class TokenInputGUI(object):
def show_entry_fields(self, event=None):
self.code = self.e1.get()
self.master.withdraw()
self.master.quit()
def quit(self):
self.master.quit()
self.code = None
def doGUI(self, hostname=None):
self.master = Tk()
self.master.title('Blessclient - MFA')
textmsg = 'Enter your AWS MFA code: '
if hostname:
textmsg = 'Enter your AWS MFA code to connect to {}: '.format(
hostname)
Label(self.master, text=textmsg).grid(row=0)
self.e1 = Entry(self.master)
self.e1.grid(row=0, column=1, padx=4)
Button(self.master,
text='OK',
command=self.show_entry_fields,
default=ACTIVE).grid(row=3, column=0, sticky=W, pady=4)
Button(self.master, text='Cancel', command=self.quit).grid(row=3,
column=1,
sticky=W,
pady=4)
self.center()
self.master.bind('<Return>', self.show_entry_fields)
self.master.lift()
self.master.attributes('-topmost', True)
self.master.focus_force()
self.e1.focus_set()
if platform.system() == 'Darwin':
# Hack to get the GUI dialog focused in OSX
# https://stackoverflow.com/questions/1892339/how-to-make-a-tkinter-window-jump-to-the-front/37235492#37235492
tmpl = 'tell application "System Events" to set frontmost of every process whose unix id is {} to true'
script = tmpl.format(os.getpid())
subprocess.check_call(['/usr/bin/osascript', '-e', script])
mainloop()
# http://stackoverflow.com/questions/3352918/how-to-center-a-window-on-the-screen-in-tkinter
def center(self):
self.master.update_idletasks()
w = self.master.winfo_screenwidth()
h = self.master.winfo_screenheight()
size = tuple(
int(_) for _ in self.master.geometry().split('+')[0].split('x'))
x = w / 2 - size[0] / 2
y = h / 2 - size[1] / 2
self.master.geometry("%dx%d+%d+%d" % (size + (x, y)))
class ConcordanceSearchView(object):
_BACKGROUND_COLOUR = '#FFF' #white
#Colour of highlighted results
_HIGHLIGHT_WORD_COLOUR = '#F00' #red
_HIGHLIGHT_WORD_TAG = 'HL_WRD_TAG'
_HIGHLIGHT_LABEL_COLOUR = '#C0C0C0' # dark grey
_HIGHLIGHT_LABEL_TAG = 'HL_LBL_TAG'
#Percentage of text left of the scrollbar position
_FRACTION_LEFT_TEXT = 0.30
def __init__(self):
self.queue = q.Queue()
self.model = ConcordanceSearchModel(self.queue)
self.top = Tk()
self._init_top(self.top)
self._init_menubar()
self._init_widgets(self.top)
self.load_corpus(self.model.DEFAULT_CORPUS)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def _init_top(self, top):
top.geometry('950x680+50+50')
top.title('NLTK Concordance Search')
top.bind('<Control-q>', self.destroy)
top.protocol('WM_DELETE_WINDOW', self.destroy)
top.minsize(950, 680)
def _init_widgets(self, parent):
self.main_frame = Frame(
parent,
dict(background=self._BACKGROUND_COLOUR, padx=1, pady=1, border=1))
self._init_corpus_select(self.main_frame)
self._init_query_box(self.main_frame)
self._init_results_box(self.main_frame)
self._init_paging(self.main_frame)
self._init_status(self.main_frame)
self.main_frame.pack(fill='both', expand=True)
def _init_menubar(self):
self._result_size = IntVar(self.top)
self._cntx_bf_len = IntVar(self.top)
self._cntx_af_len = IntVar(self.top)
menubar = Menu(self.top)
filemenu = Menu(menubar, tearoff=0, borderwidth=0)
filemenu.add_command(label='Exit',
underline=1,
command=self.destroy,
accelerator='Ctrl-q')
menubar.add_cascade(label='File', underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
rescntmenu = Menu(editmenu, tearoff=0)
rescntmenu.add_radiobutton(label='20',
variable=self._result_size,
underline=0,
value=20,
command=self.set_result_size)
rescntmenu.add_radiobutton(label='50',
variable=self._result_size,
underline=0,
value=50,
command=self.set_result_size)
rescntmenu.add_radiobutton(label='100',
variable=self._result_size,
underline=0,
value=100,
command=self.set_result_size)
rescntmenu.invoke(1)
editmenu.add_cascade(label='Result Count',
underline=0,
menu=rescntmenu)
cntxmenu = Menu(editmenu, tearoff=0)
cntxbfmenu = Menu(cntxmenu, tearoff=0)
cntxbfmenu.add_radiobutton(label='60 characters',
variable=self._cntx_bf_len,
underline=0,
value=60,
command=self.set_cntx_bf_len)
cntxbfmenu.add_radiobutton(label='80 characters',
variable=self._cntx_bf_len,
underline=0,
value=80,
command=self.set_cntx_bf_len)
cntxbfmenu.add_radiobutton(label='100 characters',
variable=self._cntx_bf_len,
underline=0,
value=100,
command=self.set_cntx_bf_len)
cntxbfmenu.invoke(1)
cntxmenu.add_cascade(label='Before', underline=0, menu=cntxbfmenu)
cntxafmenu = Menu(cntxmenu, tearoff=0)
cntxafmenu.add_radiobutton(label='70 characters',
variable=self._cntx_af_len,
underline=0,
value=70,
command=self.set_cntx_af_len)
cntxafmenu.add_radiobutton(label='90 characters',
variable=self._cntx_af_len,
underline=0,
value=90,
command=self.set_cntx_af_len)
cntxafmenu.add_radiobutton(label='110 characters',
variable=self._cntx_af_len,
underline=0,
value=110,
command=self.set_cntx_af_len)
cntxafmenu.invoke(1)
cntxmenu.add_cascade(label='After', underline=0, menu=cntxafmenu)
editmenu.add_cascade(label='Context', underline=0, menu=cntxmenu)
menubar.add_cascade(label='Edit', underline=0, menu=editmenu)
self.top.config(menu=menubar)
def set_result_size(self, **kwargs):
self.model.result_count = self._result_size.get()
def set_cntx_af_len(self, **kwargs):
self._char_after = self._cntx_af_len.get()
def set_cntx_bf_len(self, **kwargs):
self._char_before = self._cntx_bf_len.get()
def _init_corpus_select(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.var = StringVar(innerframe)
self.var.set(self.model.DEFAULT_CORPUS)
Label(innerframe,
justify=LEFT,
text=' Corpus: ',
background=self._BACKGROUND_COLOUR,
padx=2,
pady=1,
border=0).pack(side='left')
other_corpora = list(self.model.CORPORA.keys()).remove(
self.model.DEFAULT_CORPUS)
om = OptionMenu(innerframe,
self.var,
self.model.DEFAULT_CORPUS,
command=self.corpus_selected,
*self.model.non_default_corpora())
om['borderwidth'] = 0
om['highlightthickness'] = 1
om.pack(side='left')
innerframe.pack(side='top', fill='x', anchor='n')
def _init_status(self, parent):
self.status = Label(parent,
justify=LEFT,
relief=SUNKEN,
background=self._BACKGROUND_COLOUR,
border=0,
padx=1,
pady=0)
self.status.pack(side='top', anchor='sw')
def _init_query_box(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
another = Frame(innerframe, background=self._BACKGROUND_COLOUR)
self.query_box = Entry(another, width=60)
self.query_box.pack(side='left', fill='x', pady=25, anchor='center')
self.search_button = Button(another,
text='Search',
command=self.search,
borderwidth=1,
highlightthickness=1)
self.search_button.pack(side='left',
fill='x',
pady=25,
anchor='center')
self.query_box.bind('<KeyPress-Return>',
self.search_enter_keypress_handler)
another.pack()
innerframe.pack(side='top', fill='x', anchor='n')
def search_enter_keypress_handler(self, *event):
self.search()
def _init_results_box(self, parent):
innerframe = Frame(parent)
i1 = Frame(innerframe)
i2 = Frame(innerframe)
vscrollbar = Scrollbar(i1, borderwidth=1)
hscrollbar = Scrollbar(i2, borderwidth=1, orient='horiz')
self.results_box = Text(i1,
font=Font(family='courier', size='16'),
state='disabled',
borderwidth=1,
yscrollcommand=vscrollbar.set,
xscrollcommand=hscrollbar.set,
wrap='none',
width='40',
height='20',
exportselection=1)
self.results_box.pack(side='left', fill='both', expand=True)
self.results_box.tag_config(self._HIGHLIGHT_WORD_TAG,
foreground=self._HIGHLIGHT_WORD_COLOUR)
self.results_box.tag_config(self._HIGHLIGHT_LABEL_TAG,
foreground=self._HIGHLIGHT_LABEL_COLOUR)
vscrollbar.pack(side='left', fill='y', anchor='e')
vscrollbar.config(command=self.results_box.yview)
hscrollbar.pack(side='left', fill='x', expand=True, anchor='w')
hscrollbar.config(command=self.results_box.xview)
#there is no other way of avoiding the overlap of scrollbars while using pack layout manager!!!
