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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 Tkinter
import string
import websucker
import sys
import os
VERBOSE = 1
DEFAULT_URL = "http://www.python.org/download/"
try:
class Canceled(Exception):
"Exception used to cancel run()."
except:
Canceled = __name__ + ".Canceled"
class App(websucker.Sucker):
def __init__(self, top=None):
websucker.Sucker.__init__(self)
self.setflags(verbose=VERBOSE)
self.urlopener.addheaders = [
('User-agent', 'websucker/%s' % websucker.__version__),
##('Accept', 'text/html'),
##('Accept', 'text/plain'),
##('Accept', 'text/*'),
##('Accept', 'image/gif'),
##('Accept', 'image/jpeg'),
##('Accept', 'image/*'),
##('Accept', '*/*'),
]
if not top:
top = Tk()
top.title("websucker GUI")
top.iconname("wsgui")
top.wm_protocol('WM_DELETE_WINDOW', self.exit)
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)
self.url_entry.insert(END, DEFAULT_URL)
self.url_entry.grid(row=0, column=1, sticky='we', columnspan=99)
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.exit_button = Button(top, text="Exit", command=self.exit)
self.exit_button.grid(row=2, column=0, sticky='w')
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')
sys.stdout = self
self.top.update_idletasks()
self.top.grid_propagate(0)
def exit(self):
self.stopit = 1
self.message("[exiting...]")
self.top.update_idletasks()
self.top.quit()
buffer = ""
def write(self, text):
sys.stderr.write(text)
lines = string.split(text, "\n")
if len(lines) > 1:
self.buffer = ""
self.buffer = self.buffer + lines[-1]
if string.strip(self.buffer):
self.message(self.buffer)
self.top.update()
if self.stopit:
raise Canceled
def message(self, text, *args):
if args:
text = text % args
self.status_label.config(text=text)
stopit = 0
def go(self):
if self.stopit:
return
self.url_entry.selection_range(0, END)
url = self.url_entry.get()
url = string.strip(url)
if not url:
self.top.bell()
self.message("[Error: No URL entered]")
return
self.rooturl = url
dir = string.strip(self.dir_entry.get())
if not dir:
self.savedir = None
else:
self.savedir = dir
self.rootdir = os.path.dirname(
websucker.Sucker.savefilename(self, url))
self.go_button.configure(state=DISABLED)
self.auto_button.configure(state=DISABLED)
self.cancel_button.configure(state=NORMAL)
self.status_label['text'] = '[running...]'
self.top.update_idletasks()
self.reset()
self.addroot(url)
self.stopit = 0
try:
try:
self.run()
except Canceled:
self.message("[canceled]")
else:
self.message("[done]")
self.top.bell()
finally:
self.go_button.configure(state=NORMAL)
self.auto_button.configure(state=NORMAL)
self.cancel_button.configure(state=DISABLED)
self.stopit = 0
def cancel(self):
self.stopit = 1
self.message("[canceling...]")
def auto(self):
text = self.top.selection_get(selection='CLIPBOARD')
text = string.strip(text)
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.top.update_idletasks()
self.go()
def mainloop(self):
self.top.mainloop()
def savefile(self, text, path):
self.top.update()
if self.stopit:
raise Canceled
websucker.Sucker.savefile(self, text, path)
def getpage(self, url):
self.top.update()
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
if __name__ == '__main__':
App().mainloop()
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