diff --git a/changelog.d/5475.misc b/changelog.d/5475.misc new file mode 100644 index 000000000..6be06d4d0 --- /dev/null +++ b/changelog.d/5475.misc @@ -0,0 +1 @@ +Synapse can now handle RestServlets that return coroutines. diff --git a/synapse/http/server.py b/synapse/http/server.py index 6fd13e87d..f067c163c 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -16,10 +16,11 @@ import cgi import collections +import http.client import logging - -from six import PY3 -from six.moves import http_client, urllib +import types +import urllib +from io import BytesIO from canonicaljson import encode_canonical_json, encode_pretty_printed_json, json @@ -41,11 +42,6 @@ from synapse.api.errors import ( from synapse.util.caches import intern_dict from synapse.util.logcontext import preserve_fn -if PY3: - from io import BytesIO -else: - from cStringIO import StringIO as BytesIO - logger = logging.getLogger(__name__) HTML_ERROR_TEMPLATE = """ @@ -75,10 +71,9 @@ def wrap_json_request_handler(h): deferred fails with any other type of error we send a 500 reponse. """ - @defer.inlineCallbacks - def wrapped_request_handler(self, request): + async def wrapped_request_handler(self, request): try: - yield h(self, request) + await h(self, request) except SynapseError as e: code = e.code logger.info("%s SynapseError: %s - %s", request, code, e.msg) @@ -142,10 +137,12 @@ def wrap_html_request_handler(h): where "request" must be a SynapseRequest. """ - def wrapped_request_handler(self, request): - d = defer.maybeDeferred(h, self, request) - d.addErrback(_return_html_error, request) - return d + async def wrapped_request_handler(self, request): + try: + return await h(self, request) + except Exception: + f = failure.Failure() + return _return_html_error(f, request) return wrap_async_request_handler(wrapped_request_handler) @@ -171,7 +168,7 @@ def _return_html_error(f, request): exc_info=(f.type, f.value, f.getTracebackObject()), ) else: - code = http_client.INTERNAL_SERVER_ERROR + code = http.client.INTERNAL_SERVER_ERROR msg = "Internal server error" logger.error( @@ -201,10 +198,9 @@ def wrap_async_request_handler(h): logged until the deferred completes. """ - @defer.inlineCallbacks - def wrapped_async_request_handler(self, request): + async def wrapped_async_request_handler(self, request): with request.processing(): - yield h(self, request) + await h(self, request) # we need to preserve_fn here, because the synchronous render method won't yield for # us (obviously) @@ -270,12 +266,11 @@ class JsonResource(HttpServer, resource.Resource): def render(self, request): """ This gets called by twisted every time someone sends us a request. """ - self._async_render(request) + defer.ensureDeferred(self._async_render(request)) return NOT_DONE_YET @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render(self, request): + async def _async_render(self, request): """ This gets called from render() every time someone sends us a request. This checks if anyone has registered a callback for that method and path. @@ -292,26 +287,19 @@ class JsonResource(HttpServer, resource.Resource): # Now trigger the callback. If it returns a response, we send it # here. If it throws an exception, that is handled by the wrapper # installed by @request_handler. - - def _unquote(s): - if PY3: - # On Python 3, unquote is unicode -> unicode - return urllib.parse.unquote(s) - else: - # On Python 2, unquote is bytes -> bytes We need to encode the - # URL again (as it was decoded by _get_handler_for request), as - # ASCII because it's a URL, and then decode it to get the UTF-8 - # characters that were quoted. - return urllib.parse.unquote(s.encode("ascii")).decode("utf8") - kwargs = intern_dict( { - name: _unquote(value) if value else value + name: urllib.parse.unquote(value) if value else value for name, value in group_dict.items() } ) - callback_return = yield callback(request, **kwargs) + callback_return = callback(request, **kwargs) + + # Is it synchronous? We'll allow this for now. + if isinstance(callback_return, (defer.Deferred, types.CoroutineType)): + callback_return = await callback_return + if