Label(i2, text=' ',
background=self._BACKGROUND_COLOUR).pack(side='left', anchor='e')
i1.pack(side='top', fill='both', expand=True, anchor='n')
i2.pack(side='bottom', fill='x', anchor='s')
innerframe.pack(side='top', fill='both', expand=True)
def _init_paging(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.prev = prev = Button(innerframe,
text='Previous',
command=self.previous,
width='10',
borderwidth=1,
highlightthickness=1,
state='disabled')
prev.pack(side='left', anchor='center')
self.next = next = Button(innerframe,
text='Next',
command=self.__next__,
width='10',
borderwidth=1,
highlightthickness=1,
state='disabled')
next.pack(side='right', anchor='center')
innerframe.pack(side='top', fill='y')
self.current_page = 0
def previous(self):
self.clear_results_box()
self.freeze_editable()
self.model.prev(self.current_page - 1)
def __next__(self):
self.clear_results_box()
self.freeze_editable()
self.model.next(self.current_page + 1)
def about(self, *e):
ABOUT = ("NLTK Concordance Search Demo\n")
TITLE = 'About: NLTK Concordance Search Demo'
try:
from six.moves.tkinter_messagebox import Message
Message(message=ABOUT, title=TITLE, parent=self.main_frame).show()
except:
ShowText(self.top, TITLE, ABOUT)
def _bind_event_handlers(self):
self.top.bind(CORPUS_LOADED_EVENT, self.handle_corpus_loaded)
self.top.bind(SEARCH_TERMINATED_EVENT, self.handle_search_terminated)
self.top.bind(SEARCH_ERROR_EVENT, self.handle_search_error)
self.top.bind(ERROR_LOADING_CORPUS_EVENT,
self.handle_error_loading_corpus)
def _poll(self):
try:
event = self.queue.get(block=False)
except q.Empty:
pass
else:
if event == CORPUS_LOADED_EVENT:
self.handle_corpus_loaded(event)
elif event == SEARCH_TERMINATED_EVENT:
self.handle_search_terminated(event)
elif event == SEARCH_ERROR_EVENT:
self.handle_search_error(event)
elif event == ERROR_LOADING_CORPUS_EVENT:
self.handle_error_loading_corpus(event)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def handle_error_loading_corpus(self, event):
self.status['text'] = 'Error in loading ' + self.var.get()
self.unfreeze_editable()
self.clear_all()
self.freeze_editable()
def handle_corpus_loaded(self, event):
self.status['text'] = self.var.get() + ' is loaded'
self.unfreeze_editable()
self.clear_all()
self.query_box.focus_set()
def handle_search_terminated(self, event):
#todo: refactor the model such that it is less state sensitive
results = self.model.get_results()
self.write_results(results)
self.status['text'] = ''
if len(results) == 0:
self.status['text'] = 'No results found for ' + self.model.query
else:
self.current_page = self.model.last_requested_page
self.unfreeze_editable()
self.results_box.xview_moveto(self._FRACTION_LEFT_TEXT)
def handle_search_error(self, event):
self.status['text'] = 'Error in query ' + self.model.query
self.unfreeze_editable()
def corpus_selected(self, *args):
new_selection = self.var.get()
self.load_corpus(new_selection)
def load_corpus(self, selection):
if self.model.selected_corpus != selection:
self.status['text'] = 'Loading ' + selection + '...'
self.freeze_editable()
self.model.load_corpus(selection)
def search(self):
self.current_page = 0
self.clear_results_box()
self.model.reset_results()
query = self.query_box.get()
if (len(query.strip()) == 0): return
self.status['text'] = 'Searching for ' + query
self.freeze_editable()
self.model.search(
query,
self.current_page + 1,
)
def write_results(self, results):
self.results_box['state'] = 'normal'
row = 1
for each in results:
sent, pos1, pos2 = each[0].strip(), each[1], each[2]
if len(sent) != 0:
if (pos1 < self._char_before):
sent, pos1, pos2 = self.pad(sent, pos1, pos2)
sentence = sent[pos1 - self._char_before:pos1 +
self._char_after]
if not row == len(results):
sentence += '\n'
self.results_box.insert(str(row) + '.0', sentence)
word_markers, label_markers = self.words_and_labels(
sent, pos1, pos2)
for marker in word_markers:
self.results_box.tag_add(self._HIGHLIGHT_WORD_TAG,
str(row) + '.' + str(marker[0]),
str(row) + '.' + str(marker[1]))
for marker in label_markers:
self.results_box.tag_add(self._HIGHLIGHT_LABEL_TAG,
str(row) + '.' + str(marker[0]),
str(row) + '.' + str(marker[1]))
row += 1
self.results_box['state'] = 'disabled'
def words_and_labels(self, sentence, pos1, pos2):
search_exp = sentence[pos1:pos2]
words, labels = [], []
labeled_words = search_exp.split(' ')
index = 0
for each in labeled_words:
if each == '':
index += 1
else:
word, label = each.split('/')
words.append((self._char_before + index,
self._char_before + index + len(word)))
index += len(word) + 1
labels.append((self._char_before + index,
self._char_before + index + len(label)))
index += len(label)
index += 1
return words, labels
def pad(self, sent, hstart, hend):
if hstart >= self._char_before:
return sent, hstart, hend
d = self._char_before - hstart
sent = ''.join([' '] * d) + sent
return sent, hstart + d, hend + d
def destroy(self, *e):
if self.top is None: return
self.top.after_cancel(self.after)
self.top.destroy()
self.top = None
def clear_all(self):
self.query_box.delete(0, END)
self.model.reset_query()
self.clear_results_box()
def clear_results_box(self):
self.results_box['state'] = 'normal'
self.results_box.delete("1.0", END)
self.results_box['state'] = 'disabled'
def freeze_editable(self):
self.query_box['state'] = 'disabled'
self.search_button['state'] = 'disabled'
self.prev['state'] = 'disabled'
self.next['state'] = 'disabled'
def unfreeze_editable(self):
self.query_box['state'] = 'normal'
self.search_button['state'] = 'normal'
self.set_paging_button_states()
def set_paging_button_states(self):
if self.current_page == 0 or self.current_page == 1:
self.prev['state'] = 'disabled'
else:
self.prev['state'] = 'normal'
if self.model.has_more_pages(self.current_page):
self.next['state'] = 'normal'
else:
self.next['state'] = 'disabled'
def fire_event(self, event):
#Firing an event so that rendering of widgets happen in the mainloop thread
self.top.event_generate(event, when='tail')
def mainloop(self, *args, **kwargs):
if in_idle(): return
self.top.mainloop(*args, **kwargs)
class LoginDialog(object):
def __init__(self, host):
self.__interna_init()
self.__host = host
self.__initialized = False
if TKTk is not None:
self.__create_content()
self.__initialized = True
def __interna_init(self):
self.__rootFrame = None
self.__top = None
self.__usrEntry = None
self.__pwdEntry = None
self.__accepted = False
self.__host = None
self.__usr = None
self.__pwd = None
def __cancel_action(self):
self.__accepted = False
self.__rootFrame.destroy()
def __login_action(self):
self.__accepted = True
self.__usr = self.__usrEntry.get()
self.__pwd = self.__pwdEntry.get()
self.__rootFrame.destroy()
def __enter_action(self, event):
self.__login_action()
def __create_content(self):
self.__rootFrame = TKTk()
self.__rootFrame.withdraw()
self.__top = TKToplevel(self.__rootFrame)
self.__top.title("Login")
self.__top.protocol("WM_DELETE_WINDOW", self.__rootFrame.destroy)
self.__top.bind('<Return>', self.__enter_action)
self.__top.update_idletasks()
width = self.__top.winfo_width()
height = self.__top.winfo_height()
x = (self.__top.winfo_screenwidth() // 2) - (width // 2)
y = (self.__top.winfo_screenheight() // 2) - (height // 2)
self.__top.geometry("+%d+%d" % (x, y))
row = 0
expLabel = TKLabel(self.__top, text='Login to host:')
expLabel.grid(row=row, column=0, columnspan=4, padx=5, pady=2)
row = row + 1
urlLabel = TKLabel(self.__top, text=self.__host)
urlLabel.grid(row=row, column=0, columnspan=4, padx=5, pady=2)
row = row + 1
usrLabel = TKLabel(self.__top, text='User')
usrLabel.grid(row=row, column=0, columnspan=2, padx=20, pady=5)
self.__usrEntry = TKEntry(self.__top, width=20)
self.__usrEntry.grid(row=row, column=2, columnspan=2, padx=5, pady=5)
row = row + 1
pwdLabel = TKLabel(self.__top, text='Password')
pwdLabel.grid(row=row, column=0, columnspan=2, padx=20, pady=5)
self.__pwdEntry = TKEntry(self.__top, width=20, show="*")
self.__pwdEntry.grid(row=row, column=2, columnspan=2, padx=5, pady=5)
row = row + 1
cancelButton = TKButton(self.__top,
text='Cancel',
command=self.__cancel_action)
cancelButton.grid(row=row, column=1, padx=5, pady=5)
loginButton = TKButton(self.__top,
text='Login',
command=self.__login_action)
loginButton.grid(row=row, column=2, padx=5, pady=5)
def show_login(self):
if self.__initialized:
self.__usrEntry.focus_set()
self.__rootFrame.mainloop()
else:
print("tkinter python module is not available.\n\
Please, install tkinter module or use command line login utility.")
