mirror of
https://github.com/python/cpython.git
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438 lines
12 KiB
Python
Executable file
438 lines
12 KiB
Python
Executable file
#! /usr/bin/env python
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"""GUI interface to webchecker.
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This works as a Grail applet too! E.g.
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<APPLET CODE=wcgui.py NAME=CheckerWindow></APPLET>
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Checkpoints are not (yet??? ever???) supported.
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User interface:
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Enter a root to check in the text entry box. To enter more than one root,
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enter them one at a time and press <Return> for each one.
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Command buttons Start, Stop and "Check one" govern the checking process in
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the obvious way. Start and "Check one" also enter the root from the text
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entry box if one is present. There's also a check box (enabled by default)
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to decide whether actually to follow external links (since this can slow
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the checking down considerably). Finally there's a Quit button.
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A series of checkbuttons determines whether the corresponding output panel
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is shown. List panels are also automatically shown or hidden when their
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status changes between empty to non-empty. There are six panels:
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Log -- raw output from the checker (-v, -q affect this)
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To check -- links discovered but not yet checked
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Checked -- links that have been checked
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Bad links -- links that failed upon checking
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Errors -- pages containing at least one bad link
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Details -- details about one URL; double click on a URL in any of
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the above list panels (not in Log) will show details
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for that URL
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Use your window manager's Close command to quit.
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Command line options:
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-m bytes -- skip HTML pages larger than this size (default %(MAXPAGE)d)
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-q -- quiet operation (also suppresses external links report)
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-v -- verbose operation; repeating -v will increase verbosity
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Command line arguments:
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rooturl -- URL to start checking
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(default %(DEFROOT)s)
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XXX The command line options (-m, -q, -v) should be GUI accessible.
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XXX The roots should be visible as a list (?).
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XXX The multipanel user interface is clumsy.
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"""
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# ' Emacs bait
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import sys
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import getopt
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import string
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from Tkinter import *
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import tktools
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import webchecker
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import random
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# Override some for a weaker platform
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if sys.platform == 'mac':
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webchecker.DEFROOT = "http://grail.cnri.reston.va.us/"
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webchecker.MAXPAGE = 50000
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webchecker.verbose = 4
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def main():
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'm:qv')
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except getopt.error, msg:
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sys.stdout = sys.stderr
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print msg
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print __doc__%vars(webchecker)
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sys.exit(2)
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for o, a in opts:
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if o == '-m':
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webchecker.maxpage = string.atoi(a)
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if o == '-q':
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webchecker.verbose = 0
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if o == '-v':
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webchecker.verbose = webchecker.verbose + 1
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root = Tk(className='Webchecker')
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root.protocol("WM_DELETE_WINDOW", root.quit)
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c = CheckerWindow(root)
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if args:
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for arg in args[:-1]:
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c.addroot(arg)
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c.suggestroot(args[-1])
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root.mainloop()
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class CheckerWindow(webchecker.Checker):
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def __init__(self, parent, root=webchecker.DEFROOT):
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self.__parent = parent
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self.__topcontrols = Frame(parent)
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self.__topcontrols.pack(side=TOP, fill=X)
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self.__label = Label(self.__topcontrols, text="Root URL:")
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self.__label.pack(side=LEFT)
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self.__rootentry = Entry(self.__topcontrols, width=60)
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self.__rootentry.pack(side=LEFT)
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self.__rootentry.bind('<Return>', self.enterroot)
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self.__rootentry.focus_set()
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self.__controls = Frame(parent)
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self.__controls.pack(side=TOP, fill=X)
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self.__running = 0
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self.__start = Button(self.__controls, text="Run", command=self.start)
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self.__start.pack(side=LEFT)
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self.__stop = Button(self.__controls, text="Stop", command=self.stop,
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state=DISABLED)
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self.__stop.pack(side=LEFT)
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self.__step = Button(self.__controls, text="Check one",
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command=self.step)
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self.__step.pack(side=LEFT)
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self.__cv = BooleanVar()
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self.__cv.set(1)
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self.__checkext = Checkbutton(self.__controls, variable=self.__cv,
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text="Check nonlocal links")
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self.__checkext.pack(side=LEFT)
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self.__reset = Button(self.__controls, text="Start over", command=self.reset)
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self.__reset.pack(side=LEFT)
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if __name__ == '__main__': # No Quit button under Grail!
