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TypeError - read csv functionality(TypeError-读取CSV功能)

转载 作者:bug小助手 更新时间:2023-10-25 09:59:26 30 4
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I am getting a Type error when reading a csv file with a bell character as a separator. I don't want to use the pandas and need to utilize the csv libraries for this issue.

读取以钟形字符作为分隔符的CSV文件时,出现类型错误。我不想使用熊猫,我需要使用CSV库来解决这个问题。


Sample header:

示例标题:


["header1", "header2", "header3"]

Data types

数据类型


[integer, string, integer]

Sample data:

样本数据:


"2198"^G"data"^G"x"
"2199"^G"data2"^G"y"
"2198"^G"data3"^G"z"

Sample code

示例代码


def main():
columns = ['col1', 'col2', 'col3']
try:
csv_dict_list = []
with open("bell.csv", "r") as file:
reader = csv.DictReader(file, delimiter=r'\a', quoting=csv.QUOTE_ALL, skipinitialspace=True, fieldnames=columns)
for row in reader:
print(row)
csv_dict_list.append(row)
except Exception as e:
raise Exception("Unable to read file: %s" % e)

I get this error -

我明白这个错误-


TypeError: "delimiter" must be a 1-character string

Bell character reference - https://www.asciihex.com/character/control/7/0x07/bel-bell-alert

铃声字符参考-https://www.asciihex.com/character/control/7/0x07/bel-bell-alert


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优秀答案推荐

you're using the raw prefix for your \a delimiter, which makes it 2 characters (backslash, then a)

您使用了原始前缀作为您的\a分隔符,这使其成为2个字符(反斜杠,然后是a)


You need to just use delimiter='\a', 1 character, the one which is needed to separate the fields.

您只需要使用DELIMITER=‘\a’,1个字符,这是分隔字段所需的字符。


>>> len(r'\a')
2
>>> len('\a')
1
>>>

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