def is_accepted(self):
return self.__accepted
def get_user(self):
return self.__usr
def get_password(self):
return self.__pwd
class LintGui(object):
"""Build and control a window to interact with pylint"""
def __init__(self, root=None):
"""init"""
self.root = root or Tk()
self.root.title('Pylint')
#reporter
self.reporter = None
#message queue for output from reporter
self.msg_queue = six.moves.queue.Queue()
self.msgs = []
self.visible_msgs = []
self.filenames = []
self.rating = StringVar()
self.tabs = {}
self.report_stream = BasicStream(self)
#gui objects
self.lb_messages = None
self.showhistory = None
self.results = None
self.btnRun = None
self.information_box = None
self.convention_box = None
self.refactor_box = None
self.warning_box = None
self.error_box = None
self.fatal_box = None
self.txtModule = None
self.status = None
self.msg_type_dict = None
self.init_gui()
def init_gui(self):
"""init helper"""
window = PanedWindow(self.root, orient="vertical")
window.pack(side=TOP, fill=BOTH, expand=True)
top_pane = Frame(window)
window.add(top_pane)
mid_pane = Frame(window)
window.add(mid_pane)
bottom_pane = Frame(window)
window.add(bottom_pane)
#setting up frames
top_frame = Frame(top_pane)
mid_frame = Frame(top_pane)
history_frame = Frame(top_pane)
radio_frame = Frame(mid_pane)
rating_frame = Frame(mid_pane)
res_frame = Frame(mid_pane)
check_frame = Frame(bottom_pane)
msg_frame = Frame(bottom_pane)
btn_frame = Frame(bottom_pane)
top_frame.pack(side=TOP, fill=X)
mid_frame.pack(side=TOP, fill=X)
history_frame.pack(side=TOP, fill=BOTH, expand=True)
radio_frame.pack(side=TOP, fill=X)
rating_frame.pack(side=TOP, fill=X)
res_frame.pack(side=TOP, fill=BOTH, expand=True)
check_frame.pack(side=TOP, fill=X)
msg_frame.pack(side=TOP, fill=BOTH, expand=True)
btn_frame.pack(side=TOP, fill=X)
# Binding F5 application-wide to run lint
self.root.bind('<F5>', self.run_lint)
#Message ListBox
rightscrollbar = Scrollbar(msg_frame)
rightscrollbar.pack(side=RIGHT, fill=Y)
bottomscrollbar = Scrollbar(msg_frame, orient=HORIZONTAL)
bottomscrollbar.pack(side=BOTTOM, fill=X)
self.lb_messages = Listbox(
msg_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white")
self.lb_messages.bind("<Double-Button-1>", self.show_sourcefile)
self.lb_messages.pack(expand=True, fill=BOTH)
rightscrollbar.config(command=self.lb_messages.yview)
bottomscrollbar.config(command=self.lb_messages.xview)
#History ListBoxes
rightscrollbar2 = Scrollbar(history_frame)
rightscrollbar2.pack(side=RIGHT, fill=Y)
bottomscrollbar2 = Scrollbar(history_frame, orient=HORIZONTAL)
bottomscrollbar2.pack(side=BOTTOM, fill=X)
self.showhistory = Listbox(
history_frame,
yscrollcommand=rightscrollbar2.set,
xscrollcommand=bottomscrollbar2.set,
bg="white")
self.showhistory.pack(expand=True, fill=BOTH)
rightscrollbar2.config(command=self.showhistory.yview)
bottomscrollbar2.config(command=self.showhistory.xview)
self.showhistory.bind('<Double-Button-1>', self.select_recent_file)
self.set_history_window()
#status bar
self.status = Label(self.root, text="", bd=1, relief=SUNKEN, anchor=W)
self.status.pack(side=BOTTOM, fill=X)
#labelbl_ratingls
lbl_rating_label = Label(rating_frame, text='Rating:')
lbl_rating_label.pack(side=LEFT)
lbl_rating = Label(rating_frame, textvariable=self.rating)
lbl_rating.pack(side=LEFT)
Label(mid_frame, text='Recently Used:').pack(side=LEFT)
Label(top_frame, text='Module or package').pack(side=LEFT)
#file textbox
self.txt_module = Entry(top_frame, background='white')
self.txt_module.bind('<Return>', self.run_lint)
self.txt_module.pack(side=LEFT, expand=True, fill=X)
#results box
rightscrollbar = Scrollbar(res_frame)
rightscrollbar.pack(side=RIGHT, fill=Y)
bottomscrollbar = Scrollbar(res_frame, orient=HORIZONTAL)
bottomscrollbar.pack(side=BOTTOM, fill=X)
self.results = Listbox(
res_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white", font="Courier")
self.results.pack(expand=True, fill=BOTH, side=BOTTOM)
rightscrollbar.config(command=self.results.yview)
bottomscrollbar.config(command=self.results.xview)
#buttons
Button(top_frame, text='Open', command=self.file_open).pack(side=LEFT)
Button(top_frame, text='Open Package',
command=(lambda: self.file_open(package=True))).pack(side=LEFT)
self.btnRun = Button(top_frame, text='Run', command=self.run_lint)
self.btnRun.pack(side=LEFT)
Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)
#radio buttons
self.information_box = IntVar()
self.convention_box = IntVar()
self.refactor_box = IntVar()
self.warning_box = IntVar()
self.error_box = IntVar()
self.fatal_box = IntVar()
i = Checkbutton(check_frame, text="Information", fg=COLORS['(I)'],
variable=self.information_box, command=self.refresh_msg_window)
c = Checkbutton(check_frame, text="Convention", fg=COLORS['(C)'],
variable=self.convention_box, command=self.refresh_msg_window)
r = Checkbutton(check_frame, text="Refactor", fg=COLORS['(R)'],
variable=self.refactor_box, command=self.refresh_msg_window)
w = Checkbutton(check_frame, text="Warning", fg=COLORS['(W)'],
variable=self.warning_box, command=self.refresh_msg_window)
e = Checkbutton(check_frame, text="Error", fg=COLORS['(E)'],
variable=self.error_box, command=self.refresh_msg_window)
f = Checkbutton(check_frame, text="Fatal", fg=COLORS['(F)'],
variable=self.fatal_box, command=self.refresh_msg_window)
i.select()
c.select()
r.select()
w.select()
e.select()
f.select()
i.pack(side=LEFT)
c.pack(side=LEFT)
r.pack(side=LEFT)
w.pack(side=LEFT)
e.pack(side=LEFT)
f.pack(side=LEFT)
#check boxes
self.box = StringVar()
# XXX should be generated
report = Radiobutton(
radio_frame, text="Report", variable=self.box,
value="Report", command=self.refresh_results_window)
raw_met = Radiobutton(
radio_frame, text="Raw metrics", variable=self.box,
value="Raw metrics", command=self.refresh_results_window)
dup = Radiobutton(
radio_frame, text="Duplication", variable=self.box,
value="Duplication", command=self.refresh_results_window)
ext = Radiobutton(
radio_frame, text="External dependencies",
variable=self.box, value="External dependencies",
command=self.refresh_results_window)
stat = Radiobutton(
radio_frame, text="Statistics by type",
variable=self.box, value="Statistics by type",
command=self.refresh_results_window)
msg_cat = Radiobutton(
radio_frame, text="Messages by category",
variable=self.box, value="Messages by category",
command=self.refresh_results_window)
msg = Radiobutton(
radio_frame, text="Messages", variable=self.box,
value="Messages", command=self.refresh_results_window)
source_file = Radiobutton(
radio_frame, text="Source File", variable=self.box,
value="Source File", command=self.refresh_results_window)
report.select()
report.grid(column=0, row=0, sticky=W)
raw_met.grid(column=1, row=0, sticky=W)
dup.grid(column=2, row=0, sticky=W)
msg.grid(column=3, row=0, sticky=W)
stat.grid(column=0, row=1, sticky=W)
msg_cat.grid(column=1, row=1, sticky=W)
ext.grid(column=2, row=1, sticky=W)
source_file.grid(column=3, row=1, sticky=W)
#dictionary for check boxes and associated error term
self.msg_type_dict = {
'I': lambda: self.information_box.get() == 1,
'C': lambda: self.convention_box.get() == 1,
'R': lambda: self.refactor_box.get() == 1,
'E': lambda: self.error_box.get() == 1,
'W': lambda: self.warning_box.get() == 1,
'F': lambda: self.fatal_box.get() == 1
}
self.txt_module.focus_set()
def select_recent_file(self, event): # pylint: disable=unused-argument
"""adds the selected file in the history listbox to the Module box"""
if not self.showhistory.size():
return
selected = self.showhistory.curselection()
item = self.showhistory.get(selected)
#update module
self.txt_module.delete(0, END)
self.txt_module.insert(0, item)
def refresh_msg_window(self):
"""refresh the message window with current output"""
#clear the window
self.lb_messages.delete(0, END)
self.visible_msgs = []
for msg in self.msgs:
if self.msg_type_dict.get(msg.C)():
self.visible_msgs.append(msg)
msg_str = convert_to_string(msg)
self.lb_messages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lb_messages.itemconfigure(END, fg=fg_color)
def refresh_results_window(self):
"""refresh the results window with current output"""
#clear the window
self.results.delete(0, END)
try:
for res in self.tabs[self.box.get()]:
self.results.insert(END, res)
except KeyError:
pass
def process_incoming(self):
"""process the incoming messages from running pylint"""
while self.msg_queue.qsize():
try:
msg = self.msg_queue.get(0)
if msg == "DONE":
self.report_stream.output_contents()
return False
#adding message to list of msgs
self.msgs.append(msg)
#displaying msg if message type is selected in check box
if self.msg_type_dict.get(msg.C)():
self.visible_msgs.append(msg)
msg_str = convert_to_string(msg)
