我正尝试使用Brightway将ecoinvent 3.5临界值导入一个项目,并具有以下内容:
if 'ecoinvent 3.5 cutoff' not in databases:
ei35cutofflink=r"H:\Data\ecoinvent 3.5_cutoff_lci_ecoSpold02\datasets"
ei35cutoff=SingleOutputEcospold2Importer(ei35cutofflink, 'ecoinvent 3.5 cutoff')
ei35cutoff.apply_strategies()
ei35cutoff.statistics()
ei35cutoff.write_database()
但是我遇到了以下错误。看起来问题不是与Brightway有关,而是多处理或泡菜?我不明白错误消息的含义。
---------------------------------------------------------------------------
MaybeEncodingError Traceback (most recent call last)
<ipython-input-4-f9acb2bc0c84> in <module>
1 if 'ecoinvent 3.5 cutoff' not in databases:
2 ei35cutofflink=r"H:\Data\ecoinvent 3.5_cutoff_lci_ecoSpold02\datasets"
----> 3 ei35cutoff=SingleOutputEcospold2Importer(ei35cutofflink, 'ecoinvent 3.5 cutoff')
4 ei35cutoff.apply_strategies()
5 ei35cutoff.statistics()
C:\miniconda3_py37\envs\ab\lib\site-packages\bw2io\importers\ecospold2.py in __init__(self, dirpath, db_name, extractor, use_mp, signal)
63 start = time()
64 try:
---> 65 self.data = extractor.extract(dirpath, db_name, use_mp=use_mp)
66 except RuntimeError as e:
67 raise MultiprocessingError('Multiprocessing error; re-run using `use_mp=False`'
C:\miniconda3_py37\envs\ab\lib\site-packages\bw2io\extractors\ecospold2.py in extract(cls, dirpath, db_name, use_mp)
91 ) for x in filelist
92 ]
---> 93 data = [p.get() for p in results]
94 else:
95 pbar = pyprind.ProgBar(len(filelist), title="Extracting ecospold2 files:", monitor=True)
C:\miniconda3_py37\envs\ab\lib\site-packages\bw2io\extractors\ecospold2.py in <listcomp>(.0)
91 ) for x in filelist
92 ]
---> 93 data = [p.get() for p in results]
94 else:
95 pbar = pyprind.ProgBar(len(filelist), title="Extracting ecospold2 files:", monitor=True)
C:\miniconda3_py37\envs\ab\lib\multiprocessing\pool.py in get(self, timeout)
655 return self._value
656 else:
--> 657 raise self._value
658
659 def _set(self, i, obj):
MaybeEncodingError: Error sending result: '<multiprocessing.pool.ExceptionWithTraceback object at 0x000001D257C55358>'. Reason: 'TypeError("can't pickle lxml.etree._ListErrorLog objects")'```
答案 0 :(得分:1)
Use可以使用use_mp=False
来了解实际的错误是什么(而不是该错误不是可腌制的,这会引发一个单独的错误)。在这种情况下,我认为您的数据文件夹有问题,您可以通过删除数据文件夹并再次下载或解压缩来解决。