def __init__(self, gconfig, queue, configurer):
self._curppt = None
self._curpic = None
self.ppt = MSPPT()
self._user = {}
self.gconfig = gconfig
self.longpoll = self.gconfig.get('longpoll',10)
self.queue = queue
self.configurer = configurer
self.logger = logging.getLogger(__name__)
#self.messages = []
self.lock = threading.Lock()
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
if not os.path.exists(path):
os.mkdir(path)
def openppt(self, filename = None):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt:
if self.ppt.opened():
self.ppt.close()
else:
self.ppt = MSPPT()
if filename is None and self._curppt is None:
return self.jsonify(code=1, msg='尚未指定Powerpoint文件！')
self._openppt(filename)
if not self.ppt or not self.ppt.opened():
return self.jsonify(code=1, msg='打开PPT失败！')
return self.jsonify(code=0)
class courseAgent:
def __init__(self, gconfig, queue, configurer):
self._curppt = None
self._curpic = None
self.ppt = MSPPT()
self._user = {}
self.gconfig = gconfig
self.longpoll = self.gconfig.get('longpoll',10)
self.queue = queue
self.configurer = configurer
self.logger = logging.getLogger(__name__)
#self.messages = []
self.lock = threading.Lock()
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
if not os.path.exists(path):
os.mkdir(path)
def thumb(self, src):
try:
sz = gconfig.get('thumb_size','50x50')
a,b = sz.split('x')
width, height = int(a), int(b)
except:
logger.info('Thumb size format wrong, use default value 50x50')
width, height = 50, 50
dirname = os.path.dirname(src)
basename = os.path.basename(src)
dst = dirname + os.sep + 'tb_' + basename
img = Image.open(src)
img.thumbnail((width,height))
img.save(dst)
return dst
def reduceSize(self, src):
width, height = 1280, 1024
img = Image.open(src)
img.thumbnail((width, height))
img.save(src)
def jsonify(self, **args):
return json.dumps(args)
def _closewindow(self, title):
found = False
try:
w = win32gui.FindWindow(None, title)
while w:
found = True
win32gui.PostMessage(w, win32con.WM_CLOSE, 0, 0)
w = win32gui.FindWindow(None, title)
except:
pass
finally:
return found
# def notifyChange(self, fn):
# d = dict()
# d['filename'] = fn
# item = qulet(QTYPE.SHOWUP, d)
# for i in self._user:
# self._user[i].get('queue').put_nowait(item)
def checktoken(self):
#return 1,2
uid = cherrypy.request.headers.get('id')
tok = cherrypy.request.headers.get('token')
#print(uid,tok)
t1, t2 = self.gconfig.get('token'), self.gconfig.get('token2')
#print(t1,t2)
if uid is None: return None
if tok not in (t1, t2): return None
if self._user.get(uid) is None:
self._user[uid] = {}
self._user[uid]['uid'] = uid
self._user[uid]['queue'] = Queue()
self._user[uid]['rank'] = (tok == t1) and 2 or 1
#print( uid, self._user[uid]['rank'])
return uid, self._user[uid]['rank']
def _closeall(self):
self._closewindow(viewer_title)
self._closewindow(attend_title)
if self.ppt:
self.ppt.close()
@cherrypy.expose
def openremotefile(self, filename):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
self._closeall()
if filename.lower().endswith('.pptx') or filename.lower().endswith('.ppt'):
self._openppt(filename)
else:
self._openpic(filename)
return self.jsonify(code=0);
def _openpic(self, filename=None):
self._closeall()
if filename:
self._curpic = filename
if self._curpic is None: return
path0 = os.path.abspath(os.path.join(os.path.dirname(__file__)))
path = os.path.join(path0,'files')
subprocess.Popen(['python', path0 + os.sep + 'ImgViewer.py','-f',path + os.sep + self._curpic,viewer_title],creationflags=DETACHED_PROCESS,close_fds=True)
time.sleep(1)
self._broadcast()
def _openppt(self, filename=None):
self._closeall()
if filename :
self._curppt = filename
if self._curppt is None: return
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
self.ppt.open(path + os.sep + self._curppt)
