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Easily label file by rules with Python

Project description

SimpleLabel

simplelabel 是一个使用 Python 编写的工具,它可以根据规则轻松地对文件进行标注,同时也支持根据规则快速生成 SQL 语句。

安装

首先,确保你已经安装了 Python 3.8 或更高版本。然后,你可以使用以下命令安装 simplelabel

pip install simplelabel

命令行使用方法

显示版本信息

如果你想查看 simplelabel 的版本信息,可以使用以下命令:

simplelabel --version

快速完成数据标注

使用 --label 指令可以快速完成数据标注,该指令需要输入规则文件地址和原始待标注的数据文件地址,同时通过 -o 标识指定数据输出地址。示例如下:

simplelabel --label rule_file.csv data_file.csv -o output_labeled_data.csv

快速完成 SQL 语句生成

使用 --generate 指令可以快速完成 SQL 语句生成,该指令需要输入规则文件地址,同时通过 -o 标识指定 SQL 文件输出地址。示例如下:

simplelabel --generate rule_file.csv -o output_sql.txt

Python 使用方法

simplelabel 也提供了 Python API,你可以使用以下代码来完成数据标注和 SQL 语句生成:

from simplelabel import FieldMap, FieldsIdentifier
from simplelabel import DataLabelEngine, SQLGenerator

if __name__ == '__main__':
    rule_file_path = 'data/rules_zfb.csv'
    bill_file_path = 'data/bills_zfb.csv'
    labeled_file_path = 'data/bills_zfb_labeled.csv'
    sql_file_path = 'data/bills_zfb_sql.sql'

    field_map = FieldMap(
        field1='筛选字段1',
        condition1='筛选条件1',
        keyword1='关键字1',
        logic='关联条件',
        field2='(可选)筛选字段2',
        condition2='(可选)筛选条件2',
        keyword2='(可选)关键字2',
        label='账单类别'
    )

    # 根据规则标注数据
    label_engine = DataLabelEngine.init(rule_file_path, field_map)
    label_engine.label(bill_file_path, labeled_file_path)

    # 根据规则生成 SQL 语句
    sql_generator = SQLGenerator.init(rule_file_path, field_map)
    sql_generator.generate(sql_file_path)

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