Python CanvasFrame.canvas方法代码示例

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def quicktree(sentence):
    """Parse a sentence and return a visual representation in IPython"""
    import os
    from nltk import Tree
    from nltk.draw.util import CanvasFrame
    from nltk.draw import TreeWidget
    from stat_parser import Parser
    try:
        from IPython.display import display
        from IPython.display import Image
    except:
        pass
    try:
        get_ipython().getoutput()
    except TypeError:
        have_ipython = True
    except NameError:
        import subprocess
        have_ipython = False
    parser = Parser()
    parsed = parser.parse(sentence)
    cf = CanvasFrame()
    tc = TreeWidget(cf.canvas(),parsed)
    cf.add_widget(tc,10,10) # (10,10) offsets
    cf.print_to_file('tree.ps')
    cf.destroy()
    if have_ipython:
        tregex_command = 'convert tree.ps tree.png'
        result = get_ipython().getoutput(tregex_command)
    else:
        tregex_command = ["convert", "tree.ps", "tree.png"]
        result = subprocess.check_output(tregex_command)    
    os.remove("tree.ps")
    return Image(filename='tree.png')
    os.remove("tree.png")

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def tree_to_ps(s, outfile):
    global _canvas_frame
    if _canvas_frame is None:
        _canvas_frame = CanvasFrame()

    # May throw ValueError:
    widget = tree_to_widget(s, _canvas_frame.canvas())

    _canvas_frame.canvas()['scrollregion'] = (0, 0, 1, 1)
    _canvas_frame.add_widget(widget)
    _canvas_frame.print_to_file(outfile)
    bbox = widget.bbox()
    _canvas_frame.destroy_widget(widget)

    ## Testing..
    #for (key, val) in metrics.items():
    #    print key, '\n  ', val
    
    return bbox[2:]

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def drawrst(strtree, fname):
    """ Draw RST tree into a file
    """
    if not fname.endswith(".ps"):
        fname += ".ps"
    cf = CanvasFrame()
    t = Tree.fromstring(strtree)
    tc = TreeWidget(cf.canvas(), t)
    cf.add_widget(tc,10,10) # (10,10) offsets
    cf.print_to_file(fname)
    cf.destroy()

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def draw_tree(tree_string):
    raise NotImplementedError()

    from nltk import Tree
    from nltk.draw.util import CanvasFrame
    from nltk.draw import TreeWidget

    cf = CanvasFrame()
    tree = Tree.fromstring(tree_string.replace('[','(').replace(']',')') )
    cf.add_widget(TreeWidget(cf.canvas(), tree), 10, 10)
    cf.print_to_file('tree.ps')
    cf.destroy

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
    def to_ps(self, filename):
        """Export as a PostScript image.

        This function is used by `_repr_png_`.
        """
        _canvas_frame = CanvasFrame()
        # WIP customization of visual appearance
        # NB: conda-provided python and tk cannot access most fonts on the
        # system, thus it currently falls back on the default font
        widget = tree_to_treesegment(_canvas_frame.canvas(), self,
                                     tree_yspace=35,
                                     node_font=('Verdana', -18, 'bold'),
                                     leaf_font=('Verdana', -18))
        _canvas_frame.add_widget(widget)
        x, y, w, h = widget.bbox()
        # print_to_file uses scrollregion to set the width and height of the
        # pdf
        _canvas_frame.canvas()['scrollregion'] = (0, 0, w, h)
        # print to file
        _canvas_frame.print_to_file(filename)
        _canvas_frame.destroy_widget(widget)

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def display_tree(tree):
    if nltk_is_available:
        count = 0
        for t in tree:
            cf = CanvasFrame()
            tc = TreeWidget(cf.canvas(), t)
            cf.add_widget(tc, 10, 10)
            count += 1
            fileName = "tree" + repr(count) + ".ps"
            cf.print_to_file(fileName)
            cf.destroy()
    else:
        count = 0
        for t in tree:
            count += 1
            fileName = "tree" + repr(count) + ".txt"
            pprint.pprint(t, fileName)

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def main(args):
    """
    Subcommand main.