self.lb_messages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lb_messages.itemconfigure(END, fg=fg_color)
except six.moves.queue.Empty:
pass
return True
def periodic_call(self):
"""determine when to unlock the run button"""
if self.process_incoming():
self.root.after(100, self.periodic_call)
else:
#enabling button so it can be run again
self.btnRun.config(state=NORMAL)
def mainloop(self):
"""launch the mainloop of the application"""
self.root.mainloop()
def quit(self, _=None):
"""quit the application"""
self.root.quit()
def halt(self): # pylint: disable=no-self-use
"""program halt placeholder"""
return
def file_open(self, package=False, _=None):
"""launch a file browser"""
if not package:
filename = askopenfilename(parent=self.root,
filetypes=[('pythonfiles', '*.py'),
('allfiles', '*')],
title='Select Module')
else:
filename = askdirectory(title="Select A Folder", mustexist=1)
if filename == ():
return
self.txt_module.delete(0, END)
self.txt_module.insert(0, filename)
def update_filenames(self):
"""update the list of recent filenames"""
filename = self.txt_module.get()
if not filename:
filename = os.getcwd()
if filename+'\n' in self.filenames:
index = self.filenames.index(filename+'\n')
self.filenames.pop(index)
#ensure only 10 most recent are stored
if len(self.filenames) == 10:
self.filenames.pop()
self.filenames.insert(0, filename+'\n')
def set_history_window(self):
"""update the history window with info from the history file"""
#clear the window
self.showhistory.delete(0, END)
# keep the last 10 most recent files
try:
view_history = open(HOME+HISTORY, 'r')
for hist in view_history.readlines():
if not hist in self.filenames:
self.filenames.append(hist)
self.showhistory.insert(END, hist.split('\n')[0])
view_history.close()
except IOError:
# do nothing since history file will be created later
return
def run_lint(self, _=None):
"""launches pylint"""
self.update_filenames()
self.root.configure(cursor='watch')
self.reporter = GUIReporter(self, output=self.report_stream)
module = self.txt_module.get()
if not module:
module = os.getcwd()
#cleaning up msgs and windows
self.msgs = []
self.visible_msgs = []
self.lb_messages.delete(0, END)
self.tabs = {}
self.results.delete(0, END)
self.btnRun.config(state=DISABLED)
#setting up a worker thread to run pylint
worker = Thread(target=lint_thread, args=(module, self.reporter, self,))
self.periodic_call()
worker.start()
# Overwrite the .pylint-gui-history file with all the new recently added files
# in order from filenames but only save last 10 files
write_history = open(HOME+HISTORY, 'w')
write_history.writelines(self.filenames)
write_history.close()
self.set_history_window()
self.root.configure(cursor='')
def show_sourcefile(self, event=None): # pylint: disable=unused-argument
selected = self.lb_messages.curselection()
if not selected:
return
msg = self.visible_msgs[int(selected[0])]
scroll = msg.line - 3
if scroll < 0:
scroll = 0
self.tabs["Source File"] = open(msg.path, "r").readlines()
self.box.set("Source File")
self.refresh_results_window()
self.results.yview(scroll)
self.results.select_set(msg.line - 1)
class LintGui(object):
"""Build and control a window to interact with pylint"""
def __init__(self, root=None):
"""init"""
self.root = root or Tk()
self.root.title('Pylint')
#reporter
self.reporter = None
#message queue for output from reporter
self.msg_queue = six.moves.queue.Queue()
self.msgs = []
self.visible_msgs = []
self.filenames = []
self.rating = StringVar()
self.tabs = {}
self.report_stream = BasicStream(self)
#gui objects
self.lb_messages = None
self.showhistory = None
self.results = None
self.btnRun = None
self.information_box = None
self.convention_box = None
self.refactor_box = None
self.warning_box = None
self.error_box = None
self.fatal_box = None
self.txtModule = None
self.status = None
self.msg_type_dict = None
self.init_gui()
def init_gui(self):
"""init helper"""
window = PanedWindow(self.root, orient="vertical")
window.pack(side=TOP, fill=BOTH, expand=True)
top_pane = Frame(window)
window.add(top_pane)
mid_pane = Frame(window)
window.add(mid_pane)
bottom_pane = Frame(window)
window.add(bottom_pane)
#setting up frames
top_frame = Frame(top_pane)
mid_frame = Frame(top_pane)
history_frame = Frame(top_pane)
radio_frame = Frame(mid_pane)
rating_frame = Frame(mid_pane)
res_frame = Frame(mid_pane)
check_frame = Frame(bottom_pane)
msg_frame = Frame(bottom_pane)
btn_frame = Frame(bottom_pane)
top_frame.pack(side=TOP, fill=X)
mid_frame.pack(side=TOP, fill=X)
history_frame.pack(side=TOP, fill=BOTH, expand=True)
radio_frame.pack(side=TOP, fill=X)
rating_frame.pack(side=TOP, fill=X)
res_frame.pack(side=TOP, fill=BOTH, expand=True)
check_frame.pack(side=TOP, fill=X)
msg_frame.pack(side=TOP, fill=BOTH, expand=True)
btn_frame.pack(side=TOP, fill=X)
# Binding F5 application-wide to run lint
self.root.bind('<F5>', self.run_lint)
#Message ListBox
rightscrollbar = Scrollbar(msg_frame)
rightscrollbar.pack(side=RIGHT, fill=Y)
bottomscrollbar = Scrollbar(msg_frame, orient=HORIZONTAL)
bottomscrollbar.pack(side=BOTTOM, fill=X)
self.lb_messages = Listbox(msg_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white")
self.lb_messages.bind("<Double-Button-1>", self.show_sourcefile)
self.lb_messages.pack(expand=True, fill=BOTH)
rightscrollbar.config(command=self.lb_messages.yview)
bottomscrollbar.config(command=self.lb_messages.xview)
#History ListBoxes
rightscrollbar2 = Scrollbar(history_frame)
rightscrollbar2.pack(side=RIGHT, fill=Y)
bottomscrollbar2 = Scrollbar(history_frame, orient=HORIZONTAL)
bottomscrollbar2.pack(side=BOTTOM, fill=X)
self.showhistory = Listbox(history_frame,
yscrollcommand=rightscrollbar2.set,
xscrollcommand=bottomscrollbar2.set,
bg="white")
self.showhistory.pack(expand=True, fill=BOTH)
rightscrollbar2.config(command=self.showhistory.yview)
bottomscrollbar2.config(command=self.showhistory.xview)
self.showhistory.bind('<Double-Button-1>', self.select_recent_file)
self.set_history_window()
#status bar
self.status = Label(self.root, text="", bd=1, relief=SUNKEN, anchor=W)
self.status.pack(side=BOTTOM, fill=X)
#labelbl_ratingls
lbl_rating_label = Label(rating_frame, text='Rating:')
lbl_rating_label.pack(side=LEFT)
lbl_rating = Label(rating_frame, textvariable=self.rating)
lbl_rating.pack(side=LEFT)
Label(mid_frame, text='Recently Used:').pack(side=LEFT)
Label(top_frame, text='Module or package').pack(side=LEFT)
#file textbox
self.txt_module = Entry(top_frame, background='white')
self.txt_module.bind('<Return>', self.run_lint)
self.txt_module.pack(side=LEFT, expand=True, fill=X)
#results box
rightscrollbar = Scrollbar(res_frame)
rightscrollbar.pack(side=RIGHT, fill=Y)
bottomscrollbar = Scrollbar(res_frame, orient=HORIZONTAL)
bottomscrollbar.pack(side=BOTTOM, fill=X)
self.results = Listbox(res_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white",
font="Courier")
self.results.pack(expand=True, fill=BOTH, side=BOTTOM)
rightscrollbar.config(command=self.results.yview)
bottomscrollbar.config(command=self.results.xview)
#buttons
Button(top_frame, text='Open', command=self.file_open).pack(side=LEFT)
Button(top_frame,
text='Open Package',
command=(lambda: self.file_open(package=True))).pack(side=LEFT)
self.btnRun = Button(top_frame, text='Run', command=self.run_lint)
self.btnRun.pack(side=LEFT)
Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)
#radio buttons
self.information_box = IntVar()
self.convention_box = IntVar()
self.refactor_box = IntVar()
self.warning_box = IntVar()
self.error_box = IntVar()
self.fatal_box = IntVar()
i = Checkbutton(check_frame,
text="Information",
fg=COLORS['(I)'],
variable=self.information_box,
command=self.refresh_msg_window)
c = Checkbutton(check_frame,
text="Convention",
fg=COLORS['(C)'],
variable=self.convention_box,
command=self.refresh_msg_window)
r = Checkbutton(check_frame,
text="Refactor",
fg=COLORS['(R)'],
variable=self.refactor_box,
command=self.refresh_msg_window)
w = Checkbutton(check_frame,
text="Warning",
fg=COLORS['(W)'],
variable=self.warning_box,
command=self.refresh_msg_window)
e = Checkbutton(check_frame,
text="Error",
fg=COLORS['(E)'],
variable=self.error_box,
command=self.refresh_msg_window)
f = Checkbutton(check_frame,
text="Fatal",
fg=COLORS['(F)'],
variable=self.fatal_box,
command=self.refresh_msg_window)
i.select()
c.select()
r.select()
w.select()
e.select()
f.select()
i.pack(side=LEFT)
c.pack(side=LEFT)
r.pack(side=LEFT)
w.pack(side=LEFT)
e.pack(side=LEFT)
f.pack(side=LEFT)
#check boxes
self.box = StringVar()
# XXX should be generated
report = Radiobutton(radio_frame,
text="Report",
variable=self.box,
value="Report",
command=self.refresh_results_window)
raw_met = Radiobutton(radio_frame,
text="Raw metrics",
variable=self.box,
value="Raw metrics",
