fa24

.gitignore

@@ -1 +1,2 @@
 playground.*
+__pycache__

mongodb/Dockerfile

@@ -1,26 +1,23 @@
-# You can change these variables to use a different base image, but
-# you must ensure that your base image inherits from one of ours.
-# You can also override these at build time with --build-arg flags
 ARG BASE_REPO=gradescope/autograder-base
 ARG TAG=latest
 
 FROM ${BASE_REPO}:${TAG}
 
-ADD source /autograder/source
+RUN python3 -m pip install pymongo
 
-RUN cp /autograder/source/run_autograder /autograder/run_autograder
+RUN curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg --dearmor
+RUN export OS_VER=`cat /etc/os-release | grep VERSION_CODENAME` && \
+    export OS_VER=${OS_VER#*=} && \
+    printf "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu "${OS_VER}"/mongodb-org/7.0 multiverse\n">/etc/apt/sources.list.d/mongodb.list
 
-# Ensure that scripts are Unix-friendly and executable
+RUN apt-get update 
-RUN dos2unix /autograder/run_autograder /autograder/source/setup.sh
+RUN mkdir -p /data/db
-RUN chmod +x /autograder/run_autograder
+RUN apt install -y mongodb-org
+RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-# Do whatever setup was needed in setup.sh, including installing apt packages
+ADD source /autograder/source
-# Cleans up the apt cache afterwards in the same step to keep the image small
-RUN apt-get update && \
-    bash /autograder/source/setup.sh && \
-    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-# You can also use RUN commands in the Dockerfile to install things
+RUN cp /autograder/source/run_autograder /autograder/run_autograder
-# instead of using a bash script
 
-# The base image defines the CMD and ENTRYPOINT, so don't redefine those
+RUN dos2unix /autograder/run_autograder 
+RUN chmod +x /autograder/run_autograder

mongodb/source/autograder.py

@@ -1,16 +1,23 @@
-import pymongo, json
+import pymongo, json, re
-
+from bson import json_util
 print('ver: 1.5')
 # dbprep
 fsroot = '/autograder/source/'
-datasets = ['congress', 'bills']
+datasets = ['movies', 'comments']
 db = pymongo.MongoClient('mongodb://127.0.0.1')['test']
-
+points = (4,4,5,5,8,8,8,8)
 
 def postproc_str(data : str): # relaxed str matching
-    import re
+    return re.sub(r'[\s|_|.]', '', data.lower())
-    data = re.sub(r'[\s|_|.]', '', data.lower())
+
-    return re.sub(r'sponser', 'sponsor', data)
+def postproc_keys(data : str): 
+    if type(data) is not str: 
+        return postproc_iter(data)
+    _dict = {}
+    data = postproc_str(data)
+    for k, v in _dict.items():
+        data = re.sub(k, v, data)
+    return data
 
 def comparator(a, b):
     cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
@@ -42,7 +49,7 @@ def comparator(a, b):
             case _:
                 return cmp(hash(type(a)), hash(type(b)))
 
-def postproc_iter(data): 
+def postproc_iter(data, naive = False): 
     from collections.abc import Iterable
     from functools import cmp_to_key
     try:
@@ -50,11 +57,14 @@ def postproc_iter(data):
             case str():
                 return postproc_str(data)
             case dict():
-                return { postproc_iter(k):postproc_iter(v) for k, v in data.items() }
+                return { 
+                    (i if naive else postproc_keys(k)) : postproc_iter(v, naive)
+                         for i, (k, v) in enumerate(data.items()) 
+                }
             case Iterable(): # flatten, remove order and empty iterables
                 res = type(data)(
                     sorted(
-                        [postproc_iter(d) for d in data 
+                        [postproc_iter(d, naive) for d in data 
                             if not isinstance(d, Iterable) or d]
                     , key = cmp_to_key(comparator))
                 )
@@ -66,20 +76,26 @@ def postproc_iter(data):
         return data
     
 
+
 def evaluate(query : str):
-    import re
+    if type(query) is not str: 
+        return tuple(evaluate(q) for q in query)
     query = re.sub(r'//[^\n]*', '', query)
     query = re.sub(r'(\$?[\d\w_]+)[\s\r\n]*:', r'"\1" :', query)
     query = re.sub(r'[\r\n]|.\s*pretty\s*\(\s*\)|.\s*sort\s*\([^\)]*\)', '', query).strip()
+    if not query: return [None] * 2
     query = re.sub(r'.\s*aggregate\s*\(\s*([^\[^\s][^\)]*)\)', r'.aggregate([\1])', query)
 
     if query.endswith(';'): query = query[:-1]
     true = True
-    return postproc_iter(list(eval(query))) if query else None
+    data = list(eval(query))
+    return [postproc_iter(data, n) if query else None for n in (True, False)]
 
 for d in datasets:    
     with open(fsroot + d + '.json', encoding = 'utf-8') as f:
-        db[d].insert_many(json.load(f))
+        # ds = re.sub(r'{\s*"\$oid"\s*:\s*("\w*")\s*}', r'ObjectId(\1)', f.read())
+        jsonds = '[' + f.read().strip().replace('\n', ',') + ']'
+        db[d].insert_many(json.loads(jsonds, object_hook=json_util.object_hook))
 
 from solution import sols
 answers = [evaluate(s) for s in sols]
@@ -120,6 +136,7 @@ def grade78(ans, i):
                 return False
     return True
 
+wa = rte = False
 if submissions: 
     submission = submissions[0]
     
@@ -132,27 +149,35 @@ if submissions:
             q = getattr(module, f'query{i + 1}')()
             ans = evaluate(q)
             def eq(i):
-                if i in (6, 7):
+                _cmp = lambda a, b: any(aa == bb for aa, bb in zip(a, b))
-                    return grade78(ans, i)
+                if type(answers[i]) is tuple:
+                    return any(_cmp(ans, aa) for aa in answers[i])
                 else:
-                    return ans == answers[i]
+                    return _cmp(ans, answers[i])
             if eq(i):
-                grade += 1
+                grade += points[i]
                 feedback += 'Correct.\n'
             else:
                 feedback += 'Wrong Answer.\n'
+                wa = True
                 print('ans: ', ans, '\nsol: ', answers[i])
         except Exception as e:
+            rte = True
             feedback += 'Runtime Error.\n'
             print (e)
 else:
     feedback += 'No python file in submission.\n'    
 
+max_score = sum(points)
+
+if rte:
+    feedback += ('\nPlease check for syntax errors first if you encountered runtime errors.\n' +  
+        'If you believe it\'s a mistake, contact the TA at sun1226@purdue.edu for assistance.')
 # output
 results = {
     'output': feedback,
-    'score': grade * 100 / n_queries, 
+    'score': grade, 
-    'max_score': 100,
+    'max_score': max_score,
 }
 
 with open('/autograder/results/results.json', 'w') as res:

mongodb/source/run_autograder

@@ -8,13 +8,3 @@ cd -
 
 python3 /autograder/source/autograder.py
 
-# files_submitted=$(ls /autograder/submission)
-# num_files_submitted=$(ls /autograder/submission/ | wc -l)
-
-# cat > /autograder/results/results.json <<EOF
-# {
-#   "output": "Good job, you passed! Submitted ${num_files_submitted} files: ${files_submitted}",
-#   "score": 10,
-#   "max_score": 10
-# }
-# EOF

mongodb/source/setup.sh

@@ -1,10 +0,0 @@
-apt install -y curl python3 python3-pip
-curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg --dearmor
-export OS_VER=`cat /etc/os-release | grep VERSION_CODENAME` &&\
-export OS_VER=${OS_VER#*=} &&\
-    printf "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu "${OS_VER}"/mongodb-org/7.0 multiverse\n">/etc/apt/sources.list.d/mongodb.list
-apt update
-apt install -y mongodb-org
-mkdir -p /data/db
-cd /data
-python3 -m pip install pymongo