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self.__quit = Button(self.__controls, text="Quit",
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command=self.__parent.quit)
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self.__quit.pack(side=RIGHT)
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self.__status = Label(parent, text="Status: initial", anchor=W)
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self.__status.pack(side=TOP, fill=X)
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self.__checking = Label(parent, text="Idle", anchor=W)
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self.__checking.pack(side=TOP, fill=X)
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self.__mp = mp = MultiPanel(parent)
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sys.stdout = self.__log = LogPanel(mp, "Log")
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self.__todo = ListPanel(mp, "To check", self.showinfo)
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self.__done = ListPanel(mp, "Checked", self.showinfo)
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self.__bad = ListPanel(mp, "Bad links", self.showinfo)
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self.__errors = ListPanel(mp, "Pages w/ bad links", self.showinfo)
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self.__details = LogPanel(mp, "Details")
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webchecker.Checker.__init__(self)
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del self.checkext # See __getattr__ below
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if root:
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root = string.strip(str(root))
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if root:
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self.suggestroot(root)
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self.newstatus()
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def __getattr__(self, name):
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if name != 'checkext': raise AttributeError, name
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return self.__cv.get()
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def reset(self):
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webchecker.Checker.reset(self)
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for p in self.__todo, self.__done, self.__bad, self.__errors:
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p.clear()
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def suggestroot(self, root):
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self.__rootentry.delete(0, END)
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self.__rootentry.insert(END, root)
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self.__rootentry.select_range(0, END)
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def enterroot(self, event=None):
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root = self.__rootentry.get()
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root = string.strip(root)
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if root:
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self.__checking.config(text="Adding root "+root)
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self.__checking.update_idletasks()
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self.addroot(root)
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self.__checking.config(text="Idle")
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try:
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i = self.__todo.items.index(root)
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except (ValueError, IndexError):
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pass
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else:
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self.__todo.list.select_clear(0, END)
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self.__todo.list.select_set(i)
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self.__todo.list.yview(i)
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self.__rootentry.delete(0, END)
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def start(self):
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self.__start.config(state=DISABLED, relief=SUNKEN)
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self.__stop.config(state=NORMAL)
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self.__step.config(state=DISABLED)
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self.enterroot()
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self.__running = 1
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self.go()
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def stop(self):
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self.__stop.config(state=DISABLED, relief=SUNKEN)
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self.__running = 0
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def step(self):
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self.__start.config(state=DISABLED)
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self.__step.config(state=DISABLED, relief=SUNKEN)
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self.enterroot()
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self.__running = 0
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self.dosomething()
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def go(self):
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if self.__running:
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self.__parent.after_idle(self.dosomething)
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else:
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self.__checking.config(text="Idle")
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self.__start.config(state=NORMAL, relief=RAISED)
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self.__stop.config(state=DISABLED, relief=RAISED)
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self.__step.config(state=NORMAL, relief=RAISED)
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__busy = 0
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def dosomething(self):
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if self.__busy: return
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self.__busy = 1
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if self.todo:
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l = self.__todo.selectedindices()
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if l:
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i = l[0]
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else:
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i = 0
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self.__todo.list.select_set(i)
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self.__todo.list.yview(i)
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url = self.__todo.items[i]
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self.__checking.config(text="Checking "+url)
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self.__parent.update()
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self.dopage(url)
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else:
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self.stop()
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self.__busy = 0
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self.go()
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def showinfo(self, url):
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d = self.__details
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d.clear()
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d.put("URL: %s\n" % url)
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if self.bad.has_key(url):
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d.put("Error: %s\n" % str(self.bad[url]))
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if url in self.roots:
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d.put("Note: This is a root URL\n")
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if self.done.has_key(url):
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d.put("Status: checked\n")
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o = self.done[url]
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elif self.todo.has_key(url):
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d.put("Status: to check\n")
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o = self.todo[url]
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else:
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d.put("Status: unknown (!)\n")
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o = []
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if self.errors.has_key(url):
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d.put("Bad links from this page:\n")
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for triple in self.errors[url]:
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link, rawlink, msg = triple
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d.put(" HREF %s" % link)
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if link != rawlink: d.put(" (%s)" %rawlink)
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d.put("\n")
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d.put(" error %s\n" % str(msg))
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self.__mp.showpanel("Details")
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for source, rawlink in o:
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d.put("Origin: %s" % source)
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if rawlink != url:
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d.put(" (%s)" % rawlink)
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d.put("\n")
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d.text.yview("1.0")
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def setbad(self, url, msg):
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webchecker.Checker.setbad(self, url, msg)
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self.__bad.insert(url)
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self.newstatus()
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def setgood(self, url):
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webchecker.Checker.setgood(self, url)
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self.__bad.remove(url)
