Hari Kothapalli Bootcamp 4 HW: Course info

app.py

@@ -18,6 +18,8 @@ def eval(cmd, input=None):
         return shuttle.eval(cmd['args'])
     elif cmd['service'] == 'W': ## Weather
         return weather.eval(input)
+    elif cmd['courses'] == 'M': ## Courses
+        return courses.eval(input)
     else:
         return "ERROR 42: service not recognized"
 
@@ -33,6 +35,8 @@ def special(incoming):
         body = laundry.special
     elif incoming.upper() == "WEATHER":
         body = weather.special
+    elif incoming.upper() == "COURSES":
+        body = courses.special
     elif incoming.upper() == "DEMO":
         ## welcome/instructions
         body = 'Thanks for using Harvard Now!\n'

data.py

@@ -141,5 +141,6 @@
     {'service': 'S', 'args':{'endpoint': 'route', 'routeid': '4007272' , 'label': 'Barry\'s Corner Shuttle Route'}, 'tags':["BARRY'S",'BARRY', 'CORNER', 'SHUTTLE', 'ROUTE']},
     {'service': 'S', 'args':{'endpoint': 'route', 'routeid': '4007610' , 'label': 'Quad Stadium Express Shuttle Route'}, 'tags':['QUAD', 'STADIUM', 'EXPRESS', 'SHUTTLE', 'ROUTE']},
     {'service': 'S', 'args':{'endpoint': 'route', 'routeid': '4007650' , 'label': 'Allston Campus Express Shuttle Route'}, 'tags':['ALLSTON', 'CAMPUS', 'EXPRESS', 'SHUTTLE', 'ROUTE']},
-    {'service': 'W', 'args':{}, 'tags':['WEATHER']}
+    {'service': 'W', 'args':{}, 'tags':['WEATHER']},
+    {'service': 'M', 'args':{}, 'tags':['COURSES']}
 ]

services/__init__.py

@@ -1,3 +1,4 @@
 from laundry import laundry
 from shuttle import shuttle
 from weather import weather
+from courses import courses

services/courses/courses.py

@@ -0,0 +1,45 @@
+import urllib2
+from bs4 import BeautifulSoup
+
+#############################
+##    Course Function     ##
+#############################    
+
+def getCourseInfo(input):
+    url = 'https://courses.harvard.edu/search?'
+    url += 'sort=score%20desc%2Ccourse_title%20asc&start=0&rows=25'
+    url += '&q=%s' % input
+    website = urllib2.urlopen(url)
+    soup = BeautifulSoup(website.read(), 'html.parser')
+
+    try:
+        instructors = soup.find(id='srl_instructor').text.encode('unicode-escape')
+        desc = soup.find(id='srl_description').text.encode('unicode-escape')
+        credits = soup.find_all('p')[2].text.encode('unicode-escape')
+        location = soup.find_all('p')[3].text.encode('unicode-escape')
+
+        body = 'Instructors: ' + instructors + '\n'
+        body += desc + '\n'
+        body += credits + '\n'
+        body += location + '\n'
+
+    except Exception, e:
+        print str(e)
+        return "Could not find course data. Are you sure you gave a proper course name?"
+
+    return body
+
+
+def makeSpecial():
+    s = 'To get the info for a particular course, use the format \'courses course\'.'
+    return s
+
+############################
+##       Top-Level        ##
+############################
+
+## return list of valid laundry rooms
+special = makeSpecial()
+
+def eval(input):
+    return getCourseInfo(input)