# slide's name is 1.png,2.png,....
self.ppt.makepics( path )
# manipulate ppt window
pptwin = win()
pptwin.wildfind(self._curppt)
n = 3
while not pptwin.valid() and n:
time.sleep(0.3)
pptwin.wildfind(self._curppt)
n = n - 1
if pptwin.valid():
pptwin.foreground()
pptwin.activate()
self._broadcast()
def _whattoshow(self):
if self._curpic:
picwin = win()
picwin.wildfind(viewer_title)
#picwin.wildfind('Notepad')
if picwin.valid():
print('I think we can find the window')
return self._curpic
if self._curppt:
if self.ppt and self.ppt.opened():
return str(self.ppt.curslide()) + '.png'
return ''
def _broadcast(self):
print('before that, we have ' + str(self._curpic) + ' : ' + str(self._curppt))
show = self._whattoshow()
print('Be about to broadcast: ' + show)
# make sure everybody sees it
for i in self._user:
q = self._user[i].get('blackboard')
if q: q.put_nowait(show)
@cherrypy.expose
def toggleppt(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
try:
if self.ppt and self.ppt.opened():
self.ppt.close()
else:
self._openppt()
except Exception as e:
print(e)
return self.jsonify(code=0)
@cherrypy.expose
def togglepic(self):
a = self._closewindow(viewer_title)
b = self._closewindow(attend_title)
if a or b:
return self.jsonify(code=0)
self._openpic()
return self.jsonify(code=0)
@cherrypy.expose
def index(self):
return 'I am alive, ready to go.'
@cherrypy.expose
def alive(self):
return self.jsonify(code=0)
@cherrypy.expose
def gameover(self):
# item = qulet(QTYPE.GAMEOVER)
# for i in self._user:
# self._user[i].get('queue').put_nowait(item)
# time.sleep(1)
#print('For test, I am not really shutting down')
return self.jsonify(code=0)
cherrypy.engine.exit()
os.system('shutdown /s /t 0')
return self.jsonify(code=0)
@cherrypy.expose
def register(self, qtype, uname, nickname, headimg = None):
uid = cherrypy.request.headers.get('id')
tok = cherrypy.request.headers.get('token')
rank = 0
if tok == self.gconfig.get('token'): rank = 2
elif tok == self.gconfig.get('token2'): rank = 1
else : return self.jsonify(code=1, msg='认证失败！')
self._user[uid] = {}
self._user[uid]['uid'] = uid
self._user[uid]['uname'] = uname
self._user[uid]['nickname'] = nickname
self._user[uid]['headimg'] = headimg
if qtype == 'blackboard':
self._user[uid]['blackboard'] = Queue(0)
elif qtype == 'chatroom':
self._user[uid]['chatroom'] = Queue(0)
else:
return self.jsonify(code=1,msg='参数错误！')
self._user[uid]['rank'] = rank
return self.jsonify(code=0)
@cherrypy.expose
def unregister(self):
uid = cherrypy.request.headers.get('id')
tok = cherrypy.request.headers.get('token')
try:
del(self._user[uid])
except:
pass
return self.jsonify(code=0)
@cherrypy.expose
def listen(self):
ret = self.checktoken()
if ret is None :
return self.jsonify(code=1, msg='No permission')
uid = ret[0]
q = self._user[uid].get('chatroom')
try:
m = q.get(True, 30)
return self.jsonify(code=0, data=m)
except queue.Empty:
return self.jsonify(code=0, data=None)
# no = self._user[uid].get('msgNo')
# if no is None: no = 0
# l = len(self.messages)
# if no == l: return self.jsonify(code=0,data=[])
# self._user[uid]['msgNo'] = l
# if l - no > 100:
# return self.jsonify(code=0, data=self.messages[l-100:])
# else:
# return self.jsonify(code=0, data=self.messages[l-no:]);
@cherrypy.expose
def chat(self, msg):
ret = self.checktoken()
if ret is None :
return self.jsonify(code=1, msg='No permission')
uid = ret[0]
if self._user[uid].get('chatroom') is None:
return self.jsonify(code=1, msg="Not registered")
try:
m = { 'text':msg, 'headimg':self._user[uid].get('headimg'),
'realname':self._user[uid].get('uname'),
'time':str(datetime.datetime.now()), 'uid':uid}
for x in self._user:
q = self._user[x].get('chatroom')
