12 files changed, 86 insertions, 93 deletions
diff --git a/synapse/rest/media/v0/content_repository.py b/synapse/rest/media/v0/content_repository.py
index 956bd5da75..f255f2883f 100644
--- a/synapse/rest/media/v0/content_repository.py
+++ b/synapse/rest/media/v0/content_repository.py
@@ -13,21 +13,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.http.server import respond_with_json_bytes, finish_request
-
-from synapse.api.errors import (
-    Codes, cs_error
-)
-
-from twisted.protocols.basic import FileSender
-from twisted.web import server, resource
-
 import base64
-import simplejson as json
 import logging
 import os
 import re
 
+from canonicaljson import json
+
+from twisted.protocols.basic import FileSender
+from twisted.web import resource, server
+
+from synapse.api.errors import Codes, cs_error
+from synapse.http.server import finish_request, respond_with_json_bytes
+
 logger = logging.getLogger(__name__)
 
 
diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py
index c0d2f06855..65f4bd2910 100644
--- a/synapse/rest/media/v1/_base.py
+++ b/synapse/rest/media/v1/_base.py
@@ -13,23 +13,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.http.server import respond_with_json, finish_request
-from synapse.api.errors import (
-    cs_error, Codes, SynapseError
-)
-from synapse.util import logcontext
+import logging
+import os
+import urllib
+
+from six.moves.urllib import parse as urlparse
 
 from twisted.internet import defer
 from twisted.protocols.basic import FileSender
 
+from synapse.api.errors import Codes, SynapseError, cs_error
+from synapse.http.server import finish_request, respond_with_json
+from synapse.util import logcontext
 from synapse.util.stringutils import is_ascii
 
-import os
-
-import logging
-import urllib
-from six.moves.urllib import parse as urlparse
-
 logger = logging.getLogger(__name__)
 
 
diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py
index 8cf8820c31..fbfa85f74f 100644
--- a/synapse/rest/media/v1/download_resource.py
+++ b/synapse/rest/media/v1/download_resource.py
@@ -18,11 +18,9 @@ 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,
-)
 import synapse.http.servlet
+from synapse.http.server import set_cors_headers, wrap_json_request_handler
+
 from ._base import parse_media_id, respond_404
 
 logger = logging.getLogger(__name__)
diff --git a/synapse/rest/media/v1/filepath.py b/synapse/rest/media/v1/filepath.py
index d5164e47e0..c8586fa280 100644
--- a/synapse/rest/media/v1/filepath.py
+++ b/synapse/rest/media/v1/filepath.py
@@ -13,9 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import functools
 import os
 import re
-import functools
 
 NEW_FORMAT_ID_RE = re.compile(r"^\d\d\d\d-\d\d-\d\d")
 
diff --git a/synapse/rest/media/v1/identicon_resource.py b/synapse/rest/media/v1/identicon_resource.py
index 66f2b6bd30..a2e391415f 100644
--- a/synapse/rest/media/v1/identicon_resource.py
+++ b/synapse/rest/media/v1/identicon_resource.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from pydenticon import Generator
+
 from twisted.web.resource import Resource
 
 FOREGROUND = [
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index 2ac767d2dc..30242c525a 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -14,41 +14,42 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer, threads
+import cgi
+import errno
+import logging
+import os
+import shutil
+
+from six import iteritems
+from six.moves.urllib import parse as urlparse
+
 import twisted.internet.error
 import twisted.web.http
+from twisted.internet import defer, threads
 from twisted.web.resource import Resource
 
-from ._base import respond_404, FileInfo, respond_with_responder
-from .upload_resource import UploadResource
-from .download_resource import DownloadResource
-from .thumbnail_resource import ThumbnailResource
-from .identicon_resource import IdenticonResource
-from .preview_url_resource import PreviewUrlResource
-from .filepath import MediaFilePaths
-from .thumbnailer import Thumbnailer
-from .storage_provider import StorageProviderWrapper
-from .media_storage import MediaStorage
-
-from synapse.http.matrixfederationclient import MatrixFederationHttpClient
-from synapse.util.stringutils import random_string
 from synapse.api.errors import (
-    SynapseError, HttpResponseException, NotFoundError, FederationDeniedError,
+    FederationDeniedError,
+    HttpResponseException,
+    NotFoundError,
+    SynapseError,
 )
-
+from synapse.http.matrixfederationclient import MatrixFederationHttpClient
 from synapse.util.async import Linearizer
-from synapse.util.stringutils import is_ascii
 from synapse.util.logcontext import make_deferred_yieldable
 from synapse.util.retryutils import NotRetryingDestination
+from synapse.util.stringutils import is_ascii, random_string
 
-import os
-import errno
-import shutil
-
-import cgi
-import logging
-from six.moves.urllib import parse as urlparse
-from six import iteritems
+from ._base import FileInfo, respond_404, respond_with_responder
+from .download_resource import DownloadResource
+from .filepath import MediaFilePaths
+from .identicon_resource import IdenticonResource
+from .media_storage import MediaStorage
+from .preview_url_resource import PreviewUrlResource
+from .storage_provider import StorageProviderWrapper
+from .thumbnail_resource import ThumbnailResource
+from .thumbnailer import Thumbnailer
+from .upload_resource import UploadResource
 
 logger = logging.getLogger(__name__)
 
