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This commit is contained in:
Steve Strassmann
2013-05-08 09:48:47 -04:00
parent 129c02f0b2 b19c80ccb5
commit 15938dd8e4
14 changed files with 282 additions and 81 deletions
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41
common/djangoapps/util/memcache.py
View File

@@ -8,15 +8,42 @@ import urllib
def fasthash(string):
m = hashlib.new("md4")
m.update(string)
return m.hexdigest()
"""
Hashes `string` into a string representation of a 128-bit digest.
"""
md4 = hashlib.new("md4")
md4.update(string)
return md4.hexdigest()
def cleaned_string(val):
"""
Converts `val` to unicode and URL-encodes special characters
(including quotes and spaces)
"""
return urllib.quote_plus(smart_str(val))
def safe_key(key, key_prefix, version):
safe_key = urllib.quote_plus(smart_str(key))
"""
Given a `key`, `key_prefix`, and `version`,
return a key that is safe to use with memcache.
if len(safe_key) > 250:
safe_key = fasthash(safe_key)
`key`, `key_prefix`, and `version` can be numbers, strings, or unicode.
"""
return ":".join([key_prefix, str(version), safe_key])
# Clean for whitespace and control characters, which
# cause memcache to raise an exception
key = cleaned_string(key)
key_prefix = cleaned_string(key_prefix)
version = cleaned_string(version)
# Attempt to combine the prefix, version, and key
combined = ":".join([key_prefix, version, key])
# If the total length is too long for memcache, hash it
if len(combined) > 250:
combined = fasthash(combined)
# Return the result
return combined

1
common/djangoapps/util/tests/__init__.py Normal file
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@@ -0,0 +1 @@

124
common/djangoapps/util/tests/test_memcache.py Normal file
View File

@@ -0,0 +1,124 @@
"""
Tests for memcache in util app
"""
from django.test import TestCase
from django.core.cache import get_cache
from django.conf import settings
from util.memcache import safe_key
class MemcacheTest(TestCase):
"""
Test memcache key cleanup
"""
# Test whitespace, control characters, and some non-ASCII UTF-16
UNICODE_CHAR_CODES = ([c for c in range(0, 30)] + [127] +
[129, 500, 2 ** 8 - 1, 2 ** 8 + 1, 2 ** 16 - 1])
def setUp(self):
self.cache = get_cache('default')
def test_safe_key(self):
key = safe_key('test', 'prefix', 'version')
self.assertEqual(key, 'prefix:version:test')
def test_numeric_inputs(self):
# Numeric key
self.assertEqual(safe_key(1, 'prefix', 'version'), 'prefix:version:1')
# Numeric prefix
self.assertEqual(safe_key('test', 5, 'version'), '5:version:test')
# Numeric version
self.assertEqual(safe_key('test', 'prefix', 5), 'prefix:5:test')
def test_safe_key_long(self):
# Choose lengths close to memcached's cutoff (250)
for length in [248, 249, 250, 251, 252]:
# Generate a key of that length
key = 'a' * length
# Make the key safe
key = safe_key(key, '', '')
# The key should now be valid
self.assertTrue(self._is_valid_key(key),
msg="Failed for key length {0}".format(length))
def test_long_key_prefix_version(self):
# Long key
key = safe_key('a' * 300, 'prefix', 'version')
self.assertTrue(self._is_valid_key(key))
# Long prefix
key = safe_key('key', 'a' * 300, 'version')
self.assertTrue(self._is_valid_key(key))
# Long version
key = safe_key('key', 'prefix', 'a' * 300)
self.assertTrue(self._is_valid_key(key))
def test_safe_key_unicode(self):
for unicode_char in self.UNICODE_CHAR_CODES:
# Generate a key with that character
key = unichr(unicode_char)
# Make the key safe
key = safe_key(key, '', '')
# The key should now be valid
self.assertTrue(self._is_valid_key(key),
msg="Failed for unicode character {0}".format(unicode_char))
def test_safe_key_prefix_unicode(self):
for unicode_char in self.UNICODE_CHAR_CODES:
# Generate a prefix with that character
prefix = unichr(unicode_char)
# Make the key safe
key = safe_key('test', prefix, '')
# The key should now be valid
self.assertTrue(self._is_valid_key(key),
msg="Failed for unicode character {0}".format(unicode_char))
def test_safe_key_version_unicode(self):
for unicode_char in self.UNICODE_CHAR_CODES:
# Generate a version with that character
version = unichr(unicode_char)
# Make the key safe
key = safe_key('test', '', version)
# The key should now be valid
self.assertTrue(self._is_valid_key(key),
msg="Failed for unicode character {0}".format(unicode_char))
def _is_valid_key(self, key):
"""
Test that a key is memcache-compatible.
Based on Django's validator in core.cache.backends.base
"""
# Check the length
if len(key) > 250:
return False
# Check that there are no spaces or control characters
for char in key:
if ord(char) < 33 or ord(char) == 127:
return False
return True

