class Flash(_Flash):

    def pop_messages(self):

        """Return all accumulated messages and delete them from the session.

        The return value is a list of ``Message`` objects.

        """

        from pylons import session

        messages = session.pop(self.session_key, [])

        session.save()

        return [_Message(*m) for m in messages]

flash = Flash()

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

# SCM FILTERS available via h.

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

from kallithea.lib.vcs.utils import author_name, author_email

from kallithea.lib.utils2 import credentials_filter, age as _age

from kallithea.model.db import User, ChangesetStatus

age = lambda  x, y=False: _age(x, y)

capitalize = lambda x: x.capitalize()

email = author_email

short_id = lambda x: x[:12]

hide_credentials = lambda x: ''.join(credentials_filter(x))

def show_id(cs):

    """

    Configurable function that shows ID

    by default it's r123:fffeeefffeee

    :param cs: changeset instance

    """

    from kallithea import CONFIG

    def_len = safe_int(CONFIG.get('show_sha_length', 12))

    show_rev = str2bool(CONFIG.get('show_revision_number', True))

    raw_id = cs.raw_id[:def_len]

    if show_rev:

        return 'r%s:%s' % (cs.revision, raw_id)

    else:

        return '%s' % (raw_id)

def fmt_date(date):

    if date:

        _fmt = u"%a, %d %b %Y %H:%M:%S".encode('utf8')

        return date.strftime(_fmt).decode('utf8')

    return ""

def is_git(repository):

    if hasattr(repository, 'alias'):

        _type = repository.alias

    elif hasattr(repository, 'repo_type'):

        _type = repository.repo_type

    else:

        _type = repository

    return _type == 'git'

def is_hg(repository):

    if hasattr(repository, 'alias'):

        _type = repository.alias

    elif hasattr(repository, 'repo_type'):

        _type = repository.repo_type

    else:

        _type = repository

    return _type == 'hg'

def email_or_none(author):

    # extract email from the commit string

    _email = email(author)

    if _email != '':

        # check it against Kallithea database, and use the MAIN email for this

        # user

        user = User.get_by_email(_email, case_insensitive=True, cache=True)

        if user is not None:

            return user.email

        return _email

    # See if it contains a username we can get an email from

    user = User.get_by_username(author_name(author), case_insensitive=True,

                                cache=True)

    if user is not None:

        return user.email

    # No valid email, not a valid user in the system, none!

    return None

    # attr to return from fetched user

    person_getter = lambda usr: getattr(usr, show_attr)

    # if author is already an instance use it for extraction

    if isinstance(author, User):

        return person_getter(author)

    # Valid email in the attribute passed, see if they're in the system

    _email = email(author)

    if _email != '':

        user = User.get_by_email(_email, case_insensitive=True, cache=True)

        if user is not None:

            return person_getter(user)

    # Maybe it's a username?

    _author = author_name(author)

    user = User.get_by_username(_author, case_insensitive=True,

                                cache=True)

    if user is not None:

        return person_getter(user)

    # Still nothing?  Just pass back the author name if any, else the email

    return _author or _email

    # attr to return from fetched user

    person_getter = lambda usr: getattr(usr, show_attr)

    #maybe it's an ID ?

    if str(id_).isdigit() or isinstance(id_, int):

        id_ = int(id_)

        user = User.get(id_)

        if user is not None:

            return person_getter(user)

    return id_

def desc_stylize(value):

    """

    converts tags from value into html equivalent

    :param value:

    """

    if not value:

        return ''

    value = re.sub(r'\[see\ \=\>\ *([a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\]',

                   '<div class="metatag" tag="see">see =&gt; \\1 </div>', value)

    value = re.sub(r'\[license\ \=\>\ *([a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\]',

                   '<div class="metatag" tag="license"><a href="http:\/\/www.opensource.org/licenses/\\1">\\1</a></div>', value)

    value = re.sub(r'\[(requires|recommends|conflicts|base)\ \=\>\ *([a-zA-Z0-9\-\/]*)\]',

                   '<div class="metatag" tag="\\1">\\1 =&gt; <a href="/\\2">\\2</a></div>', value)

    value = re.sub(r'\[(lang|language)\ \=\>\ *([a-zA-Z\-\/\#\+]*)\]',

                   '<div class="metatag" tag="lang">\\2</div>', value)

    value = re.sub(r'\[([a-z]+)\]',

                  '<div class="metatag" tag="\\1">\\1</div>', value)

    return value

def boolicon(value):

    """Returns boolean value of a value, represented as small html image of true/false

    icons

    :param value: value

    """

    if value:

        return HTML.tag('i', class_="icon-ok-sign")

    else:

        return HTML.tag('i', class_="icon-minus-sign")

def action_parser(user_log, feed=False, parse_cs=False):

    """

