Python tkMessageBox.showerror() Examples

def PathOk(self):
        "Simple validity check for menu file path"
        pathOk = True
        path = self.path.get()
        path.strip()
        if not path: #no path specified
            tkMessageBox.showerror(title='File Path Error',
                                   message='No help file path specified.',
                                   parent=self)
            self.entryPath.focus_set()
            pathOk = False
        elif path.startswith(('www.', 'http')):
            pass
        else:
            if path[:5] == 'file:':
                path = path[5:]
            if not os.path.exists(path):
                tkMessageBox.showerror(title='File Path Error',
                                       message='Help file path does not exist.',
                                       parent=self)
                self.entryPath.focus_set()
                pathOk = False
        return pathOk 

def clickLoad(self):
        if self.__is_verbose: print "ACTION: Clicked 'Load'"
        
        # turn off toggle buttons
        self.spaces_button.setOff()
        self.cps_button.setOff()
        
        if not self.loadImage(self.SETUP_IMAGE, self.display, 
                s.PICTURE_RESOLUTION[0]/2, s.PICTURE_RESOLUTION[1]/2):
                
                tkMessageBox.showerror(title = "Error!",
                message = "Error loading setup image."
                + " Please ensure setup image exists as ./image/setup_image.jpeg.")
                
                return
        
        # clear all previous data, and activate buttons
        self.clear_button.invoke()
        self.cps_button.config(state = tk.ACTIVE)
        self.spaces_button.config(state = tk.ACTIVE) 

def print_selection(self, *e):
        if self._root is None: return
        if self._selection is None:
            tkMessageBox.showerror('Print Error', 'No tree selected')
        else:
            c = self._cframe.canvas()
            for widget in self._treewidgets:
                if widget is not self._selection:
                    self._cframe.destroy_widget(widget)
            c.delete(self._selectbox)
            (x1,y1,x2,y2) = self._selection.bbox()
            self._selection.move(10-x1,10-y1)
            c['scrollregion'] = '0 0 %s %s' % (x2-x1+20, y2-y1+20)
            self._cframe.print_to_file()

            # Restore our state.
            self._treewidgets = [self._selection]
            self.clear()
            self.update() 

def goto_path(self, event):
        frm = self.node_entry.get()
        to = self.node_entry2.get()
        self.node_entry.delete(0, tk.END)
        self.node_entry2.delete(0, tk.END)

        if frm == '':
            tkm.showerror("No From Node", "Please enter a node in both "
                "boxes to plot a path.  Enter a node in only the first box "
                "to bring up nodes immediately adjacent.")
            return

        if frm.isdigit() and int(frm) in self.canvas.dataG.nodes():
            frm = int(frm)
        if to.isdigit() and int(to) in self.canvas.dataG.nodes():
            to = int(to)

        self.canvas.plot_path(frm, to, levels=self.level) 

def loadData(self):
        try:
            # load the setup data, reload to refresh the data
            import setup_data 
            reload(setup_data)
        except:
            if self.__is_verbose: 
                print "ERROR: Problem loading data from ./setup_data.py"
            tkMessageBox.showerror(
                title = "Error!", 
                message = "Problem loading data from setup_data.py"
                )
        self.__is_saved = True
        return setup_data.boxes
        
    # --------------------------------------------------------------------------
    #   Check Data
    # -------------------------------------------------------------------------- 

def load_chart(self, *args):
        "Load a chart from a pickle file"
        filename = askopenfilename(filetypes=self.CHART_FILE_TYPES,
                                   defaultextension='.pickle')
        if not filename: return
        try:
            chart = pickle.load(open(filename, 'r'))
            self._chart = chart
            self._cv.update(chart)
            if self._matrix: self._matrix.set_chart(chart)
            if self._matrix: self._matrix.deselect_cell()
            if self._results: self._results.set_chart(chart)
            self._cp.set_chart(chart)
        except Exception, e:
            raise
            tkMessageBox.showerror('Error Loading Chart',
                                   'Unable to open file: %r' % filename) 

def save_grammar(self, *args):
        filename = asksaveasfilename(filetypes=self.GRAMMAR_FILE_TYPES,
                                     defaultextension='.cfg')
        if not filename: return
        try:
            if filename.endswith('.pickle'):
                pickle.dump((self._chart, self._tokens), open(filename, 'w'))
            else:
                file = open(filename, 'w')
                prods = self._grammar.productions()
                start = [p for p in prods if p.lhs() == self._grammar.start()]
                rest = [p for p in prods if p.lhs() != self._grammar.start()]
                for prod in start: file.write('%s\n' % prod)
                for prod in rest: file.write('%s\n' % prod)
                file.close()
        except Exception, e:
            tkMessageBox.showerror('Error Saving Grammar',
                                   'Unable to open file: %r' % filename) 

