compare_view = (

            ' <div class="compare_view tooltip" title="%s">'

            '<a href="%s">%s</a> </div>' % (

                _('Show all combined changesets %s->%s') % (

                    revs_ids[0], revs_ids[-1]

                ),

                url('changeset_home', repo_name=repo_name,

                    revision='%s...%s' % (revs_ids[0], revs_ids[-1])

                ),

                _('compare view')

            )

        )

        # if we have exactly one more than normally displayed

        # just display it, takes less space than displaying

        # "and 1 more revisions"

        if len(revs_ids) == revs_limit + 1:

            rev = revs[revs_limit]

            cs_links.append(", " + lnk(rev, repo_name))

        # hidden-by-default ones

        if len(revs_ids) > revs_limit + 1:

            uniq_id = revs_ids[0]

            html_tmpl = (

                '<span> %s <a class="show_more" id="_%s" '

                'href="#more">%s</a> %s</span>'

            )

            if not feed:

                cs_links.append(html_tmpl % (

                      _('and'),

                      uniq_id, _('%s more') % (len(revs_ids) - revs_limit),

                      _('revisions')

                    )

                )

            if not feed:

                html_tmpl = '<span id="%s" style="display:none">, %s </span>'

            else:

                html_tmpl = '<span id="%s"> %s </span>'

            morelinks = ', '.join(

              [lnk(rev, repo_name) for rev in revs[revs_limit:]]

            )

            if len(revs_ids) > revs_top_limit:

                morelinks += ', ...'

            cs_links.append(html_tmpl % (uniq_id, morelinks))

        if len(revs) > 1:

            cs_links.append(compare_view)

        return ''.join(cs_links)

    def get_fork_name():

        repo_name = action_params

        return _('fork name ') + str(link_to(action_params, url('summary_home',

                                          repo_name=repo_name,)))

    def get_user_name():

        user_name = action_params

        return user_name

    def get_users_group():

        group_name = action_params

        return group_name

    # action : translated str, callback(extractor), icon

    action_map = {

    'user_deleted_repo':         (_('[deleted] repository'),

                                  None, 'database_delete.png'),

    'user_created_repo':         (_('[created] repository'),

                                  None, 'database_add.png'),

    'user_created_fork':         (_('[created] repository as fork'),

                                  None, 'arrow_divide.png'),

    'user_forked_repo':          (_('[forked] repository'),

                                  get_fork_name, 'arrow_divide.png'),

    'user_updated_repo':         (_('[updated] repository'),

                                  None, 'database_edit.png'),

    'admin_deleted_repo':        (_('[delete] repository'),

                                  None, 'database_delete.png'),

    'admin_created_repo':        (_('[created] repository'),

                                  None, 'database_add.png'),

    'admin_forked_repo':         (_('[forked] repository'),

                                  None, 'arrow_divide.png'),

    'admin_updated_repo':        (_('[updated] repository'),

                                  None, 'database_edit.png'),

    'admin_created_user':        (_('[created] user'),

                                  get_user_name, 'user_add.png'),

    'admin_updated_user':        (_('[updated] user'),

                                  get_user_name, 'user_edit.png'),

    'admin_created_users_group': (_('[created] users group'),

                                  get_users_group, 'group_add.png'),

    'admin_updated_users_group': (_('[updated] users group'),

                                  get_users_group, 'group_edit.png'),

    'user_commented_revision':   (_('[commented] on revision in repository'),

                                  get_cs_links, 'comment_add.png'),

    'push':                      (_('[pushed] into'),

                                  get_cs_links, 'script_add.png'),

    'push_local':                (_('[committed via RhodeCode] into repository'),

                                  get_cs_links, 'script_edit.png'),

    'push_remote':               (_('[pulled from remote] into repository'),

                                  get_cs_links, 'connect.png'),

    'pull':                      (_('[pulled] from'),

                                  None, 'down_16.png'),

    'started_following_repo':    (_('[started following] repository'),

                                  None, 'heart_add.png'),

    'stopped_following_repo':    (_('[stopped following] repository'),

                                  None, 'heart_delete.png'),

    }

    action_str = action_map.get(action, action)

    if feed:

        action = action_str[0].replace('[', '').replace(']', '')

    else:

        action = action_str[0]\

            .replace('[', '<span class="journal_highlight">')\

            .replace(']', '</span>')

    action_params_func = lambda: ""

    if callable(action_str[1]):

        action_params_func = action_str[1]

    def action_parser_icon():

        action = user_log.action

        action_params = None

        x = action.split(':')

        if len(x) > 1:

            action, action_params = x

        tmpl = """<img src="%s%s" alt="%s"/>"""

        ico = action_map.get(action, ['', '', ''])[2]

        return literal(tmpl % ((url('/images/icons/')), ico, action))

    # returned callbacks we need to call to get

    return [lambda: literal(action), action_params_func, action_parser_icon]

#==============================================================================

# PERMS

#==============================================================================

from rhodecode.lib.auth import HasPermissionAny, HasPermissionAll, \

HasRepoPermissionAny, HasRepoPermissionAll

#==============================================================================

# GRAVATAR URL

#==============================================================================

def gravatar_url(email_address, size=30):

    if (not str2bool(config['app_conf'].get('use_gravatar')) or

        not email_address or email_address == 'anonymous@rhodecode.org'):

        f = lambda a, l: min(l, key=lambda x: abs(x - a))

        return url("/images/user%s.png" % f(size, [14, 16, 20, 24, 30]))

    ssl_enabled = 'https' == request.environ.get('wsgi.url_scheme')

    default = 'identicon'

    baseurl_nossl = "http://www.gravatar.com/avatar/"

    baseurl_ssl = "https://secure.gravatar.com/avatar/"

    baseurl = baseurl_ssl if ssl_enabled else baseurl_nossl

    if isinstance(email_address, unicode):

        #hashlib crashes on unicode items

        email_address = safe_str(email_address)

    # construct the url

    gravatar_url = baseurl + hashlib.md5(email_address.lower()).hexdigest() + "?"

    gravatar_url += urllib.urlencode({'d': default, 's': str(size)})

    return gravatar_url

#==============================================================================

# REPO PAGER, PAGER FOR REPOSITORY

#==============================================================================

class RepoPage(Page):

    def __init__(self, collection, page=1, items_per_page=20,

                 item_count=None, url=None, **kwargs):

        """Create a "RepoPage" instance. special pager for paging

        repository

        """

        self._url_generator = url

        # Safe the kwargs class-wide so they can be used in the pager() method

        self.kwargs = kwargs

        # Save a reference to the collection

        self.original_collection = collection