Session().flush()

        if send_email:

            (subj, body, recipients, notification_type,

             email_kwargs) = self._get_notification_data(

                                repo, comment, user,

                                comment_text=text,

                                line_no=line_no,

                                revision=revision,

                                pull_request=pull_request,

                                status_change=status_change,

                                closing_pr=closing_pr)

            email_kwargs['is_mention'] = False

            # create notification objects, and emails

            NotificationModel().create(

                created_by=user, subject=subj, body=body,

                recipients=recipients, type_=notification_type,

                email_kwargs=email_kwargs,

            )

            mention_recipients = extract_mentioned_users(body).difference(recipients)

            if mention_recipients:

                email_kwargs['is_mention'] = True

                subj = _('[Mention]') + ' ' + subj

                NotificationModel().create(

                    created_by=user, subject=subj, body=body,

                    recipients=mention_recipients,

                    type_=notification_type,

                    email_kwargs=email_kwargs

                )

        return comment

    def delete(self, comment):

        comment = self.__get_changeset_comment(comment)

        Session().delete(comment)

        return comment

    def get_comments(self, repo_id, revision=None, pull_request=None):

        """

        Gets general comments for either revision or pull_request.

        Returns a list, ordered by creation date.

        """

        return self._get_comments(repo_id, revision=revision, pull_request=pull_request,

                                  inline=False)

            'org_repo_name': pr.org_repo.repo_name,

            'pr_nice_id': pr.nice_id(),

            'pr_target_repo': h.canonical_url('summary_home',

                               repo_name=pr.other_repo.repo_name),

            'pr_target_branch': other_ref_name,

            'pr_source_repo': h.canonical_url('summary_home',

                               repo_name=pr.org_repo.repo_name),

            'pr_source_branch': org_ref_name,

            'pr_owner': pr.owner,

            'pr_username': user.username,

            'threading': threading,

            'is_mention': False,

            }

        if reviewers:

            NotificationModel().create(created_by=user, subject=subject, body=body,

                                       recipients=reviewers,

                                       type_=Notification.TYPE_PULL_REQUEST,

                                       email_kwargs=email_kwargs)

        if mention_recipients:

            mention_recipients.difference_update(reviewers)

        if mention_recipients:

            email_kwargs['is_mention'] = True

            subject = _('[Mention]') + ' ' + subject

            NotificationModel().create(created_by=user, subject=subject, body=body,

                                       recipients=mention_recipients,

                                       type_=Notification.TYPE_PULL_REQUEST,

                                       email_kwargs=email_kwargs)

    def mention_from_description(self, user, pr, old_description=''):

        mention_recipients = (extract_mentioned_users(pr.description) -

                              extract_mentioned_users(old_description))

        log.debug("Mentioning %s", mention_recipients)

        self.__add_reviewers(user, pr, set(), mention_recipients)

    def update_reviewers(self, user, pull_request, reviewers_ids):

        reviewers_ids = set(reviewers_ids)

        pull_request = self.__get_pull_request(pull_request)

        current_reviewers = PullRequestReviewers.query() \

            .options(joinedload('user')) \

            .filter_by(pull_request=pull_request) \

            .all()

        current_reviewer_users = set(x.user for x in current_reviewers)

        new_reviewer_users = set(self._get_valid_reviewers(reviewers_ids))

        to_add = new_reviewer_users - current_reviewer_users

        to_remove = current_reviewer_users - new_reviewer_users

<p style="white-space: pre-wrap; font-family: monospace"><div class="formatted-fixed">This PR is awesome because it does stuff

 - please approve indented!</div></p>

<p>Changesets:</p>

<p style="white-space: pre-wrap">

<i><a href="http://changeset_home/?repo_name=repo_org&amp;revision=123abc123abc123abc123abc123abc123abc123abc">123abc123abc</a></i>:

Introduce one and two

and that's it

<i><a href="http://changeset_home/?repo_name=repo_org&amp;revision=567fed567fed567fed567fed567fed567fed567fed">567fed567fed</a></i>:

Make one plus two equal tree

</p>

<br/>

<br/>

-- <br/>

This is an automatic notification. Don't reply to this mail.

<pre>--------------------</pre>

<pre>

From: u1

To: u2@example.com

Subject: [Comment] repo/name pull request #7 from devbranch

--------------------

Comment from Opinionated User (jsmith) on repo/name pull request "The Title":

Me too!

 - and indented on second line

URL: http://pr.org/comment

-- 

This is an automatic notification. Don't reply to this mail.

