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This repository was archived by the owner on Dec 22, 2023. It is now read-only.

Commit efc066e

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Add ratings scraper
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# cf_ratings.py
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<!--Remove the below lines and add yours -->
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A webscraper that saves a codeforce user's ratings into a CSV.
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### Prerequisites
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[requests](https://github.com/psf/requests)
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### How to run the script
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```python cf_ratings -u user1,user2...```
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### Screenshot/GIF showing the sample use of the script
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![usage](usage.jpg)
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## *Author Name*
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<!--Remove the below lines and add yours -->
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Made with ♥ by [valterm](github.com/valterm)
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import json,csv
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import requests
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import sys,argparse
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def call_api(handle):
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#API url
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base_url='https://codeforces.com/api/user.rating?handle='
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#Append the user
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url=base_url+handle
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r = requests.get(url)
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raw = r.json()
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response=json.dumps(raw['result'])
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return(response)
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#Check how many arguments were supplied
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if len(sys.argv)>3:
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print('Too many arguments.')
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exit()
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#Create parser
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parser = argparse.ArgumentParser(description='Scrape user ratings from codeforce.')
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#Add argument for users
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parser.add_argument('-u','--users',type=str,help='Comma separated list of users to gather ratings for.')
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#Parse arguments
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args = parser.parse_args()
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users=args.users
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#Split the users by commas
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u_list = users.split(',')
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#Perform this for each user
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for u in u_list:
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#Call API and parse the response
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raw_response=call_api(u)
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parsed_data=json.loads(raw_response)
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#Set the filename and the columns
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csv_name=u+'.csv'
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csv_columns=["contestId","contestName","handle","rank","ratingUpdateTimeSeconds","oldRating","newRating"]
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#Write to file
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with open(csv_name, 'w', encoding='utf-8', newline='') as f:
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writer=csv.DictWriter(f,fieldnames=csv_columns)
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writer.writeheader()
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for data in parsed_data:
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writer.writerow(data)
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requests==2.24.0
4.09 KB
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