mongodb/source/solution.py

@@ -1,47 +1,77 @@
-sols = ['db.bills.find({sponsor_name:"Marco Rubio"}, {_id:0, title: 1, sponsor_name:1, sponsor_state:1})', 
+sols = ['db.movies.find({year: 1928}, {_id: 0, title: 1, plot: 1})', 
-        'db.bills.find({cosponsors:{$gte:3, $lte:5}}, {_id:0, title:1, sponsor_name:1, cosponsors:1})', 
+        """db.movies.find({'awards.wins' :{$gt: 200}}, {_id: 0, title: 1, 'awards_wins': '$awards.wins'})""", 
-        'db.bills.find({$or:[{cosponsors:{$gte:3, $lte:5}}, {sponsor_name:"Marco Rubio"}]}, {_id:0, title:1, sponsor_name:1, cosponsors:1})', 
+        """db.movies.find({'imdb.votes' :{$gt: 100}, 'imdb.rating':{$gt: 9.0}}, {_id: 0, title: 1, 'imdb.votes': 1, 'imdb.rating':1})""", 
-        '''db.congress.aggregate([
+        """
-            { $match: {"state": "IN"} }, 
+            db.movies.aggregate([{$unwind: '$directors'},
-            { $group: {_id: "$role_type", count_of_this_role: {$sum:1} } }, 
+            {$match: {year: {$gte: 1915, $lte: 1920}}},
-            { $sort: {count_of_this_role: -1} }, 
+            {$group: {_id: '$directors', count_of_movies: {$sum: 1}}},
-            { $project: {_id: 1, count_of_this_role: 1} }
+            { $sort: {count_of_movies: -1} }
-        ])''', 
+            ])
-        '''db.bills.aggregate([
+        """, 
+        """
+            db.comments.aggregate([ 
+                { $lookup: {
+                from: "movies",
+                localField: "movie_id",
+                foreignField: "_id",
+                as:"MovieDetails"}}, 
+                { $unwind: "$MovieDetails" },
+                {$project: {name:1, "Movie_imdb_rating": "$MovieDetails.imdb.rating"}},
+                {$group: {_id: '$name', count_of_comments: {$sum:1}, average_movie_ratings: {$avg: "$Movie_imdb_rating"}}},
+                {$match: {count_of_comments: {$gt: 250}}}
+            ])
+        """, 
+        ("""
+            db.movies.aggregate([
+            {$unwind: "$cast"},
+            {$match: {year:1996}},
+            {$project: {cast: 1}},
+            {$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
+            {$match: {CountOfMovies:{$gt: 3}}},
+            { $sort: {CountOfMovies: -1} }
+            ])
+        """, 
+        """
+            db.movies.aggregate([
+            {$unwind: "$cast"},
+            {$match: {year:1996}},
+            {$project: {cast: 1}},
+            {$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
+            {$match: {CountOfMovies:{$gte: 3}}},
+            { $sort: {CountOfMovies: -1} }
+            ])
+        """), 
+        ("""
+            db.comments.aggregate([ 
             { $lookup: {
-                from: "congress",
+            from: "movies",
-                localField: "sponsor_id",
+            localField: "movie_id",
-                foreignField: "person.bioguideid",
+            foreignField: "_id",
-                as:"congressMember"} },
+            as:"MovieDetails"}}, 
-            { $unwind: "$congressMember" },
+            {$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
-            { $project: {_id: 0, title:1, sponsor_name: 1, "description": "$congressMember.description", "DOB": "$congressMember.person.birthday"} }
+            {$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
-        ])''', 
+            {$match:{"_id.Genres": "Crime", comment_count:{$gt: 35}}},
-        '''db.bills.aggregate([
+            {$project: {_id:0, name : "$_id.name", comment_count: 1}}
-            { $unwind: "$committee_codes" }, 
+            ])
-            { $project: {committee_codes: 1} },
+        """,
-            { $group: {_id: "$committee_codes", countOfCommittee: {$sum:1} } }, 
+        """
-            { $sort: {countOfCommittee: -1} }, 
+            db.comments.aggregate([ 
-        ])''', 
-        '''db.bills.aggregate([
-            { $project: {_id: 1, title:1, sponsor_name: 1, sponsor_state:1}},
             { $lookup: {
-                from: "bills",
+            from: "movies",
-                localField: "sponsor_state",
+            localField: "movie_id",
-                foreignField: "sponsor_state",
+            foreignField: "_id",
-                as:"otherBills"} },
+            as:"MovieDetails"}}, 
-            { $unwind: "$otherBills" },
+            {$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
-            { $project: {title: 1, sponsor_name: 1, sponsor_state: 1, otherbill_id: "$otherBills._id", otherbill_title: "$otherBills.title", otherbill_sponsor_name: "$otherBills.sponsor_name", otherbill_sponsor_state: "$otherBills.sponsor_state"}},
+            {$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
-            { $match: {$expr: {$lt: ["$_id", "$otherbill_id"]}}}    
+            {$match:{"_id.Genres": "Crime", comment_count:{$gte: 35}}},
-        ])''',
+            {$project: {_id:0, name : "$_id.name", comment_count: 1}}
-        '''db.congress.aggregate([
+            ])
-            { $project: {_id: 1, firstname: "$person.firstname", lastname: "$person.lastname", state: 1}},
+        """), 
-            { $lookup: {
+        """
-                from: "congress",
+            db.movies.aggregate([
-                localField: "lastname",
+            {$unwind: '$cast'},
-                foreignField: "person.lastname",
+            {$unwind: '$directors'},
-                as:"otherPersons"} },
+            {$match: {$expr: {$eq: ["$cast", "$directors"]}}},
-            { $unwind: "$otherPersons" },    
+            {$project: {title:1, directors: 1}}
-            { $match: {$expr: {$lt: ["$_id", "$otherPersons._id"]}}},
+            ])
-            { $project: {_id:1, firstname: 1, lastname: 1, state:1, otherPerson_id: "$otherPersons._id", otherPerson_firstname: "$otherPersons.person.firstname", otherPerson_lastname: "$otherPersons.person.lastname", otherPerson_state: "$otherPersons.state"}},
+        """]
-            { $match: {$expr: {$eq: ["$state", "$otherPerson_state"]}}},
-        ])''']

neo4j/Dockerfile

@@ -1,26 +1,22 @@
-# You can change these variables to use a different base image, but
-# you must ensure that your base image inherits from one of ours.
-# You can also override these at build time with --build-arg flags
 ARG BASE_REPO=gradescope/autograder-base
 ARG TAG=latest
 
 FROM ${BASE_REPO}:${TAG}
 
-ADD source /autograder/source
-
-RUN cp /autograder/source/run_autograder /autograder/run_autograder
 
-# Ensure that scripts are Unix-friendly and executable
+RUN curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key | gpg --dearmor -o /usr/share/keyrings/neo4j.gpg
-RUN dos2unix /autograder/run_autograder /autograder/source/setup.sh
+RUN echo "deb [signed-by=/usr/share/keyrings/neo4j.gpg] https://debian.neo4j.com stable latest" > /etc/apt/sources.list.d/neo4j.list
-RUN chmod +x /autograder/run_autograder
 
-# Do whatever setup was needed in setup.sh, including installing apt packages
+RUN python3 -m pip install neo4j 
-# Cleans up the apt cache afterwards in the same step to keep the image small
+RUN apt-get update 
-RUN apt-get update && \
+RUN apt install -y neo4j
-    bash /autograder/source/setup.sh && \
+RUN sed -i '1s/^/server.default_listen_address=0.0.0.0\n/' /etc/neo4j/neo4j.conf
-    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-# You can also use RUN commands in the Dockerfile to install things
+RUN service neo4j start
-# instead of using a bash script
+RUN neo4j-admin dbms set-initial-password 4Sfz541Lm --require-password-change=false
+ADD source /autograder/source
 
