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CourseInfo.py
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CourseInfo.py
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import sys
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.chrome.options import Options
from selenium.common.exceptions import NoSuchElementException, StaleElementReferenceException
# Set up Chrome options
#chrome_options = Options()
#chrome_options.add_argument("--headless")
# Set up Chrome driver
#driver = webdriver.Chrome(options=chrome_options)
def format_time(time_str):
if ':00' in time_str:
return time_str.replace(':00', '')
return time_str
def format_prof_name(prof_name):
# Convert 'Y.Song' to 'Y. Song' for comparison
parts = prof_name.split('.')
return f"{parts[0]}. {parts[1]}"
def get_open_sections(course, term, time, include_online, prof,driver,criteria):
if criteria==False:
if term == "F":
term = 202401
elif term == "W":
term = 202402
elif term == "S":
term = 202403
# Format the time string if not skipped
if time.lower() != 'skip' and time != '':
start_time, end_time = time.split('-')
formatted_time = f"{format_time(start_time)}-{format_time(end_time)}"
else:
formatted_time = None
# Format professor name for comparison
formatted_prof = format_prof_name(prof) if prof.lower() != 'skip' else None
# Open the link
driver.get(f"https://classes.oregonstate.edu/?keyword={course}&srcdb={term}")
# Wait for the results to load
WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR, "div.result")))
sections = WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR, "div.result")))
for i, section in enumerate(sections):
try:
print(f"Processing section {i+1}...")
section = driver.find_elements(By.CSS_SELECTOR, "div.result")[i]
# Skip if the section is full
is_full_icons = section.find_elements(By.CSS_SELECTOR, "i.icon--warn[title='This section is full']")
if is_full_icons:
print(f"Section {i+1} is full, skipping...")
continue
# Get section information
result_link = section.find_element(By.CSS_SELECTOR, "a.result__link")
section_info = result_link.find_element(By.CSS_SELECTOR, ".result__flex--3").text.strip()
meet_time = result_link.find_element(By.CSS_SELECTOR, ".flex--grow").text.strip()
instructor = result_link.find_element(By.CSS_SELECTOR, ".result__flex--9.text--right").text.strip()
# Skip online classes if not included
section_number = ''.join(filter(str.isdigit, section_info))
if section_number and not include_online and 400 <= int(section_number) <= 550:
print(f"Section {section_number} is an online class, skipping...")
continue
# Time filtering
if formatted_time and formatted_time not in meet_time:
print(f"Section {i+1} is not at the right time, skipping...")
continue
# Professor filtering
if formatted_prof and formatted_prof.lower() not in instructor.lower():
print(f"Section {i+1} is not taught by {prof}, skipping...")
continue
# Print the section information
print(f"{section_info}\n{meet_time}\n{instructor}")
#return (f"{section_info}\n{meet_time}\n{instructor}")
except StaleElementReferenceException:
print(f"Stale element reference at section {i+1}, retrying...")
continue
except Exception as e:
print(f"An error occurred while processing section {i+1}: {e}")
return False
elif criteria==True:
if term == "F":
term = 202401
elif term == "W":
term = 202402
elif term == "S":
term = 202403
# Format the time string if not skipped
if time.lower() != 'skip' and time != '':
start_time, end_time = time.split('-')
formatted_time = f"{format_time(start_time)}-{format_time(end_time)}"
else:
formatted_time = None
# Format professor name for comparison
formatted_prof = format_prof_name(prof) if prof.lower() != 'skip' else None
# Open the link
driver.get(f"https://classes.oregonstate.edu/?keyword={course}&srcdb={term}")
# Wait for the results to load
WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR, "div.result")))
sections = WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR, "div.result")))
sections_to_choose={}
for i, section in enumerate(sections):
try:
print(f"Processing section {i+1}...")
meets_criteria = True
section = driver.find_elements(By.CSS_SELECTOR, "div.result")[i]
# Skip if the section is full
is_full_icons = section.find_elements(By.CSS_SELECTOR, "i.icon--warn[title='This section is full']")
if is_full_icons:
meets_criteria = False
print(f"Section {i+1} is full, skipping...")
continue
# Get section information
result_link = section.find_element(By.CSS_SELECTOR, "a.result__link")
section_info = result_link.find_element(By.CSS_SELECTOR, ".result__flex--3").text.strip()
meet_time = result_link.find_element(By.CSS_SELECTOR, ".flex--grow").text.strip()
instructor = result_link.find_element(By.CSS_SELECTOR, ".result__flex--9.text--right").text.strip()
# Skip online classes if not included
section_number = ''.join(filter(str.isdigit, section_info))
if section_number and not include_online and 400 <= int(section_number) <= 550:
meets_criteria = False
print(f"Section {section_number} is an online class, skipping...")
continue
# Time filtering
if formatted_time and formatted_time not in meet_time:
meets_criteria = False
print(f"Section {i+1} is not at the right time, skipping...")
continue
# Professor filtering
if formatted_prof and formatted_prof.lower() not in instructor.lower():
meets_criteria = False
print(f"Section {i+1} is not taught by {prof}, skipping...")
continue
if meets_criteria:
print(f"Section {i+1} meets the criteria!")
#print(f"Found open sections for {course} with {prof} at {time}")
crn=course
sections_to_choose[crn]=section_number
else:
print(f"Section {i+1} does not meet the criteria!")
#print(f"No open sections for {course} with {prof} at {time}")
# Print the section information
print(f"{section_info}\n{meet_time}\n{instructor}")
#return (f"{section_info}\n{meet_time}\n{instructor}")
except StaleElementReferenceException:
print(f"Stale element reference at section {i+1}, retrying...")
continue
except Exception as e:
print(f"An error occurred while processing section {i+1}: {e}")
return sections_to_choose
if __name__ == "__main__":
if len(sys.argv) != 6:
print("Usage: python CourseInfo.py <course> <term> <time> <include_online(T/F)> <professor>")
sys.exit(1)
course = sys.argv[1]
term = sys.argv[2]
time = sys.argv[3]
include_online = sys.argv[4].lower() == 't'
prof = sys.argv[5]
get_open_sections(course, term, time, include_online, prof)