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#! /usr/bin/env python
"""Tkinter-based GUI for websucker.
Easy use: type or paste source URL and destination directory in
their respective text boxes, click GO or hit return, and presto.
"""
from Tkinter import *
import websucker
import os
import threading
import Queue
import time
VERBOSE = 2
try:
class Canceled(Exception):
"Exception used to cancel run()."
except (NameError, TypeError):
Canceled = __name__ + ".Canceled"
class SuckerThread(websucker.Sucker):
stopit = 0
savedir = None
rootdir = None
def __init__(self, msgq):
self.msgq = msgq
websucker.Sucker.__init__(self)
self.setflags(verbose=VERBOSE)
self.urlopener.addheaders = [
('User-agent', 'websucker/%s' % websucker.__version__),
]
def message(self, format, *args):
if args:
format = format%args
##print format
self.msgq.put(format)
def run1(self, url):
try:
try:
self.reset()
self.addroot(url)
self.run()
except Canceled:
self.message("[canceled]")
else:
self.message("[done]")
finally:
self.msgq.put(None)
def savefile(self, text, path):
if self.stopit:
raise Canceled
websucker.Sucker.savefile(self, text, path)
def getpage(self, url):
if self.stopit:
raise Canceled
return websucker.Sucker.getpage(self, url)
def savefilename(self, url):
path = websucker.Sucker.savefilename(self, url)
if self.savedir:
n = len(self.rootdir)
if path[:n] == self.rootdir:
path = path[n:]
while path[:1] == os.sep:
path = path[1:]
path = os.path.join(self.savedir, path)
return path
def XXXaddrobot(self, *args):
pass
def XXXisallowed(self, *args):
return 1
class App:
sucker = None
msgq = None
def __init__(self, top):
self.top = top
top.columnconfigure(99, weight=1)
self.url_label = Label(top, text="URL:")
self.url_label.grid(row=0, column=0, sticky='e')
self.url_entry = Entry(top, width=60, exportselection=0)
self.url_entry.grid(row=0, column=1, sticky='we',
columnspan=99)
self.url_entry.focus_set()
self.url_entry.bind("<Key-Return>", self.go)
self.dir_label = Label(top, text="Directory:")
self.dir_label.grid(row=1, column=0, sticky='e')
self.dir_entry = Entry(top)
self.dir_entry.grid(row=1, column=1, sticky='we',
columnspan=99)
self.go_button = Button(top, text="Go", command=self.go)
self.go_button.grid(row=2, column=1, sticky='w')
self.cancel_button = Button(top, text="Cancel",
command=self.cancel,
state=DISABLED)
self.cancel_button.grid(row=2, column=2, sticky='w')
self.auto_button = Button(top, text="Paste+Go",
command=self.auto)
self.auto_button.grid(row=2, column=3, sticky='w')
self.status_label = Label(top, text="[idle]")
self.status_label.grid(row=2, column=4, sticky='w')
self.top.update_idletasks()
self.top.grid_propagate(0)
def message(self, text, *args):
if args:
text = text % args
self.status_label.config(text=text)
def check_msgq(self):
while not self.msgq.empty():
msg = self.msgq.get()
if msg is None:
self.go_button.configure(state=NORMAL)
self.auto_button.configure(state=NORMAL)
self.cancel_button.configure(state=DISABLED)
if self.sucker:
self.sucker.stopit = 0
self.top.bell()
else:
self.message(msg)
self.top.after(100, self.check_msgq)
def go(self, event=None):
if not self.msgq:
self.msgq = Queue.Queue(0)
self.check_msgq()
if not self.sucker:
self.sucker = SuckerThread(self.msgq)
if self.sucker.stopit:
return
self.url_entry.selection_range(0, END)
url = self.url_entry.get()
url = url.strip()
if not url:
self.top.bell()
self.message("[Error: No URL entered]")
return
self.rooturl = url
dir = self.dir_entry.get().strip()
if not dir:
self.sucker.savedir = None
else:
self.sucker.savedir = dir
self.sucker.rootdir = os.path.dirname(
websucker.Sucker.savefilename(self.sucker, url))
self.go_button.configure(state=DISABLED)
self.auto_button.configure(state=DISABLED)
self.cancel_button.configure(state=NORMAL)
self.message( '[running...]')
self.sucker.stopit = 0
t = threading.Thread(target=self.sucker.run1, args=(url,))
t.start()
def cancel(self):
if self.sucker:
self.sucker.stopit = 1
self.message("[canceling...]")
def auto(self):
tries = ['PRIMARY', 'CLIPBOARD']
text = ""
for t in tries:
try:
text = self.top.selection_get(selection=t)
except TclError:
continue
text = text.strip()
if text:
break
if not text:
self.top.bell()
self.message("[Error: clipboard is empty]")
return
self.url_entry.delete(0, END)
self.url_entry.insert(0, text)
self.go()
class AppArray:
def __init__(self, top=None):
if not top:
top = Tk()
top.title("websucker GUI")
top.iconname("wsgui")
top.wm_protocol('WM_DELETE_WINDOW', self.exit)
self.top = top
self.appframe = Frame(self.top)
self.appframe.pack(fill='both')
self.applist = []
self.exit_button = Button(top, text="Exit", command=self.exit)
self.exit_button.pack(side=RIGHT)
self.new_button = Button(top, text="New", command=self.addsucker)
self.new_button.pack(side=LEFT)
self.addsucker()
##self.applist[0].url_entry.insert(END, "http://www.python.org/doc/essays/")
def addsucker(self):
self.top.geometry("")
frame = Frame(self.appframe, borderwidth=2, relief=GROOVE)
frame.pack(fill='x')
app = App(frame)
self.applist.append(app)
done = 0
def mainloop(self):
while not self.done:
time.sleep(0.1)
self.top.update()
def exit(self):
for app in self.applist:
app.cancel()
app.message("[exiting...]")
self.done = 1
def main():
AppArray().mainloop()
if __name__ == '__main__':
main()
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