adding basic code files for project and capability demos

Author: dominict

1 gradetracker/GradeTracker.py

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+'''
+grade tracking program - think through the goal up front- what is the task and design?
+needs to enable several basic functions for teachers
+needs to have login to protect the student data
+'''
+#import libraries first
+import statistics as s
+
+#add constants next
+admins = {'Faculty1':'ABC123','Faculty2':'ABC123'}
+
+#Like the admins above is a dictionary but of students. Dictionaries use curly brackets with colons to associate keys with values. In this case, each student's first name is a key. The values are lists of grades. 
+#Lists are denoted with square brackets. Values are indexed within starting with 0 for the first one. Each value is separated by commas.
+students = {'Alex':[87,88,98],
+            'Sally':[88,67,93],
+            'Nboke':[90,88,78]}
+
+#Now we define functions. Functions encapsulate logic into reusable recipes that can be executed whenever we need them by calling their name with parentheses.
+def enterGrades():
+    nameToEnter = input('Student name: ')
+    gradeToEnter = input('Grade: ')
+    #This checks through the keys of the students dictionary to see if the name entered exactly matches any one in there.
+    if nameToEnter in students:
+        print('Adding grade for'+nameToEnter)
+        students[nameToEnter].append(float(gradeToEnter)) #float will have a .0
+        print(str(nameToEnter)+' now has these grades:')
+        print(students[nameToEnter])
+    else:
+        print('Student not found. Please check your spelling or go back and add if new.')
+
+def removeStudent():
+    nameToRemove = input('Who do you want to remove? ')
+    if nameToRemove in students:
+        print('Removing '+nameToRemove)
+        del students[nameToRemove]
+        print(students)
+    else:
+        print('Student not found.')
+
+def averageStudents():
+    for student in students:
+        grades = students[student]
+        average = s.mean(grades) #notice the s? we imported the statistuics module as s. Thus, we are using a fucntion called "mean()" from the statistics module.
+        print(student,' average ',average)
+
+def main():
+    print("User: " + login)
+    #Here we present our main menu options once a person logs in successfully.
+    print("""
+    Welcome to the Grade Tracker
+
+    [1] - Enter Grades
+    [2] - Remove Student
+    [3] - Student Averages
+    [4] - Exit
+    """)
+
+    action = input('What would you like to do? (Enter a number) ')
+    #Here we process their choice of what they want to do.
+    if action == '1':
+        #print('1 selected')
+        enterGrades()
+    elif action == '2':
+        #print('2 selected')
+        removeStudent()
+    elif action == '3':
+        #print('3 selected')
+        averageStudents()
+    elif action == '4':
+        #print('4 selected')
+        exit()
+    else:
+        print('Valid option not selected.') #need to cause it to reprompt
+
+login = input('User: ')
+
+if login in admins:
+    password = input('Password: ')
+    if admins[login] == password:
+        print('Welcome,',login)
+        #now run the code
+        while True:
+            main()
+    else:
+        print('Invalid password.')
+else:
+    print('Invalid user.')

2 ksu scrape/cms_scrape.py

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+'''
+To use this code, you will first need to install the three packages being imported below using pip.
+'''
+from bs4 import BeautifulSoup
+import requests
+import csv
+source = requests.get('http://coreyms.com').text
+soup = BeautifulSoup(source, 'lxml')
+#print(soup.prettify())
+#article = soup.find('article')
+#method to get all
+articles = soup.find_all('article')
+#print(article.prettify())
+for article in articles:
+    headline = article.h2.a.text
+    print(headline)
+    summary = article.find('div', class_='entry-content').p.text
+    print(summary)
+    #This try/except block handles the situation when a video is
+    try:
+        vid_src = article.find('iframe', class_='youtube-player')['src']
+        #print(vid_src)
+        vid_id = vid_src.split('/')[4]
+        vid_id = vid_id.split('?')[0]
+        #print(vid_id)
+        #f method below is only avilable in Python 3.6 and after
+        yt_link = f'https://youtube.com/watch?v={vid_id}'
+    except Exception as e:
+        yt_link = None
+    print(yt_link)
+    print()

2 ksu scrape/ksu_scrape.py

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+'''
+TO use this code, you will first need to install the three packages being imported below using pip or a manual install method.
+'''
+from bs4 import BeautifulSoup
+import requests
+import csv
+from datetime import datetime
+
+
+source = requests.get('http://news.kennesaw.edu/in-the-news/?&categories=in%20the%20news&year=2018').text
+
+soup = BeautifulSoup(source, 'lxml')
+
+ksu_news_csv = open("ksu_news "+"{:%B %d, %Y}".format(datetime.now())+".csv","w")
+csv_writer = csv.writer(ksu_news_csv)
+
+csv_writer.writerow(["Number","Title","Source","URL","Date"])
+
+#print(soup.prettify())
+
+#blog_post = soup.find('ul',class_='blog_listing')
+blog_posts = soup.find('ul',class_='blog_listing')
+
+blog_posts = blog_posts.find_all('li')
+
+#print(type(blog_posts))
+#blog_posts = blog_posts.split("<li>")
+#print(blog_posts.prettify())
+
+i = 1
+for blog_post in blog_posts:
+    
+    #print(i)
+    title = blog_post.a.text
+    title = title.split("(")
+    justtitle = title[0]
+    #print(title[0])
+    if len(title)>1:
+        source = title[1].strip(")")
+        #print(source)
+    else:
+        source = "No Source"
+        #print(source)
+
+    URL = blog_post.find('a')['href']
+    #print(URL)
+
+    date = blog_post.find("span").text
+    date = date.strip()
+    date = date.strip("–")
+    date = date.strip()
+    #print(date)
+    csv_writer.writerow([i,justtitle,source,URL,date])
+
+    i += 1
+    print()
+
+ksu_news_csv.close()