用Python做一个不需要APP的PPT遥控器

app = win32com.client.Dispatch("PowerPoint.Application")
app.ActivePresentation.SlideShowSettings.Run()

# -*- coding: utf-8 -*-

__author__ = 'sharpdeep'

import win32com.client
import win32api
import win32con
import time
import pythoncom

VK_CODE = {
	'spacebar':0x20,
	'down_arrow':0x28,
}

class PPTControler:
	def __init__(self):
		# 多线程时会出问题，http://www.cnblogs.com/AlgorithmDot/p/3386972.html
		pythoncom.CoInitialize()
		self.app = win32com.client.Dispatch("PowerPoint.Application")

	def fullScreen(self):
		#全屏播放
		if self.hasActivePresentation():
			self.app.ActivePresentation.SlideShowSettings.Run()
			return self.getActivePresentationSlideIndex()

	def click(self):
		win32api.keybd_event(VK_CODE['spacebar'],0,0,0)
		win32api.keybd_event(VK_CODE['spacebar'],0,win32con.KEYEVENTF_KEYUP,0)
		return self.getActivePresentationSlideIndex()

	def gotoSlide(self,index):
		#跳转到指定的页面
		if self.hasActivePresentation():
			try:
				self.app.ActiveWindow.View.GotoSlide(index)
				return self.app.ActiveWindow.View.Slide.SlideIndex
			except:
				self.app.SlideShowWindows(1).View.GotoSlide(index)
				return self.app.SlideShowWindows(1).View.CurrentShowPosition

	def nextPage(self):
		if self.hasActivePresentation():
			count = self.getActivePresentationSlideCount()
			index = self.getActivePresentationSlideIndex()
			return index if index >= count else self.gotoSlide(index+1)

	def prePage(self):
		if self.hasActivePresentation():
			index =  self.getActivePresentationSlideIndex()
			return index if index <= 1 else self.gotoSlide(index-1)

	def getActivePresentationSlideIndex(self):
		#得到活跃状态的PPT当前的页数
		if self.hasActivePresentation():
			try:
				index = self.app.ActiveWindow.View.Slide.SlideIndex
			except:
				index = self.app.SlideShowWindows(1).View.CurrentShowPosition
		return index

	def getActivePresentationSlideCount(self):
		#返回处于活跃状态的PPT的页面总数
		return self.app.ActivePresentation.Slides.Count

	def getPresentationCount(self):
		#返回打开的PPT数目
		return self.app.Presentations.Count

	def hasActivePresentation(self):
		#判断是否有打开PPT文件
		return True if self.getPresentationCount() > 0 else False

if __name__ == '__main__':
	ppt = PPTControler()
	ppt.fullScreen()
	for i in range(5):
		time.sleep(1)
		ppt.nextPage()

import pythoncom
pythoncom.CoInitialize()`

# -*- coding: utf-8 -*-

__author__ = 'sharpdeep'

import webbrowser
import socket,os
import socketserver
import http.server
import time
import win32com
import pythoncom
from string import Template
from PPTControler import PPTControler

PORT = 8000
HOST = socket.gethostbyname(socket.gethostname())


class WifiPPTHandler(http.server.SimpleHTTPRequestHandler):
	def do_GET(self):
		if self.path == '/':
			with open('template/index_template.html','r',encoding='utf-8') as ft:
				message = ft.read()
				self.send_response(200)
				self.send_header("Content-type", "text/html")
				self.end_headers()
				self.wfile.write(message.encode('utf-8'))
		elif self.path == '/play':
			PPTControler().fullScreen()
			total_page = PPTControler().getActivePresentationSlideCount()
			with open('template/play_template.html','r',encoding='utf-8') as ft:
				message = (Template(ft.read()).substitute(current_page=1,total_page=total_page))
				self.send_response(200)
				self.send_header("Content-type", "text/html")
				self.end_headers()
				self.wfile.write(message.encode('utf-8'))
		elif self.path == '/nextpage':
			self.ajax(PPTControler().nextPage())
		elif self.path == '/prepage':
			self.ajax(PPTControler().prePage())
		elif self.path == '/click':
			self.ajax(PPTControler().click())
		elif '/static/image' in self.path:
			self.send_response(200)
			self.send_header('Content-type','image/png')
			self.end_headers()
			png_name = self.path.split('/')[-1]
			png_path = os.path.join('.','static','image',png_name)
			with open(png_path,'rb') as f:
				self.wfile.write(f.read())

	def ajax(self,ret_str):
		self.send_response(200)
		self.send_header('Content-type','text/plain')
		self.end_headers()
		self.wfile.write(str(ret_str).encode('utf-8'))

if __name__ == '__main__':
	with open('usage.html','w',encoding='utf-8') as f:
		with open('template/usage_template.html','r',encoding='utf-8') as ft:
			f.write(Template(ft.read()).substitute(host=HOST,port=PORT))

	httpd = socketserver.ThreadingTCPServer(('',PORT),WifiPPTHandler)
	webbrowser.open_new_tab('usage.html')
	httpd.serve_forever()