def exercise_contents(exercise):
contents = raw_exercise_contents("%s.html" % exercise.name)
re_data_require = re.compile("<html[^>]*(data-require=\".*?\")[^>]*>",
re.DOTALL)
match_data_require = re_data_require.search(contents)
data_require = match_data_require.groups()[0] if match_data_require else ""
re_body_contents = re.compile("<body>(.*)</body>", re.DOTALL)
match_body_contents = re_body_contents.search(contents)
body_contents = match_body_contents.groups()[0]
re_script_contents = re.compile("<script[^>]*>(.*?)</script>", re.DOTALL)
list_script_contents = re_script_contents.findall(contents)
script_contents = ";".join(list_script_contents)
re_style_contents = re.compile("<style[^>]*>(.*?)</style>", re.DOTALL)
list_style_contents = re_style_contents.findall(contents)
style_contents = "\n".join(list_style_contents)
sha1 = hashlib.sha1(contents.decode("utf-8").encode("ascii", "replace")).hexdigest()
if not len(body_contents):
raise MissingExerciseException("Missing exercise body in content for exid '%s'" % exercise.name)
result = map(lambda s: s.decode('utf-8'), (body_contents, script_contents,
style_contents, data_require, sha1))
if templatetags.use_compressed_packages():
return result
else:
return layer_cache.UncachedResult(result)
def raw_exercise_contents(exercise_file):
if templatetags.use_compressed_packages():
exercises_dir = "../khan-exercises/exercises-packed"
safe_to_cache = True
else:
exercises_dir = "../khan-exercises/exercises"
safe_to_cache = False
path = os.path.join(os.path.dirname(__file__), "%s/%s" % (exercises_dir, exercise_file))
f = None
contents = ""
try:
f = open(path)
contents = f.read()
except:
raise MissingExerciseException("Missing exercise file for exid '%s'" % exercise_file)
finally:
if f:
f.close()
if not len(contents):
raise MissingExerciseException("Missing exercise content for exid '%s'" % exercise_file)
if safe_to_cache:
return contents
else:
# we are displaying an unpacked exercise, either locally or in prod
# with a querystring override. It's unsafe to cache this.
return layer_cache.UncachedResult(contents)
def raw_exercise_contents(exercise_file):
if templatetags.use_compressed_packages():
exercises_dir = "../khan-exercises/exercises-packed"
safe_to_cache = True
else:
exercises_dir = "../khan-exercises/exercises"
safe_to_cache = False
path = os.path.join(os.path.dirname(__file__),
"%s/%s" % (exercises_dir, exercise_file))
f = None
contents = ""
try:
f = open(path)
contents = f.read()
except:
raise MissingExerciseException(
"Missing exercise file for exid '%s'" % exercise_file)
finally:
if f:
f.close()
if not len(contents):
raise MissingExerciseException(
"Missing exercise content for exid '%s'" % exercise_file)
if safe_to_cache:
return contents
else:
# we are displaying an unpacked exercise, either locally or in prod
# with a querystring override. It's unsafe to cache this.
return layer_cache.UncachedResult(contents)
def exercise_sha1(exercise):
sha1 = None
try:
contents = raw_exercise_contents("%s.html" % exercise.name)
sha1 = hashlib.sha1(contents).hexdigest()
except MissingExerciseException:
pass
if templatetags.use_compressed_packages():
return sha1
else:
return layer_cache.UncachedResult(sha1)
def exercise_sha1(exercise):
sha1 = None
try:
contents = raw_exercise_contents("%s.html" % exercise.name)
sha1 = hashlib.sha1(contents).hexdigest()
except MissingExerciseException:
pass
if templatetags.use_compressed_packages():
return sha1
else:
return layer_cache.UncachedResult(sha1)
def exercise_sha1(exercise):
sha1 = None
try:
file_name = exercise.file_name
# TODO(eater): remove this after adding the filename to all existing
# exercise entities
if not file_name or file_name == "":
file_name = exercise.name + ".html"
contents = raw_exercise_contents(file_name)
sha1 = hashlib.sha1(contents).hexdigest()
except MissingExerciseException:
pass
if templatetags.use_compressed_packages():
return sha1
else:
return layer_cache.UncachedResult(sha1)
def exercise_sha1(exercise):
sha1 = None
try:
file_name = exercise.file_name
# TODO(eater): remove this after adding the filename to all existing
# exercise entities
if not file_name or file_name == "":
file_name = exercise.name + ".html"
contents = raw_exercise_contents(file_name)
sha1 = hashlib.sha1(contents).hexdigest()
except MissingExerciseException:
pass
if templatetags.use_compressed_packages():
return sha1
else:
return layer_cache.UncachedResult(sha1)
