Refactor into a single package

mimic3_http/const.py

@@ -0,0 +1,50 @@
+# Copyright 2022 Mycroft AI Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+import asyncio
+import hashlib
+import typing
+from dataclasses import dataclass
+
+
+@dataclass
+class TextToWavParams:
+    """Synthesis parameters used for caching"""
+
+    text: str
+    voice: str
+    noise_scale: float
+    noise_w: float
+    length_scale: float
+    ssml: bool = False
+    text_language: typing.Optional[str] = None
+    cache_id: typing.Optional[str] = None
+
+    @property
+    def cache_key(self) -> str:
+        if self.cache_id:
+            return self.cache_id
+
+        return hashlib.md5(repr(self).encode()).hexdigest()
+
+
+@dataclass
+class SynthesisRequest:
+    """Request to synthesize audio from text"""
+
+    params: TextToWavParams
+
+    loop: asyncio.AbstractEventLoop
+    future: asyncio.Future