callback_return is not None: code, response = callback_return self._send_response(request, code, response) @@ -360,6 +348,23 @@ class JsonResource(HttpServer, resource.Resource): ) +class DirectServeResource(resource.Resource): + def render(self, request): + """ + Render the request, using an asynchronous render handler if it exists. + """ + render_callback_name = "_async_render_" + request.method.decode("ascii") + + if hasattr(self, render_callback_name): + # Call the handler + callback = getattr(self, render_callback_name) + defer.ensureDeferred(callback(request)) + + return NOT_DONE_YET + else: + super().render(request) + + def _options_handler(request): """Request handler for OPTIONS requests diff --git a/synapse/rest/consent/consent_resource.py b/synapse/rest/consent/consent_resource.py index 9a32892d8..624c42441 100644 --- a/synapse/rest/consent/consent_resource.py +++ b/synapse/rest/consent/consent_resource.py @@ -23,13 +23,13 @@ from six.moves import http_client import jinja2 from jinja2 import TemplateNotFound -from twisted.internet import defer -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET - from synapse.api.errors import NotFoundError, StoreError, SynapseError from synapse.config import ConfigError -from synapse.http.server import finish_request, wrap_html_request_handler +from synapse.http.server import ( + DirectServeResource, + finish_request, + wrap_html_request_handler, +) from synapse.http.servlet import parse_string from synapse.types import UserID @@ -47,7 +47,7 @@ else: return a == b -class ConsentResource(Resource): +class ConsentResource(DirectServeResource): """A twisted Resource to display a privacy policy and gather consent to it When accessed via GET, returns the privacy policy via a template. @@ -87,7 +87,7 @@ class ConsentResource(Resource): Args: hs (synapse.server.HomeServer): homeserver """ - Resource.__init__(self) + super().__init__() self.hs = hs self.store = hs.get_datastore() @@ -118,18 +118,12 @@ class ConsentResource(Resource): self._hmac_secret = hs.config.form_secret.encode("utf-8") - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - @wrap_html_request_handler - @defer.inlineCallbacks - def _async_render_GET(self, request): + async def _async_render_GET(self, request): """ Args: request (twisted.web.http.Request): """ - version = parse_string(request, "v", default=self._default_consent_version) username = parse_string(request, "u", required=False, default="") userhmac = None @@ -145,7 +139,7 @@ class ConsentResource(Resource): else: qualified_user_id = UserID(username, self.hs.hostname).to_string() - u = yield self.store.get_user_by_id(qualified_user_id) + u = await self.store.get_user_by_id(qualified_user_id) if u is None: raise NotFoundError("Unknown user") @@ -165,13 +159,8 @@ class ConsentResource(Resource): except TemplateNotFound: raise NotFoundError("Unknown policy version") - def render_POST(self, request): - self._async_render_POST(request) - return NOT_DONE_YET - @wrap_html_request_handler - @defer.inlineCallbacks - def _async_render_POST(self, request): + async def _async_render_POST(self, request): """ Args: request (twisted.web.http.Request): @@ -188,12 +177,12 @@ class ConsentResource(Resource): qualified_user_id = UserID(username, self.hs.hostname).to_string() try: - yield self.store.user_set_consent_version(qualified_user_id, version) + await self.store.user_set_consent_version(qualified_user_id, version) except StoreError as e: if e.code != 404: raise raise NotFoundError("Unknown user") - yield self.registration_handler.post_consent_actions(qualified_user_id) + await self.registration_handler.post_consent_actions(qualified_user_id) try: self._render_template(request, "success.html") diff --git a/synapse/rest/key/v2/remote_key_resource.py b/synapse/rest/key/v2/remote_key_resource.py index ec8b9d726..031a31669 100644 --- a/synapse/rest/key/v2/remote_key_resource.py +++ b/synapse/rest/key/v2/remote_key_resource.py @@ -16,18 +16,20 @@ import logging from io import BytesIO from twisted.internet import defer -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET from synapse.api.errors