-# The base image defines the CMD and ENTRYPOINT, so don't redefine those
+RUN cp /autograder/source/run_autograder /autograder/run_autograder
+RUN dos2unix /autograder/run_autograder
+RUN chmod +x /autograder/run_autograder

neo4j/source/Neo4J_dataset.txt

@@ -1,47 +0,0 @@
-CREATE
-(gorman:Author {name:"Gorman, Michael"}),
-(toner:Author {name:"Toner, Patrick"}),
-(koslicki:Author {name:"Koslicki, Kathrin"}),
-(fine:Author {name:"Fine, Kit"}),
-(roger:Author {name:"Roger, Cat"}),
-(beth:Author {name:"Beth, Dog"}),
-(art1:Article {doi:"10.5840/ipq20064626", title:"Independence and Substance"}),
-(art2:Article {doi:"10.1007/s11098-010-9521-4", title:"Independence Accounts of Substance and Substantial Parts"}),
-(art3:Article {doi:"10.1007/s11098-011-9708-3", title:"On Substantial Independence: a Reply to Patrick Toner"}),
-(art4:Article {doi:"10.1080/05568640609485174", title:"Substance and Identity-Dependence"}),
-(art5:Article {doi:"10.2307/4545221", title:"Ontological Dependence"}),
-(art6:Article {doi:"10.2307/4519752", title:"Yet Another Title"}),
-(art7:Article {doi:"10.2308/4547590", title:"Seventh Title"}),
-(chp1:Chapter {no:9, title:"Substance, Independence, and Unity"}),
-(chp2:Chapter {no:10, title:"Chapter on Making Chapters"}),
-(ipq:Journal {title:"International Philosophical Quarterly", ISSN:"0019-0365", onlineISSN:"2153-8077"}),
-(ps:Journal {title:"Philosophical Studies", ISSN:"0031-8116", onlineISSN:"1573-0883"}),
-(pp:Journal {title:"Philosophical Papers", ISSN:"0556-8641", onlineISSN:"1996-8523"}),
-(pas:Journal {title:"Proceedings of the Aristotelian Society", ISSN:"0066-7374", onlineISSN:"1467-9264"}),
-(hitm:Journal {title:"History in the making", ISSN:"0084-7649", onlineISSN:"1235-7549"}),
-(ssj:Journal {title:"Something Something Journal", ISSN:"0420-6729", onlineISSN:"5964-3248"}),
-(gorman)-[:WRITES]->(art1)-[:IN {pp:[147,159]} ]->(:Issue {volume:46, issue:2, year:2006, month:6})-[:OF]->(ipq),
-(toner)-[:WRITES]->(art2)-[:IN {pp:[37,43]} ]->(:Issue {volume:155, issue:1, year:2011, month:8})-[:OF]->(ps),
-(gorman)-[:WRITES]->(art3)-[:IN {pp:[239,297]} ]->(:Issue {volume:159, issue:2, year:2012, month:6})-[:OF]->(ps),
-(gorman)-[:WRITES]->(art4)-[:IN {pp:[103,118]} ]->(:Issue {volume:35, issue:1, year:2006, month:3})-[:OF]->(pp),
-(fine)-[:WRITES]->(art5)-[:IN {pp:[269,290]} ]->(:Issue {volume:95, year:1995})-[:OF]->(pas),
-(roger)-[:WRITES]->(art6)-[:IN {pp:[206,300]} ]->(:Issue {volume:24, year:1996})-[:OF]->(hitm),
-(beth)-[:WRITES]->(art7)-[:IN {pp:[0,5]} ]->(:Issue {volume:32, year:1903})-[:OF]->(ssj),
-(koslicki)-[:WRITES]->(chp1)-[:IN {pp:[169,195]} ]->(book:Book {title:"Aristotle on Method and Metaphysics", `ISBN-10`:"0230360912", `ISBN-13`:"978-0230360914", year:2013, month:7})<-[:EDITS]-(feser:Author {name:"Feser, Edward"}),
-(beth)-[:WRITES]->(chp2)-[:IN {pp:[104,109]} ]->(book2:Book {title:"Book Name is Two", `ISBN-10`:"023546382", `ISBN-13`:"978-0230346584", year:2003, month:9})<-[:EDITS]-(tim:Author {name:"Tim, Bob"}),
-(book)<-[:PUBLISHED_BY]-(pub:Publisher {location:"London", name:"Palgrave Macmillan"}),
-(book2)<-[:PUBLISHED_BY]-(pub2:Publisher {location:"Madagascar", name:"Alex Lion"}),
-(art1)-[:CITES]->(art5),
-(art2)-[:CITES]->(art1),
-(art2)-[:CITES]->(art4),
-(art3)-[:CITES]->(art2),
-(art3)-[:CITES]->(art4),
-(art5)-[:CITES]->(art6),
-(art7)-[:CITES]->(art3),
-(art6)-[:CITES]->(art1),
-(chp1)-[:CITES]->(art1),
-(chp1)-[:CITES]->(art2),
-(chp2)-[:CITES]->(art3),
-(chp1)-[:CITES]->(art6),
-(chp2)-[:CITES]->(art7),
-(chp1)-[:CITES]->(art3)

neo4j/source/autograder.py

@@ -1,15 +1,28 @@
-import neo4j, json
+import neo4j, json, re
-print('ver: 1.3')
+print('ver: 1.33')
 
 # dbprep
 fsroot = '/autograder/source/'
-datasets = ['Neo4J_dataset']
+datasets = ['databaseCreateQueries']
 db = neo4j.GraphDatabase.driver('bolt://localhost:7687', auth = ('neo4j', '4Sfz541Lm')).session()
 
+points = (5,)*10
+
 def postproc_str(data : str): # relaxed str matching
-    import re
     return re.sub(r'[\s|_|.]', '', data.lower())
 
+def postproc_keys(data : str): 
+    if type(data) is not str: 
+        return postproc_iter(data)
+    _dict = {r'count\(\*\)': 'cnt', 
+             r'efamily': 'family', 
+             r'sname': 'aname', 
+             r'size\(continents\)': 'numberofcontinent'}
+    data = postproc_str(data)
+    for k, v in _dict.items():
+        data = re.sub(k, v, data)
+    return data
+
 def comparator(a, b):
     cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
     try: 
@@ -26,7 +39,6 @@ def comparator(a, b):
                         return c
             else: return 1
             return 0
-        
         match (a, b):
             case (dict(), dict()):
                 return itcmp([*a.keys(), *a.values()], [*b.keys(), *b.values()])
@@ -37,7 +49,7 @@ def comparator(a, b):
             case _:
                 return cmp(hash(type(a)), hash(type(b)))
             
-def postproc_iter(data): 
+def postproc_iter(data, naive = False): 
     from collections.abc import Iterable
     from functools import cmp_to_key
     try:
@@ -45,11 +57,14 @@ def postproc_iter(data):
             case str():
                 return postproc_str(data)
             case dict():
-                return { postproc_iter(k):postproc_iter(v) for k, v in data.items() }
+                return { 
+                    (i if naive else postproc_keys(k)) : postproc_iter(v, naive)
+                         for i, (k, v) in enumerate(data.items()) 
+                }
             case Iterable(): # flatten, remove order and empty iterables
                 res = type(data)(
                     sorted(
-                        [postproc_iter(d) for d in data 
+                        [postproc_iter(d, naive) for d in data 
                             if not isinstance(d, Iterable) or d]
                     , key = cmp_to_key(comparator))
                 )
@@ -60,9 +75,11 @@ def postproc_iter(data):
         print(e)
         return data
     
+
 def evaluate(query : str):
     query = query.strip()
-    return postproc_iter(db.run(query).data()) if query else None
+    return [postproc_iter(db.run(query).data(), n) 
+                 if query else None for n in (False, True)]
 
 while True:
     try:
@@ -87,6 +104,7 @@ submissions = [subroot + f for f in listdir(subroot) if f.strip().lower().endswi
 
 grade = 0
 n_queries = len(sols)
+wa = rte = False
 
 if submissions: 
     submission = submissions[0]
@@ -101,25 +119,32 @@ if submissions:
             def eq(a: list, b):
                 if type(b) is tuple:
                     return any(eq(a, bb) for bb in b)
-                else: return a == b                
+                else: 
+                    return any(aa == bb for aa, bb in zip(a, b)) 
             ans = evaluate(q)
             if eq(ans, answers[i]):
-                grade += 1
+                grade += points[i]
                 feedback += 'Correct.\n'
             else:
+                wa = True
                 feedback += 'Wrong Answer.\n'
                 print('ans: ', ans, '\nsol: ', answers[i])
         except Exception as e:
+            rte = True
             feedback += 'Runtime Error.\n'
             print(e)
 else:
     feedback += 'No python file in submission.\n'    
 
