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Python: Send a request to a web page, and print the headers information

Python Requests: Exercise-4 with Solution

Write a Python code to send a request to a web page, and print the information of headers. Also parse these values and print key-value pairs holding various information.

Sample Solution:

Python Code:

import requests
r = requests.get('https://api.github.com/')
response = r.headers
print("Headers information of the said response:")
print(response)
print("\nVarious Key-value pairs information of the said resource and request:")

print("Date: ",r.headers['date'])
print("server: ",r.headers['server'])
print("status: ",r.headers['status'])
print("cache-control: ",r.headers['cache-control'])
print("vary: ",r.headers['vary'])
print("x-github-media-type: ",r.headers['x-github-media-type'])
print("access-control-expose-headers: ",r.headers['access-control-expose-headers'])
print("strict-transport-security: ",r.headers['strict-transport-security'])
print("x-content-type-options: ",r.headers['x-content-type-options'])
print("x-xss-protection: ",r.headers['x-xss-protection'])
print("referrer-policy: ",r.headers['referrer-policy'])
print("content-security-policy: ",r.headers['content-security-policy'])
print("content-encoding: ",r.headers['content-encoding'])
print("X-Ratelimit-Remaining: ",r.headers['X-Ratelimit-Remaining'])
print("X-Ratelimit-Reset: ",r.headers['X-Ratelimit-Reset'])
print("X-Ratelimit-Used: ",r.headers['X-Ratelimit-Used'])
print("Accept-Ranges:",r.headers['Accept-Ranges'])
print("X-GitHub-Request-Id:",r.headers['X-GitHub-Request-Id'])

Sample Output:

Headers information of the said response:
{'date': 'Tue, 20 Oct 2020 13:16:08 GMT', 'content-type': 'application/json; charset=utf-8', 'server': 'GitHub.com', 'status': '200 OK', 'cache-control': 'public, max-age=60, s-maxage=60', 'vary': 'Accept, Accept-Encoding, Accept, X-Requested-With, Accept-Encoding', 'etag': 'W/"27278c3efffccc4a7be1bf315653b901b14f2989b2c2600d7cc2e90a97ffbf60"', 'x-github-media-type': 'github.v3; format=json', 'access-control-expose-headers': 'ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, Deprecation, Sunset', 'access-control-allow-origin': '*', 'strict-transport-security': 'max-age=31536000; includeSubdomains; preload', 'x-frame-options': 'deny', 'x-content-type-options': 'nosniff', 'x-xss-protection': '1; mode=block', 'referrer-policy': 'origin-when-cross-origin, strict-origin-when-cross-origin', 'content-security-policy': "default-src 'none'", 'content-encoding': 'gzip', 'X-Ratelimit-Limit': '60', 'X-Ratelimit-Remaining': '58', 'X-Ratelimit-Reset': '1603201759', 'X-Ratelimit-Used': '2', 'Accept-Ranges': 'bytes', 'Content-Length': '496', 'X-GitHub-Request-Id': 'D2B5:6593:83D581:B5FE5E:5F8EE317'}

Various Key-value pairs information of the said resource and request:
Date:  Tue, 20 Oct 2020 13:16:08 GMT
server:  GitHub.com
status:  200 OK
cache-control:  public, max-age=60, s-maxage=60
vary:  Accept, Accept-Encoding, Accept, X-Requested-With, Accept-Encoding
x-github-media-type:  github.v3; format=json
access-control-expose-headers:  ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, Deprecation, Sunset
strict-transport-security:  max-age=31536000; includeSubdomains; preload
x-content-type-options:  nosniff
x-xss-protection:  1; mode=block
referrer-policy:  origin-when-cross-origin, strict-origin-when-cross-origin
content-security-policy:  default-src 'none'
content-encoding:  gzip
X-Ratelimit-Remaining:  58
X-Ratelimit-Reset:  1603201759
X-Ratelimit-Used:  2
Accept-Ranges: bytes
X-GitHub-Request-Id: D2B5:6593:83D581:B5FE5E:5F8EE317

Python Code Editor:

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Previous: Write a Python code to send a request to a web page, and print the response text and content. Also get the raw socket response from the server.
Next: Write a Python code to send a request to a web page, and print the JSON value of the response. Also print each key value of the response.

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Python: Tips of the Day

Creates a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value:

Example:

def tips_map_values(obj, fn):
  ret = {}
  for key in obj.keys():
    ret[key] = fn(obj[key])
  return ret
users = {
  'Owen': { 'user': 'Owen', 'age': 29 },
  'Eddie': { 'user': 'Eddie', 'age': 15 }
}

print(tips_map_values(users, lambda u : u['age'])) # {'Owen': 29, 'Eddie': 15}

Output:

{'Owen': 29, 'Eddie': 15}