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Add Requests Library examples
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‎README.md

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@@ -22,4 +22,5 @@ repository breaks up the code into individual .py files, and the full tutorial f
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15. [How To Read And Write Files In Python](https://vegibit.com/how-to-read-and-write-files-in-python/)
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16. [Python And Excel](https://vegibit.com/how-to-use-python-with-excel/)
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17. [Matplotlib In Jupyter Notebook](https://vegibit.com/matplotlib-in-jupyter-notebook/)
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18. [Urllib Examples](https://vegibit.com/python-urllib/)
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18. [Urllib Examples](https://vegibit.com/python-urllib/)
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19. [Python Requests](https://vegibit.com/python-requests-library/)

‎pythonrequests.py

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# Requests is a Python HTTP library, released under the Apache License 2.0. The goal of the project is to make HTTP requests
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# simpler and more human-friendly. It is one of the most popular python libraries that is not included with python by default.
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import requests
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# Making A GET Request
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def printResponse(resp):
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print(f'Response Code: +----- {resp.status_code} -----+')
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print('\n')
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print('Headers: +----------------------+')
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print(resp.headers)
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print('\n')
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print('Returned data: +----------------------+')
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print(resp.text)
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# Use requests to issue an HTTP GET request
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url = 'http://httpbin.org/xml'
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resp = requests.get(url)
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printResponse(resp)
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# Response Code: +----- 200 -----+
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#
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#
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# Headers: +----------------------+
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# {'Date': 'Wed, 11 Mar 2020 18:03:20 GMT', 'Content-Type': 'application/xml', 'Content-Length': '522', 'Connection': 'keep-alive', 'Server': 'gunicorn/19.9.0', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true'}
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#
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#
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# Returned data: +----------------------+
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# <?xml version='1.0' encoding='us-ascii'?>
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#
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# <!-- A SAMPLE set of slides -->
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#
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# <slideshow
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# title="Sample Slide Show"
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# date="Date of publication"
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# author="Yours Truly"
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# >
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#
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# <!-- TITLE SLIDE -->
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# <slide type="all">
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# <title>Wake up to WonderWidgets!</title>
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# </slide>
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#
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# <!-- OVERVIEW -->
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# <slide type="all">
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# <title>Overview</title>
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# <item>Why <em>WonderWidgets</em> are great</item>
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# <item/>
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# <item>Who <em>buys</em> WonderWidgets</item>
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# </slide>
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#
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# </slideshow>
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#
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# Process finished with exit code 0
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# Including Parameters
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# Send some parameters to the URL via a GET request
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# Requests handles this for you, no manual encoding
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payload = {'Size': 'Large', 'Cream': True, 'Sugar': False}
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url = 'http://httpbin.org/get'
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resp = requests.get(url, params=payload)
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printResponse(resp)
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# Response Code: +----- 200 -----+
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#
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#
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# Headers: +----------------------+
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# {'Date': 'Wed, 11 Mar 2020 18:13:37 GMT', 'Content-Type': 'application/json', 'Content-Length': '410', 'Connection': 'keep-alive', 'Server': 'gunicorn/19.9.0', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true'}
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#
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#
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# Returned data: +----------------------+
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# {
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# "args": {
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# "Cream": "True",
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# "Size": "Large",
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# "Sugar": "False"
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# },
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# "headers": {
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# "Accept": "*/*",
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# "Accept-Encoding": "gzip, deflate",
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# "Host": "httpbin.org",
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# "User-Agent": "python-requests/2.23.0",
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# "X-Amzn-Trace-Id": "Root=1-5e692a51-71b500ab1d13d674526bc5d0"
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# },
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# "origin": "192.168.10.1",
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# "url": "http://httpbin.org/get?Size=Large&Cream=True&Sugar=False"
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# }
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#
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#
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# Process finished with exit code 0
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# Making A POST Request
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# Send some parameters to the URL via a GET request
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# Requests handles this for you, no manual encoding
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payload = {'Size': 'Large', 'Cream': True, 'Sugar': False}
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url = 'http://httpbin.org/post'
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resp = requests.post(url, data=payload)
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printResponse(resp)
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# Response Code: +----- 200 -----+