+if rte:
+    feedback += ('\nPlease check for syntax errors if you encountered runtime errors.\n' +  
+        'If you believe it\'s a mistake, contact the TA at sun1226@purdue.edu for assistance.')
+
 # output
 results = {
     'output': feedback,
-    'score': round(grade * 100 / n_queries, 1), 
+    'score': grade, 
-    'max_score': 100,
+    'max_score': sum(points),
 }
 
 with open('/autograder/results/results.json', 'w') as res:

neo4j/source/databaseCreateQueries.txt

@@ -0,0 +1,488 @@
+CREATE (continent1:Continent{name:'North America'})
+CREATE (continent2:Continent{name:'South America'})
+CREATE (continent3:Continent{name:'Asia'})
+CREATE (continent4:Continent{name:'Europe'})
+CREATE (continent5:Continent{name:'Australia'})
+
+
+CREATE (region1:Region{name:'N. Virginia', launched:2006})
+CREATE (region2:Region{name:'Oregon', launched:2011})
+CREATE (region3:Region{name:'N. California', launched:2009})
+CREATE (region4:Region{name:'Ireland', launched:2007})
+CREATE (region5:Region{name:'Singapore', launched:2010})
+CREATE (region6:Region{name:'Tokyo', launched:2011})
+CREATE (region7:Region{name:'Sydney', launched:2012})
+CREATE (region8:Region{name:'Sao Paulo', launched:2011})
+CREATE (region9:Region{name:'GovCloud', launched:2011})
+CREATE (region10:Region{name:'Beijing', launched:2014})
+
+CREATE (availabilityzone1:AvailabilityZone{name:'eu-west-1a'})
+CREATE (availabilityzone2:AvailabilityZone{name:'eu-west-1b'})
+CREATE (availabilityzone3:AvailabilityZone{name:'eu-west-1c'})
+CREATE (availabilityzone4:AvailabilityZone{name:'us-east-1a'})
+CREATE (availabilityzone5:AvailabilityZone{name:'us-east-1b'})
+CREATE (availabilityzone6:AvailabilityZone{name:'us-east-1c'})
+CREATE (availabilityzone7:AvailabilityZone{name:'us-east-1d'})
+CREATE (availabilityzone8:AvailabilityZone{name:'us-west-2a'})
+CREATE (availabilityzone9:AvailabilityZone{name:'us-west-2b'})
+CREATE (availabilityzone10:AvailabilityZone{name:'us-west-2c'})
+CREATE (availabilityzone11:AvailabilityZone{name:'us-west-1a'})
+CREATE (availabilityzone12:AvailabilityZone{name:'us-west-1c'})
+CREATE (availabilityzone13:AvailabilityZone{name:'ap-southeast-1a'})
+CREATE (availabilityzone14:AvailabilityZone{name:'ap-southeast-1b'})
+CREATE (availabilityzone15:AvailabilityZone{name:'ap-northeast-1a'})
+CREATE (availabilityzone16:AvailabilityZone{name:'ap-northeast-1b'})
+CREATE (availabilityzone17:AvailabilityZone{name:'ap-northeast-1c'})
+CREATE (availabilityzone18:AvailabilityZone{name:'ap-southeast-2a'})
+CREATE (availabilityzone19:AvailabilityZone{name:'ap-southeast-2b'})
+CREATE (availabilityzone20:AvailabilityZone{name:'sa-east-1a'})
+CREATE (availabilityzone21:AvailabilityZone{name:'sa-east-1b'})
+
+CREATE (region1)-[:IS_LOCATED_IN]->(continent1)
+CREATE (region2)-[:IS_LOCATED_IN]->(continent1)
+CREATE (region3)-[:IS_LOCATED_IN]->(continent1)
+CREATE (region4)-[:IS_LOCATED_IN]->(continent4)
+CREATE (region5)-[:IS_LOCATED_IN]->(continent3)
+CREATE (region6)-[:IS_LOCATED_IN]->(continent3)
+CREATE (region7)-[:IS_LOCATED_IN]->(continent5)
+CREATE (region8)-[:IS_LOCATED_IN]->(continent2)
+CREATE (region9)-[:IS_LOCATED_IN]->(continent1)
+CREATE (region10)-[:IS_LOCATED_IN]->(continent3)
+
+CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone1)
+CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone2)
+CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone3)
+CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone4)
+CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone5)
+CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone6)
+CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone7)
+CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone8)
+CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone9)
+CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone10)
+CREATE (region3)-[:HAS_ISOLATED]->(availabilityzone11)
+CREATE (region3)-[:HAS_ISOLATED]->(availabilityzone12)
+CREATE (region5)-[:HAS_ISOLATED]->(availabilityzone13)
+CREATE (region5)-[:HAS_ISOLATED]->(availabilityzone14)
+CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone15)
+CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone16)
+CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone17)
+CREATE (region7)-[:HAS_ISOLATED]->(availabilityzone18)
+CREATE (region7)-[:HAS_ISOLATED]->(availabilityzone19)
+CREATE (region8)-[:HAS_ISOLATED]->(availabilityzone20)
+CREATE (region8)-[:HAS_ISOLATED]->(availabilityzone21)
+
+CREATE (service1:Service{name:'Amazon Elastic Compute Cloud'})
+CREATE (service2:Service{name:'Amazon CloudWatch'})
+CREATE (service3:Service{name:'Amazon Virtual Private Cloud'})
+CREATE (service4:Service{name:'Amazon Simple Storage Service'})
+CREATE (service5:Service{name:'Amazon Elastic Block Store'})
+CREATE (service6:Service{name:'Auto Scaling'})
+CREATE (service7:Service{name:'Amazon Simple Queue Service'})
+CREATE (service8:Service{name:'Amazon Simple Notification Service'})
+CREATE (service9:Service{name:'Elastic Load Balancing'})
+CREATE (service10:Service{name:'AWS Support'})
+CREATE (service11:Service{name:'Amazon DynamoDB'})
+CREATE (service12:Service{name:'Amazon Relational Database Service'})
+CREATE (service13:Service{name:'Amazon Simple Workflow Service'})
+CREATE (service14:Service{name:'Amazon Elastic MapReduce'})
+CREATE (service15:Service{name:'AWS Direct Connect'})
+CREATE (service16:Service{name:'AWS CloudFormation'})
+CREATE (service17:Service{name:'VM Import/Export'})
+CREATE (service18:Service{name:'AWS Elastic Beanstalk'})
+CREATE (service19:Service{name:'AWS Storage Gateway'})
+CREATE (service20:Service{name:'Amazon SimpleDB'})
+CREATE (service21:Service{name:'Amazon ElastiCache'})
+CREATE (service22:Service{name:'Amazon Elastic Transcoder'})
+CREATE (service23:Service{name:'Amazon Redshift'})
+CREATE (service24:Service{name:'Amazon CloudSearch'})
+CREATE (service25:Service{name:'AWS Import/Export'})
+CREATE (service26:Service{name:'Amazon Glacier'})
+CREATE (service27:Service{name:'High Performance Computing'})
+CREATE (service28:Service{name:'AWS CloudHSM'})
+CREATE (service29:Service{name:'AWS CloudTrail'})
+CREATE (service30:Service{name:'Amazon Simple Email Service'})
+CREATE (service31:Service{name:'AWS Data Pipeline'})
+CREATE (service32:Service{name:'Amazon Kinesis'})
+
+CREATE (region1)-[:OFFERS_SERVICE]->(service1)
+CREATE (region1)-[:OFFERS_SERVICE]->(service2)
+CREATE (region1)-[:OFFERS_SERVICE]->(service3)
+CREATE (region1)-[:OFFERS_SERVICE]->(service4)
+CREATE (region1)-[:OFFERS_SERVICE]->(service5)
+CREATE (region1)-[:OFFERS_SERVICE]->(service6)
+CREATE (region1)-[:OFFERS_SERVICE]->(service7)
+CREATE (region1)-[:OFFERS_SERVICE]->(service8)
+CREATE (region1)-[:OFFERS_SERVICE]->(service9)
+CREATE (region1)-[:OFFERS_SERVICE]->(service10)
+CREATE (region1)-[:OFFERS_SERVICE]->(service11)
