def defaultsettings():
"""By now it is expected that all interface specs and plugin definitions
would have been loaded by loading packages implementing them and
pluggdapps' plugin meta-classing. This function will collect their default
settings and return them as a tuple of two dictionaries.
(appdefaults, plugindefaults)
appdefaults,
{ "webapp:<appname>" : default_settings,
...
}
plugindefaults
{ "plugin:<pluginname>" : default_settings,
...
}
"""
from pluggdapps.plugin import PluginMeta, applications
# Default settings for applications and plugins.
appdefaults, plugindefaults = {}, {}
appnames = applications()
# Fetch all the default-settings for loaded plugins using `ISettings`
# interface. Plugin inheriting from other plugins will override its base's
# default_settings() in cls.mro() order.
for info in PluginMeta._pluginmap.values() :
name = info['name']
bases = reversed( info['cls'].mro() )
sett = {}
[ sett.update( dict( b.default_settings().items() )) for b in bases ]
if name in appnames :
appdefaults[ app2sec(name) ] = sett
else :
plugindefaults[ plugin2sec(name) ] = sett
# Validation check
appnames_ = sorted( list( map( app2sec, appnames )))
if appnames_ != sorted( list( appdefaults.keys() )) :
raise Exception( "appnames and appdefaults do not match" )
return appdefaults, plugindefaults
# Override plugin's package default settings with [DEFAULT] settings.
plugindefaults = { key : h.mergedict(defaultsett1, sett, defaultsett2)
for key, sett plugindefaults.items() }
settings.update( deepcopy( plugindefaults ))
# Create instance-wise full settings dictionary.
for instkey, values in instdef.items() :
appsec, t, mountname, config = instkey
settings[instkey] = { appsec : h.mergedict( defaultsett1,
values[appsec],
defaultsett2 ) }
settings[instkey].update( deepcopy( plugindefaults ))
# Validate application sections and plugin sections in master ini file
appnames = applications()
pluginms = pluginnames()
for secname in cp.sections() :
if is_app_section(secname) and sec2app(secname) not in appnames :
raise Exception( "%r web-app is not found" % secname )
elif is_plugin_section(secname) and sec2plugin(secname) not in pluginms:
raise Exception( "%r plugin is not found" % secname )
# Load web-app section configuration in master ini file into app instance
# settings
for instkey, instsett in settings.items() :
if not isinstance( instkey, tuple ) : continue
# Only application settings
appsec, t, mountname, config = instkey
if cp.has_section( appsec ) :
instsett[appsec].update( dict( cp.items( appsec, vars=_vars )))
