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 = Queue.Queue()
self.msgs = []
self.visible_msgs = []
self.filenames = []
self.rating = StringVar()
self.tabs = {}
self.report_stream = BasicStream(self)
self.differ = differ.Differ()
#gui objects
self.lbMessages = 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"""
#setting up frames
top_frame = Frame(self.root)
mid_frame = Frame(self.root)
radio_frame = Frame(self.root)
res_frame = Frame(self.root)
msg_frame = Frame(self.root)
check_frame = Frame(self.root)
history_frame = Frame(self.root)
btn_frame = Frame(self.root)
rating_frame = Frame(self.root)
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=BOTH, expand=True)
rating_frame.pack(side=TOP, fill=BOTH, expand=True)
res_frame.pack(side=TOP, fill=BOTH, expand=True)
check_frame.pack(side=TOP, fill=BOTH, expand=True)
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.lbMessages = Listbox(msg_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white")
self.lbMessages.bind("<Double-Button-1>", self.show_sourcefile)
self.lbMessages.pack(expand=True, fill=BOTH)
rightscrollbar.config(command=self.lbMessages.yview)
bottomscrollbar.config(command=self.lbMessages.xview)
#Message context menu
self.mnMessages = Menu(self.lbMessages, tearoff=0)
self.mnMessages.add_command(label="View in sourcefile",
command=self.show_sourcefile)
self.mnMessages.add_command(label="Add to ignore patchfile",
command=self.add_to_ignore_patchfile)
self.lbMessages.bind("<Button-3>", self.show_messages_context)
#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)
#labels
self.lblRatingLabel = Label(rating_frame, text='Rating:')
self.lblRatingLabel.pack(side=LEFT)
self.lblRating = Label(rating_frame, textvariable=self.rating)
self.lblRating.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.txtModule = Entry(top_frame, background='white')
self.txtModule.bind('<Return>', self.run_lint)
self.txtModule.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)
rawMet = 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)
msgCat = 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)
sourceFile = 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)
rawMet.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)
msgCat.grid(column=1, row=1, sticky=W)
ext.grid(column=2, row=1, sticky=W)
sourceFile.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.txtModule.focus_set()
def select_recent_file(self, event):
"""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.txtModule.delete(0, END)
self.txtModule.insert(0, item)
def refresh_msg_window(self):
"""refresh the message window with current output"""
#clear the window
self.lbMessages.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.lbMessages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lbMessages.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:
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.lbMessages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lbMessages.itemconfigure(END, fg=fg_color)
except 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):
"""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.txtModule.delete(0, END)
self.txtModule.insert(0, filename)
def update_filenames(self):
"""update the list of recent filenames"""
filename = self.txtModule.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.txtModule.get()
if not module:
module = os.getcwd()
#cleaning up msgs and windows
self.msgs = []
self.visible_msgs = []
self.lbMessages.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):
selected = self.lbMessages.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.abspath, "r").readlines()
self.box.set("Source File")
self.refresh_results_window()
self.results.yview(scroll)
self.results.select_set(msg.line - 1)
def show_messages_context(self, event):
"""Show the message listbox's context menu"""
# Select the item that was clicked
index = self.lbMessages.nearest(event.y)
self.lbMessages.selection_clear(0, END)
self.lbMessages.selection_set(index)
self.lbMessages.activate(index)
self.mnMessages.tk_popup(event.x_root, event.y_root)
def add_to_ignore_patchfile(self, event=None):
"""
Add the selected message to the ignore patchfile.
This means that this message will now be ignored by pylint-patcher.
"""
selected = self.lbMessages.curselection()
if not selected:
return
selected_index = int(selected[0])
msg = self.visible_msgs[selected_index]
self.differ.add_disable_pragma(msg.abspath, msg.line, msg.symbol)
self.differ.diff()
del self.msgs[self.msgs.index(msg)]
del self.visible_msgs[selected_index]
self.lbMessages.delete(selected_index)
class SelectPaths(MyFrame):
def __init__(self, topframe=None):
MyFrame.__init__(self, topframe=topframe)
style = Style()
style.theme_use('clam')
self.patient_foler_path = ""
self.patients = []
self.set_title('Brain segmentation GUI')
self.add_ui_components()
def add_ui_components(self):
# Creating the frames.
self.sub_frame1 = Frame(self)
self.sub_frame1.grid(column=0, row=0)
sub_frame2 = Frame(self)
sub_frame2.grid(column=0, row=1)
sub_frame3 = Frame(self)
sub_frame3.grid(column=0, row=2)
sub_frame21 = Frame(sub_frame2)
sub_frame21.grid(column=0, row=0)
sub_frame22 = Frame(sub_frame2)
sub_frame22.grid(padx=20, column=1, row=0)
sub_frame221 = Frame(sub_frame22)
sub_frame221.grid(row=1, column=0)
# Creating the top-menu buttons.
self.visualise_button = Button(self.sub_frame1,
text="Visualise",
command=self.start_visualisation)
self.visualise_button.grid(row=0, column=1)
self.help_button = Button(self.sub_frame1,
text="Help",
command=self.open_help)
self.help_button.grid(row=0, column=2)
# Creating the select modality path.
self.modality_label = Label(sub_frame21,
text="Path to patient folders",
relief=FLAT)
self.modality_label.grid(row=1, column=1)
self.modality_path_entry = Entry(sub_frame21)
self.modality_path_entry.grid(row=2, column=1)
#self.modality_path_entry.set(self.patient_folder_path)
self.modality_path_button = Button(
sub_frame21,
text="Choose",
command=self.choose_directory_and_import)
self.modality_path_button.grid(row=2, column=2)
# Creating the patients listbox.
self.label_patients = Label(sub_frame22, text="Patients")
self.label_patients.grid(row=0, column=0)
self.listbox_patients = Listbox(sub_frame221,
selectmode='multiple',
width=50,
height=10)
self.listbox_patients.pack(side=LEFT, fill=Y)
#self.listbox_patients.grid(row=1, column=0)
self.listbox_patients.bind("<Button-1>", self.listbox_changed)
self.scrollbar = Scrollbar(sub_frame221)
self.scrollbar.pack(side=RIGHT, fill=Y)
# attach listbox to scrollbar
self.listbox_patients.config(yscrollcommand=self.scrollbar.set)
self.scrollbar.config(command=self.listbox_patients.yview)
# Creating the status console.
self.status_text = Text(sub_frame3, height=5)
self.status_text.grid(column=0, row=0)
self.status_text.tag_configure('title',
justify='center',
font="Arial 10 bold")
self.status_text.tag_configure('entry', justify='left', font="Arial 9")
self.status_text.insert(END, 'Status Console', 'title')
self.status_text_entry_number = 1
self.status_text.configure(state='disabled')
# ***** EVENTS - START********************************
def start_visualisation(self):
""" Launch visualisation module.
Linked to self.visualise_button (Button). """
patient_path = os.path.join(self.patient_folder_path,
'processed_' + self.patients[0])
segmentation_path = os.path.join(
patient_path, SEGM_PREFIX + '_' + self.patients[0] + '.nii.gz')
supervoxel_path = os.path.join(
patient_path,
SUPERVOXEL_PREFIX + '_' + self.patients[0] + '.nii.gz')
# check if the supervoxels and the segmentation exist
if not os.path.exists(supervoxel_path):
supervoxel_path = None
if not os.path.exists(segmentation_path):
segmentation_path = None
mod_paths = []
for mod in MODALITY_PREFIXES:
mod_paths.append(\
os.path.join(patient_path,
mod+'_'+self.patients[0]+'.nii.gz'))
vis = vv.VisualVolumes(image_paths=mod_paths,
segm_path=segmentation_path,
supervoxel_id_path=supervoxel_path,
topframe=self.master)
vis.tkraise()
def listbox_changed(self, event):
""" Add a patient upon selection in the listbox.
Linked to self.listbox_patients (Listbox). """
indices = list(self.listbox_patients.curselection())
selected_idx = self.listbox_patients.nearest(event.y)
if selected_idx == -1:
return
# remove or add a patient index
if selected_idx not in indices:
indices.append(selected_idx)
else:
indices.remove(selected_idx)
# set self.patients based on the new patient indices and enable visualisation if only one is selected.
self.patients = []
for idx in indices:
self.patients.append(self.listbox_patients.get(idx).split(' ')[0])
if len(self.patients) == 1:
self.visualise_button['state'] = 'enabled'
else:
self.visualise_button['state'] = 'disabled'
def choose_directory_and_import(self):
""" Allow the user to select an import path.