import Codes, SynapseError from synapse.crypto.keyring import ServerKeyFetcher -from synapse.http.server import respond_with_json_bytes, wrap_json_request_handler +from synapse.http.server import ( + DirectServeResource, + respond_with_json_bytes, + wrap_json_request_handler, +) from synapse.http.servlet import parse_integer, parse_json_object_from_request logger = logging.getLogger(__name__) -class RemoteKey(Resource): +class RemoteKey(DirectServeResource): """HTTP resource for retreiving the TLS certificate and NACL signature verification keys for a collection of servers. Checks that the reported X.509 TLS certificate matches the one used in the HTTPS connection. Checks @@ -94,13 +96,8 @@ class RemoteKey(Resource): self.clock = hs.get_clock() self.federation_domain_whitelist = hs.config.federation_domain_whitelist - def render_GET(self, request): - self.async_render_GET(request) - return NOT_DONE_YET - @wrap_json_request_handler - @defer.inlineCallbacks - def async_render_GET(self, request): + async def _async_render_GET(self, request): if len(request.postpath) == 1: server, = request.postpath query = {server.decode("ascii"): {}} @@ -114,20 +111,15 @@ class RemoteKey(Resource): else: raise SynapseError(404, "Not found %r" % request.postpath, Codes.NOT_FOUND) - yield self.query_keys(request, query, query_remote_on_cache_miss=True) - - def render_POST(self, request): - self.async_render_POST(request) - return NOT_DONE_YET + await self.query_keys(request, query, query_remote_on_cache_miss=True) @wrap_json_request_handler - @defer.inlineCallbacks - def async_render_POST(self, request): + async def _async_render_POST(self, request): content = parse_json_object_from_request(request) query = content["server_keys"] - yield self.query_keys(request, query, query_remote_on_cache_miss=True) + await self.query_keys(request, query, query_remote_on_cache_miss=True) @defer.inlineCallbacks def query_keys(self, request, query, query_remote_on_cache_miss=False): diff --git a/synapse/rest/media/v1/config_resource.py b/synapse/rest/media/v1/config_resource.py index fa3d6680f..9f747de26 100644 --- a/synapse/rest/media/v1/config_resource.py +++ b/synapse/rest/media/v1/config_resource.py @@ -14,31 +14,28 @@ # limitations under the License. # -from twisted.internet import defer -from twisted.web.resource import Resource from twisted.web.server import NOT_DONE_YET -from synapse.http.server import respond_with_json, wrap_json_request_handler +from synapse.http.server import ( + DirectServeResource, + respond_with_json, + wrap_json_request_handler, +) -class MediaConfigResource(Resource): +class MediaConfigResource(DirectServeResource): isLeaf = True def __init__(self, hs): - Resource.__init__(self) + super().__init__() config = hs.get_config() self.clock = hs.get_clock() self.auth = hs.get_auth() self.limits_dict = {"m.upload.size": config.max_upload_size} - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render_GET(self, request): - yield self.auth.get_user_by_req(request) + async def _async_render_GET(self, request): + await self.auth.get_user_by_req(request) respond_with_json(request, 200, self.limits_dict, send_cors=True) def render_OPTIONS(self, request): diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py index a21a35f84..66a01559e 100644 --- a/synapse/rest/media/v1/download_resource.py +++ b/synapse/rest/media/v1/download_resource.py @@ -14,37 +14,31 @@ # limitations under the License. import logging -from twisted.internet import defer -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET - import synapse.http.servlet -from synapse.http.server import set_cors_headers, wrap_json_request_handler +from synapse.http.server import ( + DirectServeResource, + set_cors_headers, + wrap_json_request_handler, +) from ._base import parse_media_id, respond_404 logger = logging.getLogger(__name__) -class DownloadResource(Resource): +class DownloadResource(DirectServeResource): isLeaf = True def __init__(self, hs, media_repo): - Resource.__init__(self) - + super().