聊天机器人代码在控制台正常，但在网站部署时不工作
我尝试用深度学习技术和NLTK工具在Python编程语言中开发一个聊天机器人。最开始，在控制台环境中测试时，聊天机器人表现得不错，没有出现错误。但是，当我试图把它放到网站上时，遇到了一些意想不到的问题。具体来说，'chat.py'文件中添加的功能没有按预期工作，这影响了聊天机器人在网页上的表现。我使用了Pytorch和Flask作为后端。
from flask import Flask, request, jsonify
import random
import json
import torch
import smtplib
import re
from datetime import datetime
from email.message import EmailMessage
from model import NeuralNet
from nltk_utils import bag_of_words, tokenize
app = Flask(__name__)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
with open('intents.json', 'r') as json_data:
intents = json.load(json_data)
FILE = "data.pth"
data = torch.load(FILE)
input_size = data["input_size"]
hidden_size = data["hidden_size"]
output_size = data["output_size"]
all_words = data['all_words']
tags = data['tags']
model_state = data["model_state"]
model = NeuralNet(input_size, hidden_size, output_size).to(device)
model.load_state_dict(model_state)
model.eval()
bot_name = "AID_ASL"
def is_valid_date(date_str):
try:
date_obj = datetime.strptime(date_str, '%d/%m/%Y')
return date_obj >= datetime.now()
except ValueError:
return False
def is_valid_time(time_str):
try:
datetime.strptime(time_str, '%I:%M %p')
return True
except ValueError:
return False
def is_valid_mobile_number(phone_number):
return re.match(r'^\d{10}$', phone_number) is not None
def is_valid_email(email):
return re.match(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$', email) is not None
def find_hospitals(location, specialization):
# Simulated hospitals data (replace this with your actual hospital data retrieval logic)
hospitals = [
{'name': 'Hospital A', 'location': 'Location A', 'specialization': 'Physician', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital B', 'location': 'Location B', 'specialization': 'Dermatologist', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital C', 'location': 'Location C', 'specialization': 'Cardiologist', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital A', 'location': 'Location B', 'specialization': 'Dermotologist', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital B', 'location': 'Location C', 'specialization': 'Cardiologist', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital C', 'location': 'Location A', 'specialization': 'Physician', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital A', 'location': 'Location C', 'specialization': 'Cardiologist', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital B', 'location': 'Location A', 'specialization': 'Physician', 'email': 'gowrisree71@gmail.com'},
{'name': 'Hospital C', 'location': 'Location B', 'specialization': 'Dermotologist', 'email': 'gowrisree71@gmail.com'},
]
# Search for hospitals based on location and specialization
found_hospitals = [
hospital for hospital in hospitals
if hospital['location'].lower() == location.lower() and hospital['specialization'].lower() == specialization.lower()
]
return found_hospitals
def send_email(hospital_email, content):
# SMTP configurations for Gmail
smtp_server = 'smtp.gmail.com'
port = 587 # Use port 465 for SSL connection
sender_email = 'speakheart8@gmail.com'
password = 'srydtfufzdoxfoet'
# Create message object
message = EmailMessage()
message['From'] = sender_email
message['To'] = hospital_email
message['Subject'] = 'Hospital Appointment Booking'
message.set_content(content)
try:
# Connect to SMTP server and send email
with smtplib.SMTP(smtp_server, port) as server:
server.starttls()
server.login(sender_email, password)
server.send_message(message, from_addr=sender_email, to_addrs=[hospital_email])
return True
except smtplib.SMTPAuthenticationError:
return False
except smtplib.SMTPException:
return False
except Exception:
return False
def get_chatbot_response(user_input):
global bot_name, model, tags, intents, all_words, device
sentence = tokenize(user_input)
X = bag_of_words(sentence, all_words)
X = X.reshape(1, X.shape[0])
X = torch.from_numpy(X).to(device)
output = model(X)
_, predicted = torch.max(output, dim=1)
tag = tags[predicted.item()]
probs = torch.softmax(output, dim=1)
prob = probs[0][predicted.item()]
if prob.item() > 0.75:
for intent in intents['intents']:
if tag == intent["tag"]:
response = random.choice(intent['responses'])
if tag == 'hospital_appointment':
response += '\nCan you please provide your location?'
user_location = input("You: ")
response += f"\nYou: {user_location}"
response += '\nWhat specialization are you looking for? (e.g., physician, dermatologist)'
specialization = input("You: ")
response += f"\nYou: {specialization}"
found_hospitals = find_hospitals(user_location, specialization)
if found_hospitals:
for hospital in found_hospitals:
response += f"\n{bot_name}: {hospital['name']} - {hospital['specialization']} Department"
response += '\nWould you like to book an appointment at this hospital? (Yes/No)'
book_appointment = input("You: ")
response += f"\nYou: {book_appointment}"
if book_appointment.lower() == 'yes':
while True:
response += '\nPlease provide preferred date (DD/MM/YYYY) for the appointment.'
appointment_date = input("You (date): ")
response += f"\nYou (date): {appointment_date}"
if is_valid_date(appointment_date):
break
else:
response += '\nInvalid date or date less than today. Please provide a valid date.'
while True:
response += '\nPlease provide preferred time (HH:MM am/pm) for the appointment.'
appointment_time = input("You (time): ")
response += f"\nYou (time): {appointment_time}"
if is_valid_time(appointment_time):
break
else:
response += '\nInvalid time. Please provide a valid time.'
while True:
response += '\nKindly provide your phone number for confirmation.'
phone_number = input("You: ")
response += f"\nYou: {phone_number}"
if is_valid_mobile_number(phone_number):
break
else:
response += '\nInvalid phone number. Please provide a valid 10-digit number.'
while True:
response += '\nLastly, please share your email ID for further communication.'
email_id = input("You: ")
response += f"\nYou: {email_id}"
if is_valid_email(email_id):
break
else:
response += '\nInvalid email ID. Please provide a valid email address.'
# If all details are valid, proceed with the appointment booking
email_content = f"Appointment details: {appointment_date} {appointment_time}\nContact: {phone_number}, {email_id}"
send_email(hospital['email'], email_content)
response += '\nA mail has been sent to the hospital. Futher details will be shared shortly.'
break
else:
response += '\nOkay, let me know if you need further assistance.'
else:
response += '\nSorry, I couldn\'t find any hospitals matching your criteria.'
return response
else:
return "I do not understand..."
@app.route('/chat', methods=['POST'])
def chat():
data = request.get_json()
user_input = data['user_input']
response = get_chatbot_response(user_input)
return jsonify({"response": response})
if __name__ == '__main__':
app.run(debug=True)
其他所有文件都运行得很好，包括json文件，但问题似乎出在chat.py文件上。
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