Linked to self.modality_path_button (Button),
and sets self.modality_path_entry (Entry). """
initialdir = DATA_PATH
msg = 'Select directory containing patients'
path = askdirectory(title=msg, initialdir=initialdir)
# update the text box.
self.modality_path_entry.delete(0, END)
self.modality_path_entry.insert(0, str(path))
# Adding the modality paths after the folder is selected.
self.patient_folder_path = self.modality_path_entry.get()
if os.path.exists(self.patient_folder_path):
patients_validation = os.listdir(self.patient_folder_path)
# Checking if the patient has the right modalities and importing the patient.
for i, patient in enumerate(patients_validation):
# Checking if the patient was already processed.
if patient.startswith('processed_') or os.path.exists(
os.path.join(self.patient_folder_path,
'processed_' + patient)):
print("The files of the patient " + patient +
" are already copied")
continue
# If everything is fine, then it continues to makign folders and copying files
# Copying the files into the new folder.
valid = self._convert_and_copy_files(patient)
if not valid:
patients_validation[i] = None
# We make a list of patients with only ids for the listbox.
valid_patients = [p for p in patients_validation if p is not None]
self.list_existing_patients(valid_patients)
def _convert_and_copy_files(self, patient):
""" Check if all valid files exist for this patient and return
True if so. """
# Getting the list of modalities for every patient.
patient_path = os.path.join(self.patient_folder_path, patient)
modalities = os.listdir(patient_path)
# Look for paths
valid_paths = {}
prefices = [SEGM_PREFIX, SUPERVOXEL_PREFIX] + MODALITY_PREFIXES
for prefix in prefices:
candidates = [modality \
for modality in modalities \
if modality.startswith(prefix+'.')]
if len(candidates) != 1:
err = '%s file not identified. Look for ambiguities in %s.' \
% (prefix, patient_path)
print(err)
return False
modality = candidates[0]
if not any([
modality.endswith(ext)
for ext in ['.mha', '.nii', '.nii.gz']
]):
err = "Image format not recognized: %s. In %s" \
% (modality, patient_path)
print(err)
return False
valid_paths[prefix] = modality
# Creating a processed patient folder.
os.mkdir(os.path.join(self.patient_folder_path,
'processed_' + patient))
for prefix, basename in valid_paths.iteritems():
shutil.copyfile(
os.path.join(self.patient_folder_path, patient, basename),
os.path.join(self.patient_folder_path, 'processed_' + patient,
prefix + '_' + patient + '.nii.gz'))
return True
def open_help(self):
self.help_window = help_window.HelpWindow()
self.help_window.tkraise()
# ***** EVENTS - END***************************
def list_existing_patients(self, patients=None):
print("Importing existing patients")
# We make a list of patients with only ids for the listbox.
if patients is None:
patients = os.listdir(self.patient_folder_path)
self.patients = []
for patient in patients:
if not patient.startswith('processed_'):
self.patients.append(patient)
self.patients.sort()
self.populate_patient_listbox(self.patients)
if self.listbox_patients.size() > 0:
self.listbox_patients.selection_set(0)
self.status_text.configure(state='normal')
self.status_text.insert(
END, '\n' + str(self.status_text_entry_number) +
'- Patients are imported.', 'entry')
self.status_text_entry_number += 1
self.status_text.insert(
END, '\n' + str(self.status_text_entry_number) +
'- Please select a patient to proceed', 'entry')
self.status_text_entry_number += 1
self.status_text.configure(state='disabled')
def populate_patient_listbox(self, patients):
self.listbox_patients.delete(0, END)
for patient in patients:
patient_path = os.path.join(self.patient_folder_path,
'processed_' + patient)
#check if a given patient has a label
if os.path.exists(
os.path.join(
patient_path, 'corrected_' + SEGM_PREFIX + '_' +
patient + '.nii.gz')):
patient = patient + ' - segmentation corrected'
self.listbox_patients.insert(END, patient)
class ShiftReduceApp(object):
"""
A graphical tool for exploring the shift-reduce parser. The tool
displays the parser's stack and the remaining text, and allows the
user to control the parser's operation. In particular, the user
can shift tokens onto the stack, and can perform reductions on the
top elements of the stack. A "step" button simply steps through
the parsing process, performing the operations that
``nltk.parse.ShiftReduceParser`` would use.
"""
def __init__(self, grammar, sent, trace=0):
self._sent = sent
self._parser = SteppingShiftReduceParser(grammar, trace)
# Set up the main window.
self._top = Tk()
self._top.title('Shift Reduce Parser Application')
# Animations. animating_lock is a lock to prevent the demo
# from performing new operations while it's animating.
self._animating_lock = 0
self._animate = IntVar(self._top)
self._animate.set(10) # = medium
# The user can hide the grammar.
self._show_grammar = IntVar(self._top)
self._show_grammar.set(1)
# Initialize fonts.
self._init_fonts(self._top)
# Set up key bindings.
self._init_bindings()
# Create the basic frames.
self._init_menubar(self._top)
self._init_buttons(self._top)
self._init_feedback(self._top)
self._init_grammar(self._top)
self._init_canvas(self._top)
# A popup menu for reducing.
self._reduce_menu = Menu(self._canvas, tearoff=0)
# Reset the demo, and set the feedback frame to empty.
self.reset()
self._lastoper1['text'] = ''
#########################################
## Initialization Helpers
#########################################
def _init_fonts(self, root):
# See: <http://www.astro.washington.edu/owen/ROTKFolklore.html>
self._sysfont = tkFont.Font(font=Button()["font"])
root.option_add("*Font", self._sysfont)
# TWhat's our font size (default=same as sysfont)
self._size = IntVar(root)
self._size.set(self._sysfont.cget('size'))
self._boldfont = tkFont.Font(family='helvetica',
weight='bold',
size=self._size.get())
self._font = tkFont.Font(family='helvetica', size=self._size.get())
def _init_grammar(self, parent):
# Grammar view.
self._prodframe = listframe = Frame(parent)
self._prodframe.pack(fill='both', side='left', padx=2)
self._prodlist_label = Label(self._prodframe,
font=self._boldfont,
text='Available Reductions')
self._prodlist_label.pack()
self._prodlist = Listbox(self._prodframe,
selectmode='single',
relief='groove',
background='white',
foreground='#909090',
font=self._font,
selectforeground='#004040',
selectbackground='#c0f0c0')
self._prodlist.pack(side='right', fill='both', expand=1)
self._productions = list(self._parser.grammar().productions())
for production in self._productions:
self._prodlist.insert('end', (' %s' % production))
self._prodlist.config(height=min(len(self._productions), 25))
# Add a scrollbar if there are more than 25 productions.
if 1: #len(self._productions) > 25:
listscroll = Scrollbar(self._prodframe, orient='vertical')
self._prodlist.config(yscrollcommand=listscroll.set)
listscroll.config(command=self._prodlist.yview)
listscroll.pack(side='left', fill='y')
# If they select a production, apply it.
self._prodlist.bind('<<ListboxSelect>>', self._prodlist_select)
# When they hover over a production, highlight it.
self._hover = -1
self._prodlist.bind('<Motion>', self._highlight_hover)
self._prodlist.bind('<Leave>', self._clear_hover)
def _init_bindings(self):
# Quit
self._top.bind('<Control-q>', self.destroy)
self._top.bind('<Control-x>', self.destroy)
self._top.bind('<Alt-q>', self.destroy)
self._top.bind('<Alt-x>', self.destroy)
# Ops (step, shift, reduce, undo)
self._top.bind('<space>', self.step)
self._top.bind('<s>', self.shift)
self._top.bind('<Alt-s>', self.shift)
self._top.bind('<Control-s>', self.shift)
self._top.bind('<r>', self.reduce)
self._top.bind('<Alt-r>', self.reduce)
self._top.bind('<Control-r>', self.reduce)
self._top.bind('<Delete>', self.reset)
self._top.bind('<u>', self.undo)
self._top.bind('<Alt-u>', self.undo)
self._top.bind('<Control-u>', self.undo)
self._top.bind('<Control-z>', self.undo)
self._top.bind('<BackSpace>', self.undo)
# Misc
self._top.bind('<Control-p>', self.postscript)
self._top.bind('<Control-h>', self.help)
self._top.bind('<F1>', self.help)
self._top.bind('<Control-g>', self.edit_grammar)
self._top.bind('<Control-t>', self.edit_sentence)
# Animation speed control
self._top.bind('-', lambda e, a=self._animate: a.set(20))
self._top.bind('=', lambda e, a=self._animate: a.set(10))
self._top.bind('+', lambda e, a=self._animate: a.set(4))
def _init_buttons(self, parent):