    This helper will action_map the specified string action into translated

    fancy names with icons and links

    :param user_log: user log instance

    :param feed: use output for feeds (no html and fancy icons)

    :param parse_cs: parse Changesets into VCS instances

    """

    action = user_log.action

    action_params = ' '

    x = action.split(':')

    if len(x) > 1:

        action, action_params = x

    def get_cs_links():

        revs_limit = 3  # display this amount always

        revs_top_limit = 50  # show upto this amount of changesets hidden

        revs_ids = action_params.split(',')

        deleted = user_log.repository is None

        if deleted:

            return ','.join(revs_ids)

        repo_name = user_log.repository.repo_name

        def lnk(rev, repo_name):

            if isinstance(rev, BaseChangeset) or isinstance(rev, AttributeDict):

                lazy_cs = True

                if getattr(rev, 'op', None) and getattr(rev, 'ref_name', None):

                    lazy_cs = False

                    lbl = '?'

                    if rev.op == 'delete_branch':

                        lbl = '%s' % _('Deleted branch: %s') % rev.ref_name

                        title = ''

                    elif rev.op == 'tag':

                        lbl = '%s' % _('Created tag: %s') % rev.ref_name

                        title = ''

                    _url = '#'

                else:

                    lbl = '%s' % (rev.short_id[:8])

                    _url = url('changeset_home', repo_name=repo_name,

                               revision=rev.raw_id)

                    title = tooltip(rev.message)

            else:

<%def name="main()">

${self.repo_context_bar('changelog', c.changeset.raw_id)}

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <script>

    var _USERS_AC_DATA = ${c.users_array|n};

    var _GROUPS_AC_DATA = ${c.user_groups_array|n};

    AJAX_COMMENT_URL = "${url('changeset_comment',repo_name=c.repo_name,revision=c.changeset.raw_id)}";

    AJAX_COMMENT_DELETE_URL = "${url('changeset_comment_delete',repo_name=c.repo_name,comment_id='__COMMENT_ID__')}";

    </script>

    <div class="table">

        <div class="diffblock">

            <div class="parents">

                <div id="parent_link" class="changeset_hash">

                    <i style="color:#036185" class="icon-chevron-left"></i> <a href="#">${_('parent rev.')}</a>

                </div>

            </div>

            <div class="children">

                <div id="child_link" class="changeset_hash">

                    <a href="#">${_('child rev.')}</a> <i style="color:#036185" class="icon-chevron-right"></i>

                </div>

            </div>

            <div class="code-header banner">

                <div class="changeset-status-container">

                    %if c.statuses:

                        <div class="changeset-status-ico"><img src="${h.url('/images/icons/flag_status_%s.png' % c.statuses[0])}" /></div>

                        <div title="${_('Changeset status')}" class="changeset-status-lbl">[${h.changeset_status_lbl(c.statuses[0])}]</div>

                    %endif

                </div>

                <div class="diff-actions">

                  <a href="${h.url('changeset_raw_home',repo_name=c.repo_name,revision=c.changeset.raw_id)}"  class="tooltip" title="${h.tooltip(_('Raw diff'))}">

                      <img class="icon" src="${h.url('/images/icons/page_white.png')}"/>

                  </a>

                  <a href="${h.url('changeset_patch_home',repo_name=c.repo_name,revision=c.changeset.raw_id)}"  class="tooltip" title="${h.tooltip(_('Patch diff'))}">

                      <img class="icon" src="${h.url('/images/icons/page_add.png')}"/>

                  </a>

                  <a href="${h.url('changeset_download_home',repo_name=c.repo_name,revision=c.changeset.raw_id,diff='download')}" class="tooltip" title="${h.tooltip(_('Download diff'))}">

                      <img class="icon" src="${h.url('/images/icons/page_save.png')}"/>

                  </a>

                  ${c.ignorews_url(request.GET)}

                  ${c.context_url(request.GET)}

                </div>

                <div class="comments-number" style="float:right;padding-right:5px">${ungettext("%d comment", "%d comments", len(c.comments)) % len(c.comments)} ${ungettext("(%d inline)", "(%d inline)", c.inline_cnt) % c.inline_cnt}</div>

            </div>

        </div>

        <div id="changeset_content">

            <div class="container">

                <div class="right">

                    <div class="changes">

                        % if (len(c.changeset.affected_files) <= c.affected_files_cut_off) or c.fulldiff:

                         <span class="removed" title="${_('Removed')}">${len(c.changeset.removed)}</span>

                         <span class="changed" title="${_('Changed')}">${len(c.changeset.changed)}</span>

                         <span class="added" title="${_('Added')}">${len(c.changeset.added)}</span>

                        % else:

                         <span class="removed" title="${_('Affected %s files') % len(c.changeset.affected_files)}">!</span>