2
common/djangoapps/util/tests.py → common/djangoapps/util/tests/test_zendesk.py
View File

@@ -1,4 +1,4 @@
"""Tests for the util package"""
"""Tests for the Zendesk"""
from django.conf import settings
from django.contrib.auth.models import AnonymousUser

4
common/lib/xmodule/xmodule/combined_open_ended_module.py
View File

@@ -203,9 +203,7 @@ class CombinedOpenEndedModule(CombinedOpenEndedFields, XModule):
def save_instance_data(self):
for attribute in self.student_attributes:
child_attr = getattr(self.child_module, attribute)
if child_attr != getattr(self, attribute):
setattr(self, attribute, getattr(self.child_module, attribute))
setattr(self, attribute, getattr(self.child_module, attribute))
class CombinedOpenEndedDescriptor(CombinedOpenEndedFields, RawDescriptor):

27
common/lib/xmodule/xmodule/js/src/peergrading/peer_grading.coffee
View File

@@ -8,20 +8,23 @@ class @PeerGrading
@use_single_location = @peer_grading_container.data('use-single-location')
@peer_grading_outer_container = $('.peer-grading-container')
@ajax_url = @peer_grading_container.data('ajax-url')
@error_container = $('.error-container')
@error_container.toggle(not @error_container.is(':empty'))
@message_container = $('.message-container')
@message_container.toggle(not @message_container.is(':empty'))
@problem_button = $('.problem-button')
@problem_button.click @show_results
@problem_list = $('.problem-list')
@construct_progress_bar()
if @use_single_location
if @use_single_location.toLowerCase() == "true"
#If the peer grading element is linked to a single location, then activate the backend for that location
@activate_problem()
else
#Otherwise, activate the panel view.
@error_container = $('.error-container')
@error_container.toggle(not @error_container.is(':empty'))
@message_container = $('.message-container')
@message_container.toggle(not @message_container.is(':empty'))
@problem_button = $('.problem-button')
@problem_button.click @show_results
@problem_list = $('.problem-list')
@construct_progress_bar()
construct_progress_bar: () =>
problems = @problem_list.find('tr').next()

14
common/lib/xmodule/xmodule/peer_grading_module.py
View File

@@ -11,7 +11,7 @@ from xmodule.raw_module import RawDescriptor
from xmodule.modulestore.django import modulestore
from .timeinfo import TimeInfo
from xblock.core import Object, Integer, Boolean, String, Scope
from xmodule.fields import Date, StringyFloat
from xmodule.fields import Date, StringyFloat, StringyInteger, StringyBoolean
from xmodule.open_ended_grading_classes.peer_grading_service import PeerGradingService, GradingServiceError, MockPeerGradingService
from open_ended_grading_classes import combined_open_ended_rubric
@@ -28,14 +28,14 @@ EXTERNAL_GRADER_NO_CONTACT_ERROR = "Failed to contact external graders. Please
class PeerGradingFields(object):
use_for_single_location = Boolean(help="Whether to use this for a single location or as a panel.",
use_for_single_location = StringyBoolean(help="Whether to use this for a single location or as a panel.",
default=USE_FOR_SINGLE_LOCATION, scope=Scope.settings)
link_to_location = String(help="The location this problem is linked to.", default=LINK_TO_LOCATION,
scope=Scope.settings)
is_graded = Boolean(help="Whether or not this module is scored.", default=IS_GRADED, scope=Scope.settings)
is_graded = StringyBoolean(help="Whether or not this module is scored.", default=IS_GRADED, scope=Scope.settings)
due_date = Date(help="Due date that should be displayed.", default=None, scope=Scope.settings)
grace_period_string = String(help="Amount of grace to give on the due date.", default=None, scope=Scope.settings)
max_grade = Integer(help="The maximum grade that a student can receieve for this problem.", default=MAX_SCORE,
max_grade = StringyInteger(help="The maximum grade that a student can receieve for this problem.", default=MAX_SCORE,
scope=Scope.settings)
student_data_for_location = Object(help="Student data for a given peer grading problem.",
scope=Scope.user_state)
@@ -93,9 +93,9 @@ class PeerGradingModule(PeerGradingFields, XModule):
if not self.ajax_url.endswith("/"):
self.ajax_url = self.ajax_url + "/"
if not isinstance(self.max_grade, (int, long)):
#This could result in an exception, but not wrapping in a try catch block so it moves up the stack
self.max_grade = int(self.max_grade)
#StringyInteger could return None, so keep this check.
if not isinstance(self.max_grade, int):
raise TypeError("max_grade needs to be an integer.")
def closed(self):
return self._closed(self.timeinfo)