# Set up the frames.
self._buttonframe = buttonframe = Frame(parent)
buttonframe.pack(fill='none', side='bottom')
Button(
buttonframe,
text='Step',
background='#90c0d0',
foreground='black',
command=self.step,
).pack(side='left')
Button(buttonframe,
text='Shift',
underline=0,
background='#90f090',
foreground='black',
command=self.shift).pack(side='left')
Button(buttonframe,
text='Reduce',
underline=0,
background='#90f090',
foreground='black',
command=self.reduce).pack(side='left')
Button(buttonframe,
text='Undo',
underline=0,
background='#f0a0a0',
foreground='black',
command=self.undo).pack(side='left')
def _init_menubar(self, parent):
menubar = Menu(parent)
filemenu = Menu(menubar, tearoff=0)
filemenu.add_command(label='Reset Parser',
underline=0,
command=self.reset,
accelerator='Del')
filemenu.add_command(label='Print to Postscript',
underline=0,
command=self.postscript,
accelerator='Ctrl-p')
filemenu.add_command(label='Exit',
underline=1,
command=self.destroy,
accelerator='Ctrl-x')
menubar.add_cascade(label='File', underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
editmenu.add_command(label='Edit Grammar',
underline=5,
command=self.edit_grammar,
accelerator='Ctrl-g')
editmenu.add_command(label='Edit Text',
underline=5,
command=self.edit_sentence,
accelerator='Ctrl-t')
menubar.add_cascade(label='Edit', underline=0, menu=editmenu)
rulemenu = Menu(menubar, tearoff=0)
rulemenu.add_command(label='Step',
underline=1,
command=self.step,
accelerator='Space')
rulemenu.add_separator()
rulemenu.add_command(label='Shift',
underline=0,
command=self.shift,
accelerator='Ctrl-s')
rulemenu.add_command(label='Reduce',
underline=0,
command=self.reduce,
accelerator='Ctrl-r')
rulemenu.add_separator()
rulemenu.add_command(label='Undo',
underline=0,
command=self.undo,
accelerator='Ctrl-u')
menubar.add_cascade(label='Apply', underline=0, menu=rulemenu)
viewmenu = Menu(menubar, tearoff=0)
viewmenu.add_checkbutton(label="Show Grammar",
underline=0,
variable=self._show_grammar,
command=self._toggle_grammar)
viewmenu.add_separator()
viewmenu.add_radiobutton(label='Tiny',
variable=self._size,
underline=0,
value=10,
command=self.resize)
viewmenu.add_radiobutton(label='Small',
variable=self._size,
underline=0,
value=12,
command=self.resize)
viewmenu.add_radiobutton(label='Medium',
variable=self._size,
underline=0,
value=14,
command=self.resize)
viewmenu.add_radiobutton(label='Large',
variable=self._size,
underline=0,
value=18,
command=self.resize)
viewmenu.add_radiobutton(label='Huge',
variable=self._size,
underline=0,
value=24,
command=self.resize)
menubar.add_cascade(label='View', underline=0, menu=viewmenu)
animatemenu = Menu(menubar, tearoff=0)
animatemenu.add_radiobutton(label="No Animation",
underline=0,
variable=self._animate,
value=0)
animatemenu.add_radiobutton(label="Slow Animation",
underline=0,
variable=self._animate,
value=20,
accelerator='-')
animatemenu.add_radiobutton(label="Normal Animation",
underline=0,
variable=self._animate,
value=10,
accelerator='=')
animatemenu.add_radiobutton(label="Fast Animation",
underline=0,
variable=self._animate,
value=4,
accelerator='+')
menubar.add_cascade(label="Animate", underline=1, menu=animatemenu)
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label='About', underline=0, command=self.about)
helpmenu.add_command(label='Instructions',
underline=0,
command=self.help,
accelerator='F1')
menubar.add_cascade(label='Help', underline=0, menu=helpmenu)
parent.config(menu=menubar)
def _init_feedback(self, parent):
self._feedbackframe = feedbackframe = Frame(parent)
feedbackframe.pack(fill='x', side='bottom', padx=3, pady=3)
self._lastoper_label = Label(feedbackframe,
text='Last Operation:',
font=self._font)
self._lastoper_label.pack(side='left')
lastoperframe = Frame(feedbackframe, relief='sunken', border=1)
lastoperframe.pack(fill='x', side='right', expand=1, padx=5)
self._lastoper1 = Label(lastoperframe,
foreground='#007070',
background='#f0f0f0',
font=self._font)
self._lastoper2 = Label(lastoperframe,
anchor='w',
width=30,
foreground='#004040',
background='#f0f0f0',
font=self._font)
self._lastoper1.pack(side='left')
self._lastoper2.pack(side='left', fill='x', expand=1)
def _init_canvas(self, parent):
self._cframe = CanvasFrame(parent,
background='white',
width=525,
closeenough=10,
border=2,
relief='sunken')
self._cframe.pack(expand=1, fill='both', side='top', pady=2)
canvas = self._canvas = self._cframe.canvas()
self._stackwidgets = []
self._rtextwidgets = []
self._titlebar = canvas.create_rectangle(0,
0,
0,
0,
fill='#c0f0f0',
outline='black')
self._exprline = canvas.create_line(0, 0, 0, 0, dash='.')
self._stacktop = canvas.create_line(0, 0, 0, 0, fill='#408080')
size = self._size.get() + 4
self._stacklabel = TextWidget(canvas,
'Stack',
color='#004040',
font=self._boldfont)
self._rtextlabel = TextWidget(canvas,
'Remaining Text',
color='#004040',
font=self._boldfont)
self._cframe.add_widget(self._stacklabel)
self._cframe.add_widget(self._rtextlabel)
#########################################
## Main draw procedure
#########################################
def _redraw(self):
scrollregion = self._canvas['scrollregion'].split()
(cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion]
# Delete the old stack & rtext widgets.
for stackwidget in self._stackwidgets:
self._cframe.destroy_widget(stackwidget)
self._stackwidgets = []
for rtextwidget in self._rtextwidgets:
self._cframe.destroy_widget(rtextwidget)
self._rtextwidgets = []
# Position the titlebar & exprline
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4)
self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10)
# Position the titlebar labels..
(x1, y1, x2, y2) = self._stacklabel.bbox()
self._stacklabel.move(5 - x1, 3 - y1)
(x1, y1, x2, y2) = self._rtextlabel.bbox()
self._rtextlabel.move(cx2 - x2 - 5, 3 - y1)
# Draw the stack.
stackx = 5
for tok in self._parser.stack():
if isinstance(tok, Tree):
attribs = {
'tree_color': '#4080a0',
'tree_width': 2,
'node_font': self._boldfont,
'node_color': '#006060',
'leaf_color': '#006060',
'leaf_font': self._font
}
widget = tree_to_treesegment(self._canvas, tok, **attribs)
widget.node()['color'] = '#000000'
else:
widget = TextWidget(self._canvas,
tok,
color='#000000',
font=self._font)
widget.bind_click(self._popup_reduce)
self._stackwidgets.append(widget)
self._cframe.add_widget(widget, stackx, y)
stackx = widget.bbox()[2] + 10
# Draw the remaining text.
rtextwidth = 0
for tok in self._parser.remaining_text():
widget = TextWidget(self._canvas,
tok,
color='#000000',
font=self._font)
self._rtextwidgets.append(widget)
self._cframe.add_widget(widget, rtextwidth, y)
rtextwidth = widget.bbox()[2] + 4
# Allow enough room to shift the next token (for animations)
if len(self._rtextwidgets) > 0:
stackx += self._rtextwidgets[0].width()
# Move the remaining text to the correct location (keep it
# right-justified, when possible); and move the remaining text
# label, if necessary.
stackx = max(stackx, self._stacklabel.width() + 25)
rlabelwidth = self._rtextlabel.width() + 10
if stackx >= cx2 - max(rtextwidth, rlabelwidth):
cx2 = stackx + max(rtextwidth, rlabelwidth)
for rtextwidget in self._rtextwidgets:
rtextwidget.move(4 + cx2 - rtextwidth, 0)
self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0)
midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
(x1, y1, x2, y2) = self._stacklabel.bbox()
# Set up binding to allow them to shift a token by dragging it.
if len(self._rtextwidgets) > 0:
def drag_shift(widget, midx=midx, self=self):
if widget.bbox()[0] < midx: self.shift()
else: self._redraw()
self._rtextwidgets[0].bind_drag(drag_shift)
self._rtextwidgets[0].bind_click(self.shift)
# Draw the stack top.
self._highlight_productions()
def _draw_stack_top(self, widget):
# hack..
midx = widget.bbox()[2] + 50
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
def _highlight_productions(self):
# Highlight the productions that can be reduced.
self._prodlist.selection_clear(0, 'end')
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
#########################################
## Button Callbacks
#########################################
def destroy(self, *e):
if self._top is None: return
self._top.destroy()
self._top = None
def reset(self, *e):
self._parser.initialize(self._sent)
self._lastoper1['text'] = 'Reset App'
self._lastoper2['text'] = ''
self._redraw()
def step(self, *e):
if self.reduce(): return 1
elif self.shift(): return 1
else:
if len(self._parser.parses()) > 0:
self._lastoper1['text'] = 'Finished:'
self._lastoper2['text'] = 'Success'
else:
self._lastoper1['text'] = 'Finished:'
self._lastoper2['text'] = 'Failure'
def shift(self, *e):
if self._animating_lock: return
if self._parser.shift():
tok = self._parser.stack()[-1]
self._lastoper1['text'] = 'Shift:'
self._lastoper2['text'] = '%r' % tok
if self._animate.get():
self._animate_shift()
else:
self._redraw()
return 1
return 0
def reduce(self, *e):
if self._animating_lock: return
production = self._parser.reduce()
if production:
self._lastoper1['text'] = 'Reduce:'
self._lastoper2['text'] = '%s' % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
return production
def undo(self, *e):
if self._animating_lock: return
if self._parser.undo():
self._redraw()
def postscript(self, *e):
self._cframe.print_to_file()
def mainloop(self, *args, **kwargs):
"""
Enter the Tkinter mainloop. This function must be called if
this demo is created from a non-interactive program (e.g.
