Exiobase Hybrid 3导入报错缺失datapackage.json：求内容规范与获取渠道

环境版本 #

• bw2data 4.0.dev18
• bw2io 0.9.dev10

运行代码 #

import bw2io as bi
ebhyb3 = bi.Exiobase3HybridImporter(dirpath_ebhyb3, db_name='EXIOBASE 3.3.17 hybrid')

报错信息 #

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
c:\Users\dfont\CONSTRUCIA S.L\LCSA - General\Code\test.py in line 1
----> 210 ebhyb3 = bi.Exiobase3HybridImporter(dirpath_ebhyb3, db_name='EXIOBASE 3.3.17 hybrid')

File c:\Users\dfont\Anaconda3\envs\bw25\Lib\site-packages\bw2io\importers\exiobase3_hybrid.py:26, in Exiobase3HybridImporter.__init__(self, dirpath, db_name)
     23 self.dirpath = Path(dirpath)
     24 self.db_name = db_name
---> 26 activities = mrio_common_metadata.get_metadata_resource(
     27     self.dirpath, "activities"
     28 )
     29 products = mrio_common_metadata.get_metadata_resource(self.dirpath, "products")
     31 product_to_activities = {i["id"]: j["id"] for i, j in zip(products, activities)}

File c:\Users\dfont\Anaconda3\envs\bw25\Lib\site-packages\mrio_common_metadata\__init__.py:40, in get_metadata_resource(dirpath, resource_name)
     39 def get_metadata_resource(dirpath, resource_name):
---> 40     resource = _get_resource(dirpath, resource_name)
     41     names = [f["name"] for f in resource["schema"]["fields"]]
     42     data = load_compressed_csv(Path(dirpath) / resource["path"])

File c:\Users\dfont\Anaconda3\envs\bw25\Lib\site-packages\mrio_common_metadata\__init__.py:22, in _get_resource(dirpath, resource_name)
     21 def _get_resource(dirpath, resource_name):
---> 22     resources = _get_resources(dirpath)
     23     assert len([r for r in resources if r["name"] == resource_name]) == 1
     24     return next(r for r in resources if r["name"] == resource_name)
...
     11     dirpath = Path(dirpath)
---> 12     assert (dirpath / "datapackage.json").is_file()
     13     return dirpath

AssertionError: 

相关说明 #

datapackage.json: 遵循datapackage标准的JSON文件，包含预采样数据的元信息。这是预采样目录中唯一必需的文件。

咨询内容 #

• datapackage.json文件具体需要包含哪些信息？
• 该文件可以从何处获取？

内容的提问来源于stack exchange，提问作者David