                         <span class="changed" title="${_('Affected %s files') % len(c.changeset.affected_files)}">!</span>

                         <span class="added"   title="${_('Affected %s files') % len(c.changeset.affected_files)}">!</span>

                        % endif

                    </div>

                    <span class="logtags">

                        %if len(c.changeset.parents)>1:

                        <span class="merge">${_('merge')}</span>

                        %endif

                        %if h.is_hg(c.db_repo_scm_instance):

                          %for book in c.changeset.bookmarks:

                          <span class="booktag" title="${_('Bookmark %s') % book}">

                             ${h.link_to(book,h.url('changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}

                          </span>

                          %endfor

                        %endif

                        %for tag in c.changeset.tags:

                         <span class="tagtag"  title="${_('Tag %s') % tag}">

                         ${h.link_to(tag,h.url('changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}</span>

                        %endfor

                        %if c.changeset.branch:

                         <span class="branchtag" title="${_('Branch %s') % c.changeset.branch}">

                         ${h.link_to(c.changeset.branch,h.url('changelog_home',repo_name=c.repo_name,branch=c.changeset.branch))}

                         </span>

                        %endif

                    </span>

                </div>

                <div class="left">

                     <div class="author">

                         <div class="gravatar">

                             <img alt="gravatar" src="${h.gravatar_url(h.email_or_none(c.changeset.author),20)}"/>

                         </div>

                         <span>${h.email_or_none(c.changeset.author)}</span><br/>

                     </div>

                     <div class="message">${h.urlify_commit(c.changeset.message, c.repo_name)}</div>

                </div>

            </div>

            <div class="changes_txt">

            % if c.limited_diff:

            ${ungettext('%s file changed','%s files changed',len(c.changeset.affected_files)) % (len(c.changeset.affected_files))}:

            % else:

            ${ungettext('%s file changed with %s insertions and %s deletions','%s files changed with %s insertions and %s deletions', len(c.changeset.affected_files)) % (len(c.changeset.affected_files),c.lines_added,c.lines_deleted)}:

            %endif

            </div>

            <div class="cs_files">

              %for FID, (cs1, cs2, change, path, diff, stats) in c.changes[c.changeset.raw_id].iteritems():

                  <div class="cs_${change}">

                        <div class="node">

                            <a href="#${FID}">${h.safe_unicode(path)}</a>

                        </div>

                    <div class="changes">${h.fancy_file_stats(stats)}</div>

                  </div>

              %endfor

              % if c.limited_diff:

                <h5>${_('Changeset was too big and was cut off...')} <a href="${h.url.current(fulldiff=1, **request.GET.mixed())}">${_('Show full diff anyway')}</a></h5>

              % endif

            </div>

        </div>

    </div>

    ## diff block

    <%namespace name="diff_block" file="/changeset/diff_block.html"/>

    ${diff_block.diff_block(c.changes[c.changeset.raw_id])}

    % if c.limited_diff:

      <h4>${_('Changeset was too big and was cut off...')} <a href="${h.url.current(fulldiff=1, **request.GET.mixed())}">${_('Show full diff anyway')}</a></h4>

    % endif

    ## template for inline comment form

    <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>

    ${comment.comment_inline_form()}

    ## render comments and inlines

    ${comment.generate_comments()}

    ## main comment form and it status

    ${comment.comments(h.url('changeset_comment', repo_name=c.repo_name, revision=c.changeset.raw_id),

                       h.changeset_status(c.db_repo, c.changeset.raw_id))}

    ## FORM FOR MAKING JS ACTION AS CHANGESET COMMENTS

    <script type="text/javascript">

      YUE.onDOMReady(function(){

          YUE.on(YUQ('.show-inline-comments'),'change',function(e){

              var show = 'none';

              var target = e.currentTarget;

              if(target == null){

                  target = this;

              }

              if(target.checked){

                  var show = ''

              }

              var boxid = YUD.getAttribute(target,'id_for');

              var comments = YUQ('#{0} .inline-comments'.format(boxid));

              for(c in comments){

                 YUD.setStyle(comments[c],'display',show);

              }

              var btns = YUQ('#{0} .inline-comments-button'.format(boxid));

              for(c in btns){

                  YUD.setStyle(btns[c],'display',show);

               }

          })

          YUE.on(YUQ('.line'),'click',function(e){

              var tr = e.currentTarget;

              if(tr == null){

                  tr = this;

              }

              injectInlineForm(tr);

          });

          // inject comments into they proper positions

          var file_comments = YUQ('.inline-comment-placeholder');

          renderInlineComments(file_comments);

          pyroutes.register('changeset_home',

                            "${h.url('changeset_home', repo_name='%(repo_name)s', revision='%(revision)s')}",

                            ['repo_name', 'revision']);

