def move_exercises(lang_code):
lang_pack_location = os.path.join(LOCALE_ROOT, lang_code)
src_exercise_dir = os.path.join(lang_pack_location, "exercises")
dest_exercise_dir = get_localized_exercise_dirpath(lang_code)
if not os.path.exists(src_exercise_dir):
logging.warn("Could not find downloaded exercises; skipping: %s" %
src_exercise_dir)
else:
# Move over one at a time, to combine with any other resources that were there before.
ensure_dir(dest_exercise_dir)
all_exercise_files = glob.glob(os.path.join(src_exercise_dir,
"*.html"))
logging.info("Moving %d downloaded exercises to %s" %
(len(all_exercise_files), dest_exercise_dir))
for exercise_file in all_exercise_files:
shutil.move(
exercise_file,
os.path.join(dest_exercise_dir,
os.path.basename(exercise_file)))
logging.debug("Removing emtpy directory")
try:
shutil.rmtree(src_exercise_dir)
except Exception as e:
logging.error("Error removing dubbed video directory (%s): %s" %
(src_exercise_dir, e))
def delete_language(lang_code):
langpack_resource_paths = [get_localized_exercise_dirpath(lang_code), get_srt_path(lang_code), get_locale_path(lang_code)]
for langpack_resource_path in langpack_resource_paths:
try:
shutil.rmtree(langpack_resource_path)
logging.info("Deleted language pack resource path: %s" % langpack_resource_path)
except OSError as e:
if e.errno != 2: # Only ignore error: No Such File or Directory
raise
else:
logging.debug("Not deleting missing language pack resource path: %s" % langpack_resource_path)
invalidate_web_cache()
def delete_language(lang_code):
langpack_resource_paths = [get_localized_exercise_dirpath(lang_code), get_srt_path(lang_code), get_locale_path(lang_code)]
for langpack_resource_path in langpack_resource_paths:
try:
shutil.rmtree(langpack_resource_path)
logging.info("Deleted language pack resource path: %s" % langpack_resource_path)
except OSError as e:
if e.errno != 2: # Only ignore error: No Such File or Directory
raise
else:
logging.debug("Not deleting missing language pack resource path: %s" % langpack_resource_path)
invalidate_web_cache()
def move_exercises(lang_code):
lang_pack_location = os.path.join(settings.USER_WRITABLE_LOCALE_DIR, lang_code)
src_exercise_dir = os.path.join(lang_pack_location, "exercises")
dest_exercise_dir = get_localized_exercise_dirpath(lang_code)
if not os.path.exists(src_exercise_dir):
logging.warn("Could not find downloaded exercises; skipping: %s" % src_exercise_dir)
else:
# Move over one at a time, to combine with any other resources that were there before.
ensure_dir(dest_exercise_dir)
all_exercise_files = glob.glob(os.path.join(src_exercise_dir, "*.html"))
logging.info("Moving %d downloaded exercises to %s" % (len(all_exercise_files), dest_exercise_dir))
for exercise_file in all_exercise_files:
shutil.move(exercise_file, os.path.join(dest_exercise_dir, os.path.basename(exercise_file)))
logging.debug("Removing emtpy directory")
try:
shutil.rmtree(src_exercise_dir)
except Exception as e:
logging.error("Error removing dubbed video directory (%s): %s" % (src_exercise_dir, e))
def get_exercise_cache(force=False, language=None):
if not language:
language = django_settings.LANGUAGE_CODE
global EXERCISES
if EXERCISES is None:
EXERCISES = {}
if EXERCISES.get(language) is None:
if settings.DO_NOT_RELOAD_CONTENT_CACHE_AT_STARTUP and not force:
exercises = softload_json(
cache_file_path("exercises_{0}.json".format(language)),
logger=logging.debug,
raises=False
)
if exercises:
EXERCISES[language] = exercises
return EXERCISES[language]
EXERCISES[language] = softload_json(settings.EXERCISES_FILEPATH, logger=logging.debug, raises=False)
# English-language exercises live in application space, translations in user space
if language == "en":
exercise_root = os.path.join(settings.KHAN_EXERCISES_DIRPATH, "exercises")
else:
exercise_root = i18n.get_localized_exercise_dirpath(language)
if os.path.exists(exercise_root):
try:
exercise_templates = os.listdir(exercise_root)
except OSError:
exercise_templates = []
else:
exercise_templates = []
for exercise in EXERCISES[language].values():
exercise_file = exercise["name"] + ".html"
exercise_template = exercise_file
exercise_lang = "en"
# The central server doesn't have an assessment item database
if django_settings.CENTRAL_SERVER:
available = False
elif exercise.get("uses_assessment_items", False):
available = False
items = []
for item in exercise.get("all_assessment_items", []):
item = json.loads(item)
if get_assessment_item_data(request=None, assessment_item_id=item.get("id")):
items.append(item)
available = True
exercise["all_assessment_items"] = items
else:
available = exercise_template in exercise_templates
# Get the language codes for exercise templates that exist
# Try to minimize the number of os.path.exists calls (since they're a bottleneck) by using the same
# precedence rules in i18n.select_best_available_languages
available_langs = set(["en"] + [language] * available)
# Return the best available exercise template
exercise_lang = i18n.select_best_available_language(language, available_codes=available_langs)
if exercise_lang == "en":
exercise_template = exercise_file
else:
exercise_template = os.path.join(exercise_lang, exercise_file)
with i18n.translate_block(language):
exercise["available"] = available
exercise["lang"] = exercise_lang
exercise["template"] = exercise_template
exercise["title"] = _(exercise.get("title", ""))
exercise["description"] = _(exercise.get("description", "")) if exercise.get("description") else ""
if settings.DO_NOT_RELOAD_CONTENT_CACHE_AT_STARTUP:
try:
with open(cache_file_path("exercises_{0}.json".format(language)), "w") as f:
json.dump(EXERCISES[language], f)
except IOError as e:
logging.warn("Annotated exercise cache file failed in saving with error {e}".format(e=e))
return EXERCISES[language]
