成功解決RuntimeError: Decompression 'SNAPPY' not available. ?Options: ['GZIP', 'UNCOMPRESSED']

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目錄

解決問題

解決思路

解決方法

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解決問題

D:\ProgramData\Anaconda3\python.exe E:/Python_Program/0925KBQNodel/抗辯期模型_v01_1105.py
Traceback (most recent call last):
? File "E:/Python_Program/0925KBQNodel/抗辯期模型_v01_1105.py", line 31, in <module>
? ? df = pd.read_parquet('./data_contest_20201022_sample.parquet')
? File "D:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parquet.py", line 317, in read_parquet
? ? return impl.read(path, columns=columns, **kwargs)
? File "D:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parquet.py", line 212, in read
? ? return parquet_file.to_pandas(columns=columns, **kwargs)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\api.py", line 399, in to_pandas
? ? index=index, assign=parts)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\api.py", line 228, in read_row_group
? ? scheme=self.file_scheme)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\core.py", line 355, in read_row_group
? ? cats, selfmade, assign=assign)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\core.py", line 332, in read_row_group_arrays
? ? catdef=out.get(name+'-catdef', None))
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\core.py", line 199, in read_col
? ? dic = read_dictionary_page(infile, schema_helper, ph, cmd)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\core.py", line 157, in read_dictionary_page
? ? raw_bytes = _read_page(file_obj, page_header, column_metadata)
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\core.py", line 25, in _read_page
? ? column_metadata.codec,
? File "D:\ProgramData\Anaconda3\lib\site-packages\fastparquet\compression.py", line 128, in decompress_data
? ? (algorithm.upper(), sorted(decompressions)))
RuntimeError: Decompression 'SNAPPY' not available. ?Options: ['GZIP', 'UNCOMPRESSED']

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解決思路

運行時錯誤:解壓“SNAPPY”不可用。選擇:(GZIP,“壓縮”)

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解決方法

pip install python-snappy
pip install pyarrow
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple python-snappy
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pyarrow

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哈哈，大功告成！

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