if q:
q.put_nowait(m)
return self.jsonify(code=0)
except Exception as e:
print(e)
return self.jsonify(code=1, msg="Exception happens when inserting")
@cherrypy.expose
def fastwatch(self):
ret = self.checktoken()
if ret is None :
return self.jsonify(code=1, msg='No permission')
if self._curpic:
picwin = win()
picwin.wildfind(viewer_title)
if picwin.valid():
return self.jsonify(code=0, data=self._curpic)
if self.ppt and self.ppt.opened():
return self.jsonify(code=0, data=str(self.ppt.curslide())+'.png')
return self.jsonify(code=0, data='')
@cherrypy.expose
def watch(self):
ret = self.checktoken()
if ret is None :
return self.jsonify(code=1, msg='No permission')
uid = ret[0]
q = self._user[uid].get('blackboard')
if not q: return self.jsonify(code=1, msg='Not registered')
#if there is a pic there, choose to show it first
try:
m = q.get(True, 30)
return self.jsonify(code=0, data=m)
except queue.Empty:
return self.jsonify(code=0, data=None)
@cherrypy.expose
def currentslide(self):
ret = self.checktoken()
if ret is None: return self.jsonify(code=1)
if self.ppt and self.ppt.opened():
return self.jsonify(idx=self.ppt.curslide(), code=0)
return self.jsonify(code=1, msg='Powerpoint is not running')
@cherrypy.expose
def raisehand(self, filename):
pass
# @cherrypy.expose
# def closeviewer(self):
# ret = self.checktoken()
# if ret is None or ret[1] < 2:
# return self.jsonify(code=1, msg='No permission')
# self._closewindow(viewer_title)
# self._closewindow(attend_title)
# return self.jsonify(code=0)
@cherrypy.expose
def toggleattend(self, attendstr):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
self._closewindow(viewer_title)
if self._closewindow(attend_title):
return self.jsonify(code=0)
path = os.path.abspath(os.path.join(os.path.dirname(__file__)))
subprocess.Popen(['python', path + os.sep + 'ImgViewer.py','-q',attendstr,attend_title],creationflags=DETACHED_PROCESS,close_fds=True)
return self.jsonify(code=0)
@cherrypy.expose
def permitshow(self, filename):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
if filename.endswith('.pptx') or filename.endswith('.ppt'):
self._curppt = path + os.sep + filename
else:
self._curpic = path + os.sep + filename
return self.jsonify(code=0)
@cherrypy.expose
def closeall(self):
ret = self.checktoken()
if ret is None: return self.jsonify(code=1, msg='No permission')
self._closeall()
return self.jsonify(code=0)
@cherrypy.expose
def listfiles(self, t ):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
fl = os.listdir(path)
results = []
imagetype = ['.jpg','.png','.gif','.bmp','jpeg']
for f in fl:
if f.startswith(t):
d = {}
d['time'] = os.path.getctime(path+os.sep+f)
d['user'] = f.split('_')[2]
d['filename'] = f
if f.lower().endswith('.pptx') or f.lower().endswith('ppt'): d['type'] = 'ppt'
elif f.lower()[-4:] in imagetype: d['type'] = 'image'
else: continue
results.append(d)
results = list(reversed(sorted(results, key=lambda x:x['time'])))
return self.jsonify(code=0, data=results)
@cherrypy.expose
def uphand(self, file, name, ext, username):
ret = self.checktoken()
if ret is None:
return self.jsonify(code=1, msg='No permission')
if ext.lower() not in ['.jpg','.png','.gif','.bmp','.jpeg']:
return self.jsonify(code=1, msg='File type not supported')
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
m = hashlib.md5()
m.update((username + name + str(time.time())).encode('utf-8'))
dest = path + os.sep + '_uphand_' + username + '_' + m.hexdigest() + ext.lower()
with open(dest, 'wb') as f:
while True:
data = file.file.read(8192)
if not data: break
f.write(data)
thumb = self.thumb(dest)
self.reduceSize(dest)
return self.jsonify(thumb=os.path.basename(thumb), filename=os.path.basename(dest),code=0)
