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annotate piecrust/admin/web.py @ 960:8101692fdc11

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admin: Add a "rebake preview assets" button to the dashboard. Baking preview assets is needed for showing the site preview. Also, add flashed messages.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 07 Oct 2017 12:13:57 -0700
parents e1cadbfddb48
children 45ad976712ec
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1 import os.path
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2 import logging
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3 from flask import Flask
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4 from werkzeug import SharedDataMiddleware
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6
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7 logger = logging.getLogger(__name__)
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8
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10 def create_foodtruck_app(extra_settings=None, url_prefix=None):
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11 from .blueprint import foodtruck_bp
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12
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13 app = Flask(__name__.split('.')[0], static_folder=None)
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14 app.config.from_object('piecrust.admin.settings')
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15 if extra_settings:
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16 app.config.update(extra_settings)
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17
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18 root_dir = app.config.setdefault('FOODTRUCK_ROOT_DIR', os.getcwd())
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19
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20 app.config.from_pyfile(os.path.join(root_dir, 'admin_app.cfg'),
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21 silent=True)
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22 app.config.from_envvar('FOODTRUCK_SETTINGS', silent=True)
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24 # Setup logging/error handling.
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25 if app.config['DEBUG']:
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26 l = logging.getLogger()
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27 l.setLevel(logging.DEBUG)
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29 if not app.config['SECRET_KEY']:
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30 # If there's no secret key, create a temp one but mark the app as not
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31 # correctly installed so it shows the installation information page.
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32 app.config['SECRET_KEY'] = 'temp-key'
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33
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34 # Register extensions and blueprints.
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35 app.register_blueprint(foodtruck_bp, url_prefix=url_prefix)
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36
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37 # Debugging stuff
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38 if app.config.get('FOODTRUCK_DEBUG_404'):
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39 @app.errorhandler(404)
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40 def page_not_found(e):
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41 return _debug_page_not_found(e)
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42
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43 logger.debug("Created FoodTruck app with admin root: %s" % root_dir)
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45 return app
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46
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48 def _debug_page_not_found(e):
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49 from flask import request, url_for
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50 output = []
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51 for rule in app.url_map.iter_rules():
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52 options = {}
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53 for arg in rule.arguments:
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54 options[arg] = "[{0}]".format(arg)
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55 methods = ','.join(rule.methods)
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56 try:
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57 url = url_for(rule.endpoint, **options)
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58 except:
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59 url = '???'
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60 line = ("{:50s} {:20s} {}".format(rule.endpoint, methods, url))
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61 output.append(line)
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62
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63 resp = 'FOODTRUCK_ROOT_URL=%s<br/>\n' % str(app.config['FOODTRUCK_ROOT_URL'])
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64 resp += 'PATH=%s<br/>\n' % request.path
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65 resp += 'ENVIRON=%s<br/>\n' % str(request.environ)
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66 resp += 'URL RULES:<br/>\n'
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67 resp += '<br/>\n'.join(sorted(output))
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68 return resp, 404