decorators.py 文件源码

def set_project_resource(request, path_obj, dir_path, filename):
    """Loads :cls:`pootle_app.models.Directory` and
    :cls:`pootle_store.models.Store` models and populates the
    request object.

    This is the same as `set_resource` but operates at the project level
    across all languages.

    :param path_obj: A :cls:`pootle_project.models.Project` object.
    :param dir_path: Path relative to the root of `path_obj`.
    :param filename: Optional filename.
    """
    query_ctx_path = ''.join(['/%/', path_obj.code, '/'])
    query_pootle_path = query_ctx_path + dir_path

    obj_directory = getattr(path_obj, 'directory', path_obj)
    ctx_path = obj_directory.pootle_path
    resource_path = dir_path
    pootle_path = ctx_path + dir_path

    # List of TP paths available for user
    user_tps = TranslationProject.objects.for_user(request.user)
    user_tps = user_tps.filter(
        project__code=path_obj.code,
    ).values_list('pootle_path', flat=True)
    user_tps_regex = '^%s' % u'|'.join(list(user_tps))
    sql_regex = 'REGEXP'
    if connection.vendor == 'postgresql':
        sql_regex = '~'

    if filename:
        query_pootle_path = query_pootle_path + filename
        pootle_path = pootle_path + filename
        resource_path = resource_path + filename

        resources = Store.objects.live().extra(
            where=[
                'pootle_store_store.pootle_path LIKE %s',
                'pootle_store_store.pootle_path ' + sql_regex + ' %s',
            ], params=[query_pootle_path, user_tps_regex]
        ).select_related('translation_project__language')
    else:
        resources = Directory.objects.live().extra(
            where=[
                'pootle_app_directory.pootle_path LIKE %s',
                'pootle_app_directory.pootle_path ' + sql_regex + ' %s',
            ], params=[query_pootle_path, user_tps_regex]
        ).select_related('parent')

    if not resources.exists():
        raise Http404

    request.store = None
    request.directory = None
    request.pootle_path = pootle_path

    request.resource_obj = ProjectResource(resources, pootle_path)
    request.resource_path = resource_path
    request.ctx_obj = path_obj or request.resource_obj
    request.ctx_path = ctx_path