last_url = url('summary_home', repo_name=repo_name)

    last_link = link_to(just_name, last_url)

    def make_link(group):

        return link_to(group.name,

                       url('repos_group_home', group_name=group.group_name))

    return literal(' &raquo; '.join(map(make_link, groups) + ['<span>%s</span>' % last_link]))

def fancy_file_stats(stats):

    """

    Displays a fancy two colored bar for number of added/deleted

    lines of code on file

    :param stats: two element list of added/deleted lines of code

    """

    from kallithea.lib.diffs import NEW_FILENODE, DEL_FILENODE, \

        MOD_FILENODE, RENAMED_FILENODE, CHMOD_FILENODE, BIN_FILENODE

    def cgen(l_type, a_v, d_v):

        mapping = {'tr': 'top-right-rounded-corner-mid',

                   'tl': 'top-left-rounded-corner-mid',

                   'br': 'bottom-right-rounded-corner-mid',

                   'bl': 'bottom-left-rounded-corner-mid'}

        map_getter = lambda x: mapping[x]

        if l_type == 'a' and d_v:

            #case when added and deleted are present

            return ' '.join(map(map_getter, ['tl', 'bl']))

        if l_type == 'a' and not d_v:

            return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))

        if l_type == 'd' and a_v:

            return ' '.join(map(map_getter, ['tr', 'br']))

        if l_type == 'd' and not a_v:

            return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))

    a, d = stats['added'], stats['deleted']

    width = 100

    if stats['binary']:

        #binary mode

        lbl = ''

        bin_op = 1

        if BIN_FILENODE in stats['ops']:

            lbl = 'bin+'

        if NEW_FILENODE in stats['ops']:

            lbl += _('new file')

            bin_op = NEW_FILENODE

        elif MOD_FILENODE in stats['ops']:

            lbl += _('mod')

            bin_op = MOD_FILENODE

        elif DEL_FILENODE in stats['ops']:

            lbl += _('del')

            bin_op = DEL_FILENODE

        elif RENAMED_FILENODE in stats['ops']:

            lbl += _('rename')

            bin_op = RENAMED_FILENODE

        #chmod can go with other operations

        if CHMOD_FILENODE in stats['ops']:

            _org_lbl = _('chmod')

            lbl += _org_lbl if lbl.endswith('+') else '+%s' % _org_lbl

        #import ipdb;ipdb.set_trace()

        b_d = '<div class="bin bin%s %s" style="width:100%%">%s</div>' % (bin_op, cgen('a', a_v='', d_v=0), lbl)

        b_a = '<div class="bin bin1" style="width:0%"></div>'

        return literal('<div style="width:%spx">%s%s</div>' % (width, b_a, b_d))

    t = stats['added'] + stats['deleted']

    unit = float(width) / (t or 1)

    # needs > 9% of width to be visible or 0 to be hidden

    a_p = max(9, unit * a) if a > 0 else 0

    d_p = max(9, unit * d) if d > 0 else 0

    p_sum = a_p + d_p

    if p_sum > width:

        #adjust the percentage to be == 100% since we adjusted to 9

        if a_p > d_p:

            a_p = a_p - (p_sum - width)

        else:

            d_p = d_p - (p_sum - width)

    a_v = a if a > 0 else ''

    d_v = d if d > 0 else ''

    d_a = '<div class="added %s" style="width:%s%%">%s</div>' % (

        cgen('a', a_v, d_v), a_p, a_v

    )

    d_d = '<div class="deleted %s" style="width:%s%%">%s</div>' % (

        cgen('d', a_v, d_v), d_p, d_v

    )

    return literal('<div style="width:%spx">%s%s</div>' % (width, d_a, d_d))

_URLIFY_RE = re.compile(r'''

# URL markup

(?P<url>%s) |

# @mention markup

(?P<mention>%s) |

# Changeset hash markup

(?<!\w|[-_])

  (?P<hash>[0-9a-f]{12,40})

