如何使用 Robobrowser 或 Request 提交 Web 表单

Question

我不是 Python 专家，但发现它在许多领域都非常有用。在提交表单和检索输出的上下文中，我在两个不同的场合开始使用 Robobrowser 和 Requests 时遇到了问题。我想做的事;使用网络检查器向 westjet.com 提交旅行日期我看到 "origin-event" 和 "destination-event" 我需要在我的案例中提交机场代码 YYZ 和 POP 以及日期。有人可以帮助我理解这些库，以便我知道如何完成此任务并提供适当的解释，谢谢。

import requests


headers = {'User-Agent': 'Safari 9.0'}
print("Please Print Your Intended Departure Date")
#departure_date = input()

print("Please Print Your Intended Return Date")
#return_date = input()


#
# FLIGHTS ONLY
#

westjetF = "https://www.westjet.com/en-ca/index"
airtransatF = "http://www.airtransat.com/en-CA/home"
sunwingF = "http://www.sunwing.ca"
hotwireF = "https://www.hotwire.com"

#
# VACATIONS ONLY
#
westjetV = "https://www.westjet.com/en-ca/index"
airtransatV = "https://www.transat.com/en-CA/?ici=homepage&icn=moteur_forfait&_ga=1.139381168.282228778.1458947467&search=package&origin=YOW"
airtransatV = "http://www.airtransat.com/en-CA/home"
sunwingV = "http://www.sunwing.ca"




# Payload for Westjet.com yy/mm/dd 00-00-00
Flight_data = {

  'orgin-event': 'POP',
  'destination-event' : 'YYZ',
  'depart' : '2017-04-22' ,
  'return': '2017-04-24',
 # 'numAdults' : '1',
 # 'numChildren': '0',
  #'numInfants': '0',
  #'promoCode': ''
}


with requests.Session() as s:

  execute = s.post(westjetF,data=Flight_data)

print(execute.text)









status = execute.status_code


if(status == 200):
 print("great, Request was processed")
else:
  print("Sorry That Request Wasnt Processed")

Answer 1

好的，这是 post 和 requests

的方法

import requests
from bs4 import BeautifulSoup  ## for html parsing ##

url = 'http://www.westjet.com'  ## the page you want to GET or POST ##  

## Now get the input names ( with web inspector ) ##
## and make a dictionary with the inputs and data you wand to post ##
post_data = { 'name1' : 'value1', 'name2' : 'value2', etc }

req = requests.post(url, data=post_data)  ## post your data to the page ##
# req = requests.get(url, params=post_data)  ## use this method if you want to GET the page ##

status = req.status_code  ## this is the HTTP response status, eg 200 ##
html = req.text  ## this is the response content ( html ) ##

## Next , you can process your html with BeautifulSoup ## 
## or you can skip this part if you dont care about it ##
soup = BeautifulSoup(html, "html.parser") 
table = soup.find('table')  ## This will find the first table , for example ##

当然这是一个非常基本的示例，您还可以做很多事情。
希望对大家有所帮助

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