Fix webservice

solvable/src/webservice/tfw_uplink.py

@@ -0,0 +1,29 @@
+from os import mkfifo, remove
+from os.path import join
+from contextlib import suppress
+from json import dumps
+
+from pipe_io import PipeWriter
+
+TFW_PIPES_DIR = '/run/tfw'
+
+
+class TFWUplink:
+    def __init__(self):
+        self._send_pipe = join(TFW_PIPES_DIR, 'webservice_send')
+        with suppress(FileExistsError):
+            mkfifo(self._send_pipe)
+        self._pipe_writer = PipeWriter(self._send_pipe)
+
+    def send_message(self, message):
+        self._pipe_writer.send_message(dumps(message).encode())
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type_, value, traceback):
+        self.close()
+
+    def close(self):
+        self._pipe_writer.close()
+        remove(self._send_pipe)

solvable/src/webservice/user_ops.py

@@ -1,4 +1,4 @@
-from pipe_io import PipeWriter
+from tfw_uplink import TFWUplink
 from crypto import PasswordHasher
 from model import User
 from errors import InvalidCredentialsError, UserExistsError
@@ -9,8 +9,14 @@ class UserOps:
         self.username = username
         self.password = password
         self.db_session = db_session
-        self.pipe = PipeWriter('/tmp/tfw_bot_send')
+        self._uplink = TFWUplink()
-        self.log = lambda message: self.pipe.send_message(message.encode()+b"\n")
+
+    def log(self, message):
+        self._uplink.send_message({
+            'key': 'message.send',
+            'originator': 'webservice',
+            'message': message
+        })
 
     def authenticate(self):
         """