cas-bigdatalab/piflow/data-type-converter

Name: data-type-converter
Author: cas-bigdatalab

Claude Code and agent skill by cas-bigdatalab/piflow

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By cas-bigdatalab
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cas-bigdatalab/piflow
workspace/skills/data_type_converter/SKILL.md
Updated 23 Oct 2026
Version 1.0.01 version recorded

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数据类型转换工具。转换数据字段的类型，支持数值、字符串、日期等类型互转。当用户提到类型转换、数据格式转换、字段类型修改等需求时使用此skill。即使用户没有明确说出"类型转换"，只要任务涉及改变字段的数据类型，就应该使用此skill。

Install

npx vskill@latest install cas-bigdatalab/piflow/data-type-converter

SKILL.md

The same SKILL.md was published earlier as majiayu000/claude-skill-registry/data-type-converter.

Data Type Converter 数据类型转换 Skill

功能概述

本skill用于转换数据字段的类型，支持：

数值转换：int, float
字符串转换：str
日期转换：datetime
布尔转换：bool
分类转换：category

触发条件

当用户请求以下任务时，应使用此skill：

数据类型转换
字段格式转换
日期格式化
数值格式化

支持的目标类型

类型	说明	示例
`int`	整数	"123" → 123
`float`	浮点数	"123.45" → 123.45
`str`	字符串	123 → "123"
`datetime`	日期时间	"2024-01-01" → datetime
`bool`	布尔值	"true" → True
`category`	分类类型	优化内存

使用方法

基本类型转换

bash

python scripts/run_data_type_converter.py \
  --input data.csv \
  --output converted.csv \
  --conversions "age:int,score:float,name:str"

日期类型转换

bash

python scripts/run_data_type_converter.py \
  --input data.csv \
  --output converted.csv \
  --conversions "date:datetime" \
  --date_format "%Y-%m-%d"

多字段转换

bash

python scripts/run_data_type_converter.py \
  --input data.csv \
  --output converted.csv \
  --conversions "id:int,amount:float,date:datetime,category:category"

参数说明

参数	必填	说明
`--input`	是	输入文件路径
`--output`	是	输出文件路径
`--conversions`	是	转换规则
`--date_format`	否	日期格式，默认"%Y-%m-%d"
`--errors`	否	错误处理，默认"coerce"

错误处理方式

方式	说明
`raise`	遇到错误时抛出异常
`coerce`	转换失败设为NaN
`ignore`	保留原值

输出示例

[OK] Data type conversion completed!
   Input file: data.csv
   Output file: converted.csv
   Conversions:
     - age: object → int64
     - score: object → float64
     - date: object → datetime64[ns]
   Total rows: 1000
   Conversion errors: 5

环境要求

bash

pip install pandas numpy openpyxl

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Source

SKILL.md in the repositoryCheckingworkspace/skills/data_type_converter/SKILL.md

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