command=self.refresh_results_window)
dup = Radiobutton(radio_frame,
text="Duplication",
variable=self.box,
value="Duplication",
command=self.refresh_results_window)
ext = Radiobutton(radio_frame,
text="External dependencies",
variable=self.box,
value="External dependencies",
command=self.refresh_results_window)
stat = Radiobutton(radio_frame,
text="Statistics by type",
variable=self.box,
value="Statistics by type",
command=self.refresh_results_window)
msg_cat = Radiobutton(radio_frame,
text="Messages by category",
variable=self.box,
value="Messages by category",
command=self.refresh_results_window)
msg = Radiobutton(radio_frame,
text="Messages",
variable=self.box,
value="Messages",
command=self.refresh_results_window)
source_file = Radiobutton(radio_frame,
text="Source File",
variable=self.box,
value="Source File",
command=self.refresh_results_window)
report.select()
report.grid(column=0, row=0, sticky=W)
raw_met.grid(column=1, row=0, sticky=W)
dup.grid(column=2, row=0, sticky=W)
msg.grid(column=3, row=0, sticky=W)
stat.grid(column=0, row=1, sticky=W)
msg_cat.grid(column=1, row=1, sticky=W)
ext.grid(column=2, row=1, sticky=W)
source_file.grid(column=3, row=1, sticky=W)
#dictionary for check boxes and associated error term
self.msg_type_dict = {
'I': lambda: self.information_box.get() == 1,
'C': lambda: self.convention_box.get() == 1,
'R': lambda: self.refactor_box.get() == 1,
'E': lambda: self.error_box.get() == 1,
'W': lambda: self.warning_box.get() == 1,
'F': lambda: self.fatal_box.get() == 1
}
self.txt_module.focus_set()
def select_recent_file(self, event): # pylint: disable=unused-argument
"""adds the selected file in the history listbox to the Module box"""
if not self.showhistory.size():
return
selected = self.showhistory.curselection()
item = self.showhistory.get(selected)
#update module
self.txt_module.delete(0, END)
self.txt_module.insert(0, item)
def refresh_msg_window(self):
"""refresh the message window with current output"""
#clear the window
self.lb_messages.delete(0, END)
self.visible_msgs = []
for msg in self.msgs:
if self.msg_type_dict.get(msg.C)():
self.visible_msgs.append(msg)
msg_str = convert_to_string(msg)
self.lb_messages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lb_messages.itemconfigure(END, fg=fg_color)
def refresh_results_window(self):
"""refresh the results window with current output"""
#clear the window
self.results.delete(0, END)
try:
for res in self.tabs[self.box.get()]:
self.results.insert(END, res)
except KeyError:
pass
def process_incoming(self):
"""process the incoming messages from running pylint"""
while self.msg_queue.qsize():
try:
msg = self.msg_queue.get(0)
if msg == "DONE":
self.report_stream.output_contents()
return False
#adding message to list of msgs
self.msgs.append(msg)
#displaying msg if message type is selected in check box
if self.msg_type_dict.get(msg.C)():
self.visible_msgs.append(msg)
msg_str = convert_to_string(msg)
self.lb_messages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lb_messages.itemconfigure(END, fg=fg_color)
except six.moves.queue.Empty:
pass
return True
def periodic_call(self):
"""determine when to unlock the run button"""
if self.process_incoming():
self.root.after(100, self.periodic_call)
else:
#enabling button so it can be run again
self.btnRun.config(state=NORMAL)
def mainloop(self):
"""launch the mainloop of the application"""
self.root.mainloop()
def quit(self, _=None):
"""quit the application"""
self.root.quit()
def halt(self): # pylint: disable=no-self-use
"""program halt placeholder"""
return
def file_open(self, package=False, _=None):
"""launch a file browser"""
if not package:
filename = askopenfilename(parent=self.root,
filetypes=[('pythonfiles', '*.py'),
('allfiles', '*')],
title='Select Module')
else:
filename = askdirectory(title="Select A Folder", mustexist=1)
if filename == ():
return
self.txt_module.delete(0, END)
self.txt_module.insert(0, filename)
def update_filenames(self):
"""update the list of recent filenames"""
filename = self.txt_module.get()
if not filename:
filename = os.getcwd()
if filename + '\n' in self.filenames:
index = self.filenames.index(filename + '\n')
self.filenames.pop(index)
#ensure only 10 most recent are stored
if len(self.filenames) == 10:
self.filenames.pop()
self.filenames.insert(0, filename + '\n')
def set_history_window(self):
"""update the history window with info from the history file"""
#clear the window
self.showhistory.delete(0, END)
# keep the last 10 most recent files
try:
view_history = open(HOME + HISTORY, 'r')
for hist in view_history.readlines():
if hist not in self.filenames:
self.filenames.append(hist)
self.showhistory.insert(END, hist.split('\n')[0])
view_history.close()
except IOError:
# do nothing since history file will be created later
return
def run_lint(self, _=None):
"""launches pylint"""
self.update_filenames()
self.root.configure(cursor='watch')
self.reporter = GUIReporter(self, output=self.report_stream)
module = self.txt_module.get()
if not module:
module = os.getcwd()
#cleaning up msgs and windows
self.msgs = []
self.visible_msgs = []
self.lb_messages.delete(0, END)
self.tabs = {}
self.results.delete(0, END)
self.btnRun.config(state=DISABLED)
#setting up a worker thread to run pylint
worker = Thread(target=lint_thread,
args=(
module,
self.reporter,
self,
))
self.periodic_call()
worker.start()
# Overwrite the .pylint-gui-history file with all the new recently added files
# in order from filenames but only save last 10 files
write_history = open(HOME + HISTORY, 'w')
write_history.writelines(self.filenames)
write_history.close()
self.set_history_window()
self.root.configure(cursor='')
def show_sourcefile(self, event=None): # pylint: disable=unused-argument
selected = self.lb_messages.curselection()
if not selected:
return
msg = self.visible_msgs[int(selected[0])]
scroll = msg.line - 3
if scroll < 0:
scroll = 0
self.tabs["Source File"] = open(msg.path, "r").readlines()
self.box.set("Source File")
self.refresh_results_window()
self.results.yview(scroll)
self.results.select_set(msg.line - 1)
class LoginDialog(object):
def __init__(self, host):
self.__interna_init()
self.__host = host
self.__create_content()
def __interna_init(self):
self.__rootFrame = None
self.__top = None
self.__usrEntry = None
self.__pwdEntry = None
self.__accepted = False
self.__host = None
self.__usr = None
self.__pwd = None
def __cancel_action(self):
self.__accepted = False
self.__rootFrame.destroy()
def __login_action(self):
self.__accepted = True
self.__usr = self.__usrEntry.get()
self.__pwd = self.__pwdEntry.get()
self.__rootFrame.destroy()
def __enter_action(self, event):
self.__login_action()
def __create_content(self):
self.__rootFrame = TKTk()
self.__rootFrame.withdraw()
self.__top = TKToplevel(self.__rootFrame)
self.__top.title("Login")
self.__top.protocol("WM_DELETE_WINDOW", self.__rootFrame.destroy)
self.__top.bind('<Return>', self.__enter_action)
self.__top.update_idletasks()
width = self.__top.winfo_width()
height = self.__top.winfo_height()
x = (self.__top.winfo_screenwidth() // 2) - (width // 2)
y = (self.__top.winfo_screenheight() // 2) - (height // 2)
self.__top.geometry("+%d+%d" % (x, y))
row = 0
expLabel = TKLabel(self.__top, text='Login to host:')
expLabel.grid(row=row, column=0, columnspan=4, padx=5, pady=2)
row = row+1
urlLabel = TKLabel(self.__top, text=self.__host)
urlLabel.grid(row=row, column=0, columnspan=4, padx=5, pady=2)
row = row+1
usrLabel = TKLabel(self.__top, text='User')
usrLabel.grid(row=row, column=0, columnspan=2, padx=20, pady=5)
self.__usrEntry = TKEntry(self.__top, width=20)
self.__usrEntry.grid(row=row, column=2, columnspan=2, padx=5, pady=5)
row = row+1
pwdLabel = TKLabel(self.__top, text='Password')
pwdLabel.grid(row=row, column=0, columnspan=2, padx=20, pady=5)
self.__pwdEntry = TKEntry(self.__top, width=20, show="*")
self.__pwdEntry.grid(row=row, column=2, columnspan=2, padx=5, pady=5)
row = row+1
cancelButton = TKButton(self.__top, text='Cancel', command=self.__cancel_action)
cancelButton.grid(row=row, column=1, padx=5, pady=5)
loginButton = TKButton(self.__top, text='Login', command=self.__login_action)
loginButton.grid(row=row, column=2, padx=5, pady=5)
def show_login(self):
self.__usrEntry.focus_set()
self.__rootFrame.mainloop()
def is_accepted(self):
return self.__accepted
def get_user(self):
return self.__usr
def get_password(self):
return self.__pwd
class ConcordanceSearchView(object):
_BACKGROUND_COLOUR='#FFF' #white
#Colour of highlighted results
_HIGHLIGHT_WORD_COLOUR='#F00' #red
_HIGHLIGHT_WORD_TAG='HL_WRD_TAG'
_HIGHLIGHT_LABEL_COLOUR='#C0C0C0' # dark grey
_HIGHLIGHT_LABEL_TAG='HL_LBL_TAG'
#Percentage of text left of the scrollbar position
_FRACTION_LEFT_TEXT=0.30