    You shouldn't need to call this yourself if you're using
    `config_argparser`
    """
    corpus = read_corpus(args)
    odir = get_output_dir(args)
    for key in corpus:
        cframe = CanvasFrame()
        widget = TreeWidget(cframe.canvas(), corpus[key])
        cframe.add_widget(widget, 10, 10)
        ofilename = fp.join(odir, key.doc) + '.ps'
        cframe.print_to_file(ofilename)
        cframe.destroy()
    announce_output_dir(odir)

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
	def execute(self, frase):

		os.environ['STANFORD_PARSER'] = 'nltk/stanford-parser.jar'
		os.environ['STANFORD_MODELS'] = 'nltk/stanford-parser-3.5.2-models.jar'

		parser = stanford.StanfordParser(model_path="nltk/englishPCFG.ser.gz")
		sentence = parser.raw_parse(frase)
		print sentence

		# GUI
		for line in sentence:
			cf = CanvasFrame()
			tc = TreeWidget(cf.canvas(),line)
			cf.add_widget(tc,40,40) # (10,10) offsets
			cf.print_to_file('tree_stanford.ps')
			#cf.destroy()
			os.popen('convert tree_stanford.ps -resize 300% static/img/tree_stanford.png')

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
	def tagger(self, frase):
		#hacer el tag
		text = nltk.word_tokenize(frase)
		postag = nltk.pos_tag(text)

		#convertirlo al formato lips
		result = "("
		
		for index in range(len(postag)):
			result +=  "( " + postag[index][0] + " ( " + postag[index][1]+ " ) )"

		result += ")"

		#ejecutar bikel

		#pasar resultado a archivo
		#hoy = str(datetime.date.today())

		f = open('prueba', 'w')
		f.write(result)
		f.close()
		
		#consola = os.popen('tcsh ../dbparser/bin/parse 400 ../dbparser/settings/collins.properties ../wsj-02-21.obj.gz prueba')

		args = shlex.split("tcsh ../dbparser/bin/parse 400 ../dbparser/settings/collins.properties ../wsj-02-21.obj.gz prueba")
		print args

		p = subprocess.Popen(args,stderr=subprocess.STDOUT)
		p.wait()

		f2 = open('prueba.parsed', 'r')
		resultado = f2.read()

		t = Tree.fromstring(resultado)

		cf = CanvasFrame()
		tc = TreeWidget(cf.canvas(),t)
		cf.add_widget(tc,40,40) # (10,10) offsets
		cf.print_to_file('tree_bikel.ps')
		#cf.destroy()
		os.popen('convert tree_bikel.ps -resize 300% static/img/tree_bikel.png')
		

		return resultado

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
class TreeView:
    def __init__(self, trees, root=None):
        if len(trees) == 0:
            print "No trees to display."
            return

        newroot = False
        if root is None:
            root = Tkinter.Tk()
            window = root
            newroot = True
        else:
            window = Tkinter.Toplevel(root)
        
        window.title("Parse Tree")
        window.geometry("600x400")
        self.cf = CanvasFrame(window)
        self.cf.pack(side='top', expand=1, fill='both')
        buttons = Tkinter.Frame(window)
        buttons.pack(side='bottom', fill='x')

        self.spin = Tkinter.Spinbox(buttons, from_=1, to=len(trees),
            command=self.showtree, width=3)
        if len(trees) > 1: self.spin.pack(side='left')
        self.label = Tkinter.Label(buttons, text="of %d" % len(trees))
        if len(trees) > 1: self.label.pack(side='left')
        self.done = Tkinter.Button(buttons, text="Done", command=window.destroy)
        self.done.pack(side='right')
        self.printps = Tkinter.Button(buttons, text="Print to Postscript", command=self.cf.print_to_file)
        self.printps.pack(side='right')
        
        self.trees = trees
        self.treeWidget = None
        self.showtree()
        if newroot: root.mainloop()
    
    def showtree(self):
        try: n = int(self.spin.get())
        except ValueError: n=1
        if self.treeWidget is not None: self.cf.destroy_widget(self.treeWidget)
        self.treeWidget = TreeWidget(self.cf.canvas(),
        self.trees[n-1], draggable=1, shapeable=1)
        self.cf.add_widget(self.treeWidget, 0, 0)

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def test(parses):
    def fill(cw):
        cw['fill'] = '#%06d' % random.randint(0,999999)

    cf = CanvasFrame(width=550, height=450, closeenough=2)

    j = 10

    for parse in parses:
        t  = Tree.fromstring(parse)
        tc = TreeWidget(cf.canvas(), t, draggable=1,
                    node_font=('helvetica', -14, 'bold'),
                    leaf_font=('helvetica', -12, 'italic'),
                    roof_fill='white', roof_color='black',
                    leaf_color='green4', node_color='blue2')

        cf.add_widget(tc,10,j)
        tc.bind_click_trees(tc.toggle_collapsed)
        j += 500

    # Run mainloop
    cf.mainloop()

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
class CFGDemo(object):
    def __init__(self, grammar, text):
        self._grammar = grammar
        self._text = text