def _auto_align_timer(self, *args):
        # Check thread status.
        if self.work_done:
            # Update status message, with popup on error.
            if self.work_status is not None:
                self._set_status(self.work_status)
            if self.work_error is not None:
                self._set_status('Auto-alignment failed.')
                tkMessageBox.showerror('Auto-alignment error', self.work_error)
            # Clear the 'done' flag for future runs.
            self.work_done = False
        else:
            # Update status message and keep hourglass.
            if self.work_status is not None:
                self._set_status(self.work_status, 'wait')
            # Reset timer to be called again.
            self.parent.after(200, self._auto_align_timer)

    # Create panorama object using current settings. 

def pcap_analyse(self):
        if os.path.exists(self.pcap_file.get()):
            self.progressbar.start()
            result = Queue.Queue()
            packet_read = threading.Thread(target=pcapReader.pcapReader,args=(self.pcap_file.get(),result))
            packet_read.start()
            while packet_read.is_alive():
                self.progressbar.update()
            packet_read.join()
            self.progressbar.stop()
            #packet_read.join()
            self.capture_read = result.get()
            reportThreadpcap = threading.Thread(target=reportGen.reportGen().packetDetails,args=(self.capture_read,))
            reportThreadpcap.start()
            #self.option.set("Tor")
            self.option.trace("w",self.map_select)
            #self.option.set("Tor")
            self.name_servers = ""
        else:
            tkMessageBox.showerror("Error","File Not Found !") 

def open_module(self, event=None):
        # XXX Shouldn't this be in IOBinding or in FileList?
        try:
            name = self.text.get("sel.first", "sel.last")
        except TclError:
            name = ""
        else:
            name = name.strip()
        name = tkSimpleDialog.askstring("Module",
                 "Enter the name of a Python module\n"
                 "to search on sys.path and open:",
                 parent=self.text, initialvalue=name)
        if name:
            name = name.strip()
        if not name:
            return
        # XXX Ought to insert current file's directory in front of path
        try:
            (f, file, (suffix, mode, type)) = _find_module(name)
        except (NameError, ImportError), msg:
            tkMessageBox.showerror("Import error", str(msg), parent=self.text)
            return 

def NameOk(self):
        #simple validity check for a sensible
        #ConfigParser file section name
        nameOk=1
        name=self.name.get()
        name.strip()
        if not name: #no name specified
            tkMessageBox.showerror(title='Name Error',
                    message='No name specified.', parent=self)
            nameOk=0
        elif len(name)>30: #name too long
            tkMessageBox.showerror(title='Name Error',
                    message='Name too long. It should be no more than '+
                    '30 characters.', parent=self)
            nameOk=0
        elif name in self.usedNames:
            tkMessageBox.showerror(title='Name Error',
                    message='This name is already in use.', parent=self)
            nameOk=0
        return nameOk 

def open(self, filename, action=None):
        assert filename
        filename = self.canonize(filename)
        if os.path.isdir(filename):
            # This can happen when bad filename is passed on command line:
            tkMessageBox.showerror(
                "File Error",
                "%r is a directory." % (filename,),
                master=self.root)
            return None
        key = os.path.normcase(filename)
        if key in self.dict:
            edit = self.dict[key]
            edit.top.wakeup()
            return edit
        if action:
            # Don't create window, perform 'action', e.g. open in same window
            return action(filename)
        else:
            return self.EditorWindow(self, filename, key) 

def MenuOk(self):
        "Simple validity check for a sensible menu item name"
        menuOk = True
        menu = self.menu.get()
        menu.strip()
        if not menu:
            tkMessageBox.showerror(title='Menu Item Error',
                                   message='No menu item specified',
                                   parent=self)
            self.entryMenu.focus_set()
            menuOk = False
        elif len(menu) > 30:
            tkMessageBox.showerror(title='Menu Item Error',
                                   message='Menu item too long:'
                                           '\nLimit 30 characters.',
                                   parent=self)
            self.entryMenu.focus_set()
            menuOk = False
        return menuOk 

def PathOk(self):
        "Simple validity check for menu file path"
        pathOk = True
        path = self.path.get()
        path.strip()
        if not path: #no path specified
            tkMessageBox.showerror(title='File Path Error',
                                   message='No help file path specified.',
                                   parent=self)
            self.entryPath.focus_set()
            pathOk = False
        elif path.startswith(('www.', 'http')):
            pass
        else:
            if path[:5] == 'file:':
                path = path[5:]
            if not os.path.exists(path):
                tkMessageBox.showerror(title='File Path Error',
                                       message='Help file path does not exist.',
                                       parent=self)
                self.entryPath.focus_set()
                pathOk = False
        return pathOk 