@@ -58,6 +59,7 @@ UPDATE_RECENTLY_ACCESSED_TS = 60 * 1000
 
 class MediaRepository(object):
     def __init__(self, hs):
+        self.hs = hs
         self.auth = hs.get_auth()
         self.client = MatrixFederationHttpClient(hs)
         self.clock = hs.get_clock()
@@ -94,7 +96,7 @@ class MediaRepository(object):
             storage_providers.append(provider)
 
         self.media_storage = MediaStorage(
-            self.primary_base_path, self.filepaths, storage_providers,
+            self.hs, self.primary_base_path, self.filepaths, storage_providers,
         )
 
         self.clock.looping_call(
diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py
index d23fe10b07..b25993fcb5 100644
--- a/synapse/rest/media/v1/media_storage.py
+++ b/synapse/rest/media/v1/media_storage.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer, threads
-from twisted.protocols.basic import FileSender
+import contextlib
+import logging
+import os
+import shutil
+import sys
 
 import six
 
-from ._base import Responder
+from twisted.internet import defer, threads
+from twisted.protocols.basic import FileSender
 
 from synapse.util.file_consumer import BackgroundFileConsumer
 from synapse.util.logcontext import make_deferred_yieldable
 
-import contextlib
-import os
-import logging
-import shutil
-import sys
-
+from ._base import Responder
 
 logger = logging.getLogger(__name__)
 
@@ -37,13 +36,15 @@ class MediaStorage(object):
     """Responsible for storing/fetching files from local sources.
 
     Args:
+        hs (synapse.server.Homeserver)
         local_media_directory (str): Base path where we store media on disk
         filepaths (MediaFilePaths)
         storage_providers ([StorageProvider]): List of StorageProvider that are
             used to fetch and store files.
     """
 
-    def __init__(self, local_media_directory, filepaths, storage_providers):
+    def __init__(self, hs, local_media_directory, filepaths, storage_providers):
+        self.hs = hs
         self.local_media_directory = local_media_directory
         self.filepaths = filepaths
         self.storage_providers = storage_providers
@@ -175,7 +176,8 @@ class MediaStorage(object):
             res = yield provider.fetch(path, file_info)
             if res:
                 with res:
-                    consumer = BackgroundFileConsumer(open(local_path, "w"))
+                    consumer = BackgroundFileConsumer(
+                        open(local_path, "w"), self.hs.get_reactor())
                     yield res.write_to_consumer(consumer)
                     yield consumer.wait()
                 defer.returnValue(local_path)
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 565cef2b8d..4e3a18ce08 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -23,31 +23,29 @@ import re
 import shutil
 import sys
 import traceback
-import simplejson as json
 
-from six.moves import urllib_parse as urlparse
 from six import string_types
+from six.moves import urllib_parse as urlparse
+
+from canonicaljson import json
 
-from twisted.web.server import NOT_DONE_YET
 from twisted.internet import defer
 from twisted.web.resource import Resource
+from twisted.web.server import NOT_DONE_YET
 
-from ._base import FileInfo
-
-from synapse.api.errors import (
-    SynapseError, Codes,
-)
-from synapse.util.logcontext import make_deferred_yieldable, run_in_background
-from synapse.util.stringutils import random_string
-from synapse.util.caches.expiringcache import ExpiringCache
+from synapse.api.errors import Codes, SynapseError
 from synapse.http.client import SpiderHttpClient
 from synapse.http.server import (
-    respond_with_json_bytes,
     respond_with_json,
+    respond_with_json_bytes,
     wrap_json_request_handler,
 )
 from synapse.util.async import ObservableDeferred
-from synapse.util.stringutils import is_ascii
+from synapse.util.caches.expiringcache import ExpiringCache
+from synapse.util.logcontext import make_deferred_yieldable, run_in_background
+from synapse.util.stringutils import is_ascii, random_string
+
+from ._base import FileInfo
 
 logger = logging.getLogger(__name__)
 
diff --git a/synapse/rest/media/v1/storage_provider.py b/synapse/rest/media/v1/storage_provider.py
index 0252afd9d3..7b9f8b4d79 100644
--- a/synapse/rest/media/v1/storage_provider.py
+++ b/synapse/rest/media/v1/storage_provider.py
@@ -13,17 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer, threads
+import logging
+import os
+import shutil
 
-from .media_storage import FileResponder
+from twisted.internet import defer, threads
 
 from synapse.config._base import Config
 from synapse.util.logcontext import run_in_background
 
-import logging
-import os
-import shutil
-
+from .media_storage import FileResponder
 
 logger = logging.getLogger(__name__)
 
diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py
index aae6e464e8..5305e9175f 100644
--- a/synapse/rest/media/v1/thumbnail_resource.py
+++ b/synapse/rest/media/v1/thumbnail_resource.py
@@ -20,13 +20,14 @@ 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 set_cors_headers, wrap_json_request_handler
 from synapse.http.servlet import parse_integer, parse_string
+
 from ._base import (
-    FileInfo, parse_media_id, respond_404, respond_with_file,
+    FileInfo,
+    parse_media_id,
+    respond_404,
+    respond_with_file,
     respond_with_responder,
 )
 
diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py
index e1ee535b9a..a4b26c2587 100644
--- a/synapse/rest/media/v1/thumbnailer.py
+++ b/synapse/rest/media/v1/thumbnailer.py
@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import PIL.Image as Image
+import logging
 from io import BytesIO
 
-import logging
+import PIL.Image as Image
 
 logger = logging.getLogger(__name__)
 
diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py
index 7567476fce..1a98120e1d 100644
--- a/synapse/rest/media/v1/upload_resource.py
+++ b/synapse/rest/media/v1/upload_resource.py
@@ -20,10 +20,7 @@ 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 respond_with_json, wrap_json_request_handler
 
 logger = logging.getLogger(__name__)