Question

我从pandas lib得到解析器错误...不确定是什么问题。

Traceback (most recent call last):
  File "C:/2020/python-nifi/test.py", line 4, in <module>
    df = pd.read_csv("C:\\2020\\test\\sum.csv", '\t')
  File "C:\2020\python-nifi\venv\lib\site-packages\pandas\io\parsers.py", line 676, in parser_f
    return _read(filepath_or_buffer, kwds)
  File "C:\2020\python-nifi\venv\lib\site-packages\pandas\io\parsers.py", line 454, in _read
    data = parser.read(nrows)
  File "C:\2020\python-nifi\venv\lib\site-packages\pandas\io\parsers.py", line 1133, in read
    ret = self._engine.read(nrows)
  File "C:\2020\python-nifi\venv\lib\site-packages\pandas\io\parsers.py", line 2037, in read
    data = self._reader.read(nrows)
  File "pandas\_libs\parsers.pyx", line 860, in pandas._libs.parsers.TextReader.read
  File "pandas\_libs\parsers.pyx", line 875, in pandas._libs.parsers.TextReader._read_low_memory
  File "pandas\_libs\parsers.pyx", line 929, in pandas._libs.parsers.TextReader._read_rows
  File "pandas\_libs\parsers.pyx", line 916, in pandas._libs.parsers.TextReader._tokenize_rows
  File "pandas\_libs\parsers.pyx", line 2071, in pandas._libs.parsers.raise_parser_error
pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 5, saw 4



import pandas as pd


df = pd.read_csv("C:\\2020\\test\\sum.csv", sep='\t')
print(df)

试图读取的文件是...

enter image description here

Answer 1

如果您使用df = pd.read_csv("filename", sep='[:,|_]',engine='python' )？您可以在导入时使用多个分隔符。

Answer 2

此错误是由于编码错误引起的：

尝试一下：

df = pd.read_csv('filename', encoding='utf-8')

无法读取csv文件，熊猫解析器错误

2 个答案: