diff --git a/cms/djangoapps/models/settings/course_details.py b/cms/djangoapps/models/settings/course_details.py
index 3f0c87917a4b4657d87127ce5a1a4ddb23669b32..884a4e4fefe99767b59a5a22b1d387a17e1c31ae 100644
--- a/cms/djangoapps/models/settings/course_details.py
+++ b/cms/djangoapps/models/settings/course_details.py
@@ -153,9 +153,9 @@ class CourseDetails(object):
if not raw_video:
return None
- keystring_matcher = re.search('(?<=embed/)[a-zA-Z0-9_-]+', raw_video)
+ keystring_matcher = re.search(r'(?<=embed/)[a-zA-Z0-9_-]+', raw_video)
if keystring_matcher is None:
- keystring_matcher = re.search('<?=\d+:[a-zA-Z0-9_-]+', raw_video)
+ keystring_matcher = re.search(r'<?=\d+:[a-zA-Z0-9_-]+', raw_video)
if keystring_matcher:
return keystring_matcher.group(0)
diff --git a/common/djangoapps/student/management/commands/set_staff.py b/common/djangoapps/student/management/commands/set_staff.py
index 30d0483f5082d7828aab5b85c76c007573a04360..869e37f13b7e6d39b2d7702e8b8329684b61d70e 100644
--- a/common/djangoapps/student/management/commands/set_staff.py
+++ b/common/djangoapps/student/management/commands/set_staff.py
@@ -26,7 +26,7 @@ class Command(BaseCommand):
raise CommandError('Usage is set_staff {0}'.format(self.args))
for user in args:
- if re.match('[^@]+@[^@]+\.[^@]+', user):
+ if re.match(r'[^@]+@[^@]+\.[^@]+', user):
try:
v = User.objects.get(email=user)
except:
diff --git a/common/djangoapps/student/views.py b/common/djangoapps/student/views.py
index de3e52b0800eea75b58df8383dfa8f17843956d3..4da7b9d789156ea6f4cbad8d36ca415cf2feaa9c 100644
--- a/common/djangoapps/student/views.py
+++ b/common/djangoapps/student/views.py
@@ -3,6 +3,7 @@ import feedparser
import json
import logging
import random
+import re
import string
import urllib
import uuid
@@ -95,9 +96,8 @@ def course_from_id(course_id):
course_loc = CourseDescriptor.id_to_location(course_id)
return modulestore().get_instance(course_id, course_loc)
-import re
-day_pattern = re.compile('\s\d+,\s')
-multimonth_pattern = re.compile('\s?\-\s?\S+\s')
+day_pattern = re.compile(r'\s\d+,\s')
+multimonth_pattern = re.compile(r'\s?\-\s?\S+\s')
def get_date_for_press(publish_date):
diff --git a/common/djangoapps/terrain/steps.py b/common/djangoapps/terrain/steps.py
index f31be894f9a2d459dcd6b7fb262d43cbe694f453..e69476a5b7129dd3fe19d19febd2adf8dc8b135a 100644
--- a/common/djangoapps/terrain/steps.py
+++ b/common/djangoapps/terrain/steps.py
@@ -21,7 +21,7 @@ from logging import getLogger
logger = getLogger(__name__)
-@step(u'I wait (?:for )?"(\d+)" seconds?$')
+@step(r'I wait (?:for )?"(\d+)" seconds?$')
def wait(step, seconds):
world.wait(seconds)
diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py
index 2a9f3d82a327ccbc1621ae1097bd327402ea30b1..d620bac60aa5dec287284ea817afdce3ee7a31af 100644
--- a/common/lib/capa/capa/capa_problem.py
+++ b/common/lib/capa/capa/capa_problem.py
@@ -103,8 +103,8 @@ class LoncapaProblem(object):
self.input_state = state.get('input_state', {})
# Convert startouttext and endouttext to proper <text></text>
- problem_text = re.sub("startouttext\s*/", "text", problem_text)
- problem_text = re.sub("endouttext\s*/", "/text", problem_text)
+ problem_text = re.sub(r"startouttext\s*/", "text", problem_text)
+ problem_text = re.sub(r"endouttext\s*/", "/text", problem_text)
self.problem_text = problem_text
# parse problem XML file into an element tree
diff --git a/common/lib/capa/capa/customrender.py b/common/lib/capa/capa/customrender.py
index 9d7ff719accec8cd67e30408c898e8118fc1e144..f7d586c9d55d2b066cdf351e2a109bc825d8f09e 100644
--- a/common/lib/capa/capa/customrender.py
+++ b/common/lib/capa/capa/customrender.py
@@ -26,7 +26,7 @@ class MathRenderer(object):
tags = ['math']
def __init__(self, system, xml):
- '''
+ r'''
Render math using latex-like formatting.
Examples:
@@ -41,7 +41,7 @@ class MathRenderer(object):
self.system = system
self.xml = xml
- mathstr = re.sub('\$(.*)\$', r'[mathjaxinline]\1[/mathjaxinline]', xml.text)
+ mathstr = re.sub(r'\$(.*)\$', r'[mathjaxinline]\1[/mathjaxinline]', xml.text)
mtag = 'mathjax'
if not r'\displaystyle' in mathstr:
mtag += 'inline'
diff --git a/common/lib/capa/capa/inputtypes.py b/common/lib/capa/capa/inputtypes.py
index 446b832dd7ffc2cc6025e2b493727cbcd2c17fc6..f026568da1228f8a974b7342384ada757cef2761 100644
--- a/common/lib/capa/capa/inputtypes.py
+++ b/common/lib/capa/capa/inputtypes.py
@@ -856,7 +856,7 @@ class ImageInput(InputTypeBase):
"""
if value is of the form [x,y] then parse it and send along coordinates of previous answer
"""
- m = re.match('\[([0-9]+),([0-9]+)]',
+ m = re.match(r'\[([0-9]+),([0-9]+)]',
self.value.strip().replace(' ', ''))
if m:
# Note: we subtract 15 to compensate for the size of the dot on the screen.
diff --git a/common/lib/capa/capa/responsetypes.py b/common/lib/capa/capa/responsetypes.py
index be70e3866cd3c038c5198ea457fb8d27e77f0f53..97319bdb9e73fbd42eec5e6d7eb731f4f5bca215 100644
--- a/common/lib/capa/capa/responsetypes.py
+++ b/common/lib/capa/capa/responsetypes.py
@@ -1902,8 +1902,7 @@ class ImageResponse(LoncapaResponse):
if not given: # No answer to parse. Mark as incorrect and move on
continue
# parse given answer
- m = re.match(
- '\[([0-9]+),([0-9]+)]', given.strip().replace(' ', ''))
+ m = re.match(r'\[([0-9]+),([0-9]+)]', given.strip().replace(' ', ''))
if not m:
raise Exception('[capamodule.capa.responsetypes.imageinput] '
'error grading %s (input=%s)' % (aid, given))
@@ -1918,7 +1917,7 @@ class ImageResponse(LoncapaResponse):
# parse expected answer
# TODO: Compile regexp on file load
m = re.match(
- '[\(\[]([0-9]+),([0-9]+)[\)\]]-[\(\[]([0-9]+),([0-9]+)[\)\]]',
+ r'[\(\[]([0-9]+),([0-9]+)[\)\]]-[\(\[]([0-9]+),([0-9]+)[\)\]]',
solution_rectangle.strip().replace(' ', ''))
if not m:
msg = 'Error in problem specification! cannot parse rectangle in %s' % (
diff --git a/common/lib/symmath/symmath/formula.py b/common/lib/symmath/symmath/formula.py
index a926d9ae4595d0852c3d11e1e26ff13e26a8d235..ca4e20ace3c395d0276981942be3ba47d3e4571f 100644
--- a/common/lib/symmath/symmath/formula.py
+++ b/common/lib/symmath/symmath/formula.py
@@ -50,7 +50,7 @@ class dot(sympy.operations.LatticeOp): # my dot product
def _print_dot(self, expr):
- return '{((%s) \cdot (%s))}' % (expr.args[0], expr.args[1])
+ return r'{((%s) \cdot (%s))}' % (expr.args[0], expr.args[1])
LatexPrinter._print_dot = _print_dot
@@ -202,7 +202,7 @@ class formula(object):
return xml
def preprocess_pmathml(self, xml):
- '''
+ r'''
Pre-process presentation MathML from ASCIIMathML to make it more
acceptable for SnuggleTeX, and also to accomodate some sympy
conventions (eg hat(i) for \hat{i}).
