我正在尝试使用请求库来使用数据库中的 API。代码正在运行，但由于授权错误，我时不时地必须重新制作我的标题。有没有办法重新验证或通过代码获取新的标头？因为如果我每次都需要去获取新的标头，那么代码就变得毫无意义。
网址：Database.com401
首先输出：
import requests
import json
from bs4 import BeautifulSoup as bs4
import pandas as pd
url = "https://dw.ceasa.gov.br/saiku/rest/saiku/api/query/execute"
payload = json.dumps({
"name": "0A777C63-EAF6-181A-9FB1-248AFCE90BE1",
"queryModel": {
"axes": {
"FILTER": {
"mdx": None,
"filters": [],
"sortOrder": None,
"sortEvaluationLiteral": None,
"hierarchizeMode": None,
"location": "FILTER",
"hierarchies": [],
"nonEmpty": False,
"aggregators": []
},
"COLUMNS": {
"mdx": None,
"filters": [],
"sortOrder": None,
"sortEvaluationLiteral": None,
"hierarchizeMode": None,
"location": "COLUMNS",
"hierarchies": [
{
"name": "[04-Produto].[04-Produto]",
"levels": {
"Produto": {
"name": "Produto"
}
}
}
],
"nonEmpty": True,
"aggregators": []
},
"ROWS": {
"mdx": None,
"filters": [],
"sortOrder": None,
"sortEvaluationLiteral": None,
"hierarchizeMode": None,
"location": "ROWS",
"hierarchies": [
{
"name": "[06-Ano].[06-Ano]",
"levels": {
"Ano": {
"name": "Ano",
"aggregators": [],
"selection": {
"type": "EXCLUSION",
"members": [
{
"uniqueName": "[06-Ano].[06-Ano].[2015]",
"caption": "2015"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2016]",
"caption": "2016"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2017]",
"caption": "2017"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2018]",
"caption": "2018"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2019]",
"caption": "2019"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2020]",
"caption": "2020"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2021]",
"caption": "2021"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2022]",
"caption": "2022"
},
{
"uniqueName": "[06-Ano].[06-Ano].[2023]",
"caption": "2023"
}
]
}
}
}
},
{
"name": "[07-Mes].[07-Mes]",
"levels": {
"Mes": {
"name": "Mes",
"aggregators": [],
"selection": {
"type": "EXCLUSION",
"members": [
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[JANEIRO]",
"caption": "JANEIRO"
},
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[FEVEREIRO]",
"caption": "FEVEREIRO"
},
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[MARÇO]",
"caption": "MARÇO"
},
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[ABRIL]",
"caption": "ABRIL"
},
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[MAIO]",
"caption": "MAIO"
},
{
"uniqueName": "[07-Mes].[07-Mes].[1º SEM].[JUNHO]",
"caption": "JUNHO"
},
{
"uniqueName": "[07-Mes].[07-Mes].[2º SEM].[JULHO]",
"caption": "JULHO"
}
]
}
}
}
},
{
"name": "[08-Dia].[08-Dia]",
"levels": {
"Dia Mes": {
"name": "Dia Mes"
}
}
}
],
"nonEmpty": True,
"aggregators": []
}
},
"visualTotals": False,
"visualTotalsPattern": None,
"lowestLevelsOnly": False,
"details": {
"axis": "COLUMNS",
"location": "BOTTOM",
"measures": []
},
"calculatedMeasures": []
},
"queryType": "OLAP",
"type": "QUERYMODEL",
"cube": {
"uniqueName": "[Prohort].[Prohort].[Prohort].[PROHORT - PRECO DIARIO]",
"name": "PROHORT - PRECO DIARIO",
"connection": "Prohort",
"catalog": "Prohort",
"schema": "Prohort",
"caption": None,
"visible": False
},
"mdx": None,
"parameters": {},
"plugins": {},
"properties": {
"saiku.olap.query.automatic_execution": False,
"saiku.olap.query.nonempty": True,
"saiku.olap.query.nonempty.rows": True,
"saiku.olap.query.nonempty.columns": True,
"saiku.ui.render.mode": "table",
"saiku.olap.query.filter": True,
"saiku.olap.result.formatter": "flattened",
"org.saiku.query.explain": True,
"org.saiku.connection.scenario": False,
"saiku.olap.query.drillthrough": True
},
"metadata": {}
})
headers = {
'Accept': 'application/json, text/javascript, */*; q=0.01',
'Accept-Language': 'pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7',
'Connection': 'keep-alive',
'Content-Type': 'application/json',
'Cookie': 'JSESSIONID=EB000E928441CC372431FA5B47CB86F8',
'Origin': 'https://dw.ceasa.gov.br',
'Referer': 'https://dw.ceasa.gov.br/',
'Sec-Fetch-Dest': 'empty',
'Sec-Fetch-Mode': 'cors',
'Sec-Fetch-Site': 'same-origin',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36',
'X-Requested-With': 'XMLHttpRequest',
'sec-ch-ua': '"Not)A;Brand";v="99", "Google Chrome";v="127", "Chromium";v="127"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"'
}
response = requests.request("POST", url, headers=headers, data=payload)
print(response.status_code)
输出“第二天”：200401：
JSESSIONID
post 请求将设置
import requests
session = requests.Session()
data = {
'username': 'almir.costa',
'password': '123123',
}
url = 'https://dw.ceasa.gov.br/saiku/rest/saiku/session'
response = session.post(url, data=data)
cookie。
使用JSESSIONID提出您的所有请求。
sessionsessionsession.headers = headers