Create virtual_assistant.py

Author: randerson112358

virtual_assistant.py

@@ -0,0 +1,133 @@
+#Description: This is a virtual assistant program that gets the date, responds back with a random greeting, and returns a response
+#             getting information on a person e.g. 'who is LeBron James'
+
+#A virtual assistant is an application that can understand voice commands and complete tasks for a user.
+
+#Resources:
+# (1) https://towardsdatascience.com/build-your-first-voice-assistant-85a5a49f6cc1
+# (2) https://pythonspot.com/personal-assistant-jarvis-in-python/
+# (3) https://realpython.com/python-speech-recognition/
+# (4) https://pypi.org/project/SpeechRecognition/1.2.3/
+# (5) https://stackabuse.com/getting-started-with-pythons-wikipedia-api/
+
+
+#pip install pyaudio
+#pip install SpeechRecognition
+#pip install gTTS
+#pip install wikipedia
+
+#Import the libraries
+import speech_recognition as sr
+import os
+from gtts import gTTS
+import datetime
+import warnings
+import calendar
+import random
+import wikipedia
+
+#Ignore any warning messages
+warnings.filterwarnings('ignore')
+
+#Record audio and return it as a string
+def recordAudio():
+
+    #Record the audio
+    r = sr.Recognizer()
+    with sr.Microphone() as source: #The with statement itself ensures proper acquisition and release of resources
+        print('Say something!')
+        audio = r.listen(source)
+
+    #Speech recognition using Google's Speech Recognition
+    data = ''
+    try:
+        data = r.recognize_google(audio)
+        print('You said: ' + data)
+    except sr.UnknownValueError:
+        print('Google Speech Recognition could not understand the audio,  unknown error')
+    except sr.RequestError as e:
+        print('Request results from Google Speech Recognition service error ' + e)
+
+    return data
+
+#Function to get the virtual assistant response
+def assistantResponse(text):
+    print(text)
+
+    #Convert the text to speech
+    myobj = gTTS(text=text, lang='en', slow=False)
+
+    #Save the converted audio to a file
+    myobj.save('assistant_response.mp3')
+
+    #Play the converted file
+    os.system('start assistant_response.mp3')
+
+# A function to check for wake word(s)
+def wakeWord(text):
+    WAKE_WORDS = ['hey computer', 'okay computer']
+
+    text = text.lower() #Convert the text to all lower case words
+    #Check to see if the users command/text contains a wake word
+    for phrase in WAKE_WORDS:
+        if phrase in text:
+            return True
+
+    #If the wake word wasn't found in the loop then return False
+    return False
+
+def getDate():
+    now = datetime.datetime.now()
+    my_date = datetime.datetime.today()
+    weekday = calendar.day_name[my_date.weekday()] #Monday
+    monthNum = now.month
+    dayNum = now.day
+
+    month_names = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',
+                   'October', 'November', 'December']
+    ordinalNumbers = ['1st', '2nd', '3rd', '4th', '5th', '6th', '7th', '8th', '9th', '10th', '11th', '12th',
+                      '13th', '14th', '15th', '16th', '17th', '18th', '19th', '20th', '21st', '22nd', '23rd',
+                      '24th', '25th', '26th', '27th', '28th', '29th', '30th', '31st']
+    return 'Today is ' + weekday +' '+ month_names[monthNum-1] +' the '+ ordinalNumbers[dayNum-1]+'.'
+
+#Function to return a random greeting response
+def greeting(text):
+    #Greeting Inputs
+    GREETING_INPUTS = ['hi', 'hey', 'hola', 'greetings', 'wassup', 'hello']
+
+    #Greeting Response back to the user
+    GREETING_RESPONSES = ['howdy', 'whats good' , 'hello', 'hey there']
+
+    #if the users input is a greeting, then return a randomly chosen greeting response
+    for word in text.split():
+        if word.lower() in GREETING_INPUTS:
+            return random.choice(GREETING_RESPONSES) +'.'
+
+def getPerson(text):
+    wordList = text.split() #Split the text into a list of words
+
+    for i in range(0, len(wordList)):
+        if i+3 <= len(wordList) - 1 and wordList[i].lower() == 'who' and wordList[i+1].lower() == 'is':
+            return wordList[i+2] + ' ' + wordList[i+3]
+
+while True:
+    # Record the audio
+    text = recordAudio()
+    response = ''
+
+    #Checking for the wake word
+    if( wakeWord(text) == True ):
+        if( 'date' in text):
+            get_date = getDate()
+            response = response +' '+ get_date
+
+        if('hello' in text):
+            greet = greeting(text)
+            response = response + ' ' + greet
+
+        if('who is' in text):
+            person = getPerson(text)
+            wiki = wikipedia.summary(person, sentences=2)
+            response = response + ' ' + wiki
+
+        assistantResponse(response)