group_description = v.UnicodeString(strip=True, min=1,

                                            not_empty=False)

        group_copy_permissions = v.StringBoolean(if_missing=False)

        if edit:

            #FIXME: do a special check that we cannot move a group to one of

            #its children

            pass

        group_parent_id = All(v.CanCreateGroup(can_create_in_root),

                              v.OneOf(available_groups, hideList=False,

                                      testValueList=True,

                                      if_missing=None, not_empty=True))

        enable_locking = v.StringBoolean(if_missing=False)

        chained_validators = [v.ValidRepoGroup(edit, old_data)]

    return _RepoGroupForm

def RegisterForm(edit=False, old_data={}):

    class _RegisterForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = True

        username = All(

            v.ValidUsername(edit, old_data),

            v.UnicodeString(strip=True, min=1, not_empty=True)

        )

        password = All(

            v.ValidPassword(),

            v.UnicodeString(strip=False, min=6, not_empty=True)

        )

        password_confirmation = All(

            v.ValidPassword(),

            v.UnicodeString(strip=False, min=6, not_empty=True)

        )

        active = v.StringBoolean(if_missing=False)

        firstname = v.UnicodeString(strip=True, min=1, not_empty=False)

        lastname = v.UnicodeString(strip=True, min=1, not_empty=False)

        email = All(v.Email(not_empty=True), v.UniqSystemEmail(old_data))

        chained_validators = [v.ValidPasswordsMatch()]

    return _RegisterForm

def PasswordResetForm():

    class _PasswordResetForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = True

    return _PasswordResetForm

def RepoForm(edit=False, old_data={}, supported_backends=BACKENDS.keys(),

             repo_groups=[], landing_revs=[]):

    class _RepoForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

        repo_name = All(v.UnicodeString(strip=True, min=1, not_empty=True),

                        v.SlugifyName())

        repo_group = All(v.CanWriteGroup(old_data),

                         v.OneOf(repo_groups, hideList=True))

        repo_type = v.OneOf(supported_backends, required=False,

                            if_missing=old_data.get('repo_type'))

        repo_description = v.UnicodeString(strip=True, min=1, not_empty=False)

        repo_private = v.StringBoolean(if_missing=False)

        repo_landing_rev = v.OneOf(landing_revs, hideList=True)

        repo_copy_permissions = v.StringBoolean(if_missing=False)

        clone_uri = All(v.UnicodeString(strip=True, min=1, not_empty=False))

        repo_enable_statistics = v.StringBoolean(if_missing=False)

        repo_enable_downloads = v.StringBoolean(if_missing=False)

        repo_enable_locking = v.StringBoolean(if_missing=False)

        if edit:

            #this is repo owner

            user = All(v.UnicodeString(not_empty=True), v.ValidRepoUser())

            clone_uri_change = v.UnicodeString(not_empty=False, if_missing=v.Missing)

        chained_validators = [v.ValidCloneUri(),

                              v.ValidRepoName(edit, old_data)]

    return _RepoForm

def RepoPermsForm():

    class _RepoPermsForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

        chained_validators = [v.ValidPerms(type_='repo')]

    return _RepoPermsForm

def RepoGroupPermsForm(valid_recursive_choices):

    class _RepoGroupPermsForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

        recursive = v.OneOf(valid_recursive_choices)

        chained_validators = [v.ValidPerms(type_='repo_group')]