pep8

common/lib/xmodule/xmodule/tests/test_export.py

 import unittest
 
 from fs.osfs import OSFS
-from nose.tools import assert_equals, assert_true
 from path import path
 from tempfile import mkdtemp
 import shutil
@@ -22,7 +21,7 @@ def strip_filenames(descriptor):
     """
     Recursively strips 'filename' from all children's definitions.
     """
-    print "strip filename from {desc}".format(desc=descriptor.location.url())
+    print("strip filename from {desc}".format(desc=descriptor.location.url()))
     descriptor._model_data.pop('filename', None)
 
     if hasattr(descriptor, 'xml_attributes'):
@@ -41,12 +40,12 @@ class RoundTripTestCase(unittest.TestCase):
     '''
     def check_export_roundtrip(self, data_dir, course_dir):
         root_dir = path(self.temp_dir)
-        print "Copying test course to temp dir {0}".format(root_dir)
+        print("Copying test course to temp dir {0}".format(root_dir))
 
         data_dir = path(data_dir)
         shutil.copytree(data_dir / course_dir, root_dir / course_dir)
 
-        print "Starting import"
+        print("Starting import")
         initial_import = XMLModuleStore(root_dir, course_dirs=[course_dir])
 
         courses = initial_import.get_courses()
@@ -55,7 +54,7 @@ class RoundTripTestCase(unittest.TestCase):
 
         # export to the same directory--that way things like the custom_tags/ folder
         # will still be there.
-        print "Starting export"
+        print("Starting export")
         fs = OSFS(root_dir)
         export_fs = fs.makeopendir(course_dir)
 
@@ -63,14 +62,14 @@ class RoundTripTestCase(unittest.TestCase):
         with export_fs.open('course.xml', 'w') as course_xml:
             course_xml.write(xml)
 
-        print "Starting second import"
+        print("Starting second import")
         second_import = XMLModuleStore(root_dir, course_dirs=[course_dir])
 
         courses2 = second_import.get_courses()
         self.assertEquals(len(courses2), 1)
         exported_course = courses2[0]
 
-        print "Checking course equality"
+        print("Checking course equality")
 
         # HACK: filenames change when changing file formats
         # during imports from old-style courses.  Ignore them.
@@ -81,16 +80,18 @@ class RoundTripTestCase(unittest.TestCase):
         self.assertEquals(initial_course.id, exported_course.id)
         course_id = initial_course.id
 
-        print "Checking key equality"
+        print("Checking key equality")
         self.assertEquals(sorted(initial_import.modules[course_id].keys()),
                           sorted(second_import.modules[course_id].keys()))
 
-        print "Checking module equality"
+        print("Checking module equality")
         for location in initial_import.modules[course_id].keys():
-            print "Checking", location
+            print("Checking", location)
             if location.category == 'html':
-                print ("Skipping html modules--they can't import in"
-                       " final form without writing files...")
+                print(
+                    "Skipping html modules--they can't import in"
+                    " final form without writing files..."
+                )
                 continue
             self.assertEquals(initial_import.modules[course_id][location],
                               second_import.modules[course_id][location])

common/lib/xmodule/xmodule/tests/test_import.py

@@ -53,7 +53,7 @@ class BaseCourseTestCase(unittest.TestCase):
 
     def get_course(self, name):
         """Get a test course by directory name.  If there's more than one, error."""
-        print "Importing {0}".format(name)
+        print("Importing {0}".format(name))
 
         modulestore = XMLModuleStore(DATA_DIR, course_dirs=[name])
         courses = modulestore.get_courses()
@@ -145,7 +145,7 @@ class ImportTestCase(BaseCourseTestCase):
         descriptor = system.process_xml(start_xml)
         compute_inherited_metadata(descriptor)
 
-        print descriptor, descriptor._model_data
+        print(descriptor, descriptor._model_data)
         self.assertEqual(descriptor.lms.due, Date().from_json(v))
 
