recipients = ChangesetComment.get_users(pull_request_id=

                                                pull_request.pull_request_id)

            # add pull request author

            recipients += [pull_request.owner]

            # add the reviewers to notification

            recipients += pull_request.get_reviewer_users()

            #set some variables for email notification

            email_kwargs = {

                'pr_title': pull_request.title,

                'pr_title_short': h.shorter(pull_request.title, 50),

                'pr_nice_id': pull_request.nice_id(),

                'status_change': status_change,

                'closing_pr': closing_pr,

                'pr_comment_url': comment_url,

                'pr_comment_user': user.full_name_and_username,

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

                                   repo_name=pull_request.other_repo.repo_name),

                'pr_target_branch': other_ref_name,

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

                                   repo_name=pull_request.org_repo.repo_name),

                'pr_source_branch': org_ref_name,

                'pr_owner': pull_request.owner,

                'repo_name': pull_request.other_repo.repo_name,

                'comment_username': user.username,

                'threading': threading,

            }

        return subj, body, recipients, notification_type, email_kwargs

    def create(self, text, repo, user, revision=None, pull_request=None,

               f_path=None, line_no=None, status_change=None, closing_pr=False,

               send_email=True):

        """

        Creates a new comment for either a changeset or a pull request.

        status_change and closing_pr is only for the optional email.

        Returns the created comment.

        """

        if not status_change and not text:

            log.warning('Missing text for comment, skipping...')

            return None

        repo = self._get_repo(repo)

        user = self._get_user(user)

        comment = ChangesetComment()

        comment.repo = repo

    TYPE_PASSWORD_RESET = 'password_link'

    TYPE_REGISTRATION = Notification.TYPE_REGISTRATION

    TYPE_PULL_REQUEST = Notification.TYPE_PULL_REQUEST

    TYPE_PULL_REQUEST_COMMENT = Notification.TYPE_PULL_REQUEST_COMMENT

    TYPE_DEFAULT = 'default'

    def __init__(self):

        super(EmailNotificationModel, self).__init__()

        self._template_root = kallithea.CONFIG['pylons.paths']['templates'][0]

        self._tmpl_lookup = kallithea.CONFIG['pylons.app_globals'].mako_lookup

        self.email_types = {

            self.TYPE_CHANGESET_COMMENT: 'changeset_comment',

            self.TYPE_PASSWORD_RESET: 'password_reset',

            self.TYPE_REGISTRATION: 'registration',

            self.TYPE_DEFAULT: 'default',

            self.TYPE_PULL_REQUEST: 'pull_request',

            self.TYPE_PULL_REQUEST_COMMENT: 'pull_request_comment',

        }

        self._subj_map = {

            self.TYPE_CHANGESET_COMMENT: _('[Comment] %(repo_name)s changeset %(short_id)s "%(message_short)s" on %(branch)s'),

            self.TYPE_MESSAGE: 'Test Message',

            # self.TYPE_PASSWORD_RESET

            self.TYPE_REGISTRATION: _('New user %(new_username)s registered'),

            # self.TYPE_DEFAULT

        }

    def get_email_description(self, type_, **kwargs):

        """

        return subject for email based on given type

        """

        tmpl = self._subj_map[type_]

        try:

            subj = tmpl % kwargs

        except KeyError as e:

            log.error('error generating email subject for %r from %s: %s', type_, ','.join(self._subj_map.keys()), e)

            raise

        l = [safe_unicode(x) for x in [kwargs.get('status_change'), kwargs.get('closing_pr') and _('Closing')] if x]

        if l:

            if subj.startswith('['):

                subj = '[' + ', '.join(l) + ': ' + subj[1:]

            else:

                subj = '[' + ', '.join(l) + '] ' + subj

        return subj

    def get_email_tmpl(self, type_, content_type, **kwargs):

        """

        return generated template for email based on given type

        """

                 'pr_title': pr.title,

                 'pr_nice_id': pr.nice_id()},

                pr_url)

            )

        body = pr.description

        _org_ref_type, org_ref_name, _org_rev = pr.org_ref.split(':')

        _other_ref_type, other_ref_name, _other_rev = pr.other_ref.split(':')

        email_kwargs = {

            'pr_title': pr.title,

            'pr_title_short': h.shorter(pr.title, 50),

            'pr_user_created': user.full_name_and_username,

            'pr_repo_url': h.canonical_url('summary_home', repo_name=pr.other_repo.repo_name),

            'pr_url': pr_url,

            'pr_revisions': revision_data,

            'repo_name': pr.other_repo.repo_name,

            '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

            # FIXME: this subject is wrong and unused!

            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))

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

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

<div class="formatted-fixed">Registration body</div>

View this user here: <a href="http://newbie.org">http://newbie.org</a>

<br/>

<br/>

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

<h1>pull_request, is_mention=False</h1>

<pre>

From: u1

To: u2@example.com

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

Requesting User (root) requested your review of repo/name pull request "The Title"

URL: http://pr.org/7

Description:

This PR is awesome because it does stuff

 - please approve indented!

