after_request_callbacks'):
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51 g.after_request_callbacks = []
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52 g.after_request_callbacks.append(f)
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53 return f
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54
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55
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56 class LazySomething(object):
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57 def __init__(self, factory):
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58 self._factory = factory
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59 self._something = None
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60
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61 def __getattr__(self, name):
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62 if self._something is not None:
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63 return getattr(self._something, name)
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64
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65 self._something = self._factory()
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66 return getattr(self._something, name)
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67
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68
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69 @app.before_request
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70 def _setup_foodtruck_globals():
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71 def _get_config():
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72 return get_foodtruck_config(admin_root, _procedural_config)
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73
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74 def _get_sites():
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75 names = g.config.get('sites')
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76 if not names or not isinstance(names, dict):
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77 raise InvalidSiteError(
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78 "No sites are defined in the configuration file.")
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79
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80 current = request.cookies.get('foodtruck_site_name')
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81 if current is not None and current not in names:
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82 current = None
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83 if current is None:
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84 current = next(iter(names.keys()))
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85 s = FoodTruckSites(g.config, current)
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86 return s
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87
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88 def _get_current_site():
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89 return g.sites.get()
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90
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91 g.config = LazySomething(_get_config)
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92 g.sites = LazySomething(_get_sites)
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93 g.site = LazySomething(_get_current_site)
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94
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95
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96 @app.after_request
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97 def _call_after_request_callbacks(response):
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98 for callback in getattr(g, 'after_request_callbacks', ()):
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99 callback(response)
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100 return response
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101
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102
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103 if not app.config['DEBUG']:
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104 logger.debug("Registering exception handlers.")
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105
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106 @app.errorhandler(FoodTruckConfigNotFoundError)
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107 def _on_config_missing(ex):
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108 return render_template('install.html')
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109
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110 @app.errorhandler(InvalidSiteError)
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111 def _on_invalid_site(ex):
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112 data = {'error': "The was an error with your configuration file: %s" %
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113 str(ex)}
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114 return render_template('error.html', **data)
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115
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116
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117 @app.errorhandler
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118 def _on_error(ex):
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119 logging.exception(ex)
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120
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121
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122 _missing_secret_key = False
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123
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124 if not app.secret_key:
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125 # If there's no secret key, create a temp one but mark the app as not
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126 # correctly installed so it shows the installation information page.
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127 app.secret_key = 'temp-key'
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128 _missing_secret_key = True
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129
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130
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131 from flask.ext.login import LoginManager, UserMixin
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132
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133
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134 class User(UserMixin):
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135 def __init__(self, uid, pwd):
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136 self.id = uid
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137 self.password = pwd
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138
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139
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140 def load_user(user_id):
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141 admin_id = g.config.get('security/username')
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142 if admin_id == user_id:
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143 admin_pwd = g.config.get('security/password')
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144 return User(admin_id, admin_pwd)
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145 return None
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146
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147
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148 login_manager = LoginManager()
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149 login_manager.init_app(app)
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150 login_manager.login_view = 'login'
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151 login_manager.user_loader(load_user)
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152
608
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153 if _missing_secret_key:
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154 def _handler():
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155 raise FoodTruckConfigNotFoundError()
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156
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157 logger.debug("No secret key found, disabling website.")
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158 login_manager.unauthorized_handler(_handler)
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159 login_manager.login_view = None
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160
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161
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162 from foodtruck.bcryptfallback import Bcrypt
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163 if (getattr(Bcrypt, 'is_fallback_bcrypt', None) is True and
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164 not app.config.get('FOODTRUCK_CMDLINE_MODE', False)):
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165 raise Exception(
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166 "You're running FoodTruck outside of `chef`, and will need to "
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167 "install Flask-Bcrypt to get more proper security.")
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168 app.bcrypt = Bcrypt(app)
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169
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170
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171 @app.template_filter('iso8601')
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172 def timestamp_to_iso8601(t):
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173 t = time.localtime(t)
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174 return time.strftime('%Y-%m-%dT%H:%M:%SZ', t)
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175
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176 @app.template_filter('datetime')
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177 def timestamp_to_datetime(t, fmt=None):
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178 fmt = fmt or '%x'
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179 t = time.localtime(t)
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180 return time.strftime(fmt, t)
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181
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182
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183 import foodtruck.views.create # NOQA
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184 import foodtruck.views.dashboard # NOQA
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185 import foodtruck.views.edit # NOQA
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186 import foodtruck.views.menu # NOQA
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187 import foodtruck.views.preview # NOQA
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188 import foodtruck.views.publish # NOQA
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189 import foodtruck.views.sources # NOQA
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190