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self.newstatus()
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def newlink(self, url, origin):
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webchecker.Checker.newlink(self, url, origin)
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if self.done.has_key(url):
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self.__done.insert(url)
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elif self.todo.has_key(url):
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self.__todo.insert(url)
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self.newstatus()
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def markdone(self, url):
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webchecker.Checker.markdone(self, url)
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self.__done.insert(url)
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self.__todo.remove(url)
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self.newstatus()
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def seterror(self, url, triple):
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webchecker.Checker.seterror(self, url, triple)
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self.__errors.insert(url)
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self.newstatus()
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def newstatus(self):
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self.__status.config(text="Status: "+self.status())
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self.__parent.update()
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class ListPanel:
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def __init__(self, mp, name, showinfo=None):
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self.mp = mp
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self.name = name
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self.showinfo = showinfo
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self.panel = mp.addpanel(name)
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self.list, self.frame = tktools.make_list_box(
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self.panel, width=60, height=5)
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self.list.config(exportselection=0)
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if showinfo:
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self.list.bind('<Double-Button-1>', self.doubleclick)
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self.items = []
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def clear(self):
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self.items = []
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self.list.delete(0, END)
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self.mp.hidepanel(self.name)
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def doubleclick(self, event):
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l = self.selectedindices()
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if l:
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self.showinfo(self.list.get(l[0]))
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def selectedindices(self):
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l = self.list.curselection()
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if not l: return []
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return map(string.atoi, l)
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def insert(self, url):
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if url not in self.items:
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if not self.items:
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self.mp.showpanel(self.name)
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# (I tried sorting alphabetically, but the display is too jumpy)
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i = len(self.items)
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self.list.insert(i, url)
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self.list.yview(i)
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self.items.insert(i, url)
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def remove(self, url):
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try:
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i = self.items.index(url)
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except (ValueError, IndexError):
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pass
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else:
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was_selected = i in self.selectedindices()
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self.list.delete(i)
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del self.items[i]
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if not self.items:
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self.mp.hidepanel(self.name)
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elif was_selected:
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if i >= len(self.items):
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i = len(self.items) - 1
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self.list.select_set(i)
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class LogPanel:
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def __init__(self, mp, name):
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self.mp = mp
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self.name = name
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self.panel = mp.addpanel(name)
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self.text, self.frame = tktools.make_text_box(self.panel, height=10)
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self.text.config(wrap=NONE)
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def clear(self):
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self.text.delete("1.0", END)
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self.text.yview("1.0")
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def put(self, s):
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self.text.insert(END, s)
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if '\n' in s:
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self.text.yview(END)
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def write(self, s):
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self.text.insert(END, s)
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if '\n' in s:
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self.text.yview(END)
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self.panel.update()
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class MultiPanel:
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def __init__(self, parent):
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self.parent = parent
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self.frame = Frame(self.parent)
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self.frame.pack(expand=1, fill=BOTH)
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self.topframe = Frame(self.frame, borderwidth=2, relief=RAISED)
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self.topframe.pack(fill=X)
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self.botframe = Frame(self.frame)
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self.botframe.pack(expand=1, fill=BOTH)
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self.panelnames = []
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self.panels = {}
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def addpanel(self, name, on=0):
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v = StringVar()
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if on:
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v.set(name)
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else:
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v.set("")
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check = Checkbutton(self.topframe, text=name,
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offvalue="", onvalue=name, variable=v,
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command=self.checkpanel)
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check.pack(side=LEFT)
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panel = Frame(self.botframe)
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label = Label(panel, text=name, borderwidth=2, relief=RAISED, anchor=W)
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label.pack(side=TOP, fill=X)
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t = v, check, panel
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self.panelnames.append(name)
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self.panels[name] = t
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if on:
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panel.pack(expand=1, fill=BOTH)
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return panel
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def showpanel(self, name):
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v, check, panel = self.panels[name]
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v.set(name)
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panel.pack(expand=1, fill=BOTH)
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def hidepanel(self, name):
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v, check, panel = self.panels[name]
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v.set("")
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panel.pack_forget()
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def checkpanel(self):
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for name in self.panelnames:
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v, check, panel = self.panels[name]
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panel.pack_forget()
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for name in self.panelnames:
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v, check, panel = self.panels[name]
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if v.get():
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panel.pack(expand=1, fill=BOTH)
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if __name__ == '__main__':
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main()
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