feat(blocks): Add text to speech block and Unreal Speech API key (Significant-Gravitas#8264)

Author: Torantulino

autogpt_platform/backend/backend/blocks/text_to_speech_block.py

@@ -0,0 +1,79 @@
+from typing import Any
+
+import requests
+
+from backend.data.block import Block, BlockCategory, BlockOutput, BlockSchema
+from backend.data.model import BlockSecret, SchemaField, SecretField
+
+
+class UnrealTextToSpeechBlock(Block):
+    class Input(BlockSchema):
+        text: str = SchemaField(
+            description="The text to be converted to speech",
+            placeholder="Enter the text you want to convert to speech",
+        )
+        voice_id: str = SchemaField(
+            description="The voice ID to use for text-to-speech conversion",
+            placeholder="Scarlett",
+            default="Scarlett",
+        )
+        api_key: BlockSecret = SecretField(
+            key="unreal_speech_api_key", description="Your Unreal Speech API key"
+        )
+
+    class Output(BlockSchema):
+        mp3_url: str = SchemaField(description="The URL of the generated MP3 file")
+        error: str = SchemaField(description="Error message if the API call failed")
+
+    def __init__(self):
+        super().__init__(
+            id="4ff1ff6d-cc40-4caa-ae69-011daa20c378",
+            description="Converts text to speech using the Unreal Speech API",
+            categories={BlockCategory.AI, BlockCategory.TEXT},
+            input_schema=UnrealTextToSpeechBlock.Input,
+            output_schema=UnrealTextToSpeechBlock.Output,
+            test_input={
+                "text": "This is a test of the text to speech API.",
+                "voice_id": "Scarlett",
+                "api_key": "test_api_key",
+            },
+            test_output=[("mp3_url", "https://example.com/test.mp3")],
+            test_mock={
+                "call_unreal_speech_api": lambda *args, **kwargs: {
+                    "OutputUri": "https://example.com/test.mp3"
+                }
+            },
+        )
+
+    @staticmethod
+    def call_unreal_speech_api(
+        api_key: str, text: str, voice_id: str
+    ) -> dict[str, Any]:
+        url = "https://api.v7.unrealspeech.com/speech"
+        headers = {
+            "Authorization": f"Bearer {api_key}",
+            "Content-Type": "application/json",
+        }
+        data = {
+            "Text": text,
+            "VoiceId": voice_id,
+            "Bitrate": "192k",
+            "Speed": "0",
+            "Pitch": "1",
+            "TimestampType": "sentence",
+        }
+
+        response = requests.post(url, headers=headers, json=data)
+        response.raise_for_status()
+        return response.json()
+
+    def run(self, input_data: Input, **kwargs) -> BlockOutput:
+        try:
+            api_response = self.call_unreal_speech_api(
+                input_data.api_key.get_secret_value(),
+                input_data.text,
+                input_data.voice_id,
+            )
+            yield "mp3_url", api_response["OutputUri"]
+        except Exception as e:
+            yield "error", str(e)

autogpt_platform/backend/backend/util/settings.py

@@ -219,8 +219,9 @@ class Secrets(UpdateTrackingModel["Secrets"], BaseSettings):
     google_maps_api_key: str = Field(default="", description="Google Maps API Key")
 
     replicate_api_key: str = Field(default="", description="Replicate API Key")
-
+    unreal_speech_api_key: str = Field(default="", description="Unreal Speech API Key")
     ideogram_api_key: str = Field(default="", description="Ideogram API Key")
+
     # Add more secret fields as needed
 
     model_config = SettingsConfigDict(