+CREATE (region1)-[:OFFERS_SERVICE]->(service12)
+CREATE (region1)-[:OFFERS_SERVICE]->(service13)
+CREATE (region1)-[:OFFERS_SERVICE]->(service14)
+CREATE (region1)-[:OFFERS_SERVICE]->(service15)
+CREATE (region1)-[:OFFERS_SERVICE]->(service16)
+CREATE (region1)-[:OFFERS_SERVICE]->(service17)
+CREATE (region1)-[:OFFERS_SERVICE]->(service18)
+CREATE (region1)-[:OFFERS_SERVICE]->(service19)
+CREATE (region1)-[:OFFERS_SERVICE]->(service20)
+CREATE (region1)-[:OFFERS_SERVICE]->(service21)
+CREATE (region1)-[:OFFERS_SERVICE]->(service22)
+CREATE (region1)-[:OFFERS_SERVICE]->(service23)
+CREATE (region1)-[:OFFERS_SERVICE]->(service24)
+CREATE (region1)-[:OFFERS_SERVICE]->(service25)
+CREATE (region1)-[:OFFERS_SERVICE]->(service26)
+CREATE (region1)-[:OFFERS_SERVICE]->(service27)
+CREATE (region1)-[:OFFERS_SERVICE]->(service28)
+CREATE (region1)-[:OFFERS_SERVICE]->(service29)
+CREATE (region1)-[:OFFERS_SERVICE]->(service30)
+CREATE (region1)-[:OFFERS_SERVICE]->(service31)
+CREATE (region1)-[:OFFERS_SERVICE]->(service32)
+
+CREATE (region2)-[:OFFERS_SERVICE]->(service1)
+CREATE (region2)-[:OFFERS_SERVICE]->(service2)
+CREATE (region2)-[:OFFERS_SERVICE]->(service3)
+CREATE (region2)-[:OFFERS_SERVICE]->(service4)
+CREATE (region2)-[:OFFERS_SERVICE]->(service5)
+CREATE (region2)-[:OFFERS_SERVICE]->(service6)
+CREATE (region2)-[:OFFERS_SERVICE]->(service7)
+CREATE (region2)-[:OFFERS_SERVICE]->(service8)
+CREATE (region2)-[:OFFERS_SERVICE]->(service9)
+CREATE (region2)-[:OFFERS_SERVICE]->(service10)
+CREATE (region2)-[:OFFERS_SERVICE]->(service11)
+CREATE (region2)-[:OFFERS_SERVICE]->(service12)
+CREATE (region2)-[:OFFERS_SERVICE]->(service13)
+CREATE (region2)-[:OFFERS_SERVICE]->(service14)
+CREATE (region2)-[:OFFERS_SERVICE]->(service15)
+CREATE (region2)-[:OFFERS_SERVICE]->(service16)
+CREATE (region2)-[:OFFERS_SERVICE]->(service17)
+CREATE (region2)-[:OFFERS_SERVICE]->(service18)
+CREATE (region2)-[:OFFERS_SERVICE]->(service19)
+CREATE (region2)-[:OFFERS_SERVICE]->(service20)
+CREATE (region2)-[:OFFERS_SERVICE]->(service21)
+CREATE (region2)-[:OFFERS_SERVICE]->(service22)
+CREATE (region2)-[:OFFERS_SERVICE]->(service23)
+CREATE (region2)-[:OFFERS_SERVICE]->(service24)
+CREATE (region2)-[:OFFERS_SERVICE]->(service25)
+CREATE (region2)-[:OFFERS_SERVICE]->(service26)
+CREATE (region2)-[:OFFERS_SERVICE]->(service27)
+CREATE (region2)-[:OFFERS_SERVICE]->(service28)
+CREATE (region2)-[:OFFERS_SERVICE]->(service29)
+
+CREATE (region3)-[:OFFERS_SERVICE]->(service1)
+CREATE (region3)-[:OFFERS_SERVICE]->(service2)
+CREATE (region3)-[:OFFERS_SERVICE]->(service3)
+CREATE (region3)-[:OFFERS_SERVICE]->(service4)
+CREATE (region3)-[:OFFERS_SERVICE]->(service5)
+CREATE (region3)-[:OFFERS_SERVICE]->(service6)
+CREATE (region3)-[:OFFERS_SERVICE]->(service7)
+CREATE (region3)-[:OFFERS_SERVICE]->(service8)
+CREATE (region3)-[:OFFERS_SERVICE]->(service9)
+CREATE (region3)-[:OFFERS_SERVICE]->(service10)
+CREATE (region3)-[:OFFERS_SERVICE]->(service11)
+CREATE (region3)-[:OFFERS_SERVICE]->(service12)
+CREATE (region3)-[:OFFERS_SERVICE]->(service13)
+CREATE (region3)-[:OFFERS_SERVICE]->(service14)
+CREATE (region3)-[:OFFERS_SERVICE]->(service15)
+CREATE (region3)-[:OFFERS_SERVICE]->(service16)
+CREATE (region3)-[:OFFERS_SERVICE]->(service17)
+CREATE (region3)-[:OFFERS_SERVICE]->(service18)
+CREATE (region3)-[:OFFERS_SERVICE]->(service19)
+CREATE (region3)-[:OFFERS_SERVICE]->(service20)
+CREATE (region3)-[:OFFERS_SERVICE]->(service21)
+CREATE (region3)-[:OFFERS_SERVICE]->(service22)
+CREATE (region3)-[:OFFERS_SERVICE]->(service24)
+CREATE (region3)-[:OFFERS_SERVICE]->(service25)
+CREATE (region3)-[:OFFERS_SERVICE]->(service26)
+
+CREATE (region4)-[:OFFERS_SERVICE]->(service1)
+CREATE (region4)-[:OFFERS_SERVICE]->(service2)
+CREATE (region4)-[:OFFERS_SERVICE]->(service3)
+CREATE (region4)-[:OFFERS_SERVICE]->(service4)
+CREATE (region4)-[:OFFERS_SERVICE]->(service5)
+CREATE (region4)-[:OFFERS_SERVICE]->(service6)
+CREATE (region4)-[:OFFERS_SERVICE]->(service7)
+CREATE (region4)-[:OFFERS_SERVICE]->(service8)
+CREATE (region4)-[:OFFERS_SERVICE]->(service9)
+CREATE (region4)-[:OFFERS_SERVICE]->(service10)
+CREATE (region4)-[:OFFERS_SERVICE]->(service11)
+CREATE (region4)-[:OFFERS_SERVICE]->(service12)
+CREATE (region4)-[:OFFERS_SERVICE]->(service13)
+CREATE (region4)-[:OFFERS_SERVICE]->(service14)
+CREATE (region4)-[:OFFERS_SERVICE]->(service15)
+CREATE (region4)-[:OFFERS_SERVICE]->(service16)
+CREATE (region4)-[:OFFERS_SERVICE]->(service17)
+CREATE (region4)-[:OFFERS_SERVICE]->(service18)
+CREATE (region4)-[:OFFERS_SERVICE]->(service19)
+CREATE (region4)-[:OFFERS_SERVICE]->(service20)
+CREATE (region4)-[:OFFERS_SERVICE]->(service21)
+CREATE (region4)-[:OFFERS_SERVICE]->(service22)
+CREATE (region4)-[:OFFERS_SERVICE]->(service23)
+CREATE (region4)-[:OFFERS_SERVICE]->(service24)
+CREATE (region4)-[:OFFERS_SERVICE]->(service25)
+CREATE (region4)-[:OFFERS_SERVICE]->(service26)
+CREATE (region4)-[:OFFERS_SERVICE]->(service27)
+CREATE (region4)-[:OFFERS_SERVICE]->(service28)
+CREATE (region4)-[:OFFERS_SERVICE]->(service30)
+
+CREATE (region5)-[:OFFERS_SERVICE]->(service1)
+CREATE (region5)-[:OFFERS_SERVICE]->(service2)
+CREATE (region5)-[:OFFERS_SERVICE]->(service3)
+CREATE (region5)-[:OFFERS_SERVICE]->(service4)
+CREATE (region5)-[:OFFERS_SERVICE]->(service5)
+CREATE (region5)-[:OFFERS_SERVICE]->(service6)
+CREATE (region5)-[:OFFERS_SERVICE]->(service7)
+CREATE (region5)-[:OFFERS_SERVICE]->(service8)
+CREATE (region5)-[:OFFERS_SERVICE]->(service9)
+CREATE (region5)-[:OFFERS_SERVICE]->(service10)
+CREATE (region5)-[:OFFERS_SERVICE]->(service11)
+CREATE (region5)-[:OFFERS_SERVICE]->(service12)
+CREATE (region5)-[:OFFERS_SERVICE]->(service13)
+CREATE (region5)-[:OFFERS_SERVICE]->(service14)
+CREATE (region5)-[:OFFERS_SERVICE]->(service15)
+CREATE (region5)-[:OFFERS_SERVICE]->(service16)
+CREATE (region5)-[:OFFERS_SERVICE]->(service17)
+CREATE (region5)-[:OFFERS_SERVICE]->(service18)
+CREATE (region5)-[:OFFERS_SERVICE]->(service19)
+CREATE (region5)-[:OFFERS_SERVICE]->(service20)
+CREATE (region5)-[:OFFERS_SERVICE]->(service21)
+CREATE (region5)-[:OFFERS_SERVICE]->(service22)
+CREATE (region5)-[:OFFERS_SERVICE]->(service23)
+CREATE (region5)-[:OFFERS_SERVICE]->(service24)
+CREATE (region5)-[:OFFERS_SERVICE]->(service25)
+
+CREATE (region6)-[:OFFERS_SERVICE]->(service1)
+CREATE (region6)-[:OFFERS_SERVICE]->(service2)
+CREATE (region6)-[:OFFERS_SERVICE]->(service3)
+CREATE (region6)-[:OFFERS_SERVICE]->(service4)
+CREATE (region6)-[:OFFERS_SERVICE]->(service5)
+CREATE (region6)-[:OFFERS_SERVICE]->(service6)
+CREATE (region6)-[:OFFERS_SERVICE]->(service7)
+CREATE (region6)-[:OFFERS_SERVICE]->(service8)
+CREATE (region6)-[:OFFERS_SERVICE]->(service9)
+CREATE (region6)-[:OFFERS_SERVICE]->(service10)
