first commit

src/blackbox/audio_to_text.py

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+import speech_recognition as sr
+import filetype
+import io
+
+from blackbox.blackbox import Blackbox
+
+class AudioToText(Blackbox):
+
+    def valid(self, data: any) -> bool :
+        kind = filetype.guess(data)
+        if kind is None:
+            return False
+        return kind.mime == "audio/wav"
+
+    def processing(self, data: io.BytesIO):
+        if not self.valid(data):
+            raise ValueError("Invalid data")
+        r = sr.Recognizer()
+        with sr.AudioFile(data) as source:
+          audio_data = r.record(source)
+          text = r.recognize_google(audio_data)
+          return text

src/blackbox/blackbox.py

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+from abc import ABC, abstractmethod
+
+
+class Blackbox(ABC):
+
+    @abstractmethod
+    def processing(self, data: any):
+        pass
+        
+    @abstractmethod
+    def valid(self, data: any) -> bool:
+        pass
+
+class TextToAudio(Blackbox):
+
+    def processing(self, data: any):
+        print("TextToAudio processing")
+