diff --git a/common/lib/xmodule/xmodule/modulestore/xml.py b/common/lib/xmodule/xmodule/modulestore/xml.py
index a704fc2ae866c00ddb45940ef705dfcbb3138cca..ef5fa617de7032596ea79a94c9c8f097d38079f9 100644
--- a/common/lib/xmodule/xmodule/modulestore/xml.py
+++ b/common/lib/xmodule/xmodule/modulestore/xml.py
@@ -38,7 +38,7 @@ log = logging.getLogger(__name__)
# into the cms from xml
def clean_out_mako_templating(xml_string):
xml_string = xml_string.replace('%include', 'include')
- xml_string = re.sub("(?m)^\s*%.*$", '', xml_string)
+ xml_string = re.sub(r"(?m)^\s*%.*$", '', xml_string)
return xml_string
diff --git a/common/lib/xmodule/xmodule/tests/test_stringify.py b/common/lib/xmodule/xmodule/tests/test_stringify.py
index 6c2e44eed51970142a3670ff0eda5ecf9efdfd31..49852ee233b5851c360daf98fa9e6a214e3a741a 100644
--- a/common/lib/xmodule/xmodule/tests/test_stringify.py
+++ b/common/lib/xmodule/xmodule/tests/test_stringify.py
@@ -12,7 +12,7 @@ def test_stringify():
def test_stringify_again():
- html = """<html name="Voltage Source Answer" >A voltage source is non-linear!
+ html = r"""<html name="Voltage Source Answer" >A voltage source is non-linear!
<div align="center">
<img src="/static/images/circuits/voltage-source.png"/>
\(V=V_C\)
diff --git a/lms/djangoapps/course_wiki/views.py b/lms/djangoapps/course_wiki/views.py
index 6ab106ed70a44230922527ed784aa6a2330d2912..74ef7d4a7407585a908eb3dab3d44bc228e08c07 100644
--- a/lms/djangoapps/course_wiki/views.py
+++ b/lms/djangoapps/course_wiki/views.py
@@ -49,7 +49,7 @@ def course_wiki_redirect(request, course_id):
if not course_slug:
log.exception("This course is improperly configured. The slug cannot be empty.")
valid_slug = False
- if re.match('^[-\w\.]+$', course_slug) is None:
+ if re.match(r'^[-\w\.]+$', course_slug) is None:
log.exception("This course is improperly configured. The slug can only contain letters, numbers, periods or hyphens.")
valid_slug = False
diff --git a/lms/djangoapps/foldit/views.py b/lms/djangoapps/foldit/views.py
index da361a2a825e9234ff860870a6081efd4fa13496..76d9bfff982d27f96ced6e7f8bbfbc8402aa41e6 100644
--- a/lms/djangoapps/foldit/views.py
+++ b/lms/djangoapps/foldit/views.py
@@ -46,7 +46,7 @@ def foldit_ops(request):
# To allow for fixes without breaking this, the regex should only
# match unquoted strings,
a = re.compile(r':([a-zA-Z]*),')
- puzzle_scores_json = re.sub(a, ':"\g<1>",', puzzle_scores_json)
+ puzzle_scores_json = re.sub(a, r':"\g<1>",', puzzle_scores_json)
puzzle_scores = json.loads(puzzle_scores_json)
responses.append(save_scores(request.user, puzzle_scores))