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Python Web Scraping: Get the number of Pinterest accounts maintained by US state department embassies and missions

Python Web Scraping: Exercise-15 with Solution

Write a Python program to get the number of Pinterest accounts maintained by U.S. State Department embassies and missions.

Source: https://www.state.gov/r/pa/ode/socialmedia/

Sample Solution:

Python Code:

#https://bit.ly/2lVhlLX
import requests
from lxml import html
url = 'https://www.state.gov/r/pa/ode/socialmedia/'
doc = html.fromstring(requests.get(url).text)
pinlinks = [a for a in doc.cssselect('a') if 'pinterest.com' in str(a.attrib.get('href'))]
print("The number of Pinterest accounts maintained by U.S. State Department embassies and missions:")
print(len(pinlinks))

Sample Output:

The number of Pinterest accounts maintained by U.S. State Department embassies and missions:
3

Flowchart:

Python Web Scraping Flowchart: Get the number of Pinterest accounts maintained by U.S. State Department embassies and missions.

Python Code Editor:

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Next: Write a Python program to get the number of followers of a given twitter account.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m