         # Check that the child inherits due correctly
@@ -161,7 +161,7 @@ class ImportTestCase(BaseCourseTestCase):
         exported_xml = descriptor.export_to_xml(resource_fs)
 
         # Check that the exported xml is just a pointer
-        print "Exported xml:", exported_xml
+        print("Exported xml:", exported_xml)
         pointer = etree.fromstring(exported_xml)
         self.assertTrue(is_pointer_tag(pointer))
         # but it's a special case course pointer
@@ -262,22 +262,22 @@ class ImportTestCase(BaseCourseTestCase):
               """]
 
         for xml_str in yes:
-            print "should be True for {0}".format(xml_str)
+            print("should be True for {0}".format(xml_str))
             self.assertTrue(is_pointer_tag(etree.fromstring(xml_str)))
 
         for xml_str in no:
-            print "should be False for {0}".format(xml_str)
+            print("should be False for {0}".format(xml_str))
             self.assertFalse(is_pointer_tag(etree.fromstring(xml_str)))
 
     def test_metadata_inherit(self):
         """Make sure that metadata is inherited properly"""
 
-        print "Starting import"
+        print("Starting import")
         course = self.get_course('toy')
 
         def check_for_key(key, node):
             "recursive check for presence of key"
-            print "Checking {0}".format(node.location.url())
+            print("Checking {0}".format(node.location.url()))
             self.assertTrue(key in node._model_data)
             for c in node.get_children():
                 check_for_key(key, c)
@@ -329,7 +329,7 @@ class ImportTestCase(BaseCourseTestCase):
     def test_colon_in_url_name(self):
         """Ensure that colons in url_names convert to file paths properly"""
 
-        print "Starting import"
+        print("Starting import")
         # Not using get_courses because we need the modulestore object too afterward
         modulestore = XMLModuleStore(DATA_DIR, course_dirs=['toy'])
         courses = modulestore.get_courses()
@@ -337,10 +337,10 @@ class ImportTestCase(BaseCourseTestCase):
         course = courses[0]
         course_id = course.id
 
-        print "course errors:"
+        print("course errors:")
         for (msg, err) in modulestore.get_item_errors(course.location):
-            print msg
-            print err
+            print(msg)
+            print(err)
 
         chapters = course.get_children()
         self.assertEquals(len(chapters), 2)
@@ -348,12 +348,12 @@ class ImportTestCase(BaseCourseTestCase):
         ch2 = chapters[1]
         self.assertEquals(ch2.url_name, "secret:magic")
 
-        print "Ch2 location: ", ch2.location
+        print("Ch2 location: ", ch2.location)
 
         also_ch2 = modulestore.get_instance(course_id, ch2.location)
         self.assertEquals(ch2, also_ch2)
 
-        print "making sure html loaded"
+        print("making sure html loaded")
         cloc = course.location
         loc = Location(cloc.tag, cloc.org, cloc.course, 'html', 'secret:toylab')
         html = modulestore.get_instance(course_id, loc)
@@ -378,7 +378,7 @@ class ImportTestCase(BaseCourseTestCase):
         for i in (2, 3):
             video = sections[i]
             # Name should be 'video_{hash}'
-            print "video {0} url_name: {1}".format(i, video.url_name)
+            print("video {0} url_name: {1}".format(i, video.url_name))
 
             self.assertEqual(len(video.url_name), len('video_') + 12)
 
@@ -393,8 +393,10 @@ class ImportTestCase(BaseCourseTestCase):
         self.assertEqual(len(sections), 1)
 
         location = course.location
-        location = Location(location.tag, location.org, location.course,
-            'sequential', 'Problem_Demos')
+        location = Location(
+            location.tag, location.org, location.course,
+            'sequential', 'Problem_Demos'
+        )
         module = modulestore.get_instance(course.id, location)
         self.assertEqual(len(module.children), 2)
 
@@ -406,7 +408,6 @@ class ImportTestCase(BaseCourseTestCase):
 
         self.assertRaises(etree.XMLSyntaxError, system.process_xml, bad_xml)
 