@cherrypy.expose
def upload(self, file, name, ext):
ret = self.checktoken()
if ret is None:
return self.jsonify(code=1, msg='No permission')
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
m = hashlib.md5()
m.update((name + str(time.time())).encode('utf-8'))
dest = path + os.sep + '_upload__' + m.hexdigest() + ext.lower()
with open(dest, 'wb') as f:
while True:
data = file.file.read(8192)
if not data: break
f.write(data)
if ext.lower() in ['.jpg','.png','.gif','.bmp','.jpeg']:
thumb = self.thumb(dest)
self.reduceSize(dest)
if ret[1] >= 2:
self._curpic = os.path.basename(dest)
self._openpic()
return self.jsonify(thumb=os.path.basename(thumb), filename=os.path.basename(dest), code=0)
elif ext.lower() in ['.ppt','.pptx']:
if ret[1] < 2: return self.jsonify(code=1)
self._curppt = os.path.basename(dest)
self._openppt()
if not self.ppt or not self.ppt.opened():
return self.jsonify(code=1, msg='打开PPT失败！')
return self.jsonify(filename = os.path.basename(dest), code=0)
else:
return self.jsonify(code=1, msg='只能上传图片或者Powerpoint文件！')
@cherrypy.expose
def downloadppt(self, url):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
#fn = url.split('/')[-1]
path = os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__))),'files')
#fpath = path + os.sep + fn
url = self.gconfig.get('server') + '/' + url
r = requests.get(url, stream=True)
if r.status_code != 200:
return self.jsonify(code=1, msg="无法从指定地址下载！")
m = hashlib.md5()
m.update((url+'@').encode('utf-8'))
fn = '_upload__' + m.hexdigest()
if url.lower().endswith('.pptx'): fn += '.pptx'
elif url.lower().endswith('.ppt'): fn += '.ppt'
else: return self.jsonify(code=1,msg='Not supported file type')
dest = path + os.sep + fn
with open(dest, 'wb') as f:
r.raw.decode_content = True
shutil.copyfileobj(r.raw, f)
#for chunk in r.iter_content(chunk_size=1024):
# if chunk: f.write(chunk)
self._openppt(fn)
if not self.ppt or not self.ppt.opened():
return self.jsonify(code=1, msg='打开PPT失败！')
return self.jsonify(code=0)
@cherrypy.expose
def openppt(self, filename = None):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt:
if self.ppt.opened():
self.ppt.close()
else:
self.ppt = MSPPT()
if filename is None and self._curppt is None:
return self.jsonify(code=1, msg='尚未指定Powerpoint文件！')
self._openppt(filename)
if not self.ppt or not self.ppt.opened():
return self.jsonify(code=1, msg='打开PPT失败！')
return self.jsonify(code=0)
@cherrypy.expose
def ppt_next(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
self.ppt.next()
self._broadcast()
return self.jsonify(code=0)
@cherrypy.expose
def ppt_prev(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
self.ppt.prev()
self._broadcast()
return self.jsonify(code=0)
@cherrypy.expose
def ppt_pages(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
return self.jsonify(code=0, data=[self.ppt.getpages(),self.ppt.curslide()])
return self.jsonify(code=1, msg='PPT is not running')
@cherrypy.expose
def ppt_goto(self, page):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
self.ppt.goto(page)
self._broadcast()
return self.jsonify(code=0)
@cherrypy.expose
def ppt_first(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
self.ppt.first()
self._broadcast()
return self.jsonify(code=0)
@cherrypy.expose
def ppt_last(self):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
if self.ppt and self.ppt.opened():
self.ppt.last()
self._broadcast()
return self.jsonify(code=0)
@cherrypy.expose
def show(self, filename):
ret = self.checktoken()
if ret is None or ret[1] < 2:
return self.jsonify(code=1, msg='No permission')
# start a image viewer to open the picture
self._openpic(filename)
return self.jsonify(code=0)