        # Set up the main window.
        self._top = Tk()
        self._top.title('Context Free Grammar Demo')

        # Base font size
        self._size = IntVar(self._top)
        self._size.set(12) # = medium

        # Set up the key bindings
        self._init_bindings(self._top)

        # Create the basic frames
        frame1 = Frame(self._top)
        frame1.pack(side='left', fill='y', expand=0)
        self._init_menubar(self._top)
        self._init_buttons(self._top)
        self._init_grammar(frame1)
        self._init_treelet(frame1)
        self._init_workspace(self._top)

    #//////////////////////////////////////////////////
    # Initialization
    #//////////////////////////////////////////////////

    def _init_bindings(self, top):
        top.bind('<Control-q>', self.destroy)

    def _init_menubar(self, parent): pass

    def _init_buttons(self, parent): pass

    def _init_grammar(self, parent):
        self._prodlist = ProductionList(parent, self._grammar, width=20)
        self._prodlist.pack(side='top', fill='both', expand=1)
        self._prodlist.focus()
        self._prodlist.add_callback('select', self._selectprod_cb)
        self._prodlist.add_callback('move', self._selectprod_cb)

    def _init_treelet(self, parent):
        self._treelet_canvas = Canvas(parent, background='white')
        self._treelet_canvas.pack(side='bottom', fill='x')
        self._treelet = None

    def _init_workspace(self, parent):
        self._workspace = CanvasFrame(parent, background='white')
        self._workspace.pack(side='right', fill='both', expand=1)
        self._tree = None
        self.reset_workspace()

    #//////////////////////////////////////////////////
    # Workspace
    #//////////////////////////////////////////////////

    def reset_workspace(self):
        c = self._workspace.canvas()
        fontsize = int(self._size.get())
        node_font = ('helvetica', -(fontsize+4), 'bold')
        leaf_font = ('helvetica', -(fontsize+2))

        # Remove the old tree
        if self._tree is not None:
            self._workspace.remove_widget(self._tree)

        # The root of the tree.
        start = self._grammar.start().symbol()
        rootnode = TextWidget(c, start, font=node_font, draggable=1)

        # The leaves of the tree.
        leaves = []
        for word in self._text:
            leaves.append(TextWidget(c, word, font=leaf_font, draggable=1))

        # Put it all together into one tree
        self._tree = TreeSegmentWidget(c, rootnode, leaves,
                                       color='white')

        # Add it to the workspace.
        self._workspace.add_widget(self._tree)

        # Move the leaves to the bottom of the workspace.
        for leaf in leaves: leaf.move(0,100)

        #self._nodes = {start:1}
        #self._leaves = dict([(l,1) for l in leaves])

    def workspace_markprod(self, production):
        pass

    def _markproduction(self, prod, tree=None):
        if tree is None: tree = self._tree
        for i in range(len(tree.subtrees())-len(prod.rhs())):
            if tree['color', i] == 'white':
                self._markproduction

            for j, node in enumerate(prod.rhs()):
#.........这里部分代码省略.........

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
class RecursiveDescentApp(object):
    """
    A graphical tool for exploring the recursive descent parser.  The tool
    displays the parser's tree and the remaining text, and allows the
    user to control the parser's operation.  In particular, the user
    can expand subtrees on the frontier, match tokens on the frontier
    against the text, and backtrack.  A "step" button simply steps
    through the parsing process, performing the operations that
    ``RecursiveDescentParser`` would use.
    """
    def __init__(self, grammar, sent, trace=0):
        self._sent = sent
        self._parser = SteppingRecursiveDescentParser(grammar, trace)

        # Set up the main window.
        self._top = Tk()
        self._top.title('Recursive Descent Parser Application')

        # Set up key bindings.
        self._init_bindings()

        # Initialize the fonts.
        self._init_fonts(self._top)

        # Animations.  animating_lock is a lock to prevent the demo
        # from performing new operations while it's animating.
        self._animation_frames = IntVar(self._top)
        self._animation_frames.set(5)
        self._animating_lock = 0
        self._autostep = 0

        # The user can hide the grammar.
        self._show_grammar = IntVar(self._top)
        self._show_grammar.set(1)

        # 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)

        # Initialize the parser.
        self._parser.initialize(self._sent)

        # Resize callback
        self._canvas.bind('<Configure>', self._configure)

    #########################################
    ##  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())
        if self._size.get() < 0: big = self._size.get()-2
        else: big = self._size.get()+2
        self._bigfont = tkFont.Font(family='helvetica', weight='bold',
                                    size=big)

    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 Expansions')
        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 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)
#.........这里部分代码省略.........