(?!\w|[-_]) |

# "Stylize" markup

\[see\ \=&gt;\ *(?P<seen>[a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\] |

\[license\ \=&gt;\ *(?P<license>[a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\] |

\[(?P<tagtype>requires|recommends|conflicts|base)\ \=&gt;\ *(?P<tagvalue>[a-zA-Z0-9\-\/]*)\] |

\[(?:lang|language)\ \=&gt;\ *(?P<lang>[a-zA-Z\-\/\#\+]*)\] |

\[(?P<tag>[a-z]+)\]

''' % (url_re.pattern, MENTIONS_REGEX.pattern),

    re.VERBOSE | re.MULTILINE | re.IGNORECASE)

def urlify_text(s, repo_name=None, link_=None, truncate=None, stylize=False, truncatef=truncate):

    """

    Parses given text message and make literal html with markup.

    The text will be truncated to the specified length.

    Hashes are turned into changeset links to specified repository.

    URLs links to what they say.

    Issues are linked to given issue-server.

    If link_ is provided, all text not already linking somewhere will link there.

    """

    def _replace(match_obj):

        url = match_obj.group('url')

        if url is not None:

            return '<a href="%(url)s">%(url)s</a>' % {'url': url}

        mention = match_obj.group('mention')

        if mention is not None:

            return '<b>%s</b>' % mention

        hash_ = match_obj.group('hash')

        if hash_ is not None and repo_name is not None:

            from pylons import url  # doh, we need to re-import url to mock it later

            return '<a class="revision-link" href="%(url)s">%(hash)s</a>' % {

                 'url': url('changeset_home', repo_name=repo_name, revision=hash_),

                 'hash': hash_,

                }

        if stylize:

            seen = match_obj.group('seen')

            if seen:

                return '<div class="metatag" tag="see">see =&gt; %s</div>' % seen

            license = match_obj.group('license')

            if license:

                return '<div class="metatag" tag="license"><a href="http:\/\/www.opensource.org/licenses/%s">%s</a></div>' % (license, license)

            tagtype = match_obj.group('tagtype')

            if tagtype:

                tagvalue = match_obj.group('tagvalue')

                return '<div class="metatag" tag="%s">%s =&gt; <a href="/%s">%s</a></div>' % (tagtype, tagtype, tagvalue, tagvalue)

            lang = match_obj.group('lang')

            if lang:

                return '<div class="metatag" tag="lang">%s</div>' % lang

            tag = match_obj.group('tag')

            if tag:

                return '<div class="metatag" tag="%s">%s</div>' % (tag, tag)

        return match_obj.group(0)

    def _urlify(s):

        """

        Extract urls from text and make html links out of them

        """

        return _URLIFY_RE.sub(_replace, s)

    if truncate is None:

        s = s.rstrip()

    else:

        s = truncatef(s, truncate, whole_word=True)

    s = html_escape(s)

    s = _urlify(s)

    if repo_name is not None:

        s = urlify_issues(s, repo_name)

    if link_ is not None:

        # make href around everything that isn't a href already

        s = linkify_others(s, link_)

    s = s.replace('\r\n', '<br/>').replace('\n', '<br/>')

    return literal(s)

def linkify_others(t, l):

    """Add a default link to html with links.

    HTML doesn't allow nesting of links, so the outer link must be broken up

    in pieces and give space for other links.

    """

    urls = re.compile(r'(\<a.*?\<\/a\>)',)

    links = []

    for e in urls.split(t):

            links.append('<a class="message-link" href="%s">%s</a>' % (l, e))

        else:

            links.append(e)

    return ''.join(links)

def _urlify_issues_replace_f(repo_name, ISSUE_SERVER_LNK, ISSUE_PREFIX):

    def urlify_issues_replace(match_obj):

        pref = ''

        if match_obj.group().startswith(' '):

            pref = ' '

        issue_id = ''.join(match_obj.groups())

        issue_url = ISSUE_SERVER_LNK.replace('{id}', issue_id)

        issue_url = issue_url.replace('{repo}', repo_name)

        issue_url = issue_url.replace('{repo_name}', repo_name.split(URL_SEP)[-1])

        return (

            '%(pref)s<a class="%(cls)s" href="%(url)s">'

