在python中使用argparse来解析整个JSON

Question

我试图使用ARGPARSE库在一个简单的参数中解析整个Json，问题是当它碰到子内部的不同元素时，它会突然停止，比如"-"one_answers"。

这是测试代码：

#parse.py
import argparse
parser = argparse.ArgumentParser(description='JSON_test')
parser.add_argument('-contenido', action='store', dest='CONTENIDO',
help='JSON content')
args = parser.parse_args()
C = args.CONTENIDO
print (C)

这是运行代码的一个示例

python parse.py -contenido """{"desde": "2020-03-01","hasta": "2020-03-31","plantas": [{"id": 6,"nombre": "MDS","inversores": [{"id": "Ingeteam 0237","energa": 2152.8070,"pr": 61.5299,"disponibilidad": 81.1770,"factorPlanta": 15.5313}, {"id": "Ingeteam  0538","energa": 2167.5898,"pr": 61.9315,"disponibilidad": 81.0459,"factorPlanta": 15.6381}, {"id": "Ingeteam 0236","energa": 2168.1885,"pr": 61.9511,"disponibilidad": 80.9856,"factorPlanta": 15.6426}, {"id": "Ingeteam 0563","energa": 2206.8702,"pr": 63.0825,"disponibilidad": 80.9455,"factorPlanta": 15.9219}]"""

最后是错误

parse.py: error: unrecognized arguments: 0237,energia: 2152.8070,pr: 61.5299,disponibilidad: 81.1770,factorPlanta: 15.5313}, {id: Ingeteam 0538,energia: 2167.5898,pr: 61.9315,disponibilidad: 81.0459,factorPlanta: 15.6381}, {id: Ingeteam 0236,energia: 2168.1885,pr: 61.9511,disponibilidad: 80.9856,factorPlanta: 15.6426}, {id: Ingeteam 0563,energia: 2206.8702,pr: 63.0825,disponibilidad: 80.9455,factorPlanta: 15.9219}]"

我们的体系结构不允许我们使用文件进行解析，因此解决方案不起作用：(。我能做什么？我读了很多SOF文章，明天我会测试它们，但我认为它们不适合这个特定的问题，我们的json非常大，我们需要从一个参数中运行它。提前感谢！

Answer 1

使用一个单引号包装命令行参数，而不是使用三个双引号。三个双引号是Python语法，而不是shell语法。

python parse.py -contenido '{"desde": "2020-03-01","hasta": "2020-03-31","plantas": [{"id": 6,"nombre": "MDS","inversores": [{"id": "Ingeteam 0237","energa": 2152.8070,"pr": 61.5299,"disponibilidad": 81.1770,"factorPlanta": 15.5313}, {"id": "Ingeteam  0538","energa": 2167.5898,"pr": 61.9315,"disponibilidad": 81.0459,"factorPlanta": 15.6381}, {"id": "Ingeteam 0236","energa": 2168.1885,"pr": 61.9511,"disponibilidad": 80.9856,"factorPlanta": 15.6426}, {"id": "Ingeteam 0563","energa": 2206.8702,"pr": 63.0825,"disponibilidad": 80.9455,"factorPlanta": 15.9219}]'

您也可以使用一个双引号来包装参数，但您需要转义参数中的每个双引号。