+CREATE (region6)-[:OFFERS_SERVICE]->(service11)
+CREATE (region6)-[:OFFERS_SERVICE]->(service12)
+CREATE (region6)-[:OFFERS_SERVICE]->(service13)
+CREATE (region6)-[:OFFERS_SERVICE]->(service14)
+CREATE (region6)-[:OFFERS_SERVICE]->(service15)
+CREATE (region6)-[:OFFERS_SERVICE]->(service16)
+CREATE (region6)-[:OFFERS_SERVICE]->(service17)
+CREATE (region6)-[:OFFERS_SERVICE]->(service18)
+CREATE (region6)-[:OFFERS_SERVICE]->(service19)
+CREATE (region6)-[:OFFERS_SERVICE]->(service20)
+CREATE (region6)-[:OFFERS_SERVICE]->(service21)
+CREATE (region6)-[:OFFERS_SERVICE]->(service22)
+CREATE (region6)-[:OFFERS_SERVICE]->(service23)
+CREATE (region6)-[:OFFERS_SERVICE]->(service26)
+CREATE (region6)-[:OFFERS_SERVICE]->(service27)
+
+CREATE (region7)-[:OFFERS_SERVICE]->(service1)
+CREATE (region7)-[:OFFERS_SERVICE]->(service2)
+CREATE (region7)-[:OFFERS_SERVICE]->(service3)
+CREATE (region7)-[:OFFERS_SERVICE]->(service4)
+CREATE (region7)-[:OFFERS_SERVICE]->(service5)
+CREATE (region7)-[:OFFERS_SERVICE]->(service6)
+CREATE (region7)-[:OFFERS_SERVICE]->(service7)
+CREATE (region7)-[:OFFERS_SERVICE]->(service8)
+CREATE (region7)-[:OFFERS_SERVICE]->(service9)
+CREATE (region7)-[:OFFERS_SERVICE]->(service10)
+CREATE (region7)-[:OFFERS_SERVICE]->(service11)
+CREATE (region7)-[:OFFERS_SERVICE]->(service12)
+CREATE (region7)-[:OFFERS_SERVICE]->(service13)
+CREATE (region7)-[:OFFERS_SERVICE]->(service14)
+CREATE (region7)-[:OFFERS_SERVICE]->(service15)
+CREATE (region7)-[:OFFERS_SERVICE]->(service16)
+CREATE (region7)-[:OFFERS_SERVICE]->(service17)
+CREATE (region7)-[:OFFERS_SERVICE]->(service18)
+CREATE (region7)-[:OFFERS_SERVICE]->(service19)
+CREATE (region7)-[:OFFERS_SERVICE]->(service20)
+CREATE (region7)-[:OFFERS_SERVICE]->(service21)
+CREATE (region7)-[:OFFERS_SERVICE]->(service23)
+CREATE (region7)-[:OFFERS_SERVICE]->(service26)
+CREATE (region7)-[:OFFERS_SERVICE]->(service28)
+
+CREATE (region8)-[:OFFERS_SERVICE]->(service1)
+CREATE (region8)-[:OFFERS_SERVICE]->(service2)
+CREATE (region8)-[:OFFERS_SERVICE]->(service3)
+CREATE (region8)-[:OFFERS_SERVICE]->(service4)
+CREATE (region8)-[:OFFERS_SERVICE]->(service5)
+CREATE (region8)-[:OFFERS_SERVICE]->(service6)
+CREATE (region8)-[:OFFERS_SERVICE]->(service7)
+CREATE (region8)-[:OFFERS_SERVICE]->(service8)
+CREATE (region8)-[:OFFERS_SERVICE]->(service9)
+CREATE (region8)-[:OFFERS_SERVICE]->(service10)
+CREATE (region8)-[:OFFERS_SERVICE]->(service11)
+CREATE (region8)-[:OFFERS_SERVICE]->(service12)
+CREATE (region8)-[:OFFERS_SERVICE]->(service13)
+CREATE (region8)-[:OFFERS_SERVICE]->(service14)
+CREATE (region8)-[:OFFERS_SERVICE]->(service15)
+CREATE (region8)-[:OFFERS_SERVICE]->(service16)
+CREATE (region8)-[:OFFERS_SERVICE]->(service18)
+CREATE (region8)-[:OFFERS_SERVICE]->(service19)
+CREATE (region8)-[:OFFERS_SERVICE]->(service20)
+CREATE (region8)-[:OFFERS_SERVICE]->(service21)
+
+CREATE (region9)-[:OFFERS_SERVICE]->(service1)
+CREATE (region9)-[:OFFERS_SERVICE]->(service2)
+CREATE (region9)-[:OFFERS_SERVICE]->(service3)
+CREATE (region9)-[:OFFERS_SERVICE]->(service4)
+CREATE (region9)-[:OFFERS_SERVICE]->(service5)
+CREATE (region9)-[:OFFERS_SERVICE]->(service6)
+CREATE (region9)-[:OFFERS_SERVICE]->(service7)
+CREATE (region9)-[:OFFERS_SERVICE]->(service8)
+CREATE (region9)-[:OFFERS_SERVICE]->(service9)
+CREATE (region9)-[:OFFERS_SERVICE]->(service10)
+CREATE (region9)-[:OFFERS_SERVICE]->(service11)
+CREATE (region9)-[:OFFERS_SERVICE]->(service12)
+CREATE (region9)-[:OFFERS_SERVICE]->(service13)
+CREATE (region9)-[:OFFERS_SERVICE]->(service14)
+CREATE (region9)-[:OFFERS_SERVICE]->(service15)
+CREATE (region9)-[:OFFERS_SERVICE]->(service16)
+CREATE (region9)-[:OFFERS_SERVICE]->(service27)
+
+CREATE (region10)-[:OFFERS_SERVICE]->(service1)
+CREATE (region10)-[:OFFERS_SERVICE]->(service2)
+CREATE (region10)-[:OFFERS_SERVICE]->(service3)
+CREATE (region10)-[:OFFERS_SERVICE]->(service4)
+CREATE (region10)-[:OFFERS_SERVICE]->(service5)
+CREATE (region10)-[:OFFERS_SERVICE]->(service6)
+CREATE (region10)-[:OFFERS_SERVICE]->(service7)
+CREATE (region10)-[:OFFERS_SERVICE]->(service8)
+CREATE (region10)-[:OFFERS_SERVICE]->(service9)
+CREATE (region10)-[:OFFERS_SERVICE]->(service10)
+CREATE (region10)-[:OFFERS_SERVICE]->(service11)
+CREATE (region10)-[:OFFERS_SERVICE]->(service12)
+CREATE (region10)-[:OFFERS_SERVICE]->(service13)
+CREATE (region10)-[:OFFERS_SERVICE]->(service14)
+CREATE (region10)-[:OFFERS_SERVICE]->(service16)
+CREATE (region10)-[:OFFERS_SERVICE]->(service17)
+CREATE (region10)-[:OFFERS_SERVICE]->(service19)
+CREATE (region10)-[:OFFERS_SERVICE]->(service21)
+CREATE (region10)-[:OFFERS_SERVICE]->(service26)
+
+CREATE (instance1:EC2InstanceType{name:'m1.small', family:'general purpose', memory:1.7 })-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance2:EC2InstanceType{name:'m1.medium', family:'general purpose', memory:3.75})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance3:EC2InstanceType{name:'m1.large', family:'general purpose', memory:7.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance4:EC2InstanceType{name:'m1.xlarge', family:'general purpose', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance5:EC2InstanceType{name:'m3.xlarge', family:'general purpose', memory:15 })-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance6:EC2InstanceType{name:'m3.2xlarge', family:'general purpose', memory:30})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance7:EC2InstanceType{name:'c1.medium', family:'Compute optimized', memory:1.7})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance8:EC2InstanceType{name:'c1.xlarge', family:'Compute optimized', memory:7})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance9:EC2InstanceType{name:'c3.large', family:'Compute optimized', memory:3.75})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance10:EC2InstanceType{name:'c3.xlarge', family:'Compute optimized', memory:7.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance11:EC2InstanceType{name:'c3.2xlarge', family:'Compute optimized', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance12:EC2InstanceType{name:'c3.4xlarge', family:'Compute optimized', memory:30})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance13:EC2InstanceType{name:'c3.8xlarge', family:'Compute optimized', memory:60})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance14:EC2InstanceType{name:'cc2.8xlarge', family:'Compute optimized', memory:60.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance15:EC2InstanceType{name:'m2.xlarge', family:'Memory optimized', memory:17.1})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance16:EC2InstanceType{name:'m2.2xlarge', family:'Memory optimized', memory:34.2})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance17:EC2InstanceType{name:'m2.4xlarge', family:'Memory optimized', memory:68.4})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance18:EC2InstanceType{name:'cr1.8xlarge', family:'Memory optimized', memory:244})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance19:EC2InstanceType{name:'hi1.4xlarge', family:'Storage optimized', memory:60.