How to use Python requests to fake a browser visit a k a and generate User Agent

Question

I want to get the content from this website  If I use a browser like Firefox or Chrome I could get the real website page I want  but if I use the Python requests package  or wget command  to get it  it returns a totally different HTML page  I thought the developer of the website had made some blocks for this  Question How do I fake a browser visit by using python requests or command wget

User · Answer

Answer

You need to create a header with a proper formatted User agent String, it server to communicate client-server.

You can check your own user agent Here.

Example

Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
Mozilla/5.0 (Macintosh; Intel Mac OS X x.y; rv:42.0) Gecko/20100101 Firefox/42.0

Third party Package user_agent 0.1.9

I found this module very simple to use, in one line of code it randomly generates a User agent string.

from user_agent import generate_user_agent, generate_navigator
from pprint import pprint

print(generate_user_agent())
# 'Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.3; Win64; x64)'

print(generate_user_agent(os=('mac', 'linux')))
# 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:36.0) Gecko/20100101 Firefox/36.0'

pprint(generate_navigator())

# {'app_code_name': 'Mozilla',
#  'app_name': 'Netscape',
#  'appversion': '5.0',
#  'name': 'firefox',
#  'os': 'linux',
#  'oscpu': 'Linux i686 on x86_64',
#  'platform': 'Linux i686 on x86_64',
#  'user_agent': 'Mozilla/5.0 (X11; Ubuntu; Linux i686 on x86_64; rv:41.0) Gecko/20100101 Firefox/41.0',
#  'version': '41.0'}

pprint(generate_navigator_js())

# {'appCodeName': 'Mozilla',
#  'appName': 'Netscape',
#  'appVersion': '38.0',
#  'platform': 'MacIntel',
#  'userAgent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:38.0) Gecko/20100101 Firefox/38.0'}

User · Answer

The root of the answer is that the person asking the question needs to have a JavaScript interpreter to get what they are after  What I have found is I am able to get all of the information I wanted on a website in json before it was interpreted by JavaScript  This has saved me a ton of time in what would be parsing html hoping each webpage is in the same format   So when you get a response from a website using requests really look at the html text because you might find the javascripts JSON in the footer ready to be parsed

User · Answer

I had a similar issue but I was unable to use the UserAgent class inside the fake useragent module  I was running the code inside a docker container import requests import ujson import random  response   requests get  https   fake-useragent herokuapp com browsers 0 1 11   agents dictionary   ujson loads response text  random browser number   str random randint 0  len agents dictionary  randomize      random browser   agents dictionary  randomize   random browser number  user agents list   agents dictionary  browsers   random browser  user agent   user agents list random randint 0  len user agents list -1    I targeted the endpoint used in the module  This solution still gave me a random user agent however there is the possibility that the data structure at the endpoint could change

User · Answer

I used fake UserAgent  How to use  from fake useragent import UserAgent import requests      ua   UserAgent   print ua chrome  header     User-Agent  str ua chrome   print header  url    quot https   www hybrid-analysis com recent-submissions filter file amp sort  timestamp quot  htmlContent   requests get url  headers header  print htmlContent   Output  Mozilla 5 0  Macintosh  Intel Mac OS X 10 8 2  AppleWebKit 537 17  KHTML  like Gecko  Chrome 24 0 1309 0 Safari 537 17   User-Agent    Mozilla 5 0  X11  OpenBSD i386  AppleWebKit 537 36  KHTML  like Gecko  Chrome 36 0 1985 125 Safari 537 36    lt Response  200  gt

User · Answer

This is how  I have been using a random user agent from a list of nearlly 1000 fake user agents from random user agent user agent import UserAgent from random user agent params import SoftwareName  OperatingSystem software names    SoftwareName ANDROID value  operating systems    OperatingSystem WINDOWS value  OperatingSystem LINUX value  OperatingSystem MAC value      user agent rotator   UserAgent software names software names  operating systems operating systems  limit 1000     Get list of user agents  user agents   user agent rotator get user agents    user agent random   user agent rotator get random user agent    Example print user agent random   Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 87 0 4280 88 Safari 537 36 For more details visit this link

User · Answer

Try doing this  using firefox as fake user agent  moreover  it s a good startup script for web scraping with the use of cookies       usr bin env python2   - - coding  utf8 - -   vim ts 4 sw 4   import cookielib  urllib2  sys  def doIt uri       cj   cookielib CookieJar       opener   urllib2 build opener urllib2 HTTPCookieProcessor cj       page   opener open uri      page addheaders      User-agent    Mozilla 5 0        print page read    for i in sys argv 1        doIt i    USAGE   python script py  http   www ichangtou com  company data 000008 html

User · Answer

Provide a User-Agent header   import requests  url    http   www ichangtou com  company data 000008 html  headers     User-Agent    Mozilla 5 0  Macintosh  Intel Mac OS X 10 10 1  AppleWebKit 537 36  KHTML  like Gecko  Chrome 39 0 2171 95 Safari 537 36    response   requests get url  headers headers  print response content    FYI  here is a list of User-Agent strings for different browsers    List of all Browsers     As a side note  there is a pretty useful third-party package called fake-useragent that provides a nice abstraction layer over user agents      fake-useragent      Up to date simple useragent faker with real world database   Demo    gt  gt  gt  from fake useragent import UserAgent  gt  gt  gt  ua   UserAgent    gt  gt  gt  ua chrome u Mozilla 5 0  Windows NT 6 2  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 32 0 1667 0 Safari 537 36   gt  gt  gt  ua random u Mozilla 5 0  Windows NT 6 1  WOW64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 36 0 1985 67 Safari 537 36

[python] How to use Python requests to fake a browser visit a.k.a and generate User Agent?

Answer

Example

Third party Package user_agent 0.1.9

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