from a secript); otherwise, the demo will close as soon as
the script completes.
"""
if in_idle(): return
self._top.mainloop(*args, **kwargs)
#########################################
## Menubar callbacks
#########################################
def resize(self, size=None):
if size is not None: self._size.set(size)
size = self._size.get()
self._font.configure(size=-(abs(size)))
self._boldfont.configure(size=-(abs(size)))
self._sysfont.configure(size=-(abs(size)))
#self._stacklabel['font'] = ('helvetica', -size-4, 'bold')
#self._rtextlabel['font'] = ('helvetica', -size-4, 'bold')
#self._lastoper_label['font'] = ('helvetica', -size)
#self._lastoper1['font'] = ('helvetica', -size)
#self._lastoper2['font'] = ('helvetica', -size)
#self._prodlist['font'] = ('helvetica', -size)
#self._prodlist_label['font'] = ('helvetica', -size-2, 'bold')
self._redraw()
def help(self, *e):
# The default font's not very legible; try using 'fixed' instead.
try:
ShowText(self._top,
'Help: Shift-Reduce Parser Application', (__doc__
or '').strip(),
width=75,
font='fixed')
except:
ShowText(self._top,
'Help: Shift-Reduce Parser Application', (__doc__
or '').strip(),
width=75)
def about(self, *e):
ABOUT = ("NLTK Shift-Reduce Parser Application\n" +
"Written by Edward Loper")
TITLE = 'About: Shift-Reduce Parser Application'
try:
from tkMessageBox import Message
Message(message=ABOUT, title=TITLE).show()
except:
ShowText(self._top, TITLE, ABOUT)
def edit_grammar(self, *e):
CFGEditor(self._top, self._parser.grammar(), self.set_grammar)
def set_grammar(self, grammar):
self._parser.set_grammar(grammar)
self._productions = list(grammar.productions())
self._prodlist.delete(0, 'end')
for production in self._productions:
self._prodlist.insert('end', (' %s' % production))
def edit_sentence(self, *e):
sentence = string.join(self._sent)
title = 'Edit Text'
instr = 'Enter a new sentence to parse.'
EntryDialog(self._top, sentence, instr, self.set_sentence, title)
def set_sentence(self, sent):
self._sent = sent.split() #[XX] use tagged?
self.reset()
#########################################
## Reduce Production Selection
#########################################
def _toggle_grammar(self, *e):
if self._show_grammar.get():
self._prodframe.pack(fill='both',
side='left',
padx=2,
after=self._feedbackframe)
self._lastoper1['text'] = 'Show Grammar'
else:
self._prodframe.pack_forget()
self._lastoper1['text'] = 'Hide Grammar'
self._lastoper2['text'] = ''
def _prodlist_select(self, event):
selection = self._prodlist.curselection()
if len(selection) != 1: return
index = int(selection[0])
production = self._parser.reduce(self._productions[index])
if production:
self._lastoper1['text'] = 'Reduce:'
self._lastoper2['text'] = '%s' % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
else:
# Reset the production selections.
self._prodlist.selection_clear(0, 'end')
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
def _popup_reduce(self, widget):
# Remove old commands.
productions = self._parser.reducible_productions()
if len(productions) == 0: return
self._reduce_menu.delete(0, 'end')
for production in productions:
self._reduce_menu.add_command(label=str(production),
command=self.reduce)
self._reduce_menu.post(self._canvas.winfo_pointerx(),
self._canvas.winfo_pointery())
#########################################
## Animations
#########################################
def _animate_shift(self):
# What widget are we shifting?
widget = self._rtextwidgets[0]
# Where are we shifting from & to?
right = widget.bbox()[0]
if len(self._stackwidgets) == 0: left = 5
else: left = self._stackwidgets[-1].bbox()[2] + 10
# Start animating.
dt = self._animate.get()
dx = (left - right) * 1.0 / dt
self._animate_shift_frame(dt, widget, dx)
def _animate_shift_frame(self, frame, widget, dx):
if frame > 0:
self._animating_lock = 1
widget.move(dx, 0)
self._top.after(10, self._animate_shift_frame, frame - 1, widget,
dx)
else:
# but: stacktop??
# Shift the widget to the stack.
del self._rtextwidgets[0]
self._stackwidgets.append(widget)
self._animating_lock = 0
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
def _animate_reduce(self):
# What widgets are we shifting?
numwidgets = len(self._parser.stack()[-1]) # number of children
widgets = self._stackwidgets[-numwidgets:]
# How far are we moving?
if isinstance(widgets[0], TreeSegmentWidget):
ydist = 15 + widgets[0].node().height()
else:
ydist = 15 + widgets[0].height()
# Start animating.
dt = self._animate.get()
dy = ydist * 2.0 / dt
self._animate_reduce_frame(dt / 2, widgets, dy)
def _animate_reduce_frame(self, frame, widgets, dy):
if frame > 0:
self._animating_lock = 1
for widget in widgets:
widget.move(0, dy)
self._top.after(10, self._animate_reduce_frame, frame - 1, widgets,
dy)
else:
del self._stackwidgets[-len(widgets):]
for widget in widgets:
self._cframe.remove_widget(widget)
tok = self._parser.stack()[-1]
if not isinstance(tok, Tree): raise ValueError()
label = TextWidget(self._canvas,
str(tok.node),
color='#006060',
font=self._boldfont)
widget = TreeSegmentWidget(self._canvas, label, widgets, width=2)
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
if not self._stackwidgets: x = 5
else: x = self._stackwidgets[-1].bbox()[2] + 10
self._cframe.add_widget(widget, x, y)
self._stackwidgets.append(widget)
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
# # Delete the old widgets..
# del self._stackwidgets[-len(widgets):]
# for widget in widgets:
# self._cframe.destroy_widget(widget)
#
# # Make a new one.
# tok = self._parser.stack()[-1]
# if isinstance(tok, Tree):
# attribs = {'tree_color': '#4080a0', 'tree_width': 2,
# 'node_font': bold, 'node_color': '#006060',
# 'leaf_color': '#006060', 'leaf_font':self._font}
# widget = tree_to_treesegment(self._canvas, tok.type(),
# **attribs)
# widget.node()['color'] = '#000000'
# else:
# widget = TextWidget(self._canvas, tok.type(),
# color='#000000', font=self._font)
# widget.bind_click(self._popup_reduce)
# (x1, y1, x2, y2) = self._stacklabel.bbox()
# y = y2-y1+10
# if not self._stackwidgets: x = 5
# else: x = self._stackwidgets[-1].bbox()[2] + 10
# self._cframe.add_widget(widget, x, y)
# self._stackwidgets.append(widget)
#self._redraw()
self._animating_lock = 0
#########################################
## Hovering.
#########################################
def _highlight_hover(self, event):
# What production are we hovering over?
index = self._prodlist.nearest(event.y)
if self._hover == index: return
# Clear any previous hover highlighting.
self._clear_hover()
# If the production corresponds to an available reduction,
# highlight the stack.
selection = [int(s) for s in self._prodlist.curselection()]
if index in selection:
rhslen = len(self._productions[index].rhs())
for stackwidget in self._stackwidgets[-rhslen:]:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()['color'] = '#00a000'
else:
stackwidget['color'] = '#00a000'
# Remember what production we're hovering over.
self._hover = index
def _clear_hover(self, *event):
# Clear any previous hover highlighting.
if self._hover == -1: return
self._hover = -1
for stackwidget in self._stackwidgets:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()['color'] = 'black'
else:
stackwidget['color'] = 'black'
class ShiftReduceApp(object):
"""
A graphical tool for exploring the shift-reduce parser. The tool
displays the parser's stack and the remaining text, and allows the
user to control the parser's operation. In particular, the user
can shift tokens onto the stack, and can perform reductions on the
top elements of the stack. A "step" button simply steps through
the parsing process, performing the operations that
``nltk.parse.ShiftReduceParser`` would use.
