scythargon · June 22, 2018 01:26 · Jun 22, 2018
diff --git a/recognize.py b/recognize.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+"""
+Simple Flask application to demonstrate the Google Speech API usage.
+
+Install the requirements first:
+`pip install SpeechRecognition flask`
+
+Then just run this file, go to http://127.0.0.1:5000/
+and upload an audio (or may be even video) file there, using the html form.
+(I've tested it with a .wav file only - relying on Google here).
+"""
+
+import os
+from flask import Flask, request, redirect, flash
+from werkzeug.utils import secure_filename
+
+import speech_recognition as sr
+
+app = Flask(__name__)
+UPLOAD_FOLDER = "./"
+app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
+
+# You have 50 free calls per day, after that you have to register somewhere
+# around here probably https://cloud.google.com/speech-to-text/
+GOOGLE_SPEECH_API_KEY = None
+
+
+@app.route("/", methods=["GET", "POST"])
+def index():
+    extra_line = ''
+    if request.method == "POST":
+        # Check if the post request has the file part.
+        if "file" not in request.files:
+            flash("No file part")
+            return redirect(request.url)
+        file = request.files["file"]
+        # If user does not select file, browser also
+        # submit an empty part without filename.
+        if file.filename == "":
+            flash("No selected file")
+            return redirect(request.url)
+        if file:
+            # Speech Recognition stuff.
+            recognizer = sr.Recognizer()
+            audio_file = sr.AudioFile(file)
+            with audio_file as source:
+                audio_data = recognizer.record(source)
+            text = recognizer.recognize_google(
+                audio_data, key=GOOGLE_SPEECH_API_KEY, language="ru-RU"
+            )
+            extra_line = f'Your text: "{text}"'
+
+            # Saving the file.
+            filename = secure_filename(file.filename)
+            filepath = os.path.join(app.config["UPLOAD_FOLDER"], filename)
+            file.save(filepath)
+            extra_line += f"<br>File saved to {filepath}"
+
+    return f"""
+    <!doctype html>
+    <title>Upload new File</title>
+    {extra_line}
+    <h1>Upload new File</h1>
+    <form method=post enctype=multipart/form-data>
+      <input type=file name=file>
+      <p/>
+      <input type=submit value=Upload>
+    </form>
+    """
+
+
+if __name__ == "__main__":
+    app.run(debug=True, threaded=True)
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