          //next links

          $('#child_link').on('click', function(e){

              //fetch via ajax what is going to be the next link, if we have

              //>1 links show them to user to choose

              if(!$('#child_link').hasClass('disabled')){

                  $.ajax({

                    url: '${h.url('changeset_children',repo_name=c.repo_name, revision=c.changeset.raw_id)}',

                    success: function(data) {

                      if(data.results.length === 0){

    def test_create_missing_description(self):

        self.log_user()

        response = self.app.post(url('gists'),

                                 params={'lifetime': -1}, status=200)

        response.mustcontain('Missing value')

    def test_create(self):

        self.log_user()

        response = self.app.post(url('gists'),

                                 params={'lifetime': -1,

                                         'content': 'gist test',

                                         'filename': 'foo',

                                         'public': 'public'},

                                 status=302)

        response = response.follow()

        response.mustcontain('added file: foo')

        response.mustcontain('gist test')

        response.mustcontain('<div class="btn btn-mini btn-success disabled">Public Gist</div>')

    def test_create_with_path_with_dirs(self):

        self.log_user()

        response = self.app.post(url('gists'),

                                 params={'lifetime': -1,

                                         'content': 'gist test',

                                         'filename': '/home/foo',

                                         'public': 'public'},

                                 status=200)

        response.mustcontain('Filename cannot be inside a directory')

    def test_access_expired_gist(self):

        self.log_user()

        gist = _create_gist('never-see-me')

        gist.gist_expires = 0  # 1970

        Session().add(gist)

        Session().commit()

        response = self.app.get(url('gist', gist_id=gist.gist_access_id), status=404)

    def test_create_private(self):

        self.log_user()

        response = self.app.post(url('gists'),

                                 params={'lifetime': -1,

                                         'content': 'private gist test',

                                         'filename': 'private-foo',

                                         'private': 'private'},

                                 status=302)

        response = response.follow()

        response.mustcontain('added file: private-foo<')

        response.mustcontain('private gist test')

        response.mustcontain('<div class="btn btn-mini btn-warning disabled">Private Gist</div>')

    def test_create_with_description(self):

        self.log_user()

        response = self.app.post(url('gists'),

                                 params={'lifetime': -1,

                                         'content': 'gist test',

                                         'filename': 'foo-desc',

                                         'description': 'gist-desc',

                                         'public': 'public'},

                                 status=302)

        response = response.follow()

        response.mustcontain('added file: foo-desc')

        response.mustcontain('gist test')

        response.mustcontain('gist-desc')

        response.mustcontain('<div class="btn btn-mini btn-success disabled">Public Gist</div>')

    def test_new(self):

        self.log_user()

        response = self.app.get(url('new_gist'))

    def test_update(self):

        self.skipTest('not implemented')

        response = self.app.put(url('gist', gist_id=1))

    def test_delete(self):

        self.log_user()

        gist = _create_gist('delete-me')

        response = self.app.delete(url('gist', gist_id=gist.gist_id))

        self.checkSessionFlash(response, 'Deleted gist %s' % gist.gist_id)

    def test_delete_normal_user_his_gist(self):

        self.log_user(TEST_USER_REGULAR_LOGIN, TEST_USER_REGULAR_PASS)

        gist = _create_gist('delete-me', owner=TEST_USER_REGULAR_LOGIN)

        response = self.app.delete(url('gist', gist_id=gist.gist_id))

        self.checkSessionFlash(response, 'Deleted gist %s' % gist.gist_id)

    def test_delete_normal_user_not_his_own_gist(self):

        self.log_user(TEST_USER_REGULAR_LOGIN, TEST_USER_REGULAR_PASS)

        gist = _create_gist('delete-me')

        response = self.app.delete(url('gist', gist_id=gist.gist_id), status=403)

    def test_show(self):

        gist = _create_gist('gist-show-me')

        response = self.app.get(url('gist', gist_id=gist.gist_access_id))

        response.mustcontain('added file: gist-show-me<')

        response.mustcontain('gist-desc')

        response.mustcontain('<div class="btn btn-mini btn-success disabled">Public Gist</div>')

    def test_show_as_raw(self):

        gist = _create_gist('gist-show-me', content='GIST CONTENT')

        response = self.app.get(url('formatted_gist',

                                    gist_id=gist.gist_access_id, format='raw'))

        self.assertEqual(response.body, 'GIST CONTENT')

    def test_show_as_raw_individual_file(self):

        gist = _create_gist('gist-show-me-raw', content='GIST BODY')

        response = self.app.get(url('formatted_gist_file',

                                    gist_id=gist.gist_access_id, format='raw',

                                    revision='tip', f_path='gist-show-me-raw'))

        self.assertEqual(response.body, 'GIST BODY')

    def test_edit(self):

        response = self.app.get(url('edit_gist', gist_id=1))