40
lms/djangoapps/open_ended_grading/open_ended_notifications.py
View File

@@ -11,6 +11,7 @@ from util.cache import cache
import datetime
from xmodule.x_module import ModuleSystem
from mitxmako.shortcuts import render_to_string
import datetime
log = logging.getLogger(__name__)
@@ -104,6 +105,25 @@ def peer_grading_notifications(course, user):
def combined_notifications(course, user):
"""
Show notifications to a given user for a given course. Get notifications from the cache if possible,
or from the grading controller server if not.
@param course: The course object for which we are getting notifications
@param user: The user object for which we are getting notifications
@return: A dictionary with boolean pending_grading (true if there is pending grading), img_path (for notification
image), and response (actual response from grading controller server).
"""
#Set up return values so that we can return them for error cases
pending_grading = False
img_path = ""
notifications={}
notification_dict = {'pending_grading': pending_grading, 'img_path': img_path, 'response': notifications}
#We don't want to show anonymous users anything.
if not user.is_authenticated():
return notification_dict
#Define a mock modulesystem
system = ModuleSystem(
ajax_url=None,
track_function=None,
@@ -112,41 +132,44 @@ def combined_notifications(course, user):
replace_urls=None,
xblock_model_data= {}
)
#Initialize controller query service using our mock system
controller_qs = ControllerQueryService(settings.OPEN_ENDED_GRADING_INTERFACE, system)
student_id = unique_id_for_user(user)
user_is_staff = has_access(user, course, 'staff')
course_id = course.id
notification_type = "combined"
#See if we have a stored value in the cache
success, notification_dict = get_value_from_cache(student_id, course_id, notification_type)
if success:
return notification_dict
min_time_to_query = user.last_login
#Get the time of the last login of the user
last_login = user.last_login
#Find the modules they have seen since they logged in
last_module_seen = StudentModule.objects.filter(student=user, course_id=course_id,
modified__gt=min_time_to_query).values('modified').order_by(
modified__gt=last_login).values('modified').order_by(
'-modified')
last_module_seen_count = last_module_seen.count()
if last_module_seen_count > 0:
#The last time they viewed an updated notification (last module seen minus how long notifications are cached)
last_time_viewed = last_module_seen[0]['modified'] - datetime.timedelta(seconds=(NOTIFICATION_CACHE_TIME + 60))
else:
last_time_viewed = user.last_login
#If they have not seen any modules since they logged in, then don't refresh
return {'pending_grading': False, 'img_path': img_path, 'response': notifications}
pending_grading = False
img_path = ""
try:
#Get the notifications from the grading controller
controller_response = controller_qs.check_combined_notifications(course.id, student_id, user_is_staff,
last_time_viewed)
log.debug(controller_response)
notifications = json.loads(controller_response)
if notifications['success']:
if notifications['overall_need_to_check']:
pending_grading = True
except:
#Non catastrophic error, so no real action
notifications = {}
#This is a dev_facing_error
log.exception(
"Problem with getting notifications from controller query service for course {0} user {1}.".format(
@@ -157,6 +180,7 @@ def combined_notifications(course, user):
notification_dict = {'pending_grading': pending_grading, 'img_path': img_path, 'response': notifications}
#Store the notifications in the cache
set_value_in_cache(student_id, course_id, notification_type, notification_dict)
return notification_dict

