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65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
__version__ = '0.2.3'
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VERSION = __version__ # synonym
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from djangorestframework.builtins import DjangoRestFrameworkSite
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from django.utils.importlib import import_module
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import imp
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__all__ = ('autodiscover','site', '__version__', 'VERSION')
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api = DjangoRestFrameworkSite()
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# A flag to tell us if autodiscover is running. autodiscover will set this to
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# True while running, and False when it finishes.
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LOADING = False
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def autodiscover():
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"""
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Auto-discover INSTALLED_APPS api.py modules and fail silently when
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not present. This forces an import on them to register any api bits they
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may want.
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"""
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# Bail out if autodiscover didn't finish loading from a previous call so
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# that we avoid running autodiscover again when the URLconf is loaded by
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# the exception handler to resolve the handler500 view. This prevents an
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# admin.py module with errors from re-registering models and raising a
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# spurious AlreadyRegistered exception.
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global LOADING
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if LOADING:
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return
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LOADING = True
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from django.conf import settings
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for app in settings.INSTALLED_APPS:
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# For each app, we need to look for a api.py inside that
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# app's package. We can't use os.path here -- recall that modules may be
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# imported different ways (think zip files) -- so we need to get
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# the app's __path__ and look for api.py on that path.
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# Step 1: find out the app's __path__ Import errors here will (and
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# should) bubble up, but a missing __path__ (which is legal, but weird)
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# fails silently -- apps that do weird things with __path__ might
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# need to roll their own api registration.
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try:
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app_path = import_module(app).__path__
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except (AttributeError, ImportError):
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continue
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# Step 2: use imp.find_module to find the app's gargoyle_conditions.py.
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# For some # reason imp.find_module raises ImportError if the app can't
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# be found # but doesn't actually try to import the module. So skip this
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# app if its gargoyle.py doesn't exist
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try:
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imp.find_module('api', app_path)
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except ImportError:
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continue
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import_module("%s.api" % app)
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# autodiscover was successful, reset loading flag.
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LOADING = False
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