__init__() self.media_repo = media_repo self.server_name = hs.hostname # this is expected by @wrap_json_request_handler self.clock = hs.get_clock() - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render_GET(self, request): + async def _async_render_GET(self, request): set_cors_headers(request) request.setHeader( b"Content-Security-Policy", @@ -58,7 +52,7 @@ class DownloadResource(Resource): ) server_name, media_id, name = parse_media_id(request) if server_name == self.server_name: - yield self.media_repo.get_local_media(request, media_id, name) + await self.media_repo.get_local_media(request, media_id, name) else: allow_remote = synapse.http.servlet.parse_boolean( request, "allow_remote", default=True @@ -72,4 +66,4 @@ class DownloadResource(Resource): respond_404(request) return - yield self.media_repo.get_remote_media(request, server_name, media_id, name) + await self.media_repo.get_remote_media(request, server_name, media_id, name) diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index de6f292ff..0337b64dc 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -32,12 +32,11 @@ from canonicaljson import json from twisted.internet import defer from twisted.internet.error import DNSLookupError -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET from synapse.api.errors import Codes, SynapseError from synapse.http.client import SimpleHttpClient from synapse.http.server import ( + DirectServeResource, respond_with_json, respond_with_json_bytes, wrap_json_request_handler, @@ -58,11 +57,11 @@ _charset_match = re.compile(br"<\s*meta[^>]*charset\s*=\s*([a-z0-9-]+)", flags=r _content_type_match = re.compile(r'.*; *charset="?(.*?)"?(;|$)', flags=re.I) -class PreviewUrlResource(Resource): +class PreviewUrlResource(DirectServeResource): isLeaf = True def __init__(self, hs, media_repo, media_storage): - Resource.__init__(self) + super().__init__() self.auth = hs.get_auth() self.clock = hs.get_clock() @@ -98,16 +97,11 @@ class PreviewUrlResource(Resource): def render_OPTIONS(self, request): return respond_with_json(request, 200, {}, send_cors=True) - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render_GET(self, request): + async def _async_render_GET(self, request): # XXX: if get_user_by_req fails, what should we do in an async render? - requester = yield self.auth.get_user_by_req(request) + requester = await self.auth.get_user_by_req(request) url = parse_string(request, "url") if b"ts" in request.args: ts = parse_integer(request, "ts") @@ -159,7 +153,7 @@ class PreviewUrlResource(Resource): else: logger.info("Returning cached response") - og = yield make_deferred_yieldable(observable.observe()) + og = await make_deferred_yieldable(defer.maybeDeferred(observable.observe)) respond_with_json_bytes(request, 200, og, send_cors=True) @defer.inlineCallbacks diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index ca84c9f13..08329884a 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -17,10 +17,12 @@ import logging from twisted.internet import defer -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET -from synapse.http.server import set_cors_headers, wrap_json_request_handler +from synapse.http.server import ( + DirectServeResource, + set_cors_headers, + wrap_json_request_handler, +) from synapse.http.servlet import parse_integer, parse_string from ._base import ( @@ -34,11 +36,11 @@ from ._base import ( logger = logging.getLogger(__name__) -class ThumbnailResource(Resource): +class ThumbnailResource(DirectServeResource): isLeaf = True def __init__(self, hs, media_repo, media_storage): - Resource.__init__(self) + super().__init__() self.store = hs.get_datastore() self.media_repo = media_repo @@ -47,13 +49,8 @@ class ThumbnailResource(Resource): self.server_name = hs.hostname self.clock = hs.get_clock() - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render_GET(self, request): + async def _async_render_GET(self, request): set_cors_headers(request) server_name, media_id, _ = parse_media_id(request) width = parse_integer(request, "width", required=True) @@ -63,21 +60,21 @@ class ThumbnailResource(Resource): if server_name == self.server_name: if self.dynamic_thumbnails: - yield self._select_or_generate_local_thumbnail( + await