def setup(root, wm=''):
    """1) find the files and/or settings (::wm_default::setup).
    Takes one optional argument: wm, the name of the window manager
    as a string, if known. One of: windows gnome kde1 kde2 cde kde.
    """
    try:
        try:
            # Make sure Tcl/Tk knows wm_default is installed
            root.tk.eval("package require wm_default")
        except:
            # Try again with this directory on the Tcl/Tk path
            dir = os.path.dirname (self.__file__)
            root.tk.eval('global auto_path; lappend auto_path {%s}' % dir)
            root.tk.eval("package require wm_default")
    except:
        t, v, tb = sys.exc_info()
        text = "Error loading WmDefault\n"
        for line in traceback.format_exception(t,v,tb): text = text + line + '\n'
        try:
            tkMessageBox.showerror ('WmDefault Error', text)
        except:
            sys.stderr.write( text )

    return root.tk.call('::wm_default::setup', wm) 

def name_ok(self):
        ''' After stripping entered name, check that it is a  sensible
        ConfigParser file section name. Return it if it is, '' if not.
        '''
        name = self.name.get().strip()
        if not name: #no name specified
            tkMessageBox.showerror(title='Name Error',
                    message='No name specified.', parent=self)
        elif len(name)>30: #name too long
            tkMessageBox.showerror(title='Name Error',
                    message='Name too long. It should be no more than '+
                    '30 characters.', parent=self)
            name = ''
        elif name in self.used_names:
            tkMessageBox.showerror(title='Name Error',
                    message='This name is already in use.', parent=self)
            name = ''
        return name 

def open(self, filename, action=None):
        assert filename
        filename = self.canonize(filename)
        if os.path.isdir(filename):
            # This can happen when bad filename is passed on command line:
            tkMessageBox.showerror(
                "File Error",
                "%r is a directory." % (filename,),
                master=self.root)
            return None
        key = os.path.normcase(filename)
        if key in self.dict:
            edit = self.dict[key]
            edit.top.wakeup()
            return edit
        if action:
            # Don't create window, perform 'action', e.g. open in same window
            return action(filename)
        else:
            return self.EditorWindow(self, filename, key) 

def MenuOk(self):
        "Simple validity check for a sensible menu item name"
        menuOk = True
        menu = self.menu.get()
        menu.strip()
        if not menu:
            tkMessageBox.showerror(title='Menu Item Error',
                                   message='No menu item specified',
                                   parent=self)
            self.entryMenu.focus_set()
            menuOk = False
        elif len(menu) > 30:
            tkMessageBox.showerror(title='Menu Item Error',
                                   message='Menu item too long:'
                                           '\nLimit 30 characters.',
                                   parent=self)
            self.entryMenu.focus_set()
            menuOk = False
        return menuOk 

def open_stack_viewer(self, event=None):
        if self.interp.rpcclt:
            return self.interp.remote_stack_viewer()
        try:
            sys.last_traceback
        except:
            tkMessageBox.showerror("No stack trace",
                "There is no stack trace yet.\n"
                "(sys.last_traceback is not defined)",
                master=self.text)
            return
        from idlelib.StackViewer import StackBrowser
        sv = StackBrowser(self.root, self.flist) 

def display_port_binding_error(self):
        tkMessageBox.showerror(
            "Port Binding Error",
            "IDLE can't bind to a TCP/IP port, which is necessary to "
            "communicate with its Python execution server.  This might be "
            "because no networking is installed on this computer.  "
            "Run IDLE with the -n command line switch to start without a "
            "subprocess and refer to Help/IDLE Help 'Running without a "
            "subprocess' for further details.",
            master=self.tkconsole.text) 

def load_chart_dialog(self, *args):
        filename = askopenfilename(filetypes=self.CHART_FILE_TYPES,
                                   defaultextension='.pickle')
        if not filename: return
        try: self.load_chart(filename)
        except Exception, e:
            tkMessageBox.showerror('Error Loading Chart',
                                   'Unable to open file: %r\n%s' %
                                   (filename, e)) 

def goto_file_line(self, event=None):
        if self.file_line_progs is None:
            l = []
            for pat in self.file_line_pats:
                l.append(re.compile(pat, re.IGNORECASE))
            self.file_line_progs = l
        # x, y = self.event.x, self.event.y
        # self.text.mark_set("insert", "@%d,%d" % (x, y))
        line = self.text.get("insert linestart", "insert lineend")
        result = self._file_line_helper(line)
        if not result:
            # Try the previous line.  This is handy e.g. in tracebacks,
            # where you tend to right-click on the displayed source line
            line = self.text.get("insert -1line linestart",
                                 "insert -1line lineend")
            result = self._file_line_helper(line)
            if not result:
                tkMessageBox.showerror(
                    "No special line",
                    "The line you point at doesn't look like "
                    "a valid file name followed by a line number.",
                    master=self.text)
                return
        filename, lineno = result
        edit = self.flist.open(filename)
        edit.gotoline(lineno) 

