英文:
understanding python string
问题
"strip()|string" 部分的作用是什么？
我正在尝试理解现有的代码，我是新手。
英文:
I have an existing code that I am trying to understand.
"QUANTITY_THRESHOLD": {{ '"'+inputs['QUANTITY_THRESHOLD'].strip()|string+'"' if inputs['QUANTITY_THRESHOLD'] is not none else '""' }},
What will strip()|string part in the above do here ?
I am new to python
答案1
得分: -1
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对于 inputs['QUANTITY_THRESHOLD'] 的值，strip() 方法会移除任何前导或尾随的空白。
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管道符 | 用于对前一操作的结果应用过滤器。
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字符串过滤器将 .strip() 方法的结果转换为其字符串表示形式。这确保即使 .strip() 的结果是一个数字或任何其他数据类型，它都会在使用之前转换为字符串。
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条件语句的目的是确保 "QUANTITY_THRESHOLD" 字段被设置为有效值。如果 inputs['QUANTITY_THRESHOLD'] 为 None，它将被设置为空字符串("")，如果它有一个值，它将被清理、转换为字符串，并在开头和结尾添加双引号。
英文:
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The strip() method on the value of inputs['QUANTITY_THRESHOLD'] removes any leading or trailing whitespace.
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The pipe symbol | is used to apply a filter to the result of the previous operation.
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The string filter converts the result of the .strip() method to its string representation. This ensures that even if the result of .strip() is a number or any other data type, it will be converted to a string before being used.
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The purpose of the conditional statement is to ensure that the "QUANTITY_THRESHOLD" field is set to a valid value. If inputs['QUANTITY_THRESHOLD'] is None, it will be set to an empty string (""), and if it has a value, it will be cleaned up, converted to a string, and have a double quotation mark added in the beginning and the end.
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