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#
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#
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# Headers: +----------------------+
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# {'Date': 'Wed, 11 Mar 2020 20:23:51 GMT', 'Content-Type': 'application/json', 'Content-Length': '526', 'Connection': 'keep-alive', 'Server': 'gunicorn/19.9.0', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true'}
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#
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#
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# Returned data: +----------------------+
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# {
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# "args": {},
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# "data": "",
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# "files": {},
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# "form": {
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# "Cream": "True",
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# "Size": "Large",
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# "Sugar": "False"
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# },
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# "headers": {
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# "Accept": "*/*",
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# "Accept-Encoding": "gzip, deflate",
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# "Content-Length": "33",
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# "Content-Type": "application/x-www-form-urlencoded",
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# "Host": "httpbin.org",
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# "User-Agent": "python-requests/2.23.0",
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# "X-Amzn-Trace-Id": "Root=1-5e6948d7-4b5b42c85acf7660e4e2c1a8"
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# },
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# "json": null,
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# "origin": "10.10.10.10",
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# "url": "http://httpbin.org/post"
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# }
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#
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#
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# Process finished with exit code 0
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# Sending Custom Headers
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# Pass a custom header to the server
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url = "http://httpbin.org/get"
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customHeader = {'User-Agent': 'Gardens-Delight-App / 1.0.1'}
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resp = requests.get(url, headers=customHeader)
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printResponse(resp)
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# Response Code: +----- 200 -----+
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#
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#
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# Headers: +----------------------+
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# {'Date': 'Wed, 11 Mar 2020 20:46:31 GMT', 'Content-Type': 'application/json', 'Content-Length': '312', 'Connection': 'keep-alive', 'Server': 'gunicorn/19.9.0', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true'}
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#
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#
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# Returned data: +----------------------+
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# {
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# "args": {},
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# "headers": {
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# "Accept": "*/*",
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# "Accept-Encoding": "gzip, deflate",
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# "Host": "httpbin.org",
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# "User-Agent": "Gardens-Delight-App / 1.0.1",
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# "X-Amzn-Trace-Id": "Root=1-5e694e27-6ade43401b07635c60af1748"
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# },
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# "origin": "1.2.3.4",
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# "url": "http://httpbin.org/get"
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# }
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# Handling Errors With HTTPError
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from requests.exceptions import HTTPError, Timeout
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try:
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url = 'http://httpbin.org/status/404'
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resp = requests.get(url)
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resp.raise_for_status()
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printResponse(resp)
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except HTTPError as error:
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print(f'Http Error: {error}')
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except Timeout as error:
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print(f'Request timed out: {error}')
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# Http Error: 404 Client Error: NOT FOUND for url: http://httpbin.org/status/404
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# Handling A Timeout
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try:
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url = 'http://httpbin.org/delay/5'
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resp = requests.get(url, timeout=3)
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resp.raise_for_status()
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printResponse(resp)
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except HTTPError as error:
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print(f'Http Error: {error}')
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except Timeout as error:
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print(f'Request timed out: {error}')
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# Request timed out: HTTPConnectionPool(host='httpbin.org', port=80): Read timed out. (read timeout=3)
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# Authentication With Requests
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from requests.auth import HTTPBasicAuth
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# Access a URL that requires authentication - the format of this
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# URL is that you provide the username/password to auth against
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url = 'https://httpbin.org/basic-auth/vegibit/secret'
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# Create a credentials object using HTTPBasicAuth
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credentials = HTTPBasicAuth('vegibit', 'secret')
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# Issue the request with the authentication credentials
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resp = requests.get(url, auth=credentials)
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printResponse(resp)
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# Response Code: +----- 200 -----+
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#
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#
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# Headers: +----------------------+
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# {'Date': 'Thu, 12 Mar 2020 14:36:41 GMT', 'Content-Type': 'application/json', 'Content-Length': '50', 'Connection': 'keep-alive', 'Server': 'gunicorn/19.9.0', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true'}
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#
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#
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# Returned data: +----------------------+
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# {
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# "authenticated": true,
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# "user": "vegibit"
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# }

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