root.title(self.title)
labels = ['Server Name', 'Remote Dir', 'File Name',
'Local Dir', 'User Name?', 'Password?']
Form.init(self, labels, root)
self.mutex = _thread.allocate_lock()
self.threads = 0
def transfer(self, filename, servername, remotedir, userinfo):
try:
self.do_transfer(filename, servername, remotedir, userinfo)
print('%s of "%s" successful' % (self.mode, filename))
except:
print('%s of "%s" has failed:' % (self.mode, filename), end=' ')
print(sys.exc_info()[0], sys.exc_info()[1])
self.mutex.acquire()
self.threads -= 1
self.mutex.release()
def onSubmit(self):
Form.onSubmit(self)
localdir = self.content['Local Dir'].get()
remotedir = self.content['Remote Dir'].get()
servername = self.content['Server Name'].get()
filename = self.content['File Name'].get()
username = self.content['User Name?'].get()
password = self.content['Password?'].get()
userinfo = ()
if username and password:
userinfo = (username, password)
if localdir:
os.chdir(localdir)
self.mutex.acquire()
self.threads += 1
self.mutex.release()
ftpargs = (filename, servername, remotedir, userinfo)
_thread.start_new_thread(self.transfer, ftpargs)
showinfo(self.title, '%s of "%s" started' % (self.mode, filename))
def onCancel(self):
if self.threads == 0:
Tk().quit()
else:
showinfo(self.title,
'Cannot exit: %d threads running' % self.threads)
class FtpGetfileForm(FtpForm):
title = 'FtpGetfileGui'
mode = 'Download'
def do_transfer(self, filename, servername, remotedir, userinfo):
getfile.getfile(
filename, servername, remotedir, userinfo, verbose=False, refetch=True)
if name == 'main':
FtpGetfileForm()
mainloop()
868 | Chapter 13: Client-Side Scripting