def new(self, format='html'):

        """GET /repos/new: Form to create a new item"""

        new_repo = request.GET.get('repo', '')

        c.new_repo = repo_name_slug(new_repo)

        self.__load_defaults()

        return render('admin/repos/repo_add.html')

    @HasPermissionAllDecorator('hg.admin')

    def update(self, repo_name):

        """

        PUT /repos/repo_name: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repo', repo_name=ID),

        #           method='put')

        # url('repo', repo_name=ID)

        self.__load_defaults()

        repo_model = RepoModel()

        changed_name = repo_name

        _form = RepoForm(edit=True, old_data={'repo_name': repo_name},

                         repo_groups=c.repo_groups_choices)()

        try:

            form_result = _form.to_python(dict(request.POST))

            repo = repo_model.update(repo_name, form_result)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('Repository %s updated successfully' % repo_name),

                    category='success')

            changed_name = repo.repo_name

            action_logger(self.rhodecode_user, 'admin_updated_repo',

                              changed_name, '', self.sa)

            Session.commit()

        except formencode.Invalid, errors:

            defaults = self.__load_data(repo_name)

            defaults.update(errors.value)

            return htmlfill.render(

                render('admin/repos/repo_edit.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of repository %s') \

                    % repo_name, category='error')

        return redirect(url('edit_repo', repo_name=changed_name))

    @HasPermissionAllDecorator('hg.admin')

    def delete(self, repo_name):

        """

        DELETE /repos/repo_name: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repo', repo_name=ID),

        #           method='delete')

        # url('repo', repo_name=ID)

        repo_model = RepoModel()

        repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

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

                      ' it was moved or renamed  from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('repos'))

        try:

            action_logger(self.rhodecode_user, 'admin_deleted_repo',

                              repo_name, '', self.sa)

            repo_model.delete(repo)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('deleted repository %s') % repo_name, category='success')

            Session.commit()

        except IntegrityError, e:

            if e.message.find('repositories_fork_id_fkey') != -1:

                log.error(traceback.format_exc())

                h.flash(_('Cannot delete %s it still contains attached '

                          'forks') % repo_name,

                        category='warning')

            else:

                log.error(traceback.format_exc())

                h.flash(_('An error occurred during '

                          'deletion of %s') % repo_name,

                        category='error')

        except Exception, e:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during deletion of %s') % repo_name,

                    category='error')

        return redirect(url('repos'))

    def delete_perm_user(self, repo_name):

        """

        DELETE an existing repository permission user

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_user(request.POST, repo_name)

            Session.commit()

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository user'),

                    category='error')

            raise HTTPInternalServerError()

    @HasRepoPermissionAllDecorator('repository.admin')

    def delete_perm_users_group(self, repo_name):

        """

        DELETE an existing repository permission users group

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_users_group(request.POST, repo_name)

            Session.commit()

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository'

                      ' users groups'),

                    category='error')

            raise HTTPInternalServerError()

    @HasPermissionAllDecorator('hg.admin')

    def repo_stats(self, repo_name):

        """

        DELETE an existing repository statistics

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_stats(repo_name)

            Session.commit()

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository stats'),

                    category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_cache(self, repo_name):

        """

        INVALIDATE existing repository cache

        :param repo_name:

        """

        try:

            ScmModel().mark_for_invalidation(repo_name)

            Session.commit()

        except Exception, e:

            h.flash(_('An error occurred during cache invalidation'),

                    category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_public_journal(self, repo_name):

        """

        Set's this repository to be visible in public journal,

        in other words assing default user to follow this repo

        :param repo_name:

        """

        cur_token = request.POST.get('auth_token')

        token = get_token()

        if cur_token == token:

            try:

                repo_id = Repository.get_by_repo_name(repo_name).repo_id

                user_id = User.get_by_username('default').user_id

                self.scm_model.toggle_following_repo(repo_id, user_id)

                h.flash(_('Updated repository visibility in public journal'),

                        category='success')

                Session.commit()

            except:

                h.flash(_('An error occurred during setting this'

                          ' repository in public journal'),

                        category='error')

        else:

            h.flash(_('Token mismatch'), category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_pull(self, repo_name):

def normalize_header(header):

    return string.capwords(header.lower(), '-')

class EncodingError(Exception):

    """Thrown when there is an encoding error."""

    pass

class MailBase(object):

    """MailBase is used as the basis of lamson.mail and contains the basics of

    encoding an email.  You actually can do all your email processing with this

    class, but it's more raw.

