Files
bettafish-company/views/page/page.py
T

286 lines
10 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
from flask import Flask, session, render_template, redirect, Blueprint, request, jsonify
from utils.mynlp import SnowNLP
from utils.getHomePageData import *
from utils.getHotWordPageData import *
from utils.getTableData import *
from utils.getPublicData import getAllHotWords, getAllTopics, getArticleByType, getArticleById
from utils.getEchartsData import *
from utils.getTopicPageData import *
from utils.yuqingpredict import *
from utils.logger import app_logger as logging
import torch
from BCAT_front.predict import model_manager
pb = Blueprint('page',
__name__,
url_prefix='/page',
template_folder='templates')
# 设置设备
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# 设置模型路径
model_save_path = 'model_pro/final_model.pt'
bert_model_path = 'model_pro/bert_model'
ctm_tokenizer_path = 'model_pro/sentence_bert_model'
# 初始化模型
try:
model_manager.load_models(model_save_path, bert_model_path, ctm_tokenizer_path)
except Exception as e:
logging.error(f"模型加载失败: {e}")
def predict_sentiment(text):
"""使用改进版模型预测单个文本的情感"""
try:
predictions, probabilities = model_manager.predict_batch([text])
if predictions is not None and len(predictions) > 0:
return predictions[0], probabilities[0][predictions[0]]
return None, None
except Exception as e:
logging.error(f"预测过程中出现错误: {e}")
return None, None
@pb.route('/home')
def home():
username = session.get('username')
articleLenMax, likeCountMaxAuthorName, cityMax = getHomeTagsData()
commentsLikeCountTopFore = getHomeCommentsLikeCountTopFore()
X, Y = getHomeArticleCreatedAtChart()
typeChart = getHomeTypeChart()
createAtChart = getHomeCommentCreatedChart()
# getUserNameWordCloud()
return render_template('index.html',
username=username,
articleLenMax=articleLenMax,
likeCountMaxAuthorName=likeCountMaxAuthorName,
cityMax=cityMax,
commentsLikeCountTopFore=commentsLikeCountTopFore,
xData=X,
yData=Y,
typeChart=typeChart,
createAtChart=createAtChart)
@pb.route('/hotWord')
def hotWord():
username = session.get('username')
hotWordList = getAllHotWords()
print(hotWordList)
defaultHotWord = hotWordList[0][0]
if request.args.get('hotWord'):
defaultHotWord = request.args.get('hotWord')
hotWordLen = getHotWordLen(defaultHotWord)
X, Y = getHotWordPageCreatedAtCharData(defaultHotWord)
sentences = ''
value = SnowNLP(defaultHotWord).sentiments
if value == 0.5:
sentences = '中性'
elif value > 0.5:
sentences = '正面'
elif value < 0.5:
sentences = '负面'
comments = getCommentFilterData(defaultHotWord)
return render_template('hotWord.html',
username=username,
hotWordList=hotWordList,
defaultHotWord=defaultHotWord,
hotWordLen=hotWordLen,
sentences=sentences,
xData=X,
yData=Y,
comments=comments)
@pb.route('/hotTopic')
def hotTopic():
username = session.get('username')
topicList = getAllTopics()
defaultTopic = topicList[0][0]
if request.args.get('topic'):
defaultTopic = request.args.get('topic')
topicLen = getTopicLen(defaultTopic)
X, Y = getTopicPageCreatedAtCharData()
sentences = ''
# ... 这里要嵌入 topic 相关内容(热度?)来填充 sentences
comments = getCommentFilterDataTopic(defaultTopic)
return render_template('hotWord.html',
username=username,
topicList=topicList,
defaultTopic=defaultTopic,
topicLen=topicLen,
sentences=sentences,
xData=X,
yData=Y,
comments=comments)
@pb.route('/tableData')
def tableData():
username = session.get('username')
defaultFlag = False
if request.args.get('flag'): defaultFlag = True
tableData = getTableDataList(defaultFlag)
return render_template('tableData.html',
username=username,
tableData=tableData,
defaultFlag=defaultFlag)
@pb.route('/articleChar')
def articleChar():
username = session.get('username')
typeList = getTypeList()
defaultType = typeList[0]
if request.args.get('type'): defaultType = request.args.get('type')