            '%(issue-prefix)s%(id-repr)s'

            '</a>'

            ) % {

             'pref': pref,

             'cls': 'issue-tracker-link',

             'url': issue_url,

             'id-repr': issue_id,

             'issue-prefix': ISSUE_PREFIX,

             'serv': ISSUE_SERVER_LNK,

            }

    return urlify_issues_replace

def urlify_issues(newtext, repo_name):

    from kallithea import CONFIG as conf

    # allow multiple issue servers to be used

    valid_indices = [

        x.group(1)

        for x in map(lambda x: re.match(r'issue_pat(.*)', x), conf.keys())

        if x and 'issue_server_link%s' % x.group(1) in conf

        and 'issue_prefix%s' % x.group(1) in conf

    ]

    if valid_indices:

        log.debug('found issue server suffixes `%s` during valuation of: %s',

                  ','.join(valid_indices), newtext)

    for pattern_index in valid_indices:

        ISSUE_PATTERN = conf.get('issue_pat%s' % pattern_index)

        ISSUE_SERVER_LNK = conf.get('issue_server_link%s' % pattern_index)

        ISSUE_PREFIX = conf.get('issue_prefix%s' % pattern_index)

        log.debug('pattern suffix `%s` PAT:%s SERVER_LINK:%s PREFIX:%s',

                  pattern_index, ISSUE_PATTERN, ISSUE_SERVER_LNK,

                  ISSUE_PREFIX)

        URL_PAT = re.compile(ISSUE_PATTERN)

        urlify_issues_replace = _urlify_issues_replace_f(repo_name, ISSUE_SERVER_LNK, ISSUE_PREFIX)

        newtext = URL_PAT.sub(urlify_issues_replace, newtext)

        log.debug('processed prefix:`%s` => %s', pattern_index, newtext)

    return newtext

def render_w_mentions(source, repo_name=None):

    """

    Render plain text with revision hashes and issue references urlified

    and with @mention highlighting.

    """

    s = safe_unicode(source)

    s = urlify_text(s, repo_name=repo_name)

    return literal('<div class="formatted-fixed">%s</div>' % s)

def short_ref(ref_type, ref_name):

    if ref_type == 'rev':

        return short_id(ref_name)

    return ref_name

def link_to_ref(repo_name, ref_type, ref_name, rev=None):

    """

    Return full markup for a href to changeset_home for a changeset.

    If ref_type is branch it will link to changelog.

    ref_name is shortened if ref_type is 'rev'.

    if rev is specified show it too, explicitly linking to that revision.

    """

    txt = short_ref(ref_type, ref_name)

    if ref_type == 'branch':

        u = url('changelog_home', repo_name=repo_name, branch=ref_name)

    else:

        u = url('changeset_home', repo_name=repo_name, revision=ref_name)

    l = link_to(repo_name + '#' + txt, u)

    if rev and ref_type != 'rev':

        l = literal('%s (%s)' % (l, link_to(short_id(rev), url('changeset_home', repo_name=repo_name, revision=rev))))

    return l

def changeset_status(repo, revision):

    return ChangesetStatusModel().get_status(repo, revision)

def changeset_status_lbl(changeset_status):

    return ChangesetStatus.get_status_lbl(changeset_status)

def get_permission_name(key):

    return dict(Permission.PERMS).get(key)

def journal_filter_help():

    return _(textwrap.dedent('''

        Example filter terms:

            repository:vcs

            username:developer

            action:*push*

            ip:127.0.0.1

            date:20120101

            date:[20120101100000 TO 20120102]

        Generate wildcards using '*' character:

            "repository:vcs*" - search everything starting with 'vcs'

            "repository:*vcs*" - search for repository containing 'vcs'