2
lms/static/sass/shared/_modal.scss
View File

@@ -149,7 +149,7 @@
}
label {
color: #999;
color: #646464;
&.field-error {
display: block;

6
lms/templates/courseware/courseware.html
View File

@@ -156,7 +156,7 @@
<div id="calculator_wrapper">
<form id="calculator">
<div class="input-wrapper">
<input type="text" id="calculator_input" />
<input type="text" id="calculator_input" title="Calculator Input Field" />
<div class="help-wrapper">
<a href="#">Hints</a>
@@ -176,8 +176,8 @@
</dl>
</div>
</div>
<input id="calculator_button" type="submit" value="="/>
<input type="text" id="calculator_output" readonly />
<input id="calculator_button" type="submit" title="Calculate" value="="/>
<input type="text" id="calculator_output" title="Calculator Output Field" readonly />
</form>
</div>

13
lms/templates/forgot_password_modal.html
View File

@@ -12,19 +12,19 @@
</div>
<form id="pwd_reset_form" action="${reverse('password_reset')}" method="post" data-remote="true">
<label for="id_email">E-mail address:</label>
<input id="id_email" type="email" name="email" maxlength="75" placeholder="Your E-mail"/>
<label for="pwd_reset_email">E-mail address:</label>
<input id="pwd_reset_email" type="email" name="email" maxlength="75" placeholder="Your E-mail"/>
<div class="submit">
<input type="submit" id="pwd_reset_button" value="Reset my password" />
</div>
</form>
</div>
<div class="close-modal">
<a href="#" class="close-modal" title="Close Modal">
<div class="inner">
<p>&#10005;</p>
</div>
</div>
</a>
</div>
</section>
@@ -40,5 +40,10 @@
$('#pwd_error').stop().css("display", "block");
}
});
// removing close link's default behavior
$('#login-modal .close-modal').click(function(e) {
e.preventDefault();
});
})(this)
</script>

24
lms/templates/login_modal.html
View File

@@ -9,14 +9,17 @@
</header>
<form id="login_form" class="login_form" method="post" data-remote="true" action="/login">
<label>E-mail</label>
<input name="email" type="email">
<label>Password</label>
<input name="password" type="password">
<label class="remember-me">
<input name="remember" type="checkbox" value="true">
<label for="login_email">E-mail</label>
<input id="login_email" type="email" name="email" placeholder="e.g. yourname@domain.com" />
<label for="login_password">Password</label>
<input id="login_password" type="password" name="password" placeholder="&bull;&bull;&bull;&bull;&bull;&bull;&bull;&bull;" />
<label for="login_remember_me" class="remember-me">
<input id="login_remember_me" type="checkbox" name="remember" value="true" />
Remember me
</label>
<div class="submit">
<input name="submit" type="submit" value="Access My Courses">
</div>
@@ -34,11 +37,11 @@
% endif
</section>
<div class="close-modal">
<a href="#" class="close-modal" title="Close Modal">
<div class="inner">
<p>&#10005;</p>
</div>
</div>
</a>
</div>
</section>
@@ -59,5 +62,10 @@
$('#login_error').html(json.value).stop().css("display", "block");
}
});
// removing close link's default behavior
$('#login-modal .close-modal').click(function(e) {
e.preventDefault();
});
})(this)
</script>

3
lms/templates/seq_module.html
View File

@@ -10,7 +10,8 @@
<li>
<a class="seq_${item['type']} inactive progress-${item['progress_status']}"
data-id="${item['id']}"
data-element="${idx+1}">
data-element="${idx+1}"
href="javascript:void(0);">
<p>${item['title']}</p>
</a>
</li>

