43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
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from django.utils.importlib import import_module
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from django.utils.module_loading import module_has_submodule
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def autodiscover(module):
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""" Auto-discover INSTALLED_APPS module.py """
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from django.conf import settings
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for app in settings.INSTALLED_APPS:
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mod = import_module(app)
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try:
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import_module('%s.%s' % (app, module))
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except ImportError:
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# Decide whether to bubble up this error. If the app just
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# doesn't have the module, we can ignore the error
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# attempting to import it, otherwise we want it to bubble up.
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if module_has_submodule(mod, module):
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print '%s module caused this error:' % module
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raise
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def isinstalled(app):
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""" returns True if app is installed """
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from django.conf import settings
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return app in settings.INSTALLED_APPS
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def add_app(INSTALLED_APPS, app, prepend=False, append=True):
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""" add app to installed_apps """
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if app not in INSTALLED_APPS:
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if prepend:
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return (app,) + INSTALLED_APPS
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else:
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return INSTALLED_APPS + (app,)
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return INSTALLED_APPS
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def remove_app(INSTALLED_APPS, app):
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""" remove app from installed_apps """
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if app in INSTALLED_APPS:
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apps = list(INSTALLED_APPS)
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apps.remove(app)
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return tuple(apps)
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return INSTALLED_APPS
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