#!/usr/bin/torify /usr/bin/python
import Tkinter
import tkFont
import requests
import html2text
import urllib2
class TkDND(object):
def __init__(self, master):
master.tk.eval('package require tkdnd')
self.master = master
self.tk = master.tk
self._subst_format = ('%A', '%a', '%b', '%D', '%d', '%m', '%T',
'%W', '%X', '%Y', '%x', '%y')
self._subst_format_str = " ".join(self._subst_format)
def bindtarget(self, window, callback, dndtype, event='<Drop>', priority=50):
cmd = self._prepare_tkdnd_func(callback)
return self.tk.call('dnd', 'bindtarget', window, dndtype, event,
cmd, priority)
def _prepare_tkdnd_func(self, callback):
funcid = self.master.register(callback, self._dndsubstitute)
cmd = ('%s %s' % (funcid, self._subst_format_str))
return cmd
def _dndsubstitute(self, *args):
if len(args) != len(self._subst_format):
return args
def try_int(x):
x = str(x)
try:
return int(x)
except ValueError:
return x
A, a, b, D, d, m, T, W, X, Y, x, y = args
event = Tkinter.Event()
event.action = A # Current action of the drag and drop operation.
event.action_list = a # Action list supported by the drag source.
event.mouse_button = b # Mouse button pressed during the drag and drop.
event.data = D # The data that has been dropped.
event.descr = d # The list of descriptions.
event.modifier = m # The list of modifier keyboard keys pressed.
event.dndtype = T
event.widget = self.master.nametowidget(W)
event.x_root = X # Mouse pointer x coord, relative to the root win.
event.y_root = Y
event.x = x # Mouse pointer x coord, relative to the widget.
event.y = y
event.action_list = str(event.action_list).split()
for name in ('mouse_button', 'x', 'y', 'x_root', 'y_root'):
setattr(event, name, try_int(getattr(event, name)))
return (event, )
class TextPlus(Tkinter.Text):
def __init__(self, *args, **kwargs):
Tkinter.Text.__init__(self, *args, **kwargs)
_rc_menu_install(self)
# overwrite default class binding so we don't need to return "break"
self.bind_class("Text", "<Control-a>", self.event_select_all)
self.bind("<Button-3><ButtonRelease-3>", self.show_menu)
def event_select_all(self, *args):
self.focus_force()
self.tag_add("sel","1.0","end")
def show_menu(self, e):
self.tk.call("tk_popup", self.menu, e.x_root, e.y_root)
class EntryPlus(Tkinter.Entry):
def __init__(self, *args, **kwargs):
Tkinter.Entry.__init__(self, *args, **kwargs)
_rc_menu_install(self, go=True)
# overwrite default class binding so we don't need to return "break"
self.bind_class("Entry", "<Control-a>", self.event_select_all)
self.bind("<Button-3><ButtonRelease-3>", self.show_menu)
def event_select_all(self, *args):
self.focus_force()
self.selection_range(0, Tkinter.END)
def event_paste_and_go(self, *args):
self.delete(0,Tkinter.END)
self.focus_force()
self.event_generate("<<Paste>>")
handlereturn(self)
def show_menu(self, e):
self.tk.call("tk_popup", self.menu, e.x_root, e.y_root)
def _rc_menu_install(w, go = False):
w.menu = Tkinter.Menu(w, tearoff=0)
w.menu.add_command(label="Cut")
w.menu.add_command(label="Copy")
w.menu.add_command(label="Paste")
if go:
w.menu.add_command(label="Paste & Go")
w.menu.add_separator()
w.menu.add_command(label="Select all")
w.menu.entryconfigure("Cut", command=lambda: w.focus_force() or w.event_generate("<<Cut>>"))
w.menu.entryconfigure("Copy", command=lambda: w.focus_force() or w.event_generate("<<Copy>>"))
w.menu.entryconfigure("Paste", command=lambda: w.focus_force() or w.event_generate("<<Paste>>"))
if go:
w.menu.entryconfigure("Paste & Go", command=w.event_paste_and_go)
w.menu.entryconfigure("Select all", command=w.event_select_all)
def handle(event):
event.widget.delete(0,Tkinter.END)
url = event.data.strip()
event.widget.insert(0,url)
textwindow(url)
def handlereturn(entry):
p = entry.get().splitlines()[0]
if not p.startswith('http'):
p = 'file://'+ p
textwindow(p)
def convert65536(s):
#convert out-of-range characters
res = []
for c in s:
k = ord(c)
if k < 65536:
res.append(c)
else:
res.append("{"+str(k)+"?}")
return "".join(res)
def gethtml(link):
user_agent = "Mozilla/5.0 (Windows NT 6.1; rv:38.0) Gecko/20100101 Firefox/38.0"
headers={'user-agent':user_agent}
s = requests.Session()
try:
res = s.get(link,headers=headers).text
except requests.exceptions.InvalidSchema:
req=urllib2.Request(link,None,headers)
r = urllib2.urlopen(req)
res = r.read().decode('utf8')
return res
def textwindow(url):
title = url
h = html2text.HTML2Text()
h.ignore_links = True
h.ignore_images = True
s = gethtml(url)
s = h.handle(s)
s = h.unescape(s)
text = convert65536(s)
top = Tkinter.Toplevel()
top.geometry("+200+100")
top.title(title)
top.bind("<Escape>", lambda _ : top.destroy())
S = Tkinter.Scrollbar(top)
customFont = tkFont.Font(family="Arial", size=16)
T = TextPlus(top,height=20,width=78,font=customFont,bg="lightgrey")
S.pack(side=Tkinter.RIGHT,fill=Tkinter.Y)
T.pack(side=Tkinter.LEFT,fill=Tkinter.Y)
S.config(command=T.yview)
T.config(yscrollcommand=S.set)
T.insert(Tkinter.END,text)
def main():
root = Tkinter.Tk()
root.geometry("950x32+200+32")
root.title('markdown')
dnd = TkDND(root)
customFont = tkFont.Font(family="Arial", size=14)
entry = EntryPlus(font=customFont,bg="lightgrey")
entry.pack(expand=1,fill='both')
dnd.bindtarget(entry,handle,'text/plain')
entry.bind("<Return>", lambda _ : handlereturn(entry))
root.mainloop()
if __name__=="__main__":
main()
Diff to Previous Revision
--- revision 3 2015-11-15 12:21:52
+++ revision 4 2015-11-18 14:02:19
@@ -82,9 +82,10 @@
def event_select_all(self, *args):
self.focus_force()
- self.selection_range(0, tk.END)
+ self.selection_range(0, Tkinter.END)
def event_paste_and_go(self, *args):
+ self.delete(0,Tkinter.END)
self.focus_force()
self.event_generate("<<Paste>>")
handlereturn(self)
