Added code

Technologies_of_narcisissm/download_preprint.py

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+import timeit
+start_time = timeit.default_timer()
+from selenium import webdriver
+import time
+from random import randint
+from selenium.common.exceptions import TimeoutException
+
+def scrape(link, num):
+    options = webdriver.ChromeOptions()
+    options.add_argument('headless')
+    driver = webdriver.Chrome(chrome_options=options)
+    driver.delete_all_cookies()
+    loop_num = 1
+    while loop_num<num+1:
+        loop_time = timeit.default_timer()
+        print "Loop num: ", loop_num
+        time.sleep(randint(0,4))
+        try:
+            driver.get(link)
+            print 'Page connected! Please wait.'
+            driver.find_element_by_link_text('Download PDF').click()
+            print "Loop time [min]: ", (timeit.default_timer() - loop_time)/60
+            print "Total time [min]: ", (timeit.default_timer() - start_time)/60, '\n'
+        except TimeoutException as ex:
+            print "Timeout error, moving on to next one" + '\n\n\n' + str(ex)
+            continue
+        loop_num += 1
+        driver.delete_all_cookies()
+    driver.quit()
+    print 'Your session took this long to run [min]: ' + str((timeit.default_timer() - start_time)/60)
+    return
+
+if __name__ == '__main__':
+    scrape(link="https://www.biorxiv.org/content/10.1101/038844v1", num=2)