"""
def __init__(self, grammar, sent, trace=0):
self._sent = sent
self._parser = SteppingShiftReduceParser(grammar, trace)
# Set up the main window.
self._top = Tk()
self._top.title("Shift Reduce Parser Application")
# Animations. animating_lock is a lock to prevent the demo
# from performing new operations while it's animating.
self._animating_lock = 0
self._animate = IntVar(self._top)
self._animate.set(10) # = medium
# The user can hide the grammar.
self._show_grammar = IntVar(self._top)
self._show_grammar.set(1)
# Initialize fonts.
self._init_fonts(self._top)
# Set up key bindings.
self._init_bindings()
# Create the basic frames.
self._init_menubar(self._top)
self._init_buttons(self._top)
self._init_feedback(self._top)
self._init_grammar(self._top)
self._init_canvas(self._top)
# A popup menu for reducing.
self._reduce_menu = Menu(self._canvas, tearoff=0)
# Reset the demo, and set the feedback frame to empty.
self.reset()
self._lastoper1["text"] = ""
#########################################
## Initialization Helpers
#########################################
def _init_fonts(self, root):
# See: <http://www.astro.washington.edu/owen/ROTKFolklore.html>
self._sysfont = tkFont.Font(font=Button()["font"])
root.option_add("*Font", self._sysfont)
# TWhat's our font size (default=same as sysfont)
self._size = IntVar(root)
self._size.set(self._sysfont.cget("size"))
self._boldfont = tkFont.Font(family="helvetica", weight="bold", size=self._size.get())
self._font = tkFont.Font(family="helvetica", size=self._size.get())
def _init_grammar(self, parent):
# Grammar view.
self._prodframe = listframe = Frame(parent)
self._prodframe.pack(fill="both", side="left", padx=2)
self._prodlist_label = Label(self._prodframe, font=self._boldfont, text="Available Reductions")
self._prodlist_label.pack()
self._prodlist = Listbox(
self._prodframe,
selectmode="single",
relief="groove",
background="white",
foreground="#909090",
font=self._font,
selectforeground="#004040",
selectbackground="#c0f0c0",
)
self._prodlist.pack(side="right", fill="both", expand=1)
self._productions = list(self._parser.grammar().productions())
for production in self._productions:
self._prodlist.insert("end", (" %s" % production))
self._prodlist.config(height=min(len(self._productions), 25))
# Add a scrollbar if there are more than 25 productions.
if 1: # len(self._productions) > 25:
listscroll = Scrollbar(self._prodframe, orient="vertical")
self._prodlist.config(yscrollcommand=listscroll.set)
listscroll.config(command=self._prodlist.yview)
listscroll.pack(side="left", fill="y")
# If they select a production, apply it.
self._prodlist.bind("<<ListboxSelect>>", self._prodlist_select)
# When they hover over a production, highlight it.
self._hover = -1
self._prodlist.bind("<Motion>", self._highlight_hover)
self._prodlist.bind("<Leave>", self._clear_hover)
def _init_bindings(self):
# Quit
self._top.bind("<Control-q>", self.destroy)
self._top.bind("<Control-x>", self.destroy)
self._top.bind("<Alt-q>", self.destroy)
self._top.bind("<Alt-x>", self.destroy)
# Ops (step, shift, reduce, undo)
self._top.bind("<space>", self.step)
self._top.bind("<s>", self.shift)
self._top.bind("<Alt-s>", self.shift)
self._top.bind("<Control-s>", self.shift)
self._top.bind("<r>", self.reduce)
self._top.bind("<Alt-r>", self.reduce)
self._top.bind("<Control-r>", self.reduce)
self._top.bind("<Delete>", self.reset)
self._top.bind("<u>", self.undo)
self._top.bind("<Alt-u>", self.undo)
self._top.bind("<Control-u>", self.undo)
self._top.bind("<Control-z>", self.undo)
self._top.bind("<BackSpace>", self.undo)
# Misc
self._top.bind("<Control-p>", self.postscript)
self._top.bind("<Control-h>", self.help)
self._top.bind("<F1>", self.help)
self._top.bind("<Control-g>", self.edit_grammar)
self._top.bind("<Control-t>", self.edit_sentence)
# Animation speed control
self._top.bind("-", lambda e, a=self._animate: a.set(20))
self._top.bind("=", lambda e, a=self._animate: a.set(10))
self._top.bind("+", lambda e, a=self._animate: a.set(4))
def _init_buttons(self, parent):
# Set up the frames.
self._buttonframe = buttonframe = Frame(parent)
buttonframe.pack(fill="none", side="bottom")
Button(buttonframe, text="Step", background="#90c0d0", foreground="black", command=self.step).pack(side="left")
Button(
buttonframe, text="Shift", underline=0, background="#90f090", foreground="black", command=self.shift
).pack(side="left")
Button(
buttonframe, text="Reduce", underline=0, background="#90f090", foreground="black", command=self.reduce
).pack(side="left")
Button(buttonframe, text="Undo", underline=0, background="#f0a0a0", foreground="black", command=self.undo).pack(
side="left"
)
def _init_menubar(self, parent):
menubar = Menu(parent)
filemenu = Menu(menubar, tearoff=0)
filemenu.add_command(label="Reset Parser", underline=0, command=self.reset, accelerator="Del")
filemenu.add_command(label="Print to Postscript", underline=0, command=self.postscript, accelerator="Ctrl-p")
filemenu.add_command(label="Exit", underline=1, command=self.destroy, accelerator="Ctrl-x")
menubar.add_cascade(label="File", underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
editmenu.add_command(label="Edit Grammar", underline=5, command=self.edit_grammar, accelerator="Ctrl-g")
editmenu.add_command(label="Edit Text", underline=5, command=self.edit_sentence, accelerator="Ctrl-t")
menubar.add_cascade(label="Edit", underline=0, menu=editmenu)
rulemenu = Menu(menubar, tearoff=0)
rulemenu.add_command(label="Step", underline=1, command=self.step, accelerator="Space")
rulemenu.add_separator()
rulemenu.add_command(label="Shift", underline=0, command=self.shift, accelerator="Ctrl-s")
rulemenu.add_command(label="Reduce", underline=0, command=self.reduce, accelerator="Ctrl-r")
rulemenu.add_separator()
rulemenu.add_command(label="Undo", underline=0, command=self.undo, accelerator="Ctrl-u")
menubar.add_cascade(label="Apply", underline=0, menu=rulemenu)
viewmenu = Menu(menubar, tearoff=0)
viewmenu.add_checkbutton(
label="Show Grammar", underline=0, variable=self._show_grammar, command=self._toggle_grammar
)
viewmenu.add_separator()
viewmenu.add_radiobutton(label="Tiny", variable=self._size, underline=0, value=10, command=self.resize)
viewmenu.add_radiobutton(label="Small", variable=self._size, underline=0, value=12, command=self.resize)
viewmenu.add_radiobutton(label="Medium", variable=self._size, underline=0, value=14, command=self.resize)
viewmenu.add_radiobutton(label="Large", variable=self._size, underline=0, value=18, command=self.resize)
viewmenu.add_radiobutton(label="Huge", variable=self._size, underline=0, value=24, command=self.resize)
menubar.add_cascade(label="View", underline=0, menu=viewmenu)
animatemenu = Menu(menubar, tearoff=0)
animatemenu.add_radiobutton(label="No Animation", underline=0, variable=self._animate, value=0)
animatemenu.add_radiobutton(
label="Slow Animation", underline=0, variable=self._animate, value=20, accelerator="-"
)
animatemenu.add_radiobutton(
label="Normal Animation", underline=0, variable=self._animate, value=10, accelerator="="
)
animatemenu.add_radiobutton(
label="Fast Animation", underline=0, variable=self._animate, value=4, accelerator="+"
)
menubar.add_cascade(label="Animate", underline=1, menu=animatemenu)
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label="About", underline=0, command=self.about)
helpmenu.add_command(label="Instructions", underline=0, command=self.help, accelerator="F1")
menubar.add_cascade(label="Help", underline=0, menu=helpmenu)
parent.config(menu=menubar)
def _init_feedback(self, parent):
self._feedbackframe = feedbackframe = Frame(parent)
feedbackframe.pack(fill="x", side="bottom", padx=3, pady=3)
self._lastoper_label = Label(feedbackframe, text="Last Operation:", font=self._font)
self._lastoper_label.pack(side="left")
lastoperframe = Frame(feedbackframe, relief="sunken", border=1)
lastoperframe.pack(fill="x", side="right", expand=1, padx=5)
self._lastoper1 = Label(lastoperframe, foreground="#007070", background="#f0f0f0", font=self._font)
self._lastoper2 = Label(
lastoperframe, anchor="w", width=30, foreground="#004040", background="#f0f0f0", font=self._font
)
self._lastoper1.pack(side="left")
self._lastoper2.pack(side="left", fill="x", expand=1)
def _init_canvas(self, parent):
self._cframe = CanvasFrame(parent, background="white", width=525, closeenough=10, border=2, relief="sunken")
self._cframe.pack(expand=1, fill="both", side="top", pady=2)
canvas = self._canvas = self._cframe.canvas()
self._stackwidgets = []
self._rtextwidgets = []
self._titlebar = canvas.create_rectangle(0, 0, 0, 0, fill="#c0f0f0", outline="black")
self._exprline = canvas.create_line(0, 0, 0, 0, dash=".")