--------------------</pre>

<p>Comment from Opinionated User (jsmith) on repo/name pull request &#34;The Title&#34;:</p>

<p><div class="formatted-fixed">Me too!

 - and indented on second line</div></p>

<p>URL: <a href="http://pr.org/comment">http://pr.org/comment</a></p>

<br/>

<br/>

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<pre>--------------------</pre>

<pre>

From: u1

To: u2@example.com

Subject: [Under Review: Comment] repo/name pull request #7 from devbranch

--------------------

Comment from Opinionated User (jsmith) on repo/name pull request "The Title":

Me too!

 - and indented on second line

The comment was made with status: Under Review

URL: http://pr.org/comment

-- 

This is an automatic notification. Don't reply to this mail.

--------------------</pre>

<p>Comment from Opinionated User (jsmith) on repo/name pull request &#34;The Title&#34;:</p>

<p><div class="formatted-fixed">Me too!

 - and indented on second line</div></p>

       <p>The comment was made with status: <b>Under Review</b></p>

<p>URL: <a href="http://pr.org/comment">http://pr.org/comment</a></p>

<br/>

<br/>

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<pre>--------------------</pre>

<pre>

From: u1

To: u2@example.com

Subject: [Closing: Comment] repo/name pull request #7 from devbranch

--------------------

Comment from Opinionated User (jsmith) on repo/name pull request "The Title":

Me too!

 - and indented on second line

URL: http://pr.org/comment

-- 

This is an automatic notification. Don't reply to this mail.

--------------------</pre>

<p>Comment from Opinionated User (jsmith) on repo/name pull request &#34;The Title&#34;:</p>

<p><div class="formatted-fixed">Me too!

 - and indented on second line</div></p>

<p>URL: <a href="http://pr.org/comment">http://pr.org/comment</a></p>

<br/>

<br/>

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<pre>--------------------</pre>

<pre>

From: u1

To: u2@example.com

Subject: [Under Review, Closing: Comment] repo/name pull request #7 from devbranch

--------------------

Comment from Opinionated User (jsmith) on repo/name pull request "The Title":

Me too!

 - and indented on second line

The comment closed the pull request with status: Under Review

URL: http://pr.org/comment

-- 

This is an automatic notification. Don't reply to this mail.

--------------------</pre>

                    cs_author=User.get(self.u2))),

                (Notification.TYPE_MESSAGE,

                 u'This is the body of the test message\n - nothing interesting here except indentation.',

                 dict()),

                #(Notification.TYPE_MENTION, '$body', None), # not used

                (Notification.TYPE_REGISTRATION,

                 u'Registration body',

                 dict(

                    new_username='newbie',

                    registered_user_url='http://newbie.org',

                    new_email='new@email.com',

                    new_full_name='New Full Name')),

                (Notification.TYPE_PULL_REQUEST,

                 u'This PR is awesome because it does stuff\n - please approve indented!',

                 dict(

                    pr_user_created='Requesting User (root)', # pr_owner should perhaps be used for @mention in description ...

                    is_mention=[False, True],

                    pr_revisions=[('123abc'*7, "Introduce one and two\n\nand that's it"), ('567fed'*7, 'Make one plus two equal tree')],

                    org_repo_name='repo_org',

                    **pr_kwargs)),

                (Notification.TYPE_PULL_REQUEST_COMMENT,

                 u'Me too!\n\n - and indented on second line',

                 dict(

                    closing_pr=[False, True],

                    pr_comment_user='Opinionated User (jsmith)',

                    pr_comment_url='http://pr.org/comment',

                    status_change=[None, 'Under Review'],

                    **pr_kwargs)),

                ]:

                kwargs['repo_name'] = u'repo/name'

                params = [(type_, type_, body, kwargs)]

                for param_name in ['is_mention', 'status_change', 'closing_pr']: # TODO: inline/general

                    if not isinstance(kwargs.get(param_name), list):

                        continue

                    new_params = []

                    for v in kwargs[param_name]:

                        for desc, type_, body, kwargs in params:

                            kwargs = dict(kwargs)

                            kwargs[param_name] = v

                            new_params.append(('%s, %s=%r' % (desc, param_name, v), type_, body, kwargs))

                    params = new_params

                for desc, type_, body, kwargs in params:

                    # desc is used as "global" variable

                    notification = NotificationModel().create(created_by=self.u1,

                                                       subject=u'unused', body=body, email_kwargs=kwargs,

                                                       recipients=[self.u2], type_=type_)