__init__.py
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#! ../venv/bin/python
from flask import Flask
from flask.cli import ScriptInfo
from webassets.loaders import PythonLoader as PythonAssetsLoader
from flaskr import assets
from flaskr.models import db
from flaskr.controllers.main_controller import main
from flaskr.extensions import (
cache,
assets_env,
debug_toolbar,
login_manager
)
from flaskr.content import content
from markdown import markdown
def create_app(object_name):
"""
An flask application factory, as explained here:
http://flask.pocoo.org/docs/patterns/appfactories/
Arguments:
object_name: the python path of the config object,
e.g. flaskr.settings.ProductionConfig
"""
app = Flask(__name__)
# We bypass object_name (for dev)
if type(object_name) == ScriptInfo:
object_name = 'flaskr.settings.DevelopmentConfig'
# Load configuration
app.config.from_object(object_name)
# initialize the cache
cache.init_app(app)
# initialize the debug tool bar
debug_toolbar.init_app(app)
# initialize SQLAlchemy
db.init_app(app)
login_manager.init_app(app)
# Import and register the different asset bundles
assets_env.init_app(app)
assets_loader = PythonAssetsLoader(assets)
for name, bundle in assets_loader.load_bundles().items():
assets_env.register(name, bundle)
# register our blueprints
app.register_blueprint(main)
# VERSION (move to version.py is necessary)
version = "0.0.0"
with open('VERSION', 'r') as version_file:
version = version_file.read().strip()
# Inject it as global template var
@app.context_processor
def inject_template_global_variables():
return dict(
content=content,
version=version,
)
# Markdown jinja2 filter
@app.template_filter('markdown')
def markdown_filter(text):
return markdown(text)
return app