Merge pull request #224 from HaripriyaB/codechef_selenium

Script to automate code submission on codechef

Author: tejan-singh

Python/CodeChef_Selenium/README.md

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+# Automate code submission in codechef through selenium script
+The aim of the program is to submit a simple code solution for the problem [COVID RUN](https://www.codechef.com/problems/CVDRUN) to [CodeChef website](https://www.codechef.com/) website using automated script.
+
+### Libraries used:
+* [Selenium](https://selenium-python.readthedocs.io/index.html) : A popular automation tool.
+* [webdriver-manager](https://pypi.org/project/webdriver-manager/) : Supporting package.
+
+### Pre-requisites:
+* **Chromedriver has to be installed before executing the program**
+* **An existing account in CodeChef.com**
+
+`>> pip3 install selenium`
+
+`>> pip3 install webdriver-manager`
+
+### Usage:
+`>> python codechef_selenium_script.py`
+
+### I/O:
+```
+Enter codechef username: $(username)
+
+Enter codechef password: $(password)
+
+Enter your solution filename with extension(file must be present in the same directory): $(solution)
+
+Successfully submitted the solution! 
+```
+
+

Python/CodeChef_Selenium/codechef_selenium_script.py

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+# Import statements
+from selenium import webdriver
+from webdriver_manager.chrome import ChromeDriverManager
+# time is inbuilt package 
+from time import sleep
+# Actions to be perfromed while automation
+from selenium.webdriver.common.action_chains import ActionChains
+import os
+
+# User input declaration
+username = ""
+password = ""
+solution = ""
+driver = None 
+
+def open_codechef():
+    # set url to driver
+    driver.get("https://www.codechef.com")
+
+def login():
+    sleep(2)
+    # find username field
+    driver.find_element_by_xpath("//*[@id='edit-name']").send_keys(username)
+    # find password field
+    driver.find_element_by_xpath("//*[@id='edit-pass']").send_keys(password)
+    # find Log in button
+    driver.find_element_by_xpath("//*[@id='edit-submit']").click()
+    sleep(5)
+
+def go_to_problem():
+    # Hover over the top bar
+    action = ActionChains(driver)
+    practice_probelms_dropdown=driver.find_element_by_xpath("//*[@id='menu-302']/a")
+    action.move_to_element(practice_probelms_dropdown).perform()
+    # Click on Practice problems by difficulty level
+    driver.find_element_by_xpath("//*[@id='menu-303']/a").click()
+    sleep(2)
+    # Click on COVID RUN problem
+    driver.find_element_by_xpath("//*[@id='primary-content']/div/div[2]/div/div[2]/table/tbody/tr[2]/td[1]/div[1]/a").click()
+    sleep(5)
+    # Click on Submit button
+    actions = ActionChains(driver)
+    pivot = driver.find_element_by_xpath("//*[@id='ember307']/section/div/h2")
+    actions.move_to_element(pivot).perform()
+    driver.find_element_by_xpath("//*[@id='problem-statement']/div/a").click()
+    sleep(5)
+
+def upload_solution():
+    # scroll down to a pivot element
+    actions = ActionChains(driver)
+    pivot = driver.find_element_by_xpath("//*[@id='edit-submit-1']")
+    actions.move_to_element(pivot).perform()
+    # click on upload solution button
+    solution_path = os.getcwd() + "/"
+    driver.find_element_by_xpath("//*[@id='edit-sourcefile']").send_keys(solution_path+solution)
+    # Click submit 
+    actions.move_to_element(driver.find_element_by_xpath("//*[@id='cc-footer-div']/div[2]")).perform()
+    driver.find_element_by_xpath("//*[@id='edit-submit-1']").click()
+    sleep(15)
+
+
+def main():
+    global username
+    global password
+    global solution
+    global driver
+    # Input from users
+    username=input("Enter codechef username: ")
+    password=input("Enter codechef password: ")
+    solution=input("Enter your solution filename with extension(file must be present in the same directory): ")
+    # configuring webdriver
+    driver = webdriver.Chrome(ChromeDriverManager().install())
+    # Automation begins
+    open_codechef()
+    login()
+    go_to_problem()
+    upload_solution()
+    print("Successfully submitted the solution!")
+    driver.close()
+
+
+if __name__ == "__main__":
+    main()