def configured_engine ():
"""Build a configured SQLAlchemy engine."""
try:
uri = config.get("main", "database")
except ConfigParser.Error:
engine = None
else:
try:
engine = create_engine(uri)
except (ImportError, ArgumentError), ex:
warnings.warn(
"invalid database: %s (%s)" % (uri, ex), UserWarning)
engine = None
def configured_upstream ():
"""Import the configured upstream module."""
try:
module_name = config.get("upstream", "module")
except ConfigParser.Error:
module = None
else:
try:
module = __import__(module_name, locals(), globals(), [
"user_in", "user_out",
"project_in", "project_out",
"resource_in", "resource_out",
"project_member", "project_manager"])
except ImportError:
warnings.warn(
"invalid upstream module: %s" % (module_name), UserWarning)
module = None
return module