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance20:EC2InstanceType{name:'hs1.8xlarge', family:'Storage optimized', memory:117})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance21:EC2InstanceType{name:'i2.xlarge', family:'Storage optimized', memory:30.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance22:EC2InstanceType{name:'Â i2.2xlarge', family:'Storage optimized', memory:61})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance23:EC2InstanceType{name:'i2.4xlarge ', family:'Storage optimized', memory:122})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance24:EC2InstanceType{name:'i2.8xlarge', family:'Storage optimized', memory:244})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance25:EC2InstanceType{name:'t1.micro', family:'Micro instances', memory:.615})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance26:EC2InstanceType{name:'cg1.4xlarge', family:'GPU instances', memory:22.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+CREATE (instance27:EC2InstanceType{name:'g2.2xlarge', family:'GPU instances', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
+
+CREATE (instance27)-[:IS_EC2_INSTANCE_TYPE]->(service2)
+CREATE (instance1)-[:IS_EC2_INSTANCE_TYPE]->(service3)
+CREATE (instance22)-[:IS_EC2_INSTANCE_TYPE]->(service3)
+CREATE (instance11)-[:IS_EC2_INSTANCE_TYPE]->(service3)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service4)
+CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service5)
+CREATE (instance17)-[:IS_EC2_INSTANCE_TYPE]->(service5)
+CREATE (instance22)-[:IS_EC2_INSTANCE_TYPE]->(service6)
+CREATE (instance11)-[:IS_EC2_INSTANCE_TYPE]->(service7)
+CREATE (instance1)-[:IS_EC2_INSTANCE_TYPE]->(service8)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service8)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service8)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service9)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service2)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service10)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service11)
+CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service12)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service13)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service14)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service15)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service16)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service17)
+CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service18)
+CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service19)
+CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service20)
+CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service21)
+CREATE (instance4)-[:IS_EC2_INSTANCE_TYPE]->(service22)
+CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service23)
+CREATE (instance26)-[:IS_EC2_INSTANCE_TYPE]->(service16)
+CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service17)
+CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service10)
+CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service11)
+CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service12)
+CREATE (instance7)-[:IS_EC2_INSTANCE_TYPE]->(service13)
+CREATE (instance17)-[:IS_EC2_INSTANCE_TYPE]->(service14)
+CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service15)
+CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service16)
+CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service17)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service17)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service10)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service11)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service12)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service13)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service14)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service15)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service16)
+CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service17)
+
+
+//instance 9
+CREATE (price1:Price{name:'PriceBook', desc:'region 1 price book', cost_per_hour:0.150})
+CREATE (price2:Price{name:'PriceBook', desc:'region 2 pricebook', cost_per_hour:0.150})
+CREATE (price3:Price{name:'PriceBook', desc:'region 3 pricebook', cost_per_hour:0.171})
+
+CREATE (region1)-[:CHARGES]->(price1)-[:FOR_INSTANCE]->(instance9)
+CREATE (region2)-[:CHARGES]->(price2)-[:FOR_INSTANCE]->(instance9)
+CREATE (region3)-[:CHARGES]->(price3)-[:FOR_INSTANCE]->(instance9)
+
+
+//instance1
+CREATE (price4:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.060})
+CREATE (region1)-[:CHARGES]->(price4)-[:FOR_INSTANCE]->(instance1)
+
+//instance 10
+CREATE (price5:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.300})
+CREATE (price6:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.300})
+CREATE (price7:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.342})
+
+CREATE (region1)-[:CHARGES]->(price5)-[:FOR_INSTANCE]->(instance10)
+CREATE (region2)-[:CHARGES]->(price6)-[:FOR_INSTANCE]->(instance10)
+CREATE (region3)-[:CHARGES]->(price7)-[:FOR_INSTANCE]->(instance10)
+
+
+//instance 11
+CREATE (price8:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.600})
+CREATE (price9:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.600})
+CREATE (price10:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.683})
+
+CREATE (region9)-[:CHARGES]->(price8)-[:FOR_INSTANCE]->(instance11)
+CREATE (region2)-[:CHARGES]->(price9)-[:FOR_INSTANCE]->(instance11)
+CREATE (region3)-[:CHARGES]->(price10)-[:FOR_INSTANCE]->(instance11)
+
+//instance 12
+CREATE (price11:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.200})
+CREATE (price12:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.200})
+CREATE (price13:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.366})
+
+CREATE (region1)-[:CHARGES]->(price11)-[:FOR_INSTANCE]->(instance12)
+CREATE (region2)-[:CHARGES]->(price12)-[:FOR_INSTANCE]->(instance12)
+CREATE (region3)-[:CHARGES]->(price13)-[:FOR_INSTANCE]->(instance12)
+
+//instance 13
+CREATE (price14:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.400})
+CREATE (price15:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.400})
+CREATE (price16:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.732})
+
+CREATE (region1)-[:CHARGES]->(price14)-[:FOR_INSTANCE]->(instance13)
+CREATE (region2)-[:CHARGES]->(price15)-[:FOR_INSTANCE]->(instance13)
+CREATE (region3)-[:CHARGES]->(price16)-[:FOR_INSTANCE]->(instance13) 