self._stacktop = canvas.create_line(0, 0, 0, 0, fill="#408080")
size = self._size.get() + 4
self._stacklabel = TextWidget(canvas, "Stack", color="#004040", font=self._boldfont)
self._rtextlabel = TextWidget(canvas, "Remaining Text", color="#004040", font=self._boldfont)
self._cframe.add_widget(self._stacklabel)
self._cframe.add_widget(self._rtextlabel)
#########################################
## Main draw procedure
#########################################
def _redraw(self):
scrollregion = self._canvas["scrollregion"].split()
(cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion]
# Delete the old stack & rtext widgets.
for stackwidget in self._stackwidgets:
self._cframe.destroy_widget(stackwidget)
self._stackwidgets = []
for rtextwidget in self._rtextwidgets:
self._cframe.destroy_widget(rtextwidget)
self._rtextwidgets = []
# Position the titlebar & exprline
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4)
self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10)
# Position the titlebar labels..
(x1, y1, x2, y2) = self._stacklabel.bbox()
self._stacklabel.move(5 - x1, 3 - y1)
(x1, y1, x2, y2) = self._rtextlabel.bbox()
self._rtextlabel.move(cx2 - x2 - 5, 3 - y1)
# Draw the stack.
stackx = 5
for tok in self._parser.stack():
if isinstance(tok, Tree):
attribs = {
"tree_color": "#4080a0",
"tree_width": 2,
"node_font": self._boldfont,
"node_color": "#006060",
"leaf_color": "#006060",
"leaf_font": self._font,
}
widget = tree_to_treesegment(self._canvas, tok, **attribs)
widget.node()["color"] = "#000000"
else:
widget = TextWidget(self._canvas, tok, color="#000000", font=self._font)
widget.bind_click(self._popup_reduce)
self._stackwidgets.append(widget)
self._cframe.add_widget(widget, stackx, y)
stackx = widget.bbox()[2] + 10
# Draw the remaining text.
rtextwidth = 0
for tok in self._parser.remaining_text():
widget = TextWidget(self._canvas, tok, color="#000000", font=self._font)
self._rtextwidgets.append(widget)
self._cframe.add_widget(widget, rtextwidth, y)
rtextwidth = widget.bbox()[2] + 4
# Allow enough room to shift the next token (for animations)
if len(self._rtextwidgets) > 0:
stackx += self._rtextwidgets[0].width()
# Move the remaining text to the correct location (keep it
# right-justified, when possible); and move the remaining text
# label, if necessary.
stackx = max(stackx, self._stacklabel.width() + 25)
rlabelwidth = self._rtextlabel.width() + 10
if stackx >= cx2 - max(rtextwidth, rlabelwidth):
cx2 = stackx + max(rtextwidth, rlabelwidth)
for rtextwidget in self._rtextwidgets:
rtextwidget.move(4 + cx2 - rtextwidth, 0)
self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0)
midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
(x1, y1, x2, y2) = self._stacklabel.bbox()
# Set up binding to allow them to shift a token by dragging it.
if len(self._rtextwidgets) > 0:
def drag_shift(widget, midx=midx, self=self):
if widget.bbox()[0] < midx:
self.shift()
else:
self._redraw()
self._rtextwidgets[0].bind_drag(drag_shift)
self._rtextwidgets[0].bind_click(self.shift)
# Draw the stack top.
self._highlight_productions()
def _draw_stack_top(self, widget):
# hack..
midx = widget.bbox()[2] + 50
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
def _highlight_productions(self):
# Highlight the productions that can be reduced.
self._prodlist.selection_clear(0, "end")
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
#########################################
## Button Callbacks
#########################################
def destroy(self, *e):
if self._top is None:
return
self._top.destroy()
self._top = None
def reset(self, *e):
self._parser.initialize(self._sent)
self._lastoper1["text"] = "Reset App"
self._lastoper2["text"] = ""
self._redraw()
def step(self, *e):
if self.reduce():
return 1
elif self.shift():
return 1
else:
if len(self._parser.parses()) > 0:
self._lastoper1["text"] = "Finished:"
self._lastoper2["text"] = "Success"
else:
self._lastoper1["text"] = "Finished:"
self._lastoper2["text"] = "Failure"
def shift(self, *e):
if self._animating_lock:
return
if self._parser.shift():
tok = self._parser.stack()[-1]
self._lastoper1["text"] = "Shift:"
self._lastoper2["text"] = "%r" % tok
if self._animate.get():
self._animate_shift()
else:
self._redraw()
return 1
return 0
def reduce(self, *e):
if self._animating_lock:
return
production = self._parser.reduce()
if production:
self._lastoper1["text"] = "Reduce:"
self._lastoper2["text"] = "%s" % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
return production
def undo(self, *e):
if self._animating_lock:
return
if self._parser.undo():
self._redraw()
def postscript(self, *e):
self._cframe.print_to_file()
def mainloop(self, *args, **kwargs):
"""
Enter the Tkinter mainloop. This function must be called if
this demo is created from a non-interactive program (e.g.
from a secript); otherwise, the demo will close as soon as
the script completes.
"""
if in_idle():
return
self._top.mainloop(*args, **kwargs)
#########################################
## Menubar callbacks
#########################################
def resize(self, size=None):
if size is not None:
self._size.set(size)
size = self._size.get()
self._font.configure(size=-(abs(size)))
self._boldfont.configure(size=-(abs(size)))
self._sysfont.configure(size=-(abs(size)))
# self._stacklabel['font'] = ('helvetica', -size-4, 'bold')
# self._rtextlabel['font'] = ('helvetica', -size-4, 'bold')
# self._lastoper_label['font'] = ('helvetica', -size)
# self._lastoper1['font'] = ('helvetica', -size)
# self._lastoper2['font'] = ('helvetica', -size)
# self._prodlist['font'] = ('helvetica', -size)
# self._prodlist_label['font'] = ('helvetica', -size-2, 'bold')
self._redraw()
def help(self, *e):
# The default font's not very legible; try using 'fixed' instead.
try:
ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75, font="fixed")
except:
ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75)
def about(self, *e):
ABOUT = "NLTK Shift-Reduce Parser Application\n" + "Written by Edward Loper"
TITLE = "About: Shift-Reduce Parser Application"
try:
from tkMessageBox import Message
Message(message=ABOUT, title=TITLE).show()
except:
ShowText(self._top, TITLE, ABOUT)
def edit_grammar(self, *e):
CFGEditor(self._top, self._parser.grammar(), self.set_grammar)
def set_grammar(self, grammar):
self._parser.set_grammar(grammar)
self._productions = list(grammar.productions())
self._prodlist.delete(0, "end")
for production in self._productions:
self._prodlist.insert("end", (" %s" % production))
def edit_sentence(self, *e):
sentence = string.join(self._sent)
title = "Edit Text"
instr = "Enter a new sentence to parse."