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
def demo():
    import random

    def fill(cw):
        cw['fill'] = '#%06d' % random.randint(0, 999999)

    cf = CanvasFrame(width=550, height=450, closeenough=2)

    t = Tree.fromstring(
        '''
    (S (NP the very big cat)
       (VP (Adv sorta) (V saw) (NP (Det the) (N dog))))'''
    )

    tc = TreeWidget(
        cf.canvas(),
        t,
        draggable=1,
        node_font=('helvetica', -14, 'bold'),
        leaf_font=('helvetica', -12, 'italic'),
        roof_fill='white',
        roof_color='black',
        leaf_color='green4',
        node_color='blue2',
    )
    cf.add_widget(tc, 10, 10)

    def boxit(canvas, text):
        big = ('helvetica', -16, 'bold')
        return BoxWidget(canvas, TextWidget(canvas, text, font=big), fill='green')

    def ovalit(canvas, text):
        return OvalWidget(canvas, TextWidget(canvas, text), fill='cyan')

    treetok = Tree.fromstring('(S (NP this tree) (VP (V is) (AdjP shapeable)))')
    tc2 = TreeWidget(cf.canvas(), treetok, boxit, ovalit, shapeable=1)

    def color(node):
        node['color'] = '#%04d00' % random.randint(0, 9999)

    def color2(treeseg):
        treeseg.label()['fill'] = '#%06d' % random.randint(0, 9999)
        treeseg.label().child()['color'] = 'white'

    tc.bind_click_trees(tc.toggle_collapsed)
    tc2.bind_click_trees(tc2.toggle_collapsed)
    tc.bind_click_nodes(color, 3)
    tc2.expanded_tree(1).bind_click(color2, 3)
    tc2.expanded_tree().bind_click(color2, 3)

    paren = ParenWidget(cf.canvas(), tc2)
    cf.add_widget(paren, tc.bbox()[2] + 10, 10)

    tree3 = Tree.fromstring(
        '''
    (S (NP this tree) (AUX was)
       (VP (V built) (PP (P with) (NP (N tree_to_treesegment)))))'''
    )
    tc3 = tree_to_treesegment(
        cf.canvas(), tree3, tree_color='green4', tree_xspace=2, tree_width=2
    )
    tc3['draggable'] = 1
    cf.add_widget(tc3, 10, tc.bbox()[3] + 10)

    def orientswitch(treewidget):
        if treewidget['orientation'] == 'horizontal':
            treewidget.expanded_tree(1, 1).subtrees()[0].set_text('vertical')
            treewidget.collapsed_tree(1, 1).subtrees()[0].set_text('vertical')
            treewidget.collapsed_tree(1).subtrees()[1].set_text('vertical')
            treewidget.collapsed_tree().subtrees()[3].set_text('vertical')
            treewidget['orientation'] = 'vertical'
        else:
            treewidget.expanded_tree(1, 1).subtrees()[0].set_text('horizontal')
            treewidget.collapsed_tree(1, 1).subtrees()[0].set_text('horizontal')
            treewidget.collapsed_tree(1).subtrees()[1].set_text('horizontal')
            treewidget.collapsed_tree().subtrees()[3].set_text('horizontal')
            treewidget['orientation'] = 'horizontal'

    text = """
Try clicking, right clicking, and dragging
different elements of each of the trees.
The top-left tree is a TreeWidget built from
a Tree.  The top-right is a TreeWidget built
from a Tree, using non-default widget
constructors for the nodes & leaves (BoxWidget
and OvalWidget).  The bottom-left tree is
built from tree_to_treesegment."""
    twidget = TextWidget(cf.canvas(), text.strip())
    textbox = BoxWidget(cf.canvas(), twidget, fill='white', draggable=1)
    cf.add_widget(textbox, tc3.bbox()[2] + 10, tc2.bbox()[3] + 10)

    tree4 = Tree.fromstring('(S (NP this tree) (VP (V is) (Adj horizontal)))')
    tc4 = TreeWidget(
        cf.canvas(),
        tree4,
        draggable=1,
        line_color='brown2',
        roof_color='brown2',
        node_font=('helvetica', -12, 'bold'),
        node_color='brown4',
#.........这里部分代码省略.........

# 需要导入模块: from nltk.draw.util import CanvasFrame [as 别名]
# 或者: from nltk.draw.util.CanvasFrame import canvas [as 别名]
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 = tkinter.font.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 = tkinter.font.Font(family='helvetica', weight='bold',
                                    size=self._size.get())
        self._font = tkinter.font.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.
#.........这里部分代码省略.........