from django.conf import settings
from django.core import urlresolvers
from django.core.exceptions import ImproperlyConfigured
from django.contrib.comments.models import Comment
from django.contrib.comments.forms import CommentForm
from django.utils.importlib import import_module
DEFAULT_COMMENTS_APP = 'django.contrib.comments'
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_module(comments_app)
except ImportError:
raise ImproperlyConfigured("The COMMENTS_APP setting refers to "\
"a non-existing package.")
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', DEFAULT_COMMENTS_APP)
def get_model():
"""
Returns the comment model class.
"""
if get_comment_app_name() != DEFAULT_COMMENTS_APP and hasattr(get_comment_app(), "get_model"):
return get_comment_app().get_model()
else:
return Comment
def get_form():
"""
Returns the comment ModelForm class.
"""
if get_comment_app_name() != DEFAULT_COMMENTS_APP and hasattr(get_comment_app(), "get_form"):
return get_comment_app().get_form()
else:
return CommentForm
def get_form_target():
"""
Returns the target URL for the comment form submission view.
"""
if get_comment_app_name() != DEFAULT_COMMENTS_APP and hasattr(get_comment_app(), "get_form_target"):
return get_comment_app().get_form_target()
else:
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() != DEFAULT_COMMENTS_APP 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() != DEFAULT_COMMENTS_APP and hasattr(get_comment_app(), "get_delete_url"):
return get_comment_app().get_delete_url(comment)
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() != DEFAULT_COMMENTS_APP 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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