-
     def test_graphicslidertool_import(self):
         '''
         Check to see if definition_from_xml in gst_module.py
@@ -434,8 +435,10 @@ class ImportTestCase(BaseCourseTestCase):
         self.assertEqual(len(sections), 1)
 
         location = course.location
-        location = Location(location.tag, location.org, location.course,
-            'sequential', 'Problem_Demos')
+        location = Location(
+            location.tag, location.org, location.course,
+            'sequential', 'Problem_Demos'
+        )
         module = modulestore.get_instance(course.id, location)
         self.assertEqual(len(module.children), 1)
 

common/lib/xmodule/xmodule/tests/test_logic.py

@@ -3,8 +3,6 @@
 import json
 import unittest
 
-from django.http import QueryDict
-
 from xmodule.poll_module import PollDescriptor
 from xmodule.conditional_module import ConditionalDescriptor
 from xmodule.word_cloud_module import WordCloudDescriptor
@@ -16,15 +14,18 @@ class LogicTest(unittest.TestCase):
     raw_model_data = {}
 
     def setUp(self):
-        class EmptyClass: pass
+        class EmptyClass:
+            pass
 
         self.system = None
         self.location = None
         self.descriptor = EmptyClass()
 
         self.xmodule_class = self.descriptor_class.module_class
-        self.xmodule = self.xmodule_class(self.system, self.location,
-            self.descriptor, self.raw_model_data)
+        self.xmodule = self.xmodule_class(
+            self.system, self.location,
+            self.descriptor, self.raw_model_data
+        )
 
     def ajax_request(self, dispatch, get):
         return json.loads(self.xmodule.handle_ajax(dispatch, get))

common/lib/xmodule/xmodule/word_cloud_module.py

@@ -10,7 +10,6 @@ Stunent can change his answer.
 
 import json
 import logging
-import re
 
 from lxml import etree
 from pkg_resources import resource_string
@@ -30,11 +29,12 @@ class WordCloudFields(object):
     num_top_words = Integer(help="Number of max words, which will be displayed.", scope=Scope.settings, default=250)
 
     submitted = Boolean(help="Whether this student has posted words to the cloud", scope=Scope.user_state, default=False)
-    student_words= List(help="Student answer", scope=Scope.user_state, default=[])
+    student_words = List(help="Student answer", scope=Scope.user_state, default=[])
 
     all_words = Object(help="All possible words from other students", scope=Scope.content)
     top_words = Object(help="Top N words for word cloud", scope=Scope.content)
 
+
 class WordCloudModule(WordCloudFields, XModule):
     """WordCloud Module"""
     js = {
@@ -55,8 +55,7 @@ class WordCloudModule(WordCloudFields, XModule):
                 'status': 'success',
                 'submitted': True,
                 'student_words': {
-                    word:self.all_words[word] for
-                        word in self.student_words
+                    word: self.all_words[word] for word in self.student_words
                 },
                 'total_count': sum(self.all_words.itervalues()),
                 'top_words': self.prepare_words(self.top_words)
@@ -76,8 +75,10 @@ class WordCloudModule(WordCloudFields, XModule):
 
     def prepare_words(self, words):
         """Convert words dictionary for client API."""
-        return [{'text': word, 'size': count} for
-            word, count in words.iteritems()]
+        return [
+            {'text': word, 'size': count} for
+            word, count in words.iteritems()
+        ]
 
     def top_dict(self, dict_obj, amount):
         """Return new dict: top of dict using dict value."""
@@ -124,8 +125,10 @@ class WordCloudModule(WordCloudFields, XModule):
                 temp_all_words[word] = temp_all_words.get(word, 0) + 1
 
             # Update top_words.
-            self.top_words = self.top_dict(temp_all_words,
-                int(self.num_top_words))
+            self.top_words = self.top_dict(
+                temp_all_words,
+                int(self.num_top_words)
+            )
 
             # Save all_words in database.
             self.all_words = temp_all_words