EntryDialog(self._top, sentence, instr, self.set_sentence, title)
def set_sentence(self, sent):
self._sent = sent.split() # [XX] use tagged?
self.reset()
#########################################
## Reduce Production Selection
#########################################
def _toggle_grammar(self, *e):
if self._show_grammar.get():
self._prodframe.pack(fill="both", side="left", padx=2, after=self._feedbackframe)
self._lastoper1["text"] = "Show Grammar"
else:
self._prodframe.pack_forget()
self._lastoper1["text"] = "Hide Grammar"
self._lastoper2["text"] = ""
def _prodlist_select(self, event):
selection = self._prodlist.curselection()
if len(selection) != 1:
return
index = int(selection[0])
production = self._parser.reduce(self._productions[index])
if production:
self._lastoper1["text"] = "Reduce:"
self._lastoper2["text"] = "%s" % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
else:
# Reset the production selections.
self._prodlist.selection_clear(0, "end")
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
def _popup_reduce(self, widget):
# Remove old commands.
productions = self._parser.reducible_productions()
if len(productions) == 0:
return
self._reduce_menu.delete(0, "end")
for production in productions:
self._reduce_menu.add_command(label=str(production), command=self.reduce)
self._reduce_menu.post(self._canvas.winfo_pointerx(), self._canvas.winfo_pointery())
#########################################
## Animations
#########################################
def _animate_shift(self):
# What widget are we shifting?
widget = self._rtextwidgets[0]
# Where are we shifting from & to?
right = widget.bbox()[0]
if len(self._stackwidgets) == 0:
left = 5
else:
left = self._stackwidgets[-1].bbox()[2] + 10
# Start animating.
dt = self._animate.get()
dx = (left - right) * 1.0 / dt
self._animate_shift_frame(dt, widget, dx)
def _animate_shift_frame(self, frame, widget, dx):
if frame > 0:
self._animating_lock = 1
widget.move(dx, 0)
self._top.after(10, self._animate_shift_frame, frame - 1, widget, dx)
else:
# but: stacktop??
# Shift the widget to the stack.
del self._rtextwidgets[0]
self._stackwidgets.append(widget)
self._animating_lock = 0
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
def _animate_reduce(self):
# What widgets are we shifting?
numwidgets = len(self._parser.stack()[-1]) # number of children
widgets = self._stackwidgets[-numwidgets:]
# How far are we moving?
if isinstance(widgets[0], TreeSegmentWidget):
ydist = 15 + widgets[0].node().height()
else:
ydist = 15 + widgets[0].height()
# Start animating.
dt = self._animate.get()
dy = ydist * 2.0 / dt
self._animate_reduce_frame(dt / 2, widgets, dy)
def _animate_reduce_frame(self, frame, widgets, dy):
if frame > 0:
self._animating_lock = 1
for widget in widgets:
widget.move(0, dy)
self._top.after(10, self._animate_reduce_frame, frame - 1, widgets, dy)
else:
del self._stackwidgets[-len(widgets) :]
for widget in widgets:
self._cframe.remove_widget(widget)
tok = self._parser.stack()[-1]
if not isinstance(tok, Tree):
raise ValueError()
label = TextWidget(self._canvas, str(tok.node), color="#006060", font=self._boldfont)
widget = TreeSegmentWidget(self._canvas, label, widgets, width=2)
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
if not self._stackwidgets:
x = 5
else:
x = self._stackwidgets[-1].bbox()[2] + 10
self._cframe.add_widget(widget, x, y)
self._stackwidgets.append(widget)
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
# # Delete the old widgets..
# del self._stackwidgets[-len(widgets):]
# for widget in widgets:
# self._cframe.destroy_widget(widget)
#
# # Make a new one.
# tok = self._parser.stack()[-1]
# if isinstance(tok, Tree):
# attribs = {'tree_color': '#4080a0', 'tree_width': 2,
# 'node_font': bold, 'node_color': '#006060',
# 'leaf_color': '#006060', 'leaf_font':self._font}
# widget = tree_to_treesegment(self._canvas, tok.type(),
# **attribs)
# widget.node()['color'] = '#000000'
# else:
# widget = TextWidget(self._canvas, tok.type(),
# color='#000000', font=self._font)
# widget.bind_click(self._popup_reduce)
# (x1, y1, x2, y2) = self._stacklabel.bbox()
# y = y2-y1+10
# if not self._stackwidgets: x = 5
# else: x = self._stackwidgets[-1].bbox()[2] + 10
# self._cframe.add_widget(widget, x, y)
# self._stackwidgets.append(widget)
# self._redraw()
self._animating_lock = 0
#########################################
## Hovering.
#########################################
def _highlight_hover(self, event):
# What production are we hovering over?
index = self._prodlist.nearest(event.y)
if self._hover == index:
return
# Clear any previous hover highlighting.
self._clear_hover()
# If the production corresponds to an available reduction,
# highlight the stack.
selection = [int(s) for s in self._prodlist.curselection()]
if index in selection:
rhslen = len(self._productions[index].rhs())
for stackwidget in self._stackwidgets[-rhslen:]:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()["color"] = "#00a000"
else:
stackwidget["color"] = "#00a000"
# Remember what production we're hovering over.
self._hover = index
def _clear_hover(self, *event):
# Clear any previous hover highlighting.
if self._hover == -1:
return
self._hover = -1
for stackwidget in self._stackwidgets:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()["color"] = "black"
else:
stackwidget["color"] = "black"
class Gamelist():
def __init__(self, drive, platform):
GameListData.game_list_data_json = GameListData().get_game_list()
self.json_game_list_data = GameListData.game_list_data_json
if drive == 'USB(*)':
self.drive_to_show = '/dev_' + drive.lower().replace('(*)', '')
else:
self.drive_to_show = '/dev_' + drive.lower() + '/'
self.platform_to_show = platform + '_games'
self.WCM_BASE_PATH = AppPaths.wcm_gui
self.last_selection = (None, 0)
self.list_of_items = []
self.selected_title_id = None
self.selected_title = None
self.selected_path = None
self.selected_filename = None
self.drive_system_path_array = None
self.is_cleared = False
def create_main_frame(self, entry_field_title_id, entry_field_title, entry_field_filename, entry_field_iso_path, entry_field_platform, drive_system_array):
self.entry_field_title_id = entry_field_title_id
self.entry_field_title = entry_field_title
self.entry_field_filename = entry_field_filename
self.entry_field_iso_path = entry_field_iso_path
self.entry_field_platform = entry_field_platform
self.drive_system_path_array = drive_system_array
self.corrected_index = []
self.main_frame = Frame()
self.popup_menu = Menu(self.main_frame, tearoff=0)
self.popup_menu.add_command(label="Delete",
command=self.delete_selected)
self.popup_menu.add_command(label="Rename",
command=self.rename_selected)
# self.popup_menu.add_command(label="Refetch",
# command=self.refetch)
# self.popup_menu.add_command(label="Select All",
# command=self.select_all)
s = Scrollbar(self.main_frame)
self._listbox = Listbox(self.main_frame, width=465)
self._listbox.bind('<Enter>', self._bound_to_mousewheel)
self._listbox.bind('<Leave>', self._unbound_to_mousewheel)
self._listbox.bind("<Button-3>", self.popup) # Button-2 on Aqua
s.pack(side=RIGHT, fill=Y)
self._listbox.pack(side=LEFT, fill=Y)
s['command'] = self._listbox.yview
self._listbox['yscrollcommand'] = s.set
# default filters
if 'ALL_games' == self.platform_to_show:
# iterate all platforms
for platform in self.json_game_list_data:
for list_game in self.json_game_list_data[platform]:
# titles in the list has been designed to be unique
if '/dev_all/' == self.drive_to_show or self.drive_to_show in list_game['path']:
self.add_item(list_game['title'])
else:
for list_game in self.json_game_list_data[self.platform_to_show]:
if '/dev_all/' == self.drive_to_show or self.drive_to_show in list_game['path']:
self.add_item(list_game['title'])
for x in range(19 - self._listbox.size()):
self.add_item('')
# adding shade to every other row of the list
for x in range(0, self._listbox.size()):
if x % 2 == 0:
self._listbox.itemconfig(x, {'fg': 'white'}, background='#001738')
else:
self._listbox.itemconfig(x, {'fg': 'white'}, background='#001F4C')
self.label = Label(self.main_frame)
self.selection_poller()
return self.main_frame
def selection_poller(self):
self.label.after(200, self.selection_poller)
self.new_selection = self._listbox.curselection()
# cursor har been initiated
if self._listbox.curselection() is not ():
if self.new_selection[0] is not self.last_selection[0] or self.is_cleared:
self.entry_fields_update(self.new_selection)
self.is_cleared = False
self.last_selection = self.new_selection
def entry_fields_update(self, new_selection):
for platform in self.json_game_list_data:
for list_game in self.json_game_list_data[platform]:
self.selected_title = self._listbox.get(new_selection[0])
tmp_title = list_game['title']
match = self.selected_title == str(tmp_title)
if match:
self.selected_title_id = str(list_game['title_id']).replace('-', '')
self.selected_title = str(list_game['title'])
self.selected_path = str(list_game['path'])
self.selected_filename = str(list_game['filename'])
self.selected_platform = str(list_game['platform'])
# parse drive and system from json data
path_array = filter(None, self.selected_path.split('/'))
self.drive_system_path_array[0] = path_array[0]
self.drive_system_path_array[1] = path_array[1]
self.drive_system_path_array[2] = '/'.join(path_array[2:len(path_array)]).replace('//', '')
self.entry_field_title_id.delete(0, len(self.entry_field_title_id.get())-1)
self.entry_field_title_id.delete(0, END)
self.entry_field_title_id.insert(0, self.selected_title_id)
self.entry_field_title.delete(0, END)
self.entry_field_title.insert(0, self.selected_title)
self.entry_field_filename.delete(0, END)
self.entry_field_filename.insert(0, self.selected_filename)
self.entry_field_platform.delete(0, END)
self.entry_field_platform.insert(0, self.selected_platform)
return True
def get_selected_path(self):
return self.current_iso_path
def get_listbox(self):
return self._listbox
def get_ascending_index(self, list_of_items, item, ignore_case=True):
lo = 0
hi = len(list_of_items)
if ignore_case:
item = item.lower()
while lo < hi:
mid = (lo + hi) // 2
if item < list_of_items[mid].lower():
hi = mid
else:
lo = mid + 1
else:
while lo < hi:
mid = (lo + hi) // 2
if item < list_of_items[mid]:
hi = mid
else:
lo = mid + 1
return lo
def add_item(self, item):
if item != '':
self.list_of_items = self._listbox.get(0, END)
# getting ascending index in order to sort alphabetically
index = self.get_ascending_index(self.list_of_items, item)
self._listbox.insert(index, item)
else:
self._listbox.insert(END, item)
def get_items(self):
return self.list_of_items
def _bound_to_mousewheel(self, event):
self._listbox.bind_all("<MouseWheel>", self._on_mousewheel)
def _unbound_to_mousewheel(self, event):
self._listbox.unbind_all("<MouseWheel>")
def _on_mousewheel(self, event):
self._listbox.yview_scroll(int(-1*(event.delta/30)), "units")
def popup(self, event):
try:
self._listbox.selection_clear(0, END)
self._listbox.selection_set(self._listbox.nearest(event.y))
self._listbox.activate(self._listbox.nearest(event.y))
finally:
if self._listbox.get(self._listbox.curselection()[0]) is not '':
self.popup_menu.tk_popup(event.x_root + 43, event.y_root + 12, 0)
self.popup_menu.grab_release()
self.popup_menu.focus_set()
def delete_selected(self):
import tkMessageBox
game_folder_path = os.path.join(AppPaths.game_work_dir, '..')
