heroku hosting

Procfile

@@ -0,0 +1,4 @@
+web: gunicorn runp-heroku:app
+init: python db_create.py && pybabel compile -d app/translations
+upgrade: python db_upgrade.py && pybabel compile -d app/translations
+

app/__init__.py

@@ -29,7 +29,7 @@ if not app.debug and MAIL_SERVER != '':
     mail_handler.setLevel(logging.ERROR)
     app.logger.addHandler(mail_handler)
 
-if not app.debug:
+if not app.debug and os.environ.get('HEROKU') is None:
     import logging
     from logging.handlers import RotatingFileHandler
     file_handler = RotatingFileHandler('tmp/microblog.log', 'a', 1 * 1024 * 1024, 10)
@@ -39,6 +39,13 @@ if not app.debug:
     app.logger.setLevel(logging.INFO)
     app.logger.info('microblog startup')
 
+if os.environ.get('HEROKU') is not None:
+    import logging
+    stream_handler = logging.StreamHandler()
+    app.logger.addHandler(stream_handler)
+    app.logger.setLevel(logging.INFO)
+    app.logger.info('microblog startup')
+
 app.jinja_env.globals['momentjs'] = momentjs
 
 from app import views, models

app/models.py

@@ -1,7 +1,7 @@
 from hashlib import md5
 from app import db
 from app import app
-import flask.ext.whooshalchemy as whooshalchemy
+from config import WHOOSH_ENABLED
 import re
 
 ROLE_USER = 0
@@ -89,4 +89,6 @@ class Post(db.Model):
     def __repr__(self): # pragma: no cover
         return '<Post %r>' % (self.body)
         
+if WHOOSH_ENABLED:
+    import flask.ext.whooshalchemy as whooshalchemy
     whooshalchemy.whoosh_index(app, Post)

app/templates/base.html

@@ -53,7 +53,7 @@
               {% endif %}
             </ul>
           <div class="nav-collapse collapse">
-            {% if g.user.is_authenticated() %}
+            {% if g.user.is_authenticated() and g.search_enabled %}
             <form class="navbar-search pull-right" action="{{url_for('search')}}" method="post" name="search">{{g.search_form.hidden_tag()}}{{g.search_form.search(size=20,placeholder=_('Search'),class="search-query")}}</form>
             {% endif %}
           </div>

app/views.py

@@ -9,7 +9,7 @@ from datetime import datetime
 from emails import follower_notification
 from guess_language import guessLanguage
 from translate import microsoft_translate
-from config import POSTS_PER_PAGE, MAX_SEARCH_RESULTS, LANGUAGES, DATABASE_QUERY_TIMEOUT
+from config import POSTS_PER_PAGE, MAX_SEARCH_RESULTS, LANGUAGES, DATABASE_QUERY_TIMEOUT, WHOOSH_ENABLED
 
 @lm.user_loader
 def load_user(id):
@@ -28,6 +28,7 @@ def before_request():
         db.session.commit()
         g.search_form = SearchForm()
     g.locale = get_locale()
+    g.search_enabled = WHOOSH_ENABLED
 
 @app.after_request
 def after_request(response):

config.py

@@ -20,6 +20,9 @@ SQLALCHEMY_MIGRATE_REPO = os.path.join(basedir, 'db_repository')
 SQLALCHEMY_RECORD_QUERIES = True
 WHOOSH_BASE = os.path.join(basedir, 'search.db')
 
+# Whoosh does not work on Heroku
+WHOOSH_ENABLED = os.environ.get('HEROKU') is None
+
 # slow database query threshold (in seconds)
 DATABASE_QUERY_TIMEOUT = 0.5
 

requirements.txt

@@ -0,0 +1,28 @@
+Babel==0.9.6
+Flask==0.9
+Flask-Babel==0.8
+Flask-Login==0.1.3
+Flask-Mail==0.8.2
+Flask-OpenID==1.1.1
+Flask-SQLAlchemy==0.16
+Flask-WTF==0.8.3
+git+git://github.com/miguelgrinberg/Flask-WhooshAlchemy
+Jinja2==2.6
+MySQL-python==1.2.4
+SQLAlchemy==0.7.9
+Tempita==0.5.1
+WTForms==1.0.3
+Werkzeug==0.8.3
+Whoosh==2.4.1
+blinker==1.2
+coverage==3.6
+decorator==3.4.0
+flup==1.0.3.dev-20110405
+guess-language==0.2
+gunicorn==0.17.2
+psycopg2==2.5
+python-openid==2.2.5
+pytz==2013b
+speaklater==1.3
+sqlalchemy-migrate==0.7.2
+

runp-heroku.py

@@ -0,0 +1,2 @@
+#!flask/bin/python
+from app import app