    """

    def __init__(self, items=()):

        self.headers = dict(items)

        self.parts = []

        self.body = None

        self.content_encoding = {'Content-Type': (None, {}),

                                 'Content-Disposition': (None, {}),

                                 'Content-Transfer-Encoding': (None, {})}

    def __getitem__(self, key):

        return self.headers.get(normalize_header(key), None)

    def __len__(self):

        return len(self.headers)

    def __iter__(self):

        return iter(self.headers)

    def __contains__(self, key):

        return normalize_header(key) in self.headers

    def __setitem__(self, key, value):

        self.headers[normalize_header(key)] = value

    def __delitem__(self, key):

        del self.headers[normalize_header(key)]

    def __nonzero__(self):

        return self.body != None or len(self.headers) > 0 or len(self.parts) > 0

    def keys(self):

        """Returns the sorted keys."""

        return sorted(self.headers.keys())

    def attach_file(self, filename, data, ctype, disposition):

        """

        A file attachment is a raw attachment with a disposition that

        indicates the file name.

        """

        assert filename, "You can't attach a file without a filename."

        ctype = ctype.lower()

        part = MailBase()

        part.body = data

        part.content_encoding['Content-Type'] = (ctype, {'name': filename})

        part.content_encoding['Content-Disposition'] = (disposition,

                                                        {'filename': filename})

        self.parts.append(part)

    def attach_text(self, data, ctype):

        """

        This attaches a simpler text encoded part, which doesn't have a

        filename.

        """

        ctype = ctype.lower()

        part = MailBase()

        part.body = data

        part.content_encoding['Content-Type'] = (ctype, {})

        self.parts.append(part)

    def walk(self):

        for p in self.parts:

            yield p

            for x in p.walk():

                yield x

class MailResponse(object):

    """

    You are given MailResponse objects from the lamson.view methods, and

    whenever you want to generate an email to send to someone.  It has the

    same basic functionality as MailRequest, but it is designed to be written

    to, rather than read from (although you can do both).

    You can easily set a Body or Html during creation or after by passing it

    as __init__ parameters, or by setting those attributes.

    You can initially set the From, To, and Subject, but they are headers so

    use the dict notation to change them: msg['From'] = 'joe@test.com'.

    The message is not fully crafted until right when you convert it with

    MailResponse.to_message.  This lets you change it and work with it, then

    send it out when it's ready.

    """

                 separator="; "):

        self.Body = Body

        self.Html = Html

        self.base = MailBase([('To', To), ('From', From), ('Subject', Subject)])

        self.multipart = self.Body and self.Html

        self.attachments = []

        self.separator = separator

    def __contains__(self, key):

        return self.base.__contains__(key)

    def __getitem__(self, key):

        return self.base.__getitem__(key)

    def __setitem__(self, key, val):

        return self.base.__setitem__(key, val)

    def __delitem__(self, name):

        del self.base[name]

    def attach(self, filename=None, content_type=None, data=None,

               disposition=None):

        """

        Simplifies attaching files from disk or data as files.  To attach

        simple text simple give data and a content_type.  To attach a file,

        give the data/content_type/filename/disposition combination.

        For convenience, if you don't give data and only a filename, then it

        will read that file's contents when you call to_message() later.  If

        you give data and filename then it will assume you've filled data

        with what the file's contents are and filename is just the name to

        use.

        """

        assert filename or data, ("You must give a filename or some data to "

                                  "attach.")

        assert data or os.path.exists(filename), ("File doesn't exist, and no "

                                                  "data given.")

        self.multipart = True

        if filename and not content_type:

            content_type, encoding = mimetypes.guess_type(filename)

        assert content_type, ("No content type given, and couldn't guess "

                              "from the filename: %r" % filename)

        self.attachments.append({'filename': filename,

                                 'content_type': content_type,

                                 'data': data,

                                 'disposition': disposition,})

    def attach_part(self, part):

        """

        Attaches a raw MailBase part from a MailRequest (or anywhere)

        so that you can copy it over.

        """

        self.multipart = True

        self.attachments.append({'filename': None,

                                 'content_type': None,

                                 'data': None,

                                 'disposition': None,

                                 'part': part,

                                 })

    def attach_all_parts(self, mail_request):

        """

        Used for copying the attachment parts of a mail.MailRequest

        object for mailing lists that need to maintain attachments.

        """

        for part in mail_request.all_parts():

            self.attach_part(part)

        self.base.content_encoding = mail_request.base.content_encoding.copy()

    def clear(self):

        """

        Clears out the attachments so you can redo them.  Use this to keep the

        headers for a series of different messages with different attachments.

        """

        del self.attachments[:]

        del self.base.parts[:]

        self.multipart = False

    def update(self, message):

        """

        Used to easily set a bunch of heading from another dict

        like object.

        """

        for k in message.keys():

            self.base[k] = message[k]

    def __str__(self):

        """