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main.py
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main.py
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# -*- coding: utf-8 -*-
from Tkinter import *
import tkMessageBox
from threading import Thread
from common import common
from parser import parser as htmlparse
from crawler import gethtml
from worker import Worker, WorkerConfig
from sentiment_analysis import inference
from simple_crawler import SpiderApplication
AUTH_KEY = 'abc'
class LoginView(Frame):
def __init__(self, app, master=None,):
Frame.__init__(self, master, width=300, height=200)
self.app = app
self.pack()
self.center_view = Frame(self, width=100, height=100)
self.left_frame = Frame(self, width=130, height=100)
self.right_frame = Frame(self, width=140, height=100)
self.server_label = Label(self.left_frame, text="服务器:",)
self.port = Label(self.left_frame, text="端口:",)
self.server_entry = Entry(self.right_frame, width=14)
self.port_entry = Entry(self.right_frame, width=14)
self.distribute_button = Button(self.center_view, text="分布式", command=self.distribute, height=2, width=13)
self.single_button = Button(self.center_view, text="单机", command=self.single, height=2, width=13)
self.left_frame.propagate(0)
self.right_frame.propagate(0)
self.left_frame.grid(padx=2, pady=2, row=0, column=0)
self.right_frame.grid(padx=0, pady=2,row=0, column=1)
self.center_view.grid(padx=50, row=1, columnspan=2)
self.server_label.grid(row=0)
self.server_entry.grid(row=0)
self.port.grid(row=1, pady=7)
self.port_entry.grid(row=1, pady=7)
self.distribute_button.grid(row=0, pady=4)
self.single_button.grid(row=1, pady=0)
def distribute(self):
if not isinstance(self.app, Application):
exit(-1)
server_ip = self.server_entry.get()
port = self.port_entry.get()
self.app.login(True, server_ip, int(port))
def single(self):
self.app.login(False)
class MainView(Frame):
def __init__(self, app, master=None):
Frame.__init__(self, master, width=900, height=500, bg='gray')
self.app = app
self.pack()
self.sb = Scrollbar(self, orient=VERTICAL, width=5, bg='white')
self.logger = Text(self, width=62)
self.logger.config(yscrollcommand=self.sb.set)
self.logger.tag_config('green', foreground='#008B00')
self.logger.tag_config('red', foreground='#E74C3C')
self.logger.tag_config('orange', foreground='#F1C40F')
self.sb.config(command=self.logger.yview)
self.sb.pack(side=RIGHT, fill=Y)
self.counter_text = Text(self, width=60, height=20)
self.input_text = Text(self, width=60, height=10)
self.button = Button(self, text='情感分析', command=self.sentiment_button)
self.logger.pack(side=LEFT, fill=BOTH)
self.counter_text.pack(padx=5)
self.input_text.pack(padx=5, pady=5)
self.button.pack(fill=X)
self.logger.configure(state='disabled')
self.counter_text.configure(state='disabled')
def write_log(self, log_type, message):
self.logger.configure(state='normal')
if log_type == 'warn':
color = 'orange'
elif log_type == 'info':
color = 'green'
else:
color = 'red'
self.logger.insert(END, message + '\n', color)
self.logger.see(END)
self.logger.configure(state='disabled')
def update_info(self, info):
"""
info: {user:n, question:m, topic:q, answers:p}
:param info:
:return:
"""
self.counter_text.configure(state='normal')
self.counter_text.delete(0.0, END)
self.counter_text.insert(END, '爬虫状态：\n', 'green')
self.counter_text.insert(END, '用户数：%s\n' % info['user'], 'black')
self.counter_text.insert(END, '问题数：%s\n' % info['question'], 'black')
self.counter_text.insert(END, '话题数：%s\n' % info['topic'], 'black')
self.counter_text.configure(state='disabled')
def sentiment_button(self):
content = self.input_text.get("1.0", END)
senti, prob = inference.inference(content)
if senti:
tkMessageBox.showinfo('情感分析', '情感分析结果：正面，置信度：%s' % prob, parent=self.app.root)
else:
if prob != 0:
tkMessageBox.showinfo('情感分析', '情感分析结果：负面，置信度：%s' % prob, parent=self.app.root)
else:
tkMessageBox.showinfo('情感分析', '情感分析结果：中性', parent=self.app.root)
self.input_text.delete(0.0, END)
def crawl_func(s):
return gethtml.get_html(s)
def parse_func(content_type, content):
return htmlparse.parse_html(content_type, content)
class Logger(object):
def __init__(self, handle):
self.handle = handle
def get_timestr(self):
timestamp = common.get_timestamp()
date_str = common.time_to_str(timestamp)
return date_str
def warn(self, message):
self.handle.write_log('warn', self.get_timestr()+'[WARN]'+message)
def info(self, message):
self.handle.write_log('info', self.get_timestr()+'[INFO]'+message)
def error(self, message):
self.handle.write_log('error', self.get_timestr()+'[ERROR]'+message)
class Application(object):
def __init__(self):
self.root = Tk()
self.root.wm_attributes('-topmost', 1)
self.current_view = None
self.worker = None
self.logger = None
self.worker_thread = None
self.state_dict = dict()
self.state_dict['user'] = 0
self.state_dict['question'] = 0
self.state_dict['topic'] = 0
self.root.protocol('WM_DELETE_WINDOW', self.on_closing)
def _resize_window(self, width, height):
screenwidth = self.root.winfo_screenwidth()
screenheight = self.root.winfo_screenheight()
size = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
self.root.geometry(size)
def start(self):
self.current_view = LoginView(self, self.root)
self._resize_window(300, 200)
self.root.mainloop()
def update_func(self, content_type):
if content_type == 'people':
self.state_dict['user'] += 1
elif content_type == 'question':
self.state_dict['question'] += 1
else:
self.state_dict['topic'] += 1
self.current_view.update_info(self.state_dict)
def login(self, is_distributed, ip="", port=0):
self.current_view.destroy()
self._resize_window(900, 500)
self.current_view = MainView(self)
self.logger = Logger(self.current_view)
if is_distributed:
config = WorkerConfig(
name='worker',
task_batchsize=2,
crawler_threads=8,
parser_threads=2,
authkey=AUTH_KEY,
address=(ip, port)
)
self.worker = Worker(
config=config,
crawler_func=crawl_func,
parser_func=parse_func,
logger=self.logger,
update_callback=self.update_func
)
else:
self.worker = SpiderApplication(
parser=parse_func,
cralwer=crawl_func,
logger=self.logger,
update_callback=self.update_func
)
# self.root.mainloop()
self.worker_thread = Thread(target=self.worker.run)
self.worker_thread.daemon = True
self.worker_thread.start()
def on_closing(self):
if tkMessageBox.askyesno("Quit", "Do you want to quit?", parent=self.root):
self.worker.exit_app()
self.root.destroy()
exit(0)
if __name__ == '__main__':
app = Application()
app.start()