        Optional AND / OR operators in queries

            "repository:vcs OR repository:test"

            "username:test AND repository:test*"

    '''))

def not_mapped_error(repo_name):

    flash(_('%s repository is not mapped to db perhaps'

            ' it was created or renamed from the filesystem'

            ' please run the application again'

            ' in order to rescan repositories') % repo_name, category='error')

def ip_range(ip_addr):

    from kallithea.model.db import UserIpMap

    s, e = UserIpMap._get_ip_range(ip_addr)

    return '%s - %s' % (s, e)

def form(url, method="post", **attrs):

    """Like webhelpers.html.tags.form but automatically using secure_form with

    authentication_token for POST. authentication_token is thus never leaked

    in the URL."""

    if method.lower() == 'get':

        return insecure_form(url, method=method, **attrs)

    # webhelpers will turn everything but GET into POST

    return secure_form(url, method=method, **attrs)

        (dict(hours=24 * 5), u'in 5 days'),

        (dict(months=1), u'in 1 month'),

        (dict(months=1, days=1), u'in 1 month and 1 day'),

        (dict(years=1, months=1), u'in 1 year and 1 month')

    ])

    def test_age_in_future(self, age_args, expected):

        from kallithea.lib.utils2 import age

        from dateutil import relativedelta

        n = datetime.datetime(year=2012, month=5, day=17)

        delt = lambda *args, **kwargs: relativedelta.relativedelta(*args, **kwargs)

        assert age(n + delt(**age_args), now=n) == expected

    def test_tag_extractor(self):

        sample = (

            "hello pta[tag] gog [[]] [[] sda ero[or]d [me =>>< sa]"

            "[requires] [stale] [see<>=>] [see => http://example.com]"

            "[requires => url] [lang => python] [just a tag]"

            "[,d] [ => ULR ] [obsolete] [desc]]"

        )

        from kallithea.lib.helpers import urlify_text

        res = urlify_text(sample, stylize=True)

        assert '<div class="metatag" tag="tag">tag</div>' in res

        assert '<div class="metatag" tag="obsolete">obsolete</div>' in res

        assert '<div class="metatag" tag="stale">stale</div>' in res

        assert '<div class="metatag" tag="lang">python</div>' in res

        assert '<div class="metatag" tag="requires">requires =&gt; <a href="/url">url</a></div>' in res

        assert '<div class="metatag" tag="tag">tag</div>' in res

    def test_alternative_gravatar(self):

        from kallithea.lib.helpers import gravatar_url

        _md5 = lambda s: hashlib.md5(s).hexdigest()

        #mock pylons.url

        class fake_url(object):

            @classmethod

            def current(cls, *args, **kwargs):

                return 'https://example.com'

        #mock pylons.tmpl_context

        def fake_tmpl_context(_url):

            _c = AttributeDict()

            _c.visual = AttributeDict()

            _c.visual.use_gravatar = True

            _c.visual.gravatar_url = _url

            return _c

        with mock.patch('pylons.url', fake_url):

            fake = fake_tmpl_context(_url='http://example.com/{email}')

            with mock.patch('pylons.tmpl_context', fake):

                    from pylons import url

                    assert url.current() == 'https://example.com'

                    grav = gravatar_url(email_address='test@example.com', size=24)

                    assert grav == 'http://example.com/test@example.com'

            fake = fake_tmpl_context(_url='http://example.com/{email}')

            with mock.patch('pylons.tmpl_context', fake):

                grav = gravatar_url(email_address='test@example.com', size=24)

                assert grav == 'http://example.com/test@example.com'

            fake = fake_tmpl_context(_url='http://example.com/{md5email}')

            with mock.patch('pylons.tmpl_context', fake):

                em = 'test@example.com'

                grav = gravatar_url(email_address=em, size=24)

                assert grav == 'http://example.com/%s' % (_md5(em))

            fake = fake_tmpl_context(_url='http://example.com/{md5email}/{size}')

            with mock.patch('pylons.tmpl_context', fake):

                em = 'test@example.com'

                grav = gravatar_url(email_address=em, size=24)

                assert grav == 'http://example.com/%s/%s' % (_md5(em), 24)

            fake = fake_tmpl_context(_url='{scheme}://{netloc}/{md5email}/{size}')

            with mock.patch('pylons.tmpl_context', fake):

                em = 'test@example.com'

                grav = gravatar_url(email_address=em, size=24)

                assert grav == 'https://example.com/%s/%s' % (_md5(em), 24)

