ihatemoney/budget/run.py
0livd e3da3b3b7f Externalize the settings (#193)
Default settings from app's root path are loaded first
Settings are then overriden by /etc/ihatemoney/ihatemoney.cfg
or by another file which path is set in an env var
Fixes #187
2017-04-23 18:32:37 +02:00

102 lines
2.8 KiB
Python

import os
import os.path
import warnings
from flask import Flask, g, request, session
from flask_babel import Babel
from flask_migrate import Migrate, upgrade, stamp
from raven.contrib.flask import Sentry
from web import main, db, mail
from api import api
from utils import PrefixedWSGI
from utils import minimal_round
app = Flask(__name__, instance_path='/etc/ihatemoney', instance_relative_config=True)
def pre_alembic_db():
""" Checks if we are migrating from a pre-alembic ihatemoney
"""
con = db.engine.connect()
tables_exist = db.engine.dialect.has_table(con, 'project')
alembic_setup = db.engine.dialect.has_table(con, 'alembic_version')
return tables_exist and not alembic_setup
def configure():
""" A way to (re)configure the app, specially reset the settings
"""
default_config_file = os.path.join(app.root_path, 'default_settings.py')
config_file = os.environ.get('IHATEMONEY_SETTINGS_FILE_PATH')
# Load default settings first
# Then load the settings from the path set in IHATEMONEY_SETTINGS_FILE_PATH var
# If not set, default to /etc/ihatemoney/ihatemoney.cfg
# If the latter doesn't exist no error is raised and the default settings are used
app.config.from_pyfile(default_config_file)
if config_file:
app.config.from_pyfile(config_file)
else:
app.config.from_pyfile('ihatemoney.cfg', silent=True)
app.wsgi_app = PrefixedWSGI(app)
# Deprecations
if 'DEFAULT_MAIL_SENDER' in app.config:
# Since flask-mail 0.8
warnings.warn(
"DEFAULT_MAIL_SENDER is deprecated in favor of MAIL_DEFAULT_SENDER"
+" and will be removed in further version",
UserWarning
)
if not 'MAIL_DEFAULT_SENDER' in app.config:
app.config['MAIL_DEFAULT_SENDER'] = DEFAULT_MAIL_SENDER
configure()
app.register_blueprint(main)
app.register_blueprint(api)
# custom jinja2 filters
app.jinja_env.filters['minimal_round'] = minimal_round
# db
db.init_app(app)
db.app = app
# db migrations
migrate = Migrate(app, db)
migrations_path = os.path.join(app.root_path, 'migrations')
if pre_alembic_db():
with app.app_context():
# fake the first migration
stamp(migrations_path, revision='b9a10d5d63ce')
# auto-execute migrations on runtime
with app.app_context():
upgrade(migrations_path)
# mail
mail.init_app(app)
# translations
babel = Babel(app)
# sentry
sentry = Sentry(app)
@babel.localeselector
def get_locale():
# get the lang from the session if defined, fallback on the browser "accept
# languages" header.
lang = session.get('lang', request.accept_languages.best_match(['fr', 'en']))
setattr(g, 'lang', lang)
return lang
def main():
app.run(host="0.0.0.0", debug=True)
if __name__ == '__main__':
main()