def __init__(self):
self.queue = q.Queue()
self.model = ConcordanceSearchModel(self.queue)
self.top = Tk()
self._init_top(self.top)
self._init_menubar()
self._init_widgets(self.top)
self.load_corpus(self.model.DEFAULT_CORPUS)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def _init_top(self, top):
top.geometry('950x680+50+50')
top.title('NLTK Concordance Search')
top.bind('<Control-q>', self.destroy)
top.protocol('WM_DELETE_WINDOW', self.destroy)
top.minsize(950,680)
def _init_widgets(self, parent):
self.main_frame = Frame(parent, dict(background=self._BACKGROUND_COLOUR, padx=1, pady=1, border=1))
self._init_corpus_select(self.main_frame)
self._init_query_box(self.main_frame)
self._init_results_box(self.main_frame)
self._init_paging(self.main_frame)
self._init_status(self.main_frame)
self.main_frame.pack(fill='both', expand=True)
def _init_menubar(self):
self._result_size = IntVar(self.top)
self._cntx_bf_len = IntVar(self.top)
self._cntx_af_len = IntVar(self.top)
menubar = Menu(self.top)
filemenu = Menu(menubar, tearoff=0, borderwidth=0)
filemenu.add_command(label='Exit', underline=1,
command=self.destroy, accelerator='Ctrl-q')
menubar.add_cascade(label='File', underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
rescntmenu = Menu(editmenu, tearoff=0)
rescntmenu.add_radiobutton(label='20', variable=self._result_size,
underline=0, value=20,
command=self.set_result_size)
rescntmenu.add_radiobutton(label='50', variable=self._result_size,
underline=0, value=50,
command=self.set_result_size)
rescntmenu.add_radiobutton(label='100', variable=self._result_size,
underline=0, value=100,
command=self.set_result_size)
rescntmenu.invoke(1)
editmenu.add_cascade(label='Result Count', underline=0, menu=rescntmenu)
cntxmenu = Menu(editmenu, tearoff=0)
cntxbfmenu = Menu(cntxmenu, tearoff=0)
cntxbfmenu.add_radiobutton(label='60 characters',
variable=self._cntx_bf_len,
underline=0, value=60,
command=self.set_cntx_bf_len)
cntxbfmenu.add_radiobutton(label='80 characters',
variable=self._cntx_bf_len,
underline=0, value=80,
command=self.set_cntx_bf_len)
cntxbfmenu.add_radiobutton(label='100 characters',
variable=self._cntx_bf_len,
underline=0, value=100,
command=self.set_cntx_bf_len)
cntxbfmenu.invoke(1)
cntxmenu.add_cascade(label='Before', underline=0, menu=cntxbfmenu)
cntxafmenu = Menu(cntxmenu, tearoff=0)
cntxafmenu.add_radiobutton(label='70 characters',
variable=self._cntx_af_len,
underline=0, value=70,
command=self.set_cntx_af_len)
cntxafmenu.add_radiobutton(label='90 characters',
variable=self._cntx_af_len,
underline=0, value=90,
command=self.set_cntx_af_len)
cntxafmenu.add_radiobutton(label='110 characters',
variable=self._cntx_af_len,
underline=0, value=110,
command=self.set_cntx_af_len)
cntxafmenu.invoke(1)
cntxmenu.add_cascade(label='After', underline=0, menu=cntxafmenu)
editmenu.add_cascade(label='Context', underline=0, menu=cntxmenu)
menubar.add_cascade(label='Edit', underline=0, menu=editmenu)
self.top.config(menu=menubar)
def set_result_size(self, **kwargs):
self.model.result_count = self._result_size.get()
def set_cntx_af_len(self, **kwargs):
self._char_after = self._cntx_af_len.get()
def set_cntx_bf_len(self, **kwargs):
self._char_before = self._cntx_bf_len.get()
def _init_corpus_select(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.var = StringVar(innerframe)
self.var.set(self.model.DEFAULT_CORPUS)
Label(innerframe, justify=LEFT, text=' Corpus: ',
background=self._BACKGROUND_COLOUR, padx = 2, pady = 1, border = 0).pack(side='left')
other_corpora = list(self.model.CORPORA.keys()).remove(self.model.DEFAULT_CORPUS)
om = OptionMenu(innerframe, self.var, self.model.DEFAULT_CORPUS, command=self.corpus_selected, *self.model.non_default_corpora())
om['borderwidth'] = 0
om['highlightthickness'] = 1
om.pack(side='left')
innerframe.pack(side='top', fill='x', anchor='n')
def _init_status(self, parent):
self.status = Label(parent, justify=LEFT, relief=SUNKEN, background=self._BACKGROUND_COLOUR, border=0, padx = 1, pady = 0)
self.status.pack(side='top', anchor='sw')
def _init_query_box(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
another = Frame(innerframe, background=self._BACKGROUND_COLOUR)
self.query_box = Entry(another, width=60)
self.query_box.pack(side='left', fill='x', pady=25, anchor='center')
self.search_button = Button(another, text='Search', command=self.search, borderwidth=1, highlightthickness=1)
self.search_button.pack(side='left', fill='x', pady=25, anchor='center')
self.query_box.bind('<KeyPress-Return>', self.search_enter_keypress_handler)
another.pack()
innerframe.pack(side='top', fill='x', anchor='n')
def search_enter_keypress_handler(self, *event):
self.search()
def _init_results_box(self, parent):
innerframe = Frame(parent)
i1 = Frame(innerframe)
i2 = Frame(innerframe)
vscrollbar = Scrollbar(i1, borderwidth=1)
hscrollbar = Scrollbar(i2, borderwidth=1, orient='horiz')
self.results_box = Text(i1,
font=Font(family='courier', size='16'),
state='disabled', borderwidth=1,
yscrollcommand=vscrollbar.set,
xscrollcommand=hscrollbar.set, wrap='none', width='40', height = '20', exportselection=1)
self.results_box.pack(side='left', fill='both', expand=True)
self.results_box.tag_config(self._HIGHLIGHT_WORD_TAG, foreground=self._HIGHLIGHT_WORD_COLOUR)
self.results_box.tag_config(self._HIGHLIGHT_LABEL_TAG, foreground=self._HIGHLIGHT_LABEL_COLOUR)
vscrollbar.pack(side='left', fill='y', anchor='e')
vscrollbar.config(command=self.results_box.yview)
hscrollbar.pack(side='left', fill='x', expand=True, anchor='w')
hscrollbar.config(command=self.results_box.xview)
#there is no other way of avoiding the overlap of scrollbars while using pack layout manager!!!
Label(i2, text=' ', background=self._BACKGROUND_COLOUR).pack(side='left', anchor='e')
i1.pack(side='top', fill='both', expand=True, anchor='n')
i2.pack(side='bottom', fill='x', anchor='s')
innerframe.pack(side='top', fill='both', expand=True)
def _init_paging(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.prev = prev = Button(innerframe, text='Previous', command=self.previous, width='10', borderwidth=1, highlightthickness=1, state='disabled')
prev.pack(side='left', anchor='center')
self.next = next = Button(innerframe, text='Next', command=self.__next__, width='10', borderwidth=1, highlightthickness=1, state='disabled')
next.pack(side='right', anchor='center')
innerframe.pack(side='top', fill='y')
self.current_page = 0
def previous(self):
self.clear_results_box()
self.freeze_editable()
self.model.prev(self.current_page - 1)
def __next__(self):
self.clear_results_box()
self.freeze_editable()
self.model.next(self.current_page + 1)
def about(self, *e):
ABOUT = ("NLTK Concordance Search Demo\n")
TITLE = 'About: NLTK Concordance Search Demo'
try:
from six.moves.tkinter_messagebox import Message
Message(message=ABOUT, title=TITLE, parent=self.main_frame).show()
except:
ShowText(self.top, TITLE, ABOUT)
def _bind_event_handlers(self):
self.top.bind(CORPUS_LOADED_EVENT, self.handle_corpus_loaded)
self.top.bind(SEARCH_TERMINATED_EVENT, self.handle_search_terminated)
self.top.bind(SEARCH_ERROR_EVENT, self.handle_search_error)
self.top.bind(ERROR_LOADING_CORPUS_EVENT, self.handle_error_loading_corpus)
def _poll(self):
try:
event = self.queue.get(block=False)
except q.Empty:
pass
else:
if event == CORPUS_LOADED_EVENT:
self.handle_corpus_loaded(event)
elif event == SEARCH_TERMINATED_EVENT:
self.handle_search_terminated(event)
elif event == SEARCH_ERROR_EVENT:
self.handle_search_error(event)
elif event == ERROR_LOADING_CORPUS_EVENT:
self.handle_error_loading_corpus(event)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def handle_error_loading_corpus(self, event):
self.status['text'] = 'Error in loading ' + self.var.get()
self.unfreeze_editable()
self.clear_all()
self.freeze_editable()
def handle_corpus_loaded(self, event):
self.status['text'] = self.var.get() + ' is loaded'
self.unfreeze_editable()
self.clear_all()
self.query_box.focus_set()
def handle_search_terminated(self, event):
#todo: refactor the model such that it is less state sensitive
results = self.model.get_results()
self.write_results(results)
self.status['text'] = ''
if len(results) == 0:
self.status['text'] = 'No results found for ' + self.model.query
else:
self.current_page = self.model.last_requested_page
self.unfreeze_editable()
self.results_box.xview_moveto(self._FRACTION_LEFT_TEXT)
def handle_search_error(self, event):
self.status['text'] = 'Error in query ' + self.model.query
self.unfreeze_editable()
def corpus_selected(self, *args):
new_selection = self.var.get()
self.load_corpus(new_selection)
def load_corpus(self, selection):
if self.model.selected_corpus != selection:
self.status['text'] = 'Loading ' + selection + '...'
