def _get_question_transcript(self):
try:
original_tab = self.driver.current_window_handle
self.open_new_tab(CHEGG_QUESTION_BASE_URL + self.current_qid)
except Exception as err:
print(err)
return None
try:
# Get the transcript
transcript = self.driver.find_element_by_class_name(
"transcribed-image-text-show").text
except NoSuchElementException as err:
# At this point, reCaptcha comes quite often
if self.is_bot_compromised():
if not self.solve_captcha_automatically():
solve_captcha_manually()
generate_random_delay() # Delay
try:
# Get the transcript
transcript = self.driver.find_element_by_class_name(
"transcribed-image-text-show").text
self.close_recent_tab()
# Switch to original tab
self.driver.switch_to.window(original_tab)
return transcript
except Exception as err:
print(err)
return None
def submit_answer(self):
try:
self.driver.find_element_by_id("ext-submit-btn").click()
while self.driver.find_element_by_id(
"countdown").text != "9 min 55 sec":
pass
except StaleElementReferenceException as err:
generate_random_delay() # Delay
except Exception as err:
print(err)
return
print("Answer submitted\n")
def search_question(self, text):
generate_random_delay() # Delay
try:
if self.switch_to_tab_with_matching_url(
CHEGG_RESULTS_PAGE_BASE_URL):
self._search_question_on_results_page(text)
else:
self.open_new_tab(CHEGG_HOMEPAGE_URL)
self._search_question_on_homepage(text)
except Exception as err:
print(err)
return False
return True
def _search_question_on_results_page(self, text):
try:
search_field = self.driver.find_element_by_xpath(
'//*[@id="chegg-searchbox"]')
search_field.click()
self.driver.execute_script(
"document.querySelector('#chegg-searchbox').value = ''")
generate_random_delay() # Delay
search_field.send_keys(text)
search_field.send_keys(Keys.RETURN)
except Exception as err:
print(err)
return False
return True
def login_to_chegg(self, id, password):
try:
self.driver.get("https://www.chegg.com")
sign_in_btn = self.driver.find_element_by_xpath(
'//*[@id="eggshell-15"]/a')
generate_random_delay() # Delay
sign_in_btn.click()
email_field = self.driver.find_element_by_xpath(
'//*[@id="emailForSignIn"]')
password_field = self.driver.find_element_by_xpath(
'//*[@id="passwordForSignIn"]')
generate_random_delay() # Delay
email_field.send_keys(id)
password_field.send_keys(password)
password_field.send_keys(Keys.RETURN)
except Exception as err:
print(err)
def get_question_text(self):
generate_random_delay() # Delay
try:
qid = self._get_qid()
if qid != None and qid != self.current_qid:
self.current_qid = qid
print(f"Question ID: {self.current_qid}")
# Check if question has image(s) or not
if self._does_question_contain_images():
text = self._get_question_transcript()
else:
text = self.driver.find_element_by_class_name(
"question").get_attribute("innerText")
return text
except Exception as err:
print(err)
return None
def solve_captcha_automatically(self):
try:
iframe = self.driver.find_element_by_xpath(
"//iframe[starts-with(@name, 'a-') and starts-with(@src, 'https://www.google.com/recaptcha')]"
)
self.driver.switch_to.frame(iframe)
self.driver.find_element_by_css_selector(
"div.rc-anchor-content").click()
# Check if checkbox checkmark is applied or not
style = self.driver.find_element_by_class_name(
"recaptcha-checkbox-checkmark").get_attribute("style")
if style == "null":
return False # Proceed to fill captcha manually
self.driver.switch_to.default_content()
except Exception as err:
print(err)
return False
generate_random_delay() # Delay
return True
def _search_question_on_homepage(self, text):
try:
search_field = self.driver.find_element_by_xpath(
'//*[@id="chegg-searchbox"]')
except Exception as err:
print(err)
# At this point, reCaptcha comes quite often
if self.is_bot_compromised():
if not self.solve_captcha_automatically():
solve_captcha_manually()
try:
search_field = self.driver.find_element_by_xpath(
'//*[@id="chegg-searchbox"]')
search_field.click()
generate_random_delay() # Delay
search_field.send_keys(text)
generate_random_delay() # Delay
search_field.send_keys(Keys.RETURN)
except Exception as err:
print(err)
return False
return True
def skip_question(self):
try:
start_time = time()
self.driver.find_element_by_id("ext-skip-btn").click()
while self.driver.find_element_by_id("countdown").text != "10 min":
end_time = time()
elapsed_time = end_time - start_time
if elapsed_time >= TIMEOUT_TIME:
raise TimeoutException
except StaleElementReferenceException as err:
generate_random_delay() # Delay
except TimeoutException as err:
# Refresh page
self.refresh_current_tab()
# Check if bot has been compromised or not
if self.is_bot_compromised():
if not self.solve_captcha_automatically():
solve_captcha_manually()
except Exception as err:
print(err)
return
print("Question skipped\n")