    @parametrize('tmpl,repo_name,overrides,prefix,expected', [

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {}, '', 'http://vps1:8000/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {'user': 'username'}, '', 'http://username@vps1:8000/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {}, '/prefix', 'http://vps1:8000/prefix/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {'user': 'user'}, '/prefix', 'http://user@vps1:8000/prefix/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {'user': 'username'}, '/prefix', 'http://username@vps1:8000/prefix/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {'user': 'user'}, '/prefix/', 'http://user@vps1:8000/prefix/group/repo1'),

        (Repository.DEFAULT_CLONE_URI, 'group/repo1', {'user': 'username'}, '/prefix/', 'http://username@vps1:8000/prefix/group/repo1'),

        ('{scheme}://{user}@{netloc}/_{repoid}', 'group/repo1', {}, '', 'http://vps1:8000/_23'),

        ('{scheme}://{user}@{netloc}/_{repoid}', 'group/repo1', {'user': 'username'}, '', 'http://username@vps1:8000/_23'),

        ('http://{user}@{netloc}/_{repoid}', 'group/repo1', {'user': 'username'}, '', 'http://username@vps1:8000/_23'),

        ('http://{netloc}/_{repoid}', 'group/repo1', {'user': 'username'}, '', 'http://vps1:8000/_23'),

        ('https://{user}@proxy1.example.com/{repo}', 'group/repo1', {'user': 'username'}, '', 'https://username@proxy1.example.com/group/repo1'),

        ('https://{user}@proxy1.example.com/{repo}', 'group/repo1', {}, '', 'https://proxy1.example.com/group/repo1'),

        ('https://proxy1.example.com/{user}/{repo}', 'group/repo1', {'user': 'username'}, '', 'https://proxy1.example.com/username/group/repo1'),

    ])

    def test_clone_url_generator(self, tmpl, repo_name, overrides, prefix, expected):

        from kallithea.lib.utils2 import get_clone_url

        clone_url = get_clone_url(uri_tmpl=tmpl, qualified_home_url='http://vps1:8000'+prefix,

                                  repo_name=repo_name, repo_id=23, **overrides)

        assert clone_url == expected

    def _quick_url(self, text, tmpl="""<a class="revision-link" href="%s">%s</a>""", url_=None):

        """

        Changes `some text url[foo]` => `some text <a href="/">foo</a>

        :param text:

        """

        import re

        # quickly change expected url[] into a link

        URL_PAT = re.compile(r'(?:url\[)(.+?)(?:\])')

        def url_func(match_obj):

            _url = match_obj.groups()[0]

            return tmpl % (url_ or '/some-url', _url)

        return URL_PAT.sub(url_func, text)

    @parametrize('sample,expected', [

      ("",

       ""),

      ("git-svn-id: https://svn.apache.org/repos/asf/libcloud/trunk@1441655 13f79535-47bb-0310-9956-ffa450edef68",

       """git-svn-id: <a href="https://svn.apache.org/repos/asf/libcloud/trunk@1441655">https://svn.apache.org/repos/asf/libcloud/trunk@1441655</a> 13f79535-47bb-0310-9956-ffa450edef68"""),

      ("from rev 000000000000",

       """from rev url[000000000000]"""),

      ("from rev 000000000000123123 also rev 000000000000",

       """from rev url[000000000000123123] also rev url[000000000000]"""),

      ("this should-000 00",

       """this should-000 00"""),

      ("longtextffffffffff rev 123123123123",

       """longtextffffffffff rev url[123123123123]"""),

      ("rev ffffffffffffffffffffffffffffffffffffffffffffffffff",

       """rev ffffffffffffffffffffffffffffffffffffffffffffffffff"""),

      ("ffffffffffff some text traalaa",

       """url[ffffffffffff] some text traalaa"""),

       ("""Multi line

       123123123123

       some text 123123123123

       sometimes !