self.freeze_editable()
self.model.load_corpus(selection)
def search(self):
self.current_page = 0
self.clear_results_box()
self.model.reset_results()
query = self.query_box.get()
if (len(query.strip()) == 0): return
self.status['text'] = 'Searching for ' + query
self.freeze_editable()
self.model.search(query, self.current_page + 1, )
def write_results(self, results):
self.results_box['state'] = 'normal'
row = 1
for each in results:
sent, pos1, pos2 = each[0].strip(), each[1], each[2]
if len(sent) != 0:
if (pos1 < self._char_before):
sent, pos1, pos2 = self.pad(sent, pos1, pos2)
sentence = sent[pos1-self._char_before:pos1+self._char_after]
if not row == len(results):
sentence += '\n'
self.results_box.insert(str(row) + '.0', sentence)
word_markers, label_markers = self.words_and_labels(sent, pos1, pos2)
for marker in word_markers: self.results_box.tag_add(self._HIGHLIGHT_WORD_TAG, str(row) + '.' + str(marker[0]), str(row) + '.' + str(marker[1]))
for marker in label_markers: self.results_box.tag_add(self._HIGHLIGHT_LABEL_TAG, str(row) + '.' + str(marker[0]), str(row) + '.' + str(marker[1]))
row += 1
self.results_box['state'] = 'disabled'
def words_and_labels(self, sentence, pos1, pos2):
search_exp = sentence[pos1:pos2]
words, labels = [], []
labeled_words = search_exp.split(' ')
index = 0
for each in labeled_words:
if each == '':
index += 1
else:
word, label = each.split('/')
words.append((self._char_before + index, self._char_before + index + len(word)))
index += len(word) + 1
labels.append((self._char_before + index, self._char_before + index + len(label)))
index += len(label)
index += 1
return words, labels
def pad(self, sent, hstart, hend):
if hstart >= self._char_before:
return sent, hstart, hend
d = self._char_before - hstart
sent = ''.join([' '] * d) + sent
return sent, hstart + d, hend + d
def destroy(self, *e):
if self.top is None: return
self.top.after_cancel(self.after)
self.top.destroy()
self.top = None
def clear_all(self):
self.query_box.delete(0, END)
self.model.reset_query()
self.clear_results_box()
def clear_results_box(self):
self.results_box['state'] = 'normal'
self.results_box.delete("1.0", END)
self.results_box['state'] = 'disabled'
def freeze_editable(self):
self.query_box['state'] = 'disabled'
self.search_button['state'] = 'disabled'
self.prev['state'] = 'disabled'
self.next['state'] = 'disabled'
def unfreeze_editable(self):
self.query_box['state'] = 'normal'
self.search_button['state'] = 'normal'
self.set_paging_button_states()
def set_paging_button_states(self):
if self.current_page == 0 or self.current_page == 1:
self.prev['state'] = 'disabled'
else:
self.prev['state'] = 'normal'
if self.model.has_more_pages(self.current_page):
self.next['state'] = 'normal'
else:
self.next['state'] = 'disabled'
def fire_event(self, event):
#Firing an event so that rendering of widgets happen in the mainloop thread
self.top.event_generate(event, when='tail')
def mainloop(self, *args, **kwargs):
if in_idle(): return
self.top.mainloop(*args, **kwargs)
class ConcordanceSearchView(object):
_BACKGROUND_COLOUR = "#FFF" # white
# Colour of highlighted results
_HIGHLIGHT_WORD_COLOUR = "#F00" # red
_HIGHLIGHT_WORD_TAG = "HL_WRD_TAG"
_HIGHLIGHT_LABEL_COLOUR = "#C0C0C0" # dark grey
_HIGHLIGHT_LABEL_TAG = "HL_LBL_TAG"
# Percentage of text left of the scrollbar position
_FRACTION_LEFT_TEXT = 0.30
def __init__(self):
self.queue = q.Queue()
self.model = ConcordanceSearchModel(self.queue)
self.top = Tk()
self._init_top(self.top)
self._init_menubar()
self._init_widgets(self.top)
self.load_corpus(self.model.DEFAULT_CORPUS)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def _init_top(self, top):
top.geometry("950x680+50+50")
top.title("NLTK Concordance Search")
top.bind("<Control-q>", self.destroy)
top.protocol("WM_DELETE_WINDOW", self.destroy)
top.minsize(950, 680)
def _init_widgets(self, parent):
self.main_frame = Frame(
parent,
dict(background=self._BACKGROUND_COLOUR, padx=1, pady=1, border=1))
self._init_corpus_select(self.main_frame)
self._init_query_box(self.main_frame)
self._init_results_box(self.main_frame)
self._init_paging(self.main_frame)
self._init_status(self.main_frame)
self.main_frame.pack(fill="both", expand=True)
def _init_menubar(self):
self._result_size = IntVar(self.top)
self._cntx_bf_len = IntVar(self.top)
self._cntx_af_len = IntVar(self.top)
menubar = Menu(self.top)
filemenu = Menu(menubar, tearoff=0, borderwidth=0)
filemenu.add_command(label="Exit",
underline=1,
command=self.destroy,
accelerator="Ctrl-q")
menubar.add_cascade(label="File", underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
rescntmenu = Menu(editmenu, tearoff=0)
rescntmenu.add_radiobutton(
label="20",
variable=self._result_size,
underline=0,
value=20,
command=self.set_result_size,
)
rescntmenu.add_radiobutton(
label="50",
variable=self._result_size,
underline=0,
value=50,
command=self.set_result_size,
)
rescntmenu.add_radiobutton(
label="100",
variable=self._result_size,
underline=0,
value=100,
command=self.set_result_size,
)
rescntmenu.invoke(1)
editmenu.add_cascade(label="Result Count",
underline=0,
menu=rescntmenu)
cntxmenu = Menu(editmenu, tearoff=0)
cntxbfmenu = Menu(cntxmenu, tearoff=0)
cntxbfmenu.add_radiobutton(
label="60 characters",
variable=self._cntx_bf_len,
underline=0,
value=60,
command=self.set_cntx_bf_len,
)
cntxbfmenu.add_radiobutton(
label="80 characters",
variable=self._cntx_bf_len,
underline=0,
value=80,
command=self.set_cntx_bf_len,
)
cntxbfmenu.add_radiobutton(
label="100 characters",
variable=self._cntx_bf_len,
underline=0,
value=100,
command=self.set_cntx_bf_len,
)
cntxbfmenu.invoke(1)
cntxmenu.add_cascade(label="Before", underline=0, menu=cntxbfmenu)
cntxafmenu = Menu(cntxmenu, tearoff=0)
cntxafmenu.add_radiobutton(
label="70 characters",
variable=self._cntx_af_len,
underline=0,
value=70,
command=self.set_cntx_af_len,
)
cntxafmenu.add_radiobutton(
label="90 characters",
variable=self._cntx_af_len,
underline=0,
value=90,
command=self.set_cntx_af_len,
)
cntxafmenu.add_radiobutton(
label="110 characters",
variable=self._cntx_af_len,
underline=0,
value=110,
command=self.set_cntx_af_len,
)
cntxafmenu.invoke(1)
cntxmenu.add_cascade(label="After", underline=0, menu=cntxafmenu)
editmenu.add_cascade(label="Context", underline=0, menu=cntxmenu)
menubar.add_cascade(label="Edit", underline=0, menu=editmenu)
self.top.config(menu=menubar)
def set_result_size(self, **kwargs):
self.model.result_count = self._result_size.get()
def set_cntx_af_len(self, **kwargs):
self._char_after = self._cntx_af_len.get()
def set_cntx_bf_len(self, **kwargs):
self._char_before = self._cntx_bf_len.get()
def _init_corpus_select(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.var = StringVar(innerframe)
self.var.set(self.model.DEFAULT_CORPUS)
Label(
innerframe,
justify=LEFT,
text=" Corpus: ",
background=self._BACKGROUND_COLOUR,
padx=2,
pady=1,
border=0,
).pack(side="left")
other_corpora = list(self.model.CORPORA.keys()).remove(
self.model.DEFAULT_CORPUS)
om = OptionMenu(innerframe,
self.var,
self.model.DEFAULT_CORPUS,
command=self.corpus_selected,
*self.model.non_default_corpora())
om["borderwidth"] = 0
om["highlightthickness"] = 1
om.pack(side="left")
innerframe.pack(side="top", fill="x", anchor="n")
def _init_status(self, parent):
self.status = Label(
parent,
justify=LEFT,
relief=SUNKEN,
background=self._BACKGROUND_COLOUR,
border=0,
padx=1,
pady=0,
)
self.status.pack(side="top", anchor="sw")
def _init_query_box(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
another = Frame(innerframe, background=self._BACKGROUND_COLOUR)
self.query_box = Entry(another, width=60)
self.query_box.pack(side="left", fill="x", pady=25, anchor="center")
self.search_button = Button(
another,
text="Search",
command=self.search,
borderwidth=1,
highlightthickness=1,
)
self.search_button.pack(side="left",
fill="x",
pady=25,
anchor="center")
self.query_box.bind("<KeyPress-Return>",
self.search_enter_keypress_handler)
another.pack()
innerframe.pack(side="top", fill="x", anchor="n")
def search_enter_keypress_handler(self, *event):
self.search()
def _init_results_box(self, parent):
innerframe = Frame(parent)
i1 = Frame(innerframe)
i2 = Frame(innerframe)
vscrollbar = Scrollbar(i1, borderwidth=1)
hscrollbar = Scrollbar(i2, borderwidth=1, orient="horiz")
self.results_box = Text(
i1,
font=Font(family="courier", size="16"),
state="disabled",
borderwidth=1,
yscrollcommand=vscrollbar.set,
xscrollcommand=hscrollbar.set,
wrap="none",
width="40",
height="20",
exportselection=1,
)
self.results_box.pack(side="left", fill="both", expand=True)
self.results_box.tag_config(self._HIGHLIGHT_WORD_TAG,
foreground=self._HIGHLIGHT_WORD_COLOUR)
self.results_box.tag_config(self._HIGHLIGHT_LABEL_TAG,
foreground=self._HIGHLIGHT_LABEL_COLOUR)
vscrollbar.pack(side="left", fill="y", anchor="e")
vscrollbar.config(command=self.results_box.yview)
hscrollbar.pack(side="left", fill="x", expand=True, anchor="w")
hscrollbar.config(command=self.results_box.xview)
