pyalchemybiz/pyalchemybiz/config/environment.py

64 lines
2.2 KiB
Python

"""Pylons environment configuration"""
import os
from mako.lookup import TemplateLookup
from pylons import config
from pylons.error import handle_mako_error
from sqlalchemy import engine_from_config
from sqlalchemy.exc import NoSuchTableError
from migrate.versioning.api import db_version
from pyalchemybiz.model import init_model
import pyalchemybiz.lib.app_globals as app_globals
import pyalchemybiz.lib.helpers
from pyalchemybiz.config.routing import make_map
from pyalchemybiz.model import init_model
def load_environment(global_conf, app_conf):
"""Configure the Pylons environment via the ``pylons.config``
object
"""
# Pylons paths
root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
paths = dict(root=root,
controllers=os.path.join(root, 'controllers'),
static_files=os.path.join(root, 'public'),
templates=[os.path.join(root, 'templates')])
# Initialize config with the basic options
config.init_app(global_conf, app_conf, package='pyalchemybiz', paths=paths)
config['routes.map'] = make_map()
config['pylons.app_globals'] = app_globals.Globals()
config['pylons.h'] = pyalchemybiz.lib.helpers
# Create the Mako TemplateLookup, with the default auto-escaping
config['pylons.app_globals'].mako_lookup = TemplateLookup(
directories=paths['templates'],
error_handler=handle_mako_error,
module_directory=os.path.join(app_conf['cache_dir'], 'templates'),
input_encoding='utf-8', default_filters=['escape'],
imports=['from webhelpers.html import escape'])
# Setup the SQLAlchemy database engine
engine = engine_from_config(config, 'sqlalchemy.')
try:
init_model(engine)
except NoSuchTableError:
# special handling for calls in websetup.py
import inspect
frame = inspect.currentframe()
try:
functions = [current[3] for current in \
inspect.getouterframes(frame)]
if functions[1] != 'setup_app':
raise
finally:
del frame
# CONFIGURATION OPTIONS HERE (note: all config options will override
# any Pylons config options)