response = tkMessageBox.askyesno('Delete game folder', 'Delete \'' + self.entry_field_title.get() + '\'?\n\nFolder path: ' + os.path.realpath(game_folder_path))
# yes
if response:
# remove game from visual game list
for i in self._listbox.curselection()[::-1]:
self._listbox.delete(i)
removed_index = i
# remove game from json game list
platform_key = self.entry_field_platform.get() + '_games'
self.json_game_list_data[platform_key] = [x for x in self.json_game_list_data[platform_key] if x['title'] != self.selected_title]
# update the json game list file
with open(GameListData.GAME_LIST_DATA_PATH, 'w') as newFile:
json_text = json.dumps(self.json_game_list_data, indent=4, separators=(",", ":"))
newFile.write(json_text)
# remove the game build folder too
if AppPaths.game_work_dir != os.path.join(AppPaths.wcm_gui, 'work_dir'):
if os.path.isdir(game_folder_path):
if 'webman-classics-maker' in game_folder_path:
shutil.rmtree(game_folder_path)
# clear entry_fields
self.clear_entries_and_path()
# set cursor
self._listbox.select_set(removed_index) #This only sets focus on the first item.
def rename_selected(self):
self.entry_field_title.selection_range(0, END)
self.entry_field_title.focus_set()
def select_all(self):
self._listbox.selection_set(0, 'end')
def clear_entries_and_path(self):
self.entry_field_title_id.delete(0, len(self.entry_field_title_id.get())-1)
self.entry_field_title_id.delete(0, END)
self.entry_field_title.delete(0, END)
self.entry_field_platform.delete(0, END)
self.entry_field_filename.delete(0, END)
self.is_cleared = True
def get_selected_build_dir_path(self):
self.build_dir_path = ''
if self.selected_filename not in {'', None}:
filename = self.selected_filename
title_id = self.selected_title_id.replace('-', '')
build_base_path = AppPaths.builds
tmp_filename = filename
# removes the file extension from tmp_filename
for file_ext in GlobalVar.file_extensions:
if filename.upper().endswith(file_ext):
tmp_filename = filename[0:len(filename)-len(file_ext)]
break
game_folder_name = tmp_filename.replace(' ', '_') + '_(' + title_id.replace('-', '') + ')'
self.build_dir_path = os.path.join(build_base_path, game_folder_name)
return self.build_dir_path
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 = Queue.Queue()
self.msgs = []
self.visible_msgs = []
self.filenames = []
self.rating = StringVar()
self.tabs = {}
self.report_stream = BasicStream(self)
self.differ = differ.Differ()
#gui objects
self.lbMessages = 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"""
#setting up frames
top_frame = Frame(self.root)
mid_frame = Frame(self.root)
radio_frame = Frame(self.root)
res_frame = Frame(self.root)
msg_frame = Frame(self.root)
check_frame = Frame(self.root)
history_frame = Frame(self.root)
btn_frame = Frame(self.root)
rating_frame = Frame(self.root)
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=BOTH, expand=True)
rating_frame.pack(side=TOP, fill=BOTH, expand=True)
res_frame.pack(side=TOP, fill=BOTH, expand=True)
check_frame.pack(side=TOP, fill=BOTH, expand=True)
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.lbMessages = Listbox(msg_frame,
yscrollcommand=rightscrollbar.set,
xscrollcommand=bottomscrollbar.set,
bg="white")
self.lbMessages.bind("<Double-Button-1>", self.show_sourcefile)
self.lbMessages.pack(expand=True, fill=BOTH)
rightscrollbar.config(command=self.lbMessages.yview)
bottomscrollbar.config(command=self.lbMessages.xview)
#Message context menu
self.mnMessages = Menu(self.lbMessages, tearoff=0)
self.mnMessages.add_command(label="View in sourcefile",
command=self.show_sourcefile)
self.mnMessages.add_command(label="Add to ignore patchfile",
command=self.add_to_ignore_patchfile)
self.lbMessages.bind("<Button-3>", self.show_messages_context)
#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)
#labels
self.lblRatingLabel = Label(rating_frame, text='Rating:')
self.lblRatingLabel.pack(side=LEFT)
self.lblRating = Label(rating_frame, textvariable=self.rating)
self.lblRating.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.txtModule = Entry(top_frame, background='white')
self.txtModule.bind('<Return>', self.run_lint)
self.txtModule.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)
rawMet = 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)
msgCat = 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)
sourceFile = 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)
rawMet.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)
msgCat.grid(column=1, row=1, sticky=W)
ext.grid(column=2, row=1, sticky=W)
sourceFile.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.txtModule.focus_set()
def select_recent_file(self, event):
"""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.txtModule.delete(0, END)
self.txtModule.insert(0, item)
def refresh_msg_window(self):
"""refresh the message window with current output"""
#clear the window
self.lbMessages.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.lbMessages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lbMessages.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:
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.lbMessages.insert(END, msg_str)
fg_color = COLORS.get(msg_str[:3], 'black')
self.lbMessages.itemconfigure(END, fg=fg_color)
except 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):
"""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.txtModule.delete(0, END)
self.txtModule.insert(0, filename)
def update_filenames(self):
"""update the list of recent filenames"""
filename = self.txtModule.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.txtModule.get()
if not module:
module = os.getcwd()
#cleaning up msgs and windows
self.msgs = []
self.visible_msgs = []
self.lbMessages.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):
selected = self.lbMessages.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.abspath, "r").readlines()
self.box.set("Source File")
self.refresh_results_window()
self.results.yview(scroll)
self.results.select_set(msg.line - 1)
def show_messages_context(self, event):
"""Show the message listbox's context menu"""
# Select the item that was clicked
index = self.lbMessages.nearest(event.y)
self.lbMessages.selection_clear(0, END);
self.lbMessages.selection_set(index)
self.lbMessages.activate(index)
self.mnMessages.tk_popup(event.x_root, event.y_root)
def add_to_ignore_patchfile(self, event=None):
"""
Add the selected message to the ignore patchfile.
This means that this message will now be ignored by pylint-patcher.
"""
selected = self.lbMessages.curselection()
if not selected:
return
selected_index = int(selected[0])
msg = self.visible_msgs[selected_index]
self.differ.add_disable_pragma(msg.abspath, msg.line, msg.symbol)
self.differ.diff()
del self.msgs[self.msgs.index(msg)]
del self.visible_msgs[selected_index]
self.lbMessages.delete(selected_index)