X, Y = getArticleLikeCount(defaultType)
x1Data, y1Data = getArticleCommentsLen(defaultType)
x2Data, y2Data = getArticleRepotsLen(defaultType)
return render_template('articleChar.html',
username=username,
typeList=typeList,
defaultType=defaultType,
xData=X,
yData=Y,
x1Data=x1Data,
y1Data=y1Data,
x2Data=x2Data,
y2Data=y2Data)
@pb.route('/ipChar')
def ipChar():
username = session.get('username')
articleRegionData = getIPByArticleRegion()
commentRegionData = getIPByCommentsRegion()
return render_template('ipChar.html',
username=username,
articleRegionData=articleRegionData,
commentRegionData=commentRegionData)
@pb.route('/commentChar')
def commentChar():
username = session.get('username')
X, Y = getCommentDataOne()
genderPieData = getCommentDataTwo()
return render_template('commentChar.html',
username=username,
xData=X,
yData=Y,
genderPieData=genderPieData)
@pb.route('/yuqingChar')
def yuqingChar():
username = session.get('username')
# 获取模型选择参数
model_type = request.args.get('model', 'pro') # 默认使用改进模型
X, Y, biedata = getYuQingCharDataOne()
biedata1, biedata2 = getYuQingCharDataTwo(model_type)
x1Data, y1Data = getYuQingCharDataThree()
return render_template('yuqingChar.html',
username=username,
xData=X,
yData=Y,
biedata=biedata,
biedata1=biedata1,
biedata2=biedata2,
x1Data=x1Data,
y1Data=y1Data,
model_type=model_type)
@pb.route('/yuqingpredict')
def yuqingpredict():
try:
username = session.get('username')
TopicList = getAllTopicData()
defaultTopic = TopicList[0][0]
if request.args.get('Topic'):
defaultTopic = request.args.get('Topic')
TopicLen = getTopicLen(defaultTopic)
X, Y = getTopicCreatedAtandpredictData(defaultTopic)
# 获取模型选择参数
model_type = request.args.get('model', 'pro') # 默认使用改进模型
if model_type == 'basic':
# 使用基础模型(SnowNLP
value = SnowNLP(defaultTopic).sentiments
if value == 0.5:
sentences = '中性'
elif value > 0.5:
sentences = '正面'
elif value < 0.5:
sentences = '负面'
else:
# 使用改进模型
predicted_label, confidence = predict_sentiment(defaultTopic)
if predicted_label is not None:
sentences = '良好' if predicted_label == 0 else '不良'
sentences = f"{sentences} (置信度: {confidence:.2%})"
else:
sentences = '预测失败,请稍后重试'
logging.error(f"预测失败,话题: {defaultTopic}")
comments = getCommentFilterDataTopic(defaultTopic)
return render_template('yuqingpredict.html',
username=username,
hotWordList=TopicList,
defaultHotWord=defaultTopic,
hotWordLen=TopicLen,
sentences=sentences,
xData=X,
yData=Y,
comments=comments,
model_type=model_type)
except Exception as e:
logging.error(f"舆情预测页面渲染失败: {e}")
return render_template('error.html', error_message="加载舆情预测页面失败,请稍后重试")
@pb.route('/articleCloud')
def articleCloud():
username = session.get('username')
return render_template('articleContentCloud.html', username=username)
@pb.route('/page/index')
def index():
"""首页路由"""
try:
hotWordList = getAllHotWords()
logging.info("成功获取热词列表")
return render_template('index.html', hotWordList=hotWordList)
except Exception as e:
logging.error(f"渲染首页时发生错误: {e}")
return render_template('error.html', error_message="加载首页失败")
@pb.route('/page/article/<type>')
def article(type):
"""文章列表页路由"""
try:
articleList = getArticleByType(type)
logging.info(f"成功获取类型为 {type} 的文章列表")
return render_template('article.html', articleList=articleList)
except Exception as e:
logging.error(f"获取文章列表时发生错误: {e}")
return render_template('error.html', error_message="加载文章列表失败")
@pb.route('/page/articleChar/<id>')
def articleChar(id):
"""文章详情页路由"""
try:
article = getArticleById(id)
if not article:
logging.warning(f"未找到ID为 {id} 的文章")
return render_template('error.html', error_message="文章不存在")
logging.info(f"成功获取ID为 {id} 的文章详情")
return render_template('articleChar.html', article=article)
except Exception as e:
logging.error(f"获取文章详情时发生错误: {e}")
return render_template('error.html', error_message="加载文章详情失败")