self._select_or_generate_local_thumbnail( request, media_id, width, height, method, m_type ) else: - yield self._respond_local_thumbnail( + await self._respond_local_thumbnail( request, media_id, width, height, method, m_type ) self.media_repo.mark_recently_accessed(None, media_id) else: if self.dynamic_thumbnails: - yield self._select_or_generate_remote_thumbnail( + await self._select_or_generate_remote_thumbnail( request, server_name, media_id, width, height, method, m_type ) else: - yield self._respond_remote_thumbnail( + await self._respond_remote_thumbnail( request, server_name, media_id, width, height, method, m_type ) self.media_repo.mark_recently_accessed(server_name, media_id) diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index d1d7e959f..5d76bbdf6 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -15,22 +15,24 @@ import logging -from twisted.internet import defer -from twisted.web.resource import Resource from twisted.web.server import NOT_DONE_YET from synapse.api.errors import SynapseError -from synapse.http.server import respond_with_json, wrap_json_request_handler +from synapse.http.server import ( + DirectServeResource, + respond_with_json, + wrap_json_request_handler, +) from synapse.http.servlet import parse_string logger = logging.getLogger(__name__) -class UploadResource(Resource): +class UploadResource(DirectServeResource): isLeaf = True def __init__(self, hs, media_repo): - Resource.__init__(self) + super().__init__() self.media_repo = media_repo self.filepaths = media_repo.filepaths @@ -41,18 +43,13 @@ class UploadResource(Resource): self.max_upload_size = hs.config.max_upload_size self.clock = hs.get_clock() - def render_POST(self, request): - self._async_render_POST(request) - return NOT_DONE_YET - def render_OPTIONS(self, request): respond_with_json(request, 200, {}, send_cors=True) return NOT_DONE_YET @wrap_json_request_handler - @defer.inlineCallbacks - def _async_render_POST(self, request): - requester = yield self.auth.get_user_by_req(request) + async def _async_render_POST(self, request): + requester = await self.auth.get_user_by_req(request) # TODO: The checks here are a bit late. The content will have # already been uploaded to a tmp file at this point content_length = request.getHeader(b"Content-Length").decode("ascii") @@ -81,7 +78,7 @@ class UploadResource(Resource): # disposition = headers.getRawHeaders(b"Content-Disposition")[0] # TODO(markjh): parse content-dispostion - content_uri = yield self.media_repo.create_content( + content_uri = await self.media_repo.create_content( media_type, upload_name, request.content, content_length, requester.user ) diff --git a/synapse/rest/saml2/response_resource.py b/synapse/rest/saml2/response_resource.py index ab14b7067..939c87306 100644 --- a/synapse/rest/saml2/response_resource.py +++ b/synapse/rest/saml2/response_resource.py @@ -18,34 +18,27 @@ import logging import saml2 from saml2.client import Saml2Client -from twisted.web.resource import Resource -from twisted.web.server import NOT_DONE_YET - from synapse.api.errors import CodeMessageException -from synapse.http.server import wrap_html_request_handler +from synapse.http.server import DirectServeResource, wrap_html_request_handler from synapse.http.servlet import parse_string from synapse.rest.client.v1.login import SSOAuthHandler logger = logging.getLogger(__name__) -class SAML2ResponseResource(Resource): +class SAML2ResponseResource(DirectServeResource): """A Twisted web resource which handles the SAML response""" isLeaf = 1 def __init__(self, hs): - Resource.__init__(self) + super().