def __init__(self, prefix):
self.prefix = prefix
def load_bytecode(self, bucket):
found, _bytes = ProcessScopedJinjaCache.instance().cache.get(
self.prefix + bucket.key)
if found and _bytes is not None:
bucket.bytecode_from_string(_bytes)
def dump_bytecode(self, bucket):
_bytes = bucket.bytecode_to_string()
ProcessScopedJinjaCache.instance().cache.put(self.prefix + bucket.key,
_bytes)
JINJA_CACHE_LEN = PerfCounter('gcb-models-JinjaBytecodeCache-len',
'A total number of items in Jinja cache.')
JINJA_CACHE_SIZE_BYTES = PerfCounter(
'gcb-models-JinjaBytecodeCache-bytes',
'A total size of items in Jinja cache in bytes.')
JINJA_CACHE_LEN.poll_value = ProcessScopedJinjaCache.get_cache_len
JINJA_CACHE_SIZE_BYTES.poll_value = ProcessScopedJinjaCache.get_cache_size
def create_jinja_environment(loader, locale=None, autoescape=True):
"""Create proper jinja environment."""
cache = None
if CAN_USE_JINJA2_TEMPLATE_CACHE.value:
prefix = 'jinja2:bytecode:%s:/' % models.MemcacheManager.get_namespace(
)
from modules.review import domain
from tools import verify
from utils import BaseHandler
from utils import BaseRESTHandler
from utils import CAN_PERSIST_ACTIVITY_EVENTS
from utils import CAN_PERSIST_PAGE_EVENTS
from utils import CAN_PERSIST_TAG_EVENTS
from utils import HUMAN_READABLE_DATETIME_FORMAT
from utils import TRANSIENT_STUDENT
from utils import XsrfTokenManager
from google.appengine.ext import db
COURSE_EVENTS_RECEIVED = PerfCounter(
'gcb-course-events-received',
'A number of activity/assessment events received by the server.')
COURSE_EVENTS_RECORDED = PerfCounter(
'gcb-course-events-recorded',
'A number of activity/assessment events recorded in a datastore.')
UNIT_PAGE_TYPE = 'unit'
ACTIVITY_PAGE_TYPE = 'activity'
def get_first_lesson(handler, unit_id):
"""Returns the first lesson in the unit."""
#lesson_in_progress = handler.get_course().get_lesson_in_progress(unit_id)
#if lesson_in_progress: return lesson_in_progress
import urlparse
from xml.etree import cElementTree
import zipfile
from common import schema_fields
from common import tags
from controllers import sites
from controllers import utils
from models.config import ConfigProperty
from models.counters import PerfCounter
from models import custom_modules
from models import models
from models import transforms
ATTEMPT_COUNT = PerfCounter(
'gcb-khanex-attempt-count',
'A number of attempts made by all users on all exercises.')
WHITELISTED_EXERCISES = ConfigProperty(
'_khanex_whitelisted',
str,
('A white-listed exercises that can be show to students. If this list '
'is empty, all exercises are available.'),
default_value='',
multiline=True)
ZIP_FILE = os.path.join(os.path.dirname(__file__), 'khan-exercises.zip')
EXERCISE_BASE = 'khan-exercises/khan-exercises/exercises/'
EXERCISE_HTML_PAGE_RAW = ("""<!DOCTYPE html>
<html">
self.prefix = prefix
def load_bytecode(self, bucket):
found, _bytes = ProcessScopedJinjaCache.instance().cache.get(
self.prefix + bucket.key)
if found and _bytes is not None:
bucket.bytecode_from_string(_bytes)
def dump_bytecode(self, bucket):
_bytes = bucket.bytecode_to_string()
ProcessScopedJinjaCache.instance().cache.put(
self.prefix + bucket.key, _bytes)
JINJA_CACHE_LEN = PerfCounter(
'gcb-models-JinjaBytecodeCache-len',
'A total number of items in Jinja cache.')
JINJA_CACHE_SIZE_BYTES = PerfCounter(
'gcb-models-JinjaBytecodeCache-bytes',
'A total size of items in Jinja cache in bytes.')
JINJA_CACHE_LEN.poll_value = ProcessScopedJinjaCache.get_cache_len
JINJA_CACHE_SIZE_BYTES.poll_value = ProcessScopedJinjaCache.get_cache_size
def create_jinja_environment(loader, locale=None, autoescape=True):
"""Create proper jinja environment."""
cache = None
if CAN_USE_JINJA2_TEMPLATE_CACHE.value:
prefix = 'jinja2:bytecode:%s:/' % models.MemcacheManager.get_namespace()
DEFAULT_CACHE_CONTROL_MAX_AGE = 600
DEFAULT_CACHE_CONTROL_PUBLIC = 'public'
# default HTTP headers for dynamic responses
DEFAULT_EXPIRY_DATE = 'Mon, 01 Jan 1990 00:00:00 GMT'
DEFAULT_PRAGMA = 'no-cache'
# enable debug output
DEBUG_INFO = False
# thread local storage for current request PATH_INFO
PATH_INFO_THREAD_LOCAL = threading.local()
# performance counters
STATIC_HANDLER_COUNT = PerfCounter(
'gcb-sites-handler-static',
'A number of times request was served via static handler.')
DYNAMIC_HANDLER_COUNT = PerfCounter(
'gcb-sites-handler-dynamic',
'A number of times request was served via dynamic handler.')
ZIP_HANDLER_COUNT = PerfCounter(
'gcb-sites-handler-zip',
'A number of times request was served via zip handler.')
NO_HANDLER_COUNT = PerfCounter(
'gcb-sites-handler-none',
'A number of times request was not matched to any handler.')
HTTP_BYTES_IN = PerfCounter(
'gcb-sites-bytes-in',
'A number of bytes received from clients by the handler.')
HTTP_BYTES_OUT = PerfCounter(
def init_counters(cls):
name = cls.__name__
cls.CACHE_RESYNC = PerfCounter(
'gcb-models-%s-cache-resync' % name,
'A number of times an vfs cache was updated.')
cls.CACHE_PUT = PerfCounter(
'gcb-models-%s-cache-put' % name,
'A number of times an object was put into cache.')
cls.CACHE_GET = PerfCounter(
'gcb-models-%s-cache-get' % name,
'A number of times an object was pulled from cache.')
cls.CACHE_DELETE = PerfCounter(
'gcb-models-%s-cache-delete' % name,
'A number of times an object was deleted from cache.')
cls.CACHE_HIT = PerfCounter(
'gcb-models-%s-cache-hit' % name,
'A number of times an object was found cache.')
cls.CACHE_HIT_NONE = PerfCounter(
'gcb-models-%s-cache-hit-none' % name,
'A number of times an object was found cache, but it was None.')
cls.CACHE_MISS = PerfCounter(
'gcb-models-%s-cache-miss' % name,
'A number of times an object was not found in the cache.')
cls.CACHE_NOT_FOUND = PerfCounter(
'gcb-models-%s-cache-not-found' % name,
'A number of times an object was requested, but was not found in '
'the cache or underlying provider.')
cls.CACHE_UPDATE_COUNT = PerfCounter(
'gcb-models-%s-cache-update-count' % name,
'A number of update objects received.')
cls.CACHE_EVICT = PerfCounter(
'gcb-models-%s-cache-evict' % name,
'A number of times an object was evicted from cache because it was '
'changed.')
cls.CACHE_EXPIRE = PerfCounter(
'gcb-models-%s-cache-expire' % name,
'A number of times an object has expired from cache because it was '
'too old.')
