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from django.conf import settings
from django.core import urlresolvers
from django.core.exceptions import ImproperlyConfigured
# Attributes required in the top-level app for COMMENTS_APP
REQUIRED_COMMENTS_APP_ATTRIBUTES = ["get_model", "get_form", "get_form_target"]
def get_comment_app():
"""
Get the comment app (i.e. "django.contrib.comments") as defined in the settings
"""
# Make sure the app's in INSTALLED_APPS
comments_app = get_comment_app_name()
if comments_app not in settings.INSTALLED_APPS:
raise ImproperlyConfigured("The COMMENTS_APP (%r) "\
"must be in INSTALLED_APPS" % settings.COMMENTS_APP)
# Try to import the package
try:
package = __import__(comments_app, '', '', [''])
except ImportError:
raise ImproperlyConfigured("The COMMENTS_APP setting refers to "\
"a non-existing package.")
# Make sure some specific attributes exist inside that package.
for attribute in REQUIRED_COMMENTS_APP_ATTRIBUTES:
if not hasattr(package, attribute):
raise ImproperlyConfigured("The COMMENTS_APP package %r does not "\
"define the (required) %r function" % \
(package, attribute))
return package
def get_comment_app_name():
"""
Returns the name of the comment app (either the setting value, if it
exists, or the default).
"""
return getattr(settings, 'COMMENTS_APP', 'django.contrib.comments')
def get_model():
from django.contrib.comments.models import Comment
return Comment
def get_form():
from django.contrib.comments.forms import CommentForm
return CommentForm
def get_form_target():
return urlresolvers.reverse("django.contrib.comments.views.comments.post_comment")
def get_flag_url(comment):
"""
Get the URL for the "flag this comment" view.
"""
if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_flag_url"):
return get_comment_app().get_flag_url(comment)
else:
return urlresolvers.reverse("django.contrib.comments.views.moderation.flag", args=(comment.id,))
def get_delete_url(comment):
"""
Get the URL for the "delete this comment" view.
"""
if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_delete_url"):
return get_comment_app().get_flag_url(get_delete_url)
else:
return urlresolvers.reverse("django.contrib.comments.views.moderation.delete", args=(comment.id,))
def get_approve_url(comment):
"""
Get the URL for the "approve this comment from moderation" view.
"""
if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_approve_url"):
return get_comment_app().get_approve_url(comment)
else:
return urlresolvers.reverse("django.contrib.comments.views.moderation.approve", args=(comment.id,))
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