Changesets:

123abc123abc: http://changeset_home/?repo_name=repo_org&revision=123abc123abc123abc123abc123abc123abc123abc

Introduce one and two

and that's it

567fed567fed: http://changeset_home/?repo_name=repo_org&revision=567fed567fed567fed567fed567fed567fed567fed

Make one plus two equal tree

-- 

<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/>

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

<h1>pull_request, is_mention=True</h1>

<pre>

From: u1

To: u2@example.com

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

Requesting User (root) mentioned you on repo/name pull request "The Title"

URL: http://pr.org/7

Description:

This PR is awesome because it does stuff

 - please approve indented!

Changesets:

123abc123abc: http://changeset_home/?repo_name=repo_org&revision=123abc123abc123abc123abc123abc123abc123abc

Introduce one and two

and that's it

567fed567fed: http://changeset_home/?repo_name=repo_org&revision=567fed567fed567fed567fed567fed567fed567fed

Make one plus two equal tree

-- 

<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/>

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

<h1>pull_request_comment, is_mention=False, status_change=None, closing_pr=False</h1>

<pre>

From: u1

To: u2@example.com

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

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

Me too!

 - and indented on second line

URL: http://pr.org/comment

-- 

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

<h1>pull_request_comment, is_mention=True, status_change=None, closing_pr=False</h1>

<pre>

From: u1

To: u2@example.com

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

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>

<h1>pull_request_comment, is_mention=False, status_change='Under Review', closing_pr=False</h1>

<pre>

From: u1

To: u2@example.com

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

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>

<h1>pull_request_comment, is_mention=True, status_change='Under Review', closing_pr=False</h1>

<pre>

From: u1

To: u2@example.com

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

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>

<h1>pull_request_comment, is_mention=False, status_change=None, closing_pr=True</h1>

<pre>

From: u1

To: u2@example.com

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

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/>

-- <br/>

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

<h1>pull_request_comment, is_mention=True, status_change=None, closing_pr=True</h1>

<pre>

From: u1

To: u2@example.com

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

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>

<h1>pull_request_comment, is_mention=False, status_change='Under Review', closing_pr=True</h1>

<pre>

From: u1

To: u2@example.com

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

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>

<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 closed the pull request 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>

<h1>pull_request_comment, is_mention=True, status_change='Under Review', closing_pr=True</h1>

<pre>

From: u1

To: u2@example.com

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

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>

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

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

        def send_email(recipients, subject, body='', html_body='', headers=None, author=None):

            l.append('\n\n<h1>%s</h1>\n' % desc) # desc is from outer scope

            l.append('<pre>\n\n')

            l.append('From: %s\n' % author.username)

            l.append('To: %s\n' % ' '.join(recipients))

            l.append('Subject: %s\n' % subject)

            l.append('\n--------------------\n%s\n--------------------' % body)

            l.append('</pre>\n')

            l.append('\n%s\n' % html_body)

            l.append('<pre>--------------------</pre>\n')

        l.append('<html><body>\n')

        with mock.patch.object(kallithea.lib.celerylib.tasks, 'send_email', send_email):

            pr_kwargs = dict(

                pr_nice_id='#7',

                pr_title='The Title',

                pr_title_short='The Title',

                pr_url='http://pr.org/7',

                pr_target_repo='http://mainline.com/repo',

                pr_target_branch='trunk',

                pr_source_repo='https://dev.org/repo',

                pr_source_branch='devbranch',

                pr_owner=User.get(self.u2),

                )

            for type_, body, kwargs in [

                (Notification.TYPE_CHANGESET_COMMENT,

                 u'This is the new comment.\n\n - and here it ends indented.',

                 dict(

                    short_id='cafe1234',

                    raw_id='cafe1234c0ffeecafe',

                    branch='brunch',

                    cs_comment_user='Opinionated User (jsmith)',

                    cs_comment_url='http://comment.org',

                    is_mention=[False, True],

                    message='This changeset did something clever which is hard to explain',

                    message_short='This changeset did something cl...',

                    status_change=[None, 'Approved'],

                    cs_target_repo='repo_target',

                    cs_url='http://changeset.com',

                    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',