__init__() self._saml_client = Saml2Client(hs.config.saml2_sp_config) self._sso_auth_handler = SSOAuthHandler(hs) - def render_POST(self, request): - self._async_render_POST(request) - return NOT_DONE_YET - @wrap_html_request_handler - def _async_render_POST(self, request): + async def _async_render_POST(self, request): resp_bytes = parse_string(request, "SAMLResponse", required=True) relay_state = parse_string(request, "RelayState", required=True) diff --git a/tests/rest/media/v1/test_media_storage.py b/tests/rest/media/v1/test_media_storage.py index e2d418b1d..39c934242 100644 --- a/tests/rest/media/v1/test_media_storage.py +++ b/tests/rest/media/v1/test_media_storage.py @@ -22,7 +22,6 @@ from binascii import unhexlify from mock import Mock from six.moves.urllib import parse -from twisted.internet import defer, reactor from twisted.internet.defer import Deferred from synapse.rest.media.v1._base import FileInfo @@ -34,15 +33,17 @@ from synapse.util.logcontext import make_deferred_yieldable from tests import unittest -class MediaStorageTests(unittest.TestCase): - def setUp(self): +class MediaStorageTests(unittest.HomeserverTestCase): + + needs_threadpool = True + + def prepare(self, reactor, clock, hs): self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-") + self.addCleanup(shutil.rmtree, self.test_dir) self.primary_base_path = os.path.join(self.test_dir, "primary") self.secondary_base_path = os.path.join(self.test_dir, "secondary") - hs = Mock() - hs.get_reactor = Mock(return_value=reactor) hs.config.media_store_path = self.primary_base_path storage_providers = [FileStorageProviderBackend(hs, self.secondary_base_path)] @@ -52,10 +53,6 @@ class MediaStorageTests(unittest.TestCase): hs, self.primary_base_path, self.filepaths, storage_providers ) - def tearDown(self): - shutil.rmtree(self.test_dir) - - @defer.inlineCallbacks def test_ensure_media_is_in_local_cache(self): media_id = "some_media_id" test_body = "Test\n" @@ -73,7 +70,15 @@ class MediaStorageTests(unittest.TestCase): # Now we run ensure_media_is_in_local_cache, which should copy the file # to the local cache. file_info = FileInfo(None, media_id) - local_path = yield self.media_storage.ensure_media_is_in_local_cache(file_info) + + # This uses a real blocking threadpool so we have to wait for it to be + # actually done :/ + x = self.media_storage.ensure_media_is_in_local_cache(file_info) + + # Hotloop until the threadpool does its job... + self.wait_on_thread(x) + + local_path = self.get_success(x) self.assertTrue(os.path.exists(local_path)) diff --git a/tests/unittest.py b/tests/unittest.py index 36df43c13..d26804b5b 100644 --- a/tests/unittest.py +++ b/tests/unittest.py @@ -17,6 +17,7 @@ import gc import hashlib import hmac import logging +import time from mock import Mock @@ -24,7 +25,8 @@ from canonicaljson import json import twisted import twisted.logger -from twisted.internet.defer import Deferred +from twisted.internet.defer import Deferred, succeed +from twisted.python.threadpool import ThreadPool from twisted.trial import unittest from synapse.api.constants import EventTypes @@ -164,6 +166,7 @@ class HomeserverTestCase(TestCase): servlets = [] hijack_auth = True + needs_threadpool = False def setUp(self): """ @@ -192,15 +195,19 @@ class HomeserverTestCase(TestCase): if self.hijack_auth: def get_user_by_access_token(token=None, allow_guest=False): - return { - "user": UserID.from_string(self.helper.auth_user_id), - "token_id": 1, - "is_guest": False, - } + return succeed( + { + "user": UserID.from_string(self.helper.auth_user_id), + "token_id": 1, + "is_guest": False, + } + ) def get_user_by_req(request, allow_guest=False, rights="access"): - return create_requester( - UserID.from_string(self.helper.auth_user_id), 1, False, None + return succeed( + create_requester( + UserID.from_string(self.helper.auth_user_id), 1, False, None + ) ) self.hs.get_auth().get_user_by_req = get_user_by_req @@ -209,9 +216,26 @@ class HomeserverTestCase(TestCase): return_value="1234" ) + if self.needs_threadpool: + self.reactor.threadpool = ThreadPool() + self.addCleanup(self.reactor.threadpool.stop) + self.reactor.threadpool.start() + if hasattr(self, "prepare"): self.prepare(self.reactor, self.clock, self.hs) + def wait_on_thread(self, deferred, timeout=10): + """ + Wait until a Deferred is done, where it's waiting on a real thread. + """ + start_time = time.time() + + while not deferred.called: + if start_time + timeout < time.time(): + raise ValueError("Timed out waiting for threadpool") + self.reactor.advance(0.01) + time.sleep(0.01) + def make_homeserver(self, reactor, clock): """ Make and return a homeserver.