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reviewboard.extensions.hooks.CommentDetailDisplayHook is used when an extension wants to display additional information along with a comment on a review or in an e-mail, such as from data posted using the API (perhaps through an automated review), or from fields added to the comment dialog.

CommentDetailDisplayHook has two functions that can be implemented. Both are optional. These are passed the comment being rendered, which may be a Comment (for diff comments), FileAttachmentComment, or ScreenshotComment.

render_review_comment_detail() renders comments for display in a review on the review request page.

render_email_comment_detail() renders comments for display in an e-mail. It is passed an additional argument, is_html, which will be True if rendering an HTML e-mail, or False if rendering a plain-text e-mail. If rendering plain-text, the resulting string should always end with a newline.


from reviewboard.extensions.base import Extension
from reviewboard.extensions.hooks import CommentDetailDisplayHook

class SampleCommentDetailDisplay(CommentDetailDisplayHook):
    def render_review_comment_detail(self, comment):
        return '<p>Severity: %s</p>' % comment.extra_data['severity']

    def render_email_comment_detail(self, comment, is_html):
        if is_html:
            return '<p>Severity: %s</p>' % comment.extra_data['severity']
            return 'Severity: %s\n' % comment.extra_data['severity']