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# -*- coding: utf-8 -*-
# <Lettuce - Behaviour Driven Development for python>
# Copyright (C) <2010-2012> Gabriel Falcão <>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.
from os.path import join, dirname
from importlib import import_module
except ImportError:
from django.utils.importlib import import_module
from django.conf import settings
def _filter_bultins(module):
"returns only those apps that are not builtin django.contrib"
name = module.__name__
return not name.startswith("django.contrib") and name != 'lettuce.django'
def _filter_configured_apps(module):
"returns only those apps that are in django.conf.settings.LETTUCE_APPS"
app_found = True
if hasattr(settings, 'LETTUCE_APPS') and isinstance(settings.LETTUCE_APPS, (list, tuple)):
app_found = False
for appname in settings.LETTUCE_APPS:
if module.__name__.startswith(appname):
app_found = True
return app_found
def _filter_configured_avoids(module):
"returns apps that are not within django.conf.settings.LETTUCE_AVOID_APPS"
run_app = False
if hasattr(settings, 'LETTUCE_AVOID_APPS') and isinstance(settings.LETTUCE_AVOID_APPS, (list, tuple)):
for appname in settings.LETTUCE_AVOID_APPS:
if module.__name__.startswith(appname):
run_app = True
return not run_app
def get_apps():
Import Django apps. It ignores ImportErrors.
(Django will take care of it)
apps = []
for app in settings.INSTALLED_APPS:
except ImportError:
return apps
def harvest_lettuces(only_the_apps=None, avoid_apps=None, path="features"):
"""gets all installed apps that are not from django.contrib
returns a list of tuples with (path_to_app, app_module)
apps = get_apps()
if isinstance(only_the_apps, (list, tuple)) and any(only_the_apps):
def _filter_only_specified(module):
return module.__name__ in only_the_apps
apps = filter(_filter_only_specified, apps)
apps = filter(_filter_bultins, apps)
apps = filter(_filter_configured_apps, apps)
apps = filter(_filter_configured_avoids, apps)
if isinstance(avoid_apps, (list, tuple)) and any(avoid_apps):
def _filter_avoid(module):
return module.__name__ not in avoid_apps
apps = filter(_filter_avoid, apps)
joinpath = lambda app: (join(dirname(app.__file__), path), app)
return map(joinpath, apps)