app/django/contrib/comments/__init__.py
author Sverre Rabbelier <sverre@rabbelier.nl>
Mon, 07 Sep 2009 20:27:37 +0200
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permissions -rw-r--r--
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from django.conf import settings
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from django.core import urlresolvers
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from django.core.exceptions import ImproperlyConfigured
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# Attributes required in the top-level app for COMMENTS_APP
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REQUIRED_COMMENTS_APP_ATTRIBUTES = ["get_model", "get_form", "get_form_target"]
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def get_comment_app():
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    """
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    Get the comment app (i.e. "django.contrib.comments") as defined in the settings
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    """
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    # Make sure the app's in INSTALLED_APPS
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    comments_app = get_comment_app_name()
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    if comments_app not in settings.INSTALLED_APPS:
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        raise ImproperlyConfigured("The COMMENTS_APP (%r) "\
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                                   "must be in INSTALLED_APPS" % settings.COMMENTS_APP)
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    # Try to import the package
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    try:
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        package = __import__(comments_app, '', '', [''])
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    except ImportError:
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        raise ImproperlyConfigured("The COMMENTS_APP setting refers to "\
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                                   "a non-existing package.")
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    # Make sure some specific attributes exist inside that package.
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    for attribute in REQUIRED_COMMENTS_APP_ATTRIBUTES:
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        if not hasattr(package, attribute):
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            raise ImproperlyConfigured("The COMMENTS_APP package %r does not "\
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                                       "define the (required) %r function" % \
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                                            (package, attribute))
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    return package
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def get_comment_app_name():
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    """
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    Returns the name of the comment app (either the setting value, if it
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    exists, or the default).
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    """
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    return getattr(settings, 'COMMENTS_APP', 'django.contrib.comments')
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def get_model():
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    from django.contrib.comments.models import Comment
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    return Comment
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def get_form():
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    from django.contrib.comments.forms import CommentForm
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    return CommentForm
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def get_form_target():
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    return urlresolvers.reverse("django.contrib.comments.views.comments.post_comment")
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def get_flag_url(comment):
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    """
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    Get the URL for the "flag this comment" view.
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    """
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    if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_flag_url"):
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        return get_comment_app().get_flag_url(comment)
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    else:
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        return urlresolvers.reverse("django.contrib.comments.views.moderation.flag", args=(comment.id,))
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def get_delete_url(comment):
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    """
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    Get the URL for the "delete this comment" view.
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    """
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    if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_delete_url"):
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        return get_comment_app().get_flag_url(get_delete_url)
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    else:
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        return urlresolvers.reverse("django.contrib.comments.views.moderation.delete", args=(comment.id,))
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def get_approve_url(comment):
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    """
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    Get the URL for the "approve this comment from moderation" view.
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    """
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    if get_comment_app_name() != __name__ and hasattr(get_comment_app(), "get_approve_url"):
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        return get_comment_app().get_approve_url(comment)
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    else:
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        return urlresolvers.reverse("django.contrib.comments.views.moderation.approve", args=(comment.id,))