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import os
from zope.interface import implements
from repoze.bfg.interfaces import ISettings
from repoze.bfg.threadlocal import get_current_registry
class Settings(dict):
""" Deployment settings. Update application settings (usually
from PasteDeploy keywords) with framework-specific key/value pairs
(e.g. find ``BFG_DEBUG_AUTHORIZATION`` in os.environ and jam into
keyword args)."""
implements(ISettings)
# _environ_ is dep inj for testing
def __init__(self, d=None, _environ_=os.environ, **kw):
if d is None:
d = {}
dict.__init__(self, d, **kw)
eget = _environ_.get
config_debug_all = self.get('debug_all', '')
eff_debug_all = asbool(eget('BFG_DEBUG_ALL', config_debug_all))
config_reload_all = self.get('reload_all', '')
eff_reload_all = asbool(eget('BFG_RELOAD_ALL',config_reload_all))
config_debug_auth = self.get('debug_authorization', '')
eff_debug_auth = asbool(eget('BFG_DEBUG_AUTHORIZATION',
config_debug_auth))
config_debug_notfound = self.get('debug_notfound', '')
eff_debug_notfound = asbool(eget('BFG_DEBUG_NOTFOUND',
config_debug_notfound))
config_reload_templates = self.get('reload_templates', '')
eff_reload_templates = asbool(eget('BFG_RELOAD_TEMPLATES',
config_reload_templates))
config_reload_resources = self.get('reload_resources', '')
eff_reload_resources = asbool(eget('BFG_RELOAD_RESOURCES',
config_reload_resources))
configure_zcml = self.get('configure_zcml', '')
eff_configure_zcml = eget('BFG_CONFIGURE_ZCML', configure_zcml)
locale_name = self.get('locale_name', 'en')
eff_locale_name = eget('BFG_DEFAULT_LOCALE_NAME', locale_name)
update = {
'debug_authorization': eff_debug_all or eff_debug_auth,
'debug_notfound': eff_debug_all or eff_debug_notfound,
'reload_templates': eff_reload_all or eff_reload_templates,
'reload_resources':eff_reload_all or eff_reload_resources,
'configure_zcml':eff_configure_zcml,
'default_locale_name':eff_locale_name,
}
self.update(update)
def __getattr__(self, name):
# backwards compatibility
try:
return self[name]
except KeyError:
raise AttributeError(name)
def get_settings():
"""
Return a 'settings' object for the current application. A
'settings' object is a dictionary-like object that contains
key/value pairs based on the dictionary passed as the ``settings``
argument to the :class:`repoze.bfg.configuration.Configurator`
constructor or the :func:`repoze.bfg.router.make_app` API.
.. note:: For backwards compatibility, dictionary keys can also be
looked up as attributes of the settings object.
"""
reg = get_current_registry()
return reg.queryUtility(ISettings)
def asbool(s):
s = str(s).strip()
return s.lower() in ('t', 'true', 'y', 'yes', 'on', '1')
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