neo4j/source/run_autograder

@@ -6,13 +6,3 @@ service neo4j start
 
 python3 /autograder/source/autograder.py
 
-# files_submitted=$(ls /autograder/submission)
-# num_files_submitted=$(ls /autograder/submission/ | wc -l)
-
-# cat > /autograder/results/results.json <<EOF
-# {
-#   "output": "Good job, you passed! Submitted ${num_files_submitted} files: ${files_submitted}",
-#   "score": 10,
-#   "max_score": 10
-# }
-# EOF

neo4j/source/setup.sh

@@ -1,10 +0,0 @@
-apt install -y curl python3 python3-pip
-curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key | gpg --dearmor -o /usr/share/keyrings/neo4j.gpg
-echo "deb [signed-by=/usr/share/keyrings/neo4j.gpg] https://debian.neo4j.com stable latest" > /etc/apt/sources.list.d/neo4j.list
-apt update
-apt install -y neo4j
-sed -i '1s/^/server.default_listen_address=0.0.0.0\n/' /etc/neo4j/neo4j.conf
-systemctl enable --now neo4j
-neo4j-admin dbms set-initial-password 4Sfz541Lm --require-password-change=false
-
-python3 -m pip install neo4j 

neo4j/source/solution.py

@@ -1,73 +1,57 @@
 sols = [
     '''
-        MATCH (author:Author)-[:WRITES]->(article:Article)
+        MATCH (region:Region)-[:IS_LOCATED_IN]-(continent:Continent)
-        RETURN author.name, article.title
+        RETURN region.name, continent.name
-    ''', 
-    ('''
-        match (author:Author)-[:WRITES]->(paper_or_chapter) 
-        return author.name, paper_or_chapter.title, labels(paper_or_chapter)
     ''', 
     '''
-        MATCH (author:Author)-[:WRITES]->(paper_or_chapter)
+        MATCH (region:Region)-[:HAS_ISOLATED]-(azone:AvailabilityZone)
-        WITH author, paper_or_chapter, labels(paper_or_chapter) as publicationType 
+        RETURN region.name,azone.name
-        WHERE publicationType=["Article"] or publicationType=["Chapter"] 
-        RETURN author.name, paper_or_chapter.title, publicationType
-    '''),
-    ('''
-        match (author:Author)-[:WRITES|EDITS]->(publication) 
-        return author.name, publication.title, labels(publication)
     ''', 
     '''
-        MATCH (author:Author)-[]->(publication)
+        MATCH(e:EC2InstanceType)
-        WHERE publication:Article or publication:Chapter or publication:Book
+        return e.family, count(*)
-        RETURN author.name, publication.title, labels(publication)
-    '''), 
-    ('''
-        match (author:Author)-[:WRITES|EDITS]->(publication) 
-        return author.name, count(publication) as publication_count
     ''',
     '''
-        MATCH (author:Author)-[]->(publication)
+        MATCH(e:EC2InstanceType)--(p:Price)
-        WHERE publication:Article OR publication:Chapter or publication:Book
+        with e, p.cost_per_hour/e.memory as price_per_GB
-        RETURN author.name, count(publication) as publication_count
+        Order by price_per_GB
-    '''), 
+        Return e.name, price_per_GB
-    ('''
+        Limit 1
-        match(a:Article)-[in:IN]->(:Issue)
-        where (in.pp[1] - in.pp[0]) <= 10
-        return a.title, (in.pp[1] - in.pp[0] + 1) as NumberOfPages
     ''',
     '''
-        MATCH (a:Article)-[e:IN]->(:Issue)
+        match (service:Service)-[:OFFERS_SERVICE]-(region:Region) 
-        WITH a, e.pp[1]-e.pp[0]+1 as NumberOfPages
+        with service, count(region) as number_of_region, collect(region.name) as region_name_collection
-        WHERE NumberOfPages <=10
+        where number_of_region > 5
-        RETURN a.title, NumberOfPages
+        return service.name, number_of_region,region_name_collection
-    '''), 
+        order by number_of_region desc, service.name asc
+    ''',
     '''
-        MATCH (p2:Article)<-[]-(a1:Author)-[]->(p1:Article),(p1)-[:CITES]->(p2)
+        match (instance:EC2InstanceType)--(price:Price)--(region:Region {name: "N. Virginia"})
-        RETURN a1.name, p1.title, p2.title
+        where price.cost_per_hour > 1
+        return instance.name, price.cost_per_hour, region.name
     ''',
     '''
-        MATCH (publication)<-[:CITES]-()
+        match(a:Service)--(:Region)--(c:Continent)
-        WITH publication, count(*) as publication_count
+        with a, count(distinct c) as number_of_continent
-        WHERE (publication:Article or publication:Chapter) and publication_count >= 2
+        where number_of_continent = 5
-        RETURN publication.title, publication_count
+        return a.name, number_of_continent
     ''', 
-    ('''
+    '''
-        match (journal:Journal)<-[:OF]-(issue:Issue)<-[:IN]-(article:Article)<-[:CITES]-(someOtherPublication)
+        match (r:Region)-[:OFFERS_SERVICE]->(s1:Service {name:'AWS Data Pipeline'}), (r)-[:OFFERS_SERVICE]->(s2:Service {name:'Amazon Kinesis'})
-        with journal, article, count(someOtherPublication) as citations_count
+        return r.name
-        where citations_count > 1
-        match (article)<-[:WRITES]-(author:Author)
-        return journal.title, article.title, citations_count, author.name
     ''', 
     '''
-        MATCH (author:Author)-[:WRITES]->(article:Article)-[:IN]->()-[]->(journal:Journal), ()-[e:CITES]->(article:Article)
+        match (r:Region)-[:OFFERS_SERVICE]->(s1:Service {name:'Amazon Simple Email Service'})
-        WITH journal, article, author, count(e) as citation_count
+        WHERE NOT (r)-[:OFFERS_SERVICE]->(:Service {name:'AWS Data Pipeline'})
-        WHERE citation_count >= 2
+        return r.name
-        RETURN journal.title, article.title, citation_count, author.name
+    ''', 
-    '''), 
     '''
-        MATCH (a1:Article)-[:IN]->(i1:Issue)-[]->(:Journal)<-[]-(i2:Issue)<-[]-(a2:Article)
+        match(a:Service)<-[]-(e:EC2InstanceType {name: 'Â i2.2xlarge'})
-        WHERE (a1)-[:CITES]->(a2)
+        where NOT (a)<-[]-(:EC2InstanceType {name: 'c3.2xlarge'})
-        RETURN a1.title, i1.issue, a2.title, i2.issue
+        return a.name, 'offered only on i2.2xlarge' as description
+        union
+        match(a:Service)<-[]-(e:EC2InstanceType {name: 'Â i2.2xlarge'})
+        where (a)<-[]-(:EC2InstanceType {name: 'c3.2xlarge'})
+        return a.name, 'offered on i2.2xlarge and c3.2xlarge' as description
     '''
 ]

template_mongodb.py

@@ -0,0 +1,45 @@
+instr = '''Instructions:
+	Please put the queries under the corresponding functions below.
+	Running this python file will check if the formatting is okay.
+'''
+
+def query1():
+	return """
+	"""
+
+def query2():
+	return """
+	"""
+
+def query3():
+	return """
+	"""
+
+def query4():
+	return """
+	"""
+
+def query5():
+	return """
+	"""
+
+def query6():
+	return """
+	"""
+
+def query7():
+	return """
+	"""
+
+def query8():
+	return """
+	"""
+
+if __name__ == "__main__":
+	try:
+		if all(type(eval(f'query{f}()'))==str for f in range(1,9)):
+			print('Your submission is valid.')
+		else:
+			raise TypeError('Invalid Return Types.')
+	except Exception as e:
+		print(f'Your submission is invalid.\n{instr}\n{e}')

template_neo4j.py

@@ -0,0 +1,53 @@
+instr = '''Instructions:
+	Please put the queries under the corresponding functions below.
+	Running this python file will check if the formatting is okay.
+'''
+
+def query1():
+	return """
+	"""
+
+def query2():
+	return """
+	"""
+
+def query3():
+	return """
+	"""
+
+def query4():
+	return """
+	"""
+
+def query5():
+	return """
+	"""
+
+def query6():
+	return """
+	"""
+
+def query7():
+	return """
+	"""
+
+def query8():
+	return """
+	"""
+
+def query9():
+	return """
+	"""
+
+def query10():
+	return """
+	"""
+
+if __name__ == "__main__":
+	try:
+		if all(type(eval(f'query{f}()'))==str for f in range(1,11)):
+			print('Your submission is valid.')
+		else:
+			raise TypeError('Invalid Return Types.')
+	except Exception as e:
+		print(f'Your submission is invalid.\n{instr}\n{e}')