)

            password_confirmation = All(

                v.ValidPassword(),

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

            )

        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))

        extern_name = v.UnicodeString(strip=True)

        extern_type = v.UnicodeString(strip=True)

        chained_validators = [v.ValidPasswordsMatch()]

    return _UserForm

def UserGroupForm(edit=False, old_data={}, available_members=[]):

    class _UserGroupForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = True

        users_group_name = All(

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

            v.ValidUserGroup(edit, old_data)

        )

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

                                                 not_empty=False)

        users_group_active = v.StringBoolean(if_missing=False)

        if edit:

            users_group_members = v.OneOf(

                available_members, hideList=False, testValueList=True,

                if_missing=None, not_empty=False

            )

    return _UserGroupForm

def RepoGroupForm(edit=False, old_data={}, available_groups=[],

                   can_create_in_root=False):

    class _RepoGroupForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

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

                         v.SlugifyName(),

                         v.ValidRegex(msg=_('Name must not contain only digits'))(r'(?!^\d+$)^.+$'))

        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')]

    return _RepoGroupPermsForm

def UserGroupPermsForm():

    class _UserPermsForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

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

    return _UserPermsForm

def RepoFieldForm():

    class _RepoFieldForm(formencode.Schema):

        filter_extra_fields = True

        allow_extra_fields = True

        new_field_key = All(v.FieldKey(),

                            v.UnicodeString(strip=True, min=3, not_empty=True))

        new_field_value = v.UnicodeString(not_empty=False, if_missing='')

        new_field_type = v.OneOf(['str', 'unicode', 'list', 'tuple'],

                                 if_missing='str')

        new_field_label = v.UnicodeString(not_empty=False)

        new_field_desc = v.UnicodeString(not_empty=False)

    return _RepoFieldForm

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

                 repo_groups=[], landing_revs=[]):

    class _RepoForkForm(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(),

                         v.OneOf(repo_groups, hideList=True))

        repo_type = All(v.ValidForkType(old_data), v.OneOf(supported_backends))

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

        private = v.StringBoolean(if_missing=False)

        copy_permissions = v.StringBoolean(if_missing=False)

        update_after_clone = v.StringBoolean(if_missing=False)

        fork_parent_id = v.UnicodeString()

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

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

    return _RepoForkForm