27
27
# Path must be empty.
28
28
# The arguments determine what is to be done on this file.
30
# "action". One of the tutorialservice actions.
30
31
# "exercise" - The path to a exercise file (including the .xml extension),
31
# relative to the subjects base directory.
32
# "code" - Full text of the student's code being submitted.
33
# "action". May be "test". (More to come).
32
# relative to the subjects base directory.
33
# action "save" or "test" (POST only):
34
# "code" - Full text of the student's code being submitted.
35
# action "getattempts": No arguments. Returns a list of
36
# {'date': 'formatted_date', 'complete': bool} dicts.
37
# action "getattempt":
38
# "date" - Formatted date. Gets most recent attempt before (and including)
40
# Returns JSON string containing code, or null.
35
42
# Returns a JSON response string indicating the results.
42
from common import (db, util)
47
"""Handler for Ajax backend TutorialService app."""
48
# Set request attributes
49
req.write_html_head_foot = False # No HTML
52
req.throw_error(req.HTTP_BAD_REQUEST)
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# Get all the arguments, if POST.
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# Ignore arguments if not POST, since we aren't allowed to cause
55
# side-effects on the server.
56
fields = req.get_fieldstorage()
57
act = fields.getfirst('action')
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exercise = fields.getfirst('exercise')
59
code = fields.getfirst('code')
61
if exercise == None or code == None or act == None:
62
req.throw_error(req.HTTP_BAD_REQUEST)
64
exercise = exercise.value
68
handle_save(req, exercise, code, fields)
70
handle_test(req, exercise, code, fields)
72
handle_run(req, exercise, code, fields)
74
req.throw_error(req.HTTP_BAD_REQUEST)
76
def handle_save(req, exercise, code, fields):
77
"""Handles a save action. This saves the user's code without executing it.
79
# Need to open JUST so we know this is a real exercise.
80
# (This avoids users submitting code for bogus exercises).
81
exercisefile = util.open_exercise_file(exercise)
82
if exercisefile is None:
83
req.throw_error(req.HTTP_NOT_FOUND,
84
"The exercise was not found.")
87
req.write('{"result": "ok"}')
92
conn.write_problem_save(
93
login = req.user.login,
94
exercisename = exercise,
95
date = time.localtime(),
100
def handle_test(req, exercise, code, fields):
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"""Handles a test action."""
103
exercisefile = util.open_exercise_file(exercise)
104
if exercisefile is None:
105
req.throw_error(req.HTTP_NOT_FOUND,
106
"The exercise was not found.")
108
# Parse the file into a exercise object using the test suite
109
exercise_obj = test.parse_exercise_file(exercisefile)
111
# Run the test cases. Get the result back as a JSONable object.
113
test_results = exercise_obj.run_tests(code)
117
conn.insert_problem_attempt(
118
login = req.user.login,
119
exercisename = exercise,
120
date = time.localtime(),
121
complete = test_results['passed'],
51
from ivle import console
55
import test # XXX: Really .test, not real test.
57
from ivle.webapp.base.rest import JSONRESTView
59
from ivle.webapp.base.rest import named_operation
61
# If True, getattempts or getattempt will allow browsing of inactive/disabled
62
# attempts. If False, will not allow this.
63
HISTORY_ALLOW_INACTIVE = False
65
TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S'
68
class AttemptsRESTView(JSONRESTView):
70
Class to return a list of attempts for a given exercise, or add an Attempt
73
"""Handles a GET Attempts action."""
74
exercise = ivle.database.Exercise.get_by_name(req.store,
76
user = ivle.database.User.get_by_login(req.store, self.username)
78
attempts = ivle.worksheet.get_exercise_attempts(req.store, user,
79
exercise, allow_inactive=HISTORY_ALLOW_INACTIVE)
80
# attempts is a list of ExerciseAttempt objects. Convert to dictionaries
81
time_fmt = lambda dt: datetime.datetime.strftime(dt, TIMESTAMP_FORMAT)
82
attempts = [{'date': time_fmt(a.date), 'complete': a.complete}
84
attempts.append(self.exercise)
88
def PUT(self, req, data):
90
exercisefile = util.open_exercise_file(self.exercise)
91
if exercisefile is None:
92
req.throw_error(req.HTTP_NOT_FOUND,
93
"The exercise was not found.")
95
# Start a console to run the tests on
96
jail_path = os.path.join(ivle.conf.jail_base, req.user.login)
97
working_dir = os.path.join("/home", req.user.login)
98
cons = console.Console(req.user.unixid, jail_path, working_dir)
100
# Parse the file into a exercise object using the test suite
101
exercise_obj = test.parse_exercise_file(exercisefile, cons)
104
# Run the test cases. Get the result back as a JSONable object.
106
test_results = exercise_obj.run_tests(code)
111
# Get the Exercise from the database
112
exercise = ivle.database.Exercise.get_by_name(req.store, exercisesrc)
114
attempt = ivle.database.ExerciseAttempt(user=req.user,
116
date=datetime.datetime.now(),
117
complete=test_results['passed'],
118
text=unicode(code)) # XXX
120
req.store.add(attempt)
124
122
# Query the DB to get an updated score on whether or not this problem
125
123
# has EVER been completed (may be different from "passed", if it has
126
124
# been completed before), and the total number of attempts.
127
completed, attempts = conn.get_problem_status(req.user.login,
125
completed, attempts = ivle.worksheet.get_exercise_status(req.store,
129
127
test_results["completed"] = completed
130
128
test_results["attempts"] = attempts
132
req.write(cjson.encode(test_results))
136
def handle_run(req, exercise, code, fields):
137
"""Handles a run action."""
138
# Extremely makeshift.
139
# For now, just echo the code back
141
out_json = {"stdout": output}
142
req.write(cjson.encode(out_json))
133
class AttemptRESTView(JSONRESTView):
135
View used to extract the data of a specified attempt
139
# Get an actual date object, rather than a string
140
date = datetime.datetime.strptime(self.date, TIMESTAMP_FORMAT)
142
exercise = ivle.database.Exercise.get_by_name(req.store, self.exercise)
143
attempt = ivle.worksheet.get_exercise_attempt(req.store, req.user,
144
exercise, as_of=date, allow_inactive=HISTORY_ALLOW_INACTIVE)
145
if attempt is not None:
146
attempt = attempt.text
147
# attempt may be None; will write "null"
148
return {'code': attempt}
150
class ExerciseRESTView(JSONRESTView):
152
Handles a save action. This saves the user's code without executing it.
155
def save(self, req, user, text):
156
# Need to open JUST so we know this is a real exercise.
157
# (This avoids users submitting code for bogus exercises).
158
exercisefile = util.open_exercise_file(self.exercise)
159
if exercisefile is None:
160
req.throw_error(req.HTTP_NOT_FOUND,
161
"The exercise was not found.")
164
exercise = ivle.database.Exercise.get_by_name(req.store, self.exercise)
165
ivle.worksheet.save_exercise(req.store, req.user, exercise,
166
unicode(code), datetime.datetime.now())
168
return {"result": "ok"}
added
removed
ivle/webapp/tutorial/service.py
