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Only load jinja2 templates once

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Instead of every time a new email pusher is created, as loading jinja2
templates is slow.
This commit is contained in:
Erik Johnston 2017-05-22 17:48:53 +01:00
parent 539aa4d333
commit 11c2a3655f
5 changed files with 106 additions and 60 deletions
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15
synapse/push/emailpusher.py
View File

@ -21,7 +21,6 @@ import logging
from synapse.util.metrics import Measure
from synapse.util.logcontext import LoggingContext
from mailer import Mailer
logger = logging.getLogger(__name__)
@ -56,8 +55,10 @@ class EmailPusher(object):
This shares quite a bit of code with httpusher: it would be good to
factor out the common parts
"""
def __init__(self, hs, pusherdict):
def __init__(self, hs, pusherdict, mailer):
self.hs = hs
self.mailer = mailer
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pusher_id = pusherdict['id']
@ -73,16 +74,6 @@ class EmailPusher(object):
self.processing = False
if self.hs.config.email_enable_notifs:
if 'data' in pusherdict and 'brand' in pusherdict['data']:
app_name = pusherdict['data']['brand']
else:
app_name = self.hs.config.email_app_name
self.mailer = Mailer(self.hs, app_name)
else:
self.mailer = None
@defer.inlineCallbacks
def on_started(self):
if self.mailer is not None:

87
synapse/push/mailer.py
View File

@ -78,23 +78,17 @@ ALLOWED_ATTRS = {
class Mailer(object):
def __init__(self, hs, app_name):
def __init__(self, hs, app_name, notif_template_html, notif_template_text):
self.hs = hs
self.notif_template_html = notif_template_html
self.notif_template_text = notif_template_text
self.store = self.hs.get_datastore()
self.macaroon_gen = self.hs.get_macaroon_generator()
self.state_handler = self.hs.get_state_handler()
loader = jinja2.FileSystemLoader(self.hs.config.email_template_dir)
self.app_name = app_name
logger.info("Created Mailer for app_name %s" % app_name)
env = jinja2.Environment(loader=loader)
env.filters["format_ts"] = format_ts_filter
env.filters["mxc_to_http"] = self.mxc_to_http_filter
self.notif_template_html = env.get_template(
self.hs.config.email_notif_template_html
)
self.notif_template_text = env.get_template(
self.hs.config.email_notif_template_text
)
@defer.inlineCallbacks
def send_notification_mail(self, app_id, user_id, email_address,
@ -481,28 +475,6 @@ class Mailer(object):
urllib.urlencode(params),
)
def mxc_to_http_filter(self, value, width, height, resize_method="crop"):
if value[0:6] != "mxc://":
return ""
serverAndMediaId = value[6:]
fragment = None
if '#' in serverAndMediaId:
(serverAndMediaId, fragment) = serverAndMediaId.split('#', 1)
fragment = "#" + fragment
params = {
"width": width,
"height": height,
"method": resize_method,
}
return "%s_matrix/media/v1/thumbnail/%s?%s%s" % (
self.hs.config.public_baseurl,
serverAndMediaId,
urllib.urlencode(params),
fragment or "",
)
def safe_markup(raw_html):
return jinja2.Markup(bleach.linkify(bleach.clean(
@ -543,3 +515,52 @@ def string_ordinal_total(s):
def format_ts_filter(value, format):
return time.strftime(format, time.localtime(value / 1000))
def load_jinja2_templates(config):
"""Load the jinja2 email templates from disk
Returns:
(notif_template_html, notif_template_text)
"""
logger.info("loading jinja2")
loader = jinja2.FileSystemLoader(config.email_template_dir)
env = jinja2.Environment(loader=loader)
env.filters["format_ts"] = format_ts_filter
env.filters["mxc_to_http"] = _create_mxc_to_http_filter(config)
notif_template_html = env.get_template(
config.email_notif_template_html
)
notif_template_text = env.get_template(
config.email_notif_template_text
)
return notif_template_html, notif_template_text
def _create_mxc_to_http_filter(config):
def mxc_to_http_filter(value, width, height, resize_method="crop"):
if value[0:6] != "mxc://":
return ""
serverAndMediaId = value[6:]
fragment = None
if '#' in serverAndMediaId:
(serverAndMediaId, fragment) = serverAndMediaId.split('#', 1)
fragment = "#" + fragment
params = {
"width": width,
"height": height,
"method": resize_method,
}
return "%s_matrix/media/v1/thumbnail/%s?%s%s" % (
config.public_baseurl,
serverAndMediaId,
urllib.urlencode(params),
fragment or "",
)
return mxc_to_http_filter

44
synapse/push/pusher.py
View File

@ -26,22 +26,54 @@ logger = logging.getLogger(__name__)
# process works fine)
try:
from synapse.push.emailpusher import EmailPusher
from synapse.push.mailer import Mailer, load_jinja2_templates
except:
pass
def create_pusher(hs, pusherdict):
logger.info("trying to create_pusher for %r", pusherdict)
class PusherFactory(object):
def __init__(self, hs):
self.hs = hs
PUSHER_TYPES = {
self.pusher_types = {
"http": HttpPusher,
}
logger.info("email enable notifs: %r", hs.config.email_enable_notifs)
if hs.config.email_enable_notifs:
PUSHER_TYPES["email"] = EmailPusher
self.mailers = {} # app_name -> Mailer
templates = load_jinja2_templates(hs.config)
self.notif_template_html, self.notif_template_text = templates
self.pusher_types["email"] = self._create_email_pusher
logger.info("defined email pusher type")
if pusherdict['kind'] in PUSHER_TYPES:
def create_pusher(self, pusherdict):
logger.info("trying to create_pusher for %r", pusherdict)
if pusherdict['kind'] in self.pusher_types:
logger.info("found pusher")
return PUSHER_TYPES[pusherdict['kind']](hs, pusherdict)
return self.pusher_types[pusherdict['kind']](self.hs, pusherdict)
def _create_email_pusher(self, pusherdict):
app_name = self._brand_from_pusherdict
mailer = self.mailers.get(app_name)
if not mailer:
mailer = Mailer(
hs=self.hs,
app_name=app_name,
notif_template_html=self.notif_template_html,
notif_template_text=self.notif_template_text,
)
self.mailers[app_name] = mailer
return EmailPusher(self.hs, pusherdict, mailer)
def _app_name_from_pusherdict(self, pusherdict):
if 'data' in pusherdict and 'brand' in pusherdict['data']:
app_name = pusherdict['data']['brand']
else:
app_name = self.hs.config.email_app_name
return app_name

7
synapse/push/pusherpool.py
View File

@ -16,7 +16,7 @@
from twisted.internet import defer
import pusher
from .pusher import PusherFactory
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.util.async import run_on_reactor
@ -28,6 +28,7 @@ logger = logging.getLogger(__name__)
class PusherPool:
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self.start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
@ -48,7 +49,7 @@ class PusherPool:
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
pusher.create_pusher(self.hs, {
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
@ -186,7 +187,7 @@ class PusherPool:
logger.info("Starting %d pushers", len(pushers))
for pusherdict in pushers:
try:
p = pusher.create_pusher(self.hs, pusherdict)
p = self.pusher_factory.create_pusher(pusherdict)
except:
logger.exception("Couldn't start a pusher: caught Exception")
continue

1
tests/utils.py
View File

@ -55,6 +55,7 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
config.password_providers = []
config.worker_replication_url = ""
config.worker_app = None
config.email_enable_notifs = False
config.use_frozen_dicts = True
config.database_config = {"name": "sqlite3"}