       """,

       """Multi line<br/>"""

       """       url[123123123123]<br/>"""

       """       some text url[123123123123]<br/>"""

       """       sometimes !"""),

    ])

    def test_urlify_text(self, sample, expected):

        def fake_url(self, *args, **kwargs):

            return '/some-url'

        expected = self._quick_url(expected)

        with mock.patch('pylons.url', fake_url):

            from kallithea.lib.helpers import urlify_text

            assert urlify_text(sample, 'repo_name') == expected

    @parametrize('sample,expected,url_', [

      ("",

       "",

       ""),

      ("https://svn.apache.org/repos",

       """url[https://svn.apache.org/repos]""",

       "https://svn.apache.org/repos"),

      ("http://svn.apache.org/repos",

       """url[http://svn.apache.org/repos]""",

       "http://svn.apache.org/repos"),

      ("from rev a also rev http://google.com",

       """from rev a also rev url[http://google.com]""",

       "http://google.com"),

      ("http://imgur.com/foo.gif inline http://imgur.com/foo.gif ending http://imgur.com/foo.gif",

       """url[http://imgur.com/foo.gif] inline url[http://imgur.com/foo.gif] ending url[http://imgur.com/foo.gif]""",

       "http://imgur.com/foo.gif"),

      ("""Multi line

       https://foo.bar.example.com

       some text lalala""",

       """Multi line<br/>"""

       """       url[https://foo.bar.example.com]<br/>"""

       """       some text lalala""",

       "https://foo.bar.example.com"),

      ("@mention @someone",

       """<b>@mention</b> <b>@someone</b>""",

       ""),

      ("deadbeefcafe 123412341234",

       """<a class="revision-link" href="/repo_name/changeset/deadbeefcafe">deadbeefcafe</a> <a class="revision-link" href="/repo_name/changeset/123412341234">123412341234</a>""",

       ""),

      # tags are covered by test_tag_extractor

    ])

    def test_urlify_test(self, sample, expected, url_):

        from kallithea.lib.helpers import urlify_text

        expected = self._quick_url(expected,

                                   tmpl="""<a href="%s">%s</a>""", url_=url_)

        assert urlify_text(sample, 'repo_name', stylize=True) == expected

    @parametrize('sample,expected', [

      ("deadbeefcafe @mention, and http://foo.bar/ yo",

       """<a class="revision-link" href="/repo_name/changeset/deadbeefcafe">deadbeefcafe</a>"""

       """<a class="message-link" href="#the-link"> <b>@mention</b>, and </a>"""

       """<a href="http://foo.bar/">http://foo.bar/</a>"""

       """<a class="message-link" href="#the-link"> yo</a>"""),

    ])

    def test_urlify_link(self, sample, expected):

        from kallithea.lib.helpers import urlify_text

        assert urlify_text(sample, 'repo_name', link_='#the-link') == expected

    @parametrize('test,expected', [

      ("", None),

      ("/_2", '2'),

      ("_2", '2'),

      ("/_2/", '2'),

      ("_2/", '2'),

      ("/_21", '21'),

      ("_21", '21'),

      ("/_21/", '21'),

      ("_21/", '21'),

      ("/_21/foobar", '21'),

      ("_21/121", '21'),

      ("/_21/_12", '21'),

      ("_21/prefix/foo", '21'),

    ])

    def test_get_repo_by_id(self, test, expected):

        from kallithea.lib.utils import _extract_id_from_repo_name

        _test = _extract_id_from_repo_name(test)

        assert _test == expected, 'url:%s, got:`%s` expected: `%s`' % (test, _test, expected)