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-rw-r--r--changelog.d/15095.misc1
-rw-r--r--synapse/app/admin_cmd.py16
2 files changed, 9 insertions, 8 deletions
diff --git a/changelog.d/15095.misc b/changelog.d/15095.misc
new file mode 100644
index 0000000000..a2fafe2fff
--- /dev/null
+++ b/changelog.d/15095.misc
@@ -0,0 +1 @@
+Refactor writing json data in `FileExfiltrationWriter`.
\ No newline at end of file
diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py
index ad51f33165..5003777f0d 100644
--- a/synapse/app/admin_cmd.py
+++ b/synapse/app/admin_cmd.py
@@ -149,7 +149,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         with open(events_file, "a") as f:
             for event in events:
-                print(json.dumps(event.get_pdu_json()), file=f)
+                json.dump(event.get_pdu_json(), fp=f)
 
     def write_state(
         self, room_id: str, event_id: str, state: StateMap[EventBase]
@@ -162,7 +162,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         with open(event_file, "a") as f:
             for event in state.values():
-                print(json.dumps(event.get_pdu_json()), file=f)
+                json.dump(event.get_pdu_json(), fp=f)
 
     def write_invite(
         self, room_id: str, event: EventBase, state: StateMap[EventBase]
@@ -178,7 +178,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         with open(invite_state, "a") as f:
             for event in state.values():
-                print(json.dumps(event), file=f)
+                json.dump(event, fp=f)
 
     def write_knock(
         self, room_id: str, event: EventBase, state: StateMap[EventBase]
@@ -194,7 +194,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         with open(knock_state, "a") as f:
             for event in state.values():
-                print(json.dumps(event), file=f)
+                json.dump(event, fp=f)
 
     def write_profile(self, profile: JsonDict) -> None:
         user_directory = os.path.join(self.base_directory, "user_data")
@@ -202,7 +202,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
         profile_file = os.path.join(user_directory, "profile")
 
         with open(profile_file, "a") as f:
-            print(json.dumps(profile), file=f)
+            json.dump(profile, fp=f)
 
     def write_devices(self, devices: List[JsonDict]) -> None:
         user_directory = os.path.join(self.base_directory, "user_data")
@@ -211,7 +211,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         for device in devices:
             with open(device_file, "a") as f:
-                print(json.dumps(device), file=f)
+                json.dump(device, fp=f)
 
     def write_connections(self, connections: List[JsonDict]) -> None:
         user_directory = os.path.join(self.base_directory, "user_data")
@@ -220,7 +220,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
 
         for connection in connections:
             with open(connection_file, "a") as f:
-                print(json.dumps(connection), file=f)
+                json.dump(connection, fp=f)
 
     def write_account_data(
         self, file_name: str, account_data: Mapping[str, JsonDict]
@@ -233,7 +233,7 @@ class FileExfiltrationWriter(ExfiltrationWriter):
         account_data_file = os.path.join(account_data_directory, file_name)
 
         with open(account_data_file, "a") as f:
-            print(json.dumps(account_data), file=f)
+            json.dump(account_data, fp=f)
 
     def finished(self) -> str:
         return self.base_directory