62
lms/templates/signup_modal.html
View File

@@ -20,27 +20,31 @@
<div class="input-group">
% if has_extauth_info is UNDEFINED:
<label data-field="email">E-mail*</label>
<input name="email" type="email" placeholder="eg. yourname@domain.com">
<label data-field="password">Password*</label>
<input name="password" type="password" placeholder="****">
<label data-field="username">Public Username*</label>
<input name="username" type="text" placeholder="Shown on forums">
<label data-field="name">Full Name*</label>
<input name="name" type="text" placeholder="For your certificate">
<label data-field="email" for="signup_email">E-mail *</label>
<input id="signup_email" type="email" name="email" placeholder="e.g. yourname@domain.com" required />
<label data-field="password" for="signup_password">Password *</label>
<input id="signup_password" type="password" name="password" placeholder="&bull;&bull;&bull;&bull;&bull;&bull;&bull;&bull;" required />
<label data-field="username" for="signup_username">Public Username *</label>
<input id="signup_username" type="text" name="username" placeholder="e.g. yourname (shown on forums)" required />
<label data-field="name" for="signup_fullname">Full Name *</label>
<input id="signup_fullname" type="text" name="name" placeholder="e.g. Your Name (for certificates)" required />
% else:
<p><i>Welcome</i> ${extauth_email}</p><br/>
<p><i>Enter a public username:</i></p>
<label data-field="username">Public Username*</label>
<input name="username" type="text" value="${extauth_username}" placeholder="Shown on forums">
<label data-field="username" for="signup_username">Public Username *</label>
<input id="signup_username" type="text" name="username" value="${extauth_username}" placeholder="e.g. yourname (shown on forums)" required />
% endif
</div>
<div class="input-group">
<section class="citizenship">
<label data-field="level_of_education">Ed. completed</label>
<label data-field="level_of_education" for="signup_ed_level">Ed. Completed</label>
<div class="input-wrapper">
<select name="level_of_education">
<select id="signup_ed_level" name="level_of_education">
<option value="">--</option>
%for code, ed_level in UserProfile.LEVEL_OF_EDUCATION_CHOICES:
<option value="${code}">${ed_level}</option>
@@ -50,9 +54,9 @@
</section>
<section class="gender">
<label data-field="gender">Gender</label>
<label data-field="gender" for="signup_gender">Gender</label>
<div class="input-wrapper">
<select name="gender">
<select id="signup_gender" name="gender">
<option value="">--</option>
%for code, gender in UserProfile.GENDER_CHOICES:
<option value="${code}">${gender}</option>
@@ -62,9 +66,9 @@
</section>
<section class="date-of-birth">
<label data-field="date-of-birth">Year of birth</label>
<label data-field="date-of-birth" for="signup_birth_year">Year of birth</label>
<div class="input-wrapper">
<select name="year_of_birth">
<select id="signup_birth_year" name="year_of_birth">
<option value="">--</option>
%for year in UserProfile.VALID_YEARS:
<option value="${year}">${year}</option>
@@ -74,22 +78,23 @@
</div>
</section>
<label data-field="mailing_address">Mailing address</label>
<textarea name="mailing_address"></textarea>
<label data-field="goals">Goals in signing up for edX</label>
<textarea name="goals"></textarea>
<label data-field="mailing_address" for="signup_mailing_address">Mailing address</label>
<textarea id="signup_mailing_address" name="mailing_address"></textarea>
<label data-field="goals" for="signup_goals">Goals in signing up for edX</label>
<textarea name="goals" id="signup_goals"></textarea>
</div>
<div class="input-group">
<label data-field="terms_of_service" class="terms-of-service">
<input name="terms_of_service" type="checkbox" value="true">
<label data-field="terms_of_service" class="terms-of-service" for="signup_tos">
<input id="signup_tos" name="terms_of_service" type="checkbox" value="true">
I agree to the
<a href="${reverse('tos')}" target="_blank">Terms of Service</a>*
</label>
<label data-field="honor_code" class="honor-code">
<input name="honor_code" type="checkbox" value="true">
<label data-field="honor_code" class="honor-code" for="signup_honor">
<input id="signup_honor" name="honor_code" type="checkbox" value="true">
I agree to the
<a href="${reverse('honor')}" target="_blank">Honor Code</a>*
</label>
@@ -110,11 +115,11 @@
</div>
<div class="close-modal">
<a href="#" class="close-modal" title="Close Modal">
<div class="inner">
<p>&#10005;</p>
</div>
</div>
</a>
</div>
</section>
@@ -129,5 +134,10 @@
$("[data-field='"+json.field+"']").addClass('field-error')
}
});
// removing close link's default behavior
$('#login-modal .close-modal').click(function(e) {
e.preventDefault();
});
})(this)
</script>