# there is no other way of avoiding the overlap of scrollbars while using pack layout manager!!!
Label(i2, text=" ",
background=self._BACKGROUND_COLOUR).pack(side="left", anchor="e")
i1.pack(side="top", fill="both", expand=True, anchor="n")
i2.pack(side="bottom", fill="x", anchor="s")
innerframe.pack(side="top", fill="both", expand=True)
def _init_paging(self, parent):
innerframe = Frame(parent, background=self._BACKGROUND_COLOUR)
self.prev = prev = Button(
innerframe,
text="Previous",
command=self.previous,
width="10",
borderwidth=1,
highlightthickness=1,
state="disabled",
)
prev.pack(side="left", anchor="center")
self.next = next = Button(
innerframe,
text="Next",
command=self.__next__,
width="10",
borderwidth=1,
highlightthickness=1,
state="disabled",
)
next.pack(side="right", anchor="center")
innerframe.pack(side="top", fill="y")
self.current_page = 0
def previous(self):
self.clear_results_box()
self.freeze_editable()
self.model.prev(self.current_page - 1)
def __next__(self):
self.clear_results_box()
self.freeze_editable()
self.model.next(self.current_page + 1)
def about(self, *e):
ABOUT = "NLTK Concordance Search Demo\n"
TITLE = "About: NLTK Concordance Search Demo"
try:
from six.moves.tkinter_messagebox import Message
Message(message=ABOUT, title=TITLE, parent=self.main_frame).show()
except:
ShowText(self.top, TITLE, ABOUT)
def _bind_event_handlers(self):
self.top.bind(CORPUS_LOADED_EVENT, self.handle_corpus_loaded)
self.top.bind(SEARCH_TERMINATED_EVENT, self.handle_search_terminated)
self.top.bind(SEARCH_ERROR_EVENT, self.handle_search_error)
self.top.bind(ERROR_LOADING_CORPUS_EVENT,
self.handle_error_loading_corpus)
def _poll(self):
try:
event = self.queue.get(block=False)
except q.Empty:
pass
else:
if event == CORPUS_LOADED_EVENT:
self.handle_corpus_loaded(event)
elif event == SEARCH_TERMINATED_EVENT:
self.handle_search_terminated(event)
elif event == SEARCH_ERROR_EVENT:
self.handle_search_error(event)
elif event == ERROR_LOADING_CORPUS_EVENT:
self.handle_error_loading_corpus(event)
self.after = self.top.after(POLL_INTERVAL, self._poll)
def handle_error_loading_corpus(self, event):
self.status["text"] = "Error in loading " + self.var.get()
self.unfreeze_editable()
self.clear_all()
self.freeze_editable()
def handle_corpus_loaded(self, event):
self.status["text"] = self.var.get() + " is loaded"
self.unfreeze_editable()
self.clear_all()
self.query_box.focus_set()
def handle_search_terminated(self, event):
# todo: refactor the model such that it is less state sensitive
results = self.model.get_results()
self.write_results(results)
self.status["text"] = ""
if len(results) == 0:
self.status["text"] = "No results found for " + self.model.query
else:
self.current_page = self.model.last_requested_page
self.unfreeze_editable()
self.results_box.xview_moveto(self._FRACTION_LEFT_TEXT)
def handle_search_error(self, event):
self.status["text"] = "Error in query " + self.model.query
self.unfreeze_editable()
def corpus_selected(self, *args):
new_selection = self.var.get()
self.load_corpus(new_selection)
def load_corpus(self, selection):
if self.model.selected_corpus != selection:
self.status["text"] = "Loading " + selection + "..."
self.freeze_editable()
self.model.load_corpus(selection)
def search(self):
self.current_page = 0
self.clear_results_box()
self.model.reset_results()
query = self.query_box.get()
if len(query.strip()) == 0:
return
self.status["text"] = "Searching for " + query
self.freeze_editable()
self.model.search(query, self.current_page + 1)
def write_results(self, results):
self.results_box["state"] = "normal"
row = 1
for each in results:
sent, pos1, pos2 = each[0].strip(), each[1], each[2]
if len(sent) != 0:
if pos1 < self._char_before:
sent, pos1, pos2 = self.pad(sent, pos1, pos2)
sentence = sent[pos1 - self._char_before:pos1 +
self._char_after]
if not row == len(results):
sentence += "\n"
self.results_box.insert(str(row) + ".0", sentence)
word_markers, label_markers = self.words_and_labels(
sent, pos1, pos2)
for marker in word_markers:
self.results_box.tag_add(
self._HIGHLIGHT_WORD_TAG,
str(row) + "." + str(marker[0]),
str(row) + "." + str(marker[1]),
)
for marker in label_markers:
self.results_box.tag_add(
self._HIGHLIGHT_LABEL_TAG,
str(row) + "." + str(marker[0]),
str(row) + "." + str(marker[1]),
)
row += 1
self.results_box["state"] = "disabled"
def words_and_labels(self, sentence, pos1, pos2):
search_exp = sentence[pos1:pos2]
words, labels = [], []
labeled_words = search_exp.split(" ")
index = 0
for each in labeled_words:
if each == "":
index += 1
else:
word, label = each.split("/")
words.append((self._char_before + index,
self._char_before + index + len(word)))
index += len(word) + 1
labels.append((self._char_before + index,
self._char_before + index + len(label)))
index += len(label)
index += 1
return words, labels
def pad(self, sent, hstart, hend):
if hstart >= self._char_before:
return sent, hstart, hend
d = self._char_before - hstart
sent = "".join([" "] * d) + sent
return sent, hstart + d, hend + d
def destroy(self, *e):
if self.top is None:
return
self.top.after_cancel(self.after)
self.top.destroy()
self.top = None
def clear_all(self):
self.query_box.delete(0, END)
self.model.reset_query()
self.clear_results_box()
def clear_results_box(self):
self.results_box["state"] = "normal"
self.results_box.delete("1.0", END)
self.results_box["state"] = "disabled"
def freeze_editable(self):
self.query_box["state"] = "disabled"
self.search_button["state"] = "disabled"
self.prev["state"] = "disabled"
self.next["state"] = "disabled"
def unfreeze_editable(self):
self.query_box["state"] = "normal"
self.search_button["state"] = "normal"
self.set_paging_button_states()
def set_paging_button_states(self):
if self.current_page == 0 or self.current_page == 1:
self.prev["state"] = "disabled"
else:
self.prev["state"] = "normal"
if self.model.has_more_pages(self.current_page):
self.next["state"] = "normal"
else:
self.next["state"] = "disabled"
def fire_event(self, event):
# Firing an event so that rendering of widgets happen in the mainloop thread
self.top.event_generate(event, when="tail")
def mainloop(self, *args, **kwargs):
if in_idle():
return
self.top.mainloop(*args, **kwargs)