def decode(self, chars):
        """Create a Unicode string

        If that fails, let Tcl try its best
        """
        # Check presence of a UTF-8 signature first
        if chars.startswith(BOM_UTF8):
            try:
                chars = chars[3:].decode("utf-8")
            except UnicodeError:
                # has UTF-8 signature, but fails to decode...
                return chars
            else:
                # Indicates that this file originally had a BOM
                self.fileencoding = BOM_UTF8
                return chars
        # Next look for coding specification
        try:
            enc = coding_spec(chars)
        except LookupError, name:
            tkMessageBox.showerror(
                title="Error loading the file",
                message="The encoding '%s' is not known to this Python "\
                "installation. The file may not display correctly" % name,
                master = self.text)
            enc = None 

def display_no_subprocess_error(self):
        tkMessageBox.showerror(
            "Subprocess Startup Error",
            "IDLE's subprocess didn't make connection.  Either IDLE can't "
            "start a subprocess or personal firewall software is blocking "
            "the connection.",
            master=self.tkconsole.text) 

def __load(self, event=None):
        while 1:
            idir, ifile = os.path.split(self.__sb.colordb().filename())
            file = tkFileDialog.askopenfilename(
                filetypes=[('Text files', '*.txt'),
                           ('All files', '*'),
                           ],
                initialdir=idir,
                initialfile=ifile)
            if not file:
                # cancel button
                return
            try:
                colordb = ColorDB.get_colordb(file)
            except IOError:
                tkMessageBox.showerror('Read error', '''\
Could not open file for reading:
%s''' % file)
                continue
            if colordb is None:
                tkMessageBox.showerror('Unrecognized color file type', '''\
Unrecognized color file type in file:
%s''' % file)
                continue
            break
        self.__sb.set_colordb(colordb) 

def errorbox(self, title, message):
        # XXX This should really be a function of EditorWindow...
        tkMessageBox.showerror(title, message, master=self.editwin.text)
        self.editwin.text.focus_set() 

def python_docs(self, event=None):
        if sys.platform[:3] == 'win':
            try:
                os.startfile(self.help_url)
            except WindowsError as why:
                tkMessageBox.showerror(title='Document Start Failure',
                    message=str(why), parent=self.text)
        else:
            webbrowser.open(self.help_url)
        return "break" 

def open_module(self, event=None):
        # XXX Shouldn't this be in IOBinding or in FileList?
        try:
            name = self.text.get("sel.first", "sel.last")
        except TclError:
            name = ""
        else:
            name = name.strip()
        name = tkSimpleDialog.askstring("Module",
                 "Enter the name of a Python module\n"
                 "to search on sys.path and open:",
                 parent=self.text, initialvalue=name)
        if name:
            name = name.strip()
        if not name:
            return
        # XXX Ought to insert current file's directory in front of path
        try:
            (f, file_path, (suffix, mode, mtype)) = _find_module(name)
        except (NameError, ImportError) as msg:
            tkMessageBox.showerror("Import error", str(msg), parent=self.text)
            return
        if mtype != imp.PY_SOURCE:
            tkMessageBox.showerror("Unsupported type",
                "%s is not a source module" % name, parent=self.text)
            return
        if f:
            f.close()
        if self.flist:
            self.flist.open(file_path)
        else:
            self.io.loadfile(file_path)
        return file_path 

def update_recent_files_list(self, new_file=None):
        "Load and update the recent files list and menus"
        rf_list = []
        if os.path.exists(self.recent_files_path):
            with  open(self.recent_files_path, 'r') as rf_list_file:
                rf_list = rf_list_file.readlines()
        if new_file:
            new_file = os.path.abspath(new_file) + '\n'
            if new_file in rf_list:
                rf_list.remove(new_file)  # move to top
            rf_list.insert(0, new_file)
        # clean and save the recent files list
        bad_paths = []
        for path in rf_list:
            if '\0' in path or not os.path.exists(path[0:-1]):
                bad_paths.append(path)
        rf_list = [path for path in rf_list if path not in bad_paths]
        ulchars = "1234567890ABCDEFGHIJK"
        rf_list = rf_list[0:len(ulchars)]
        try:
            with open(self.recent_files_path, 'w') as rf_file:
                rf_file.writelines(rf_list)
        except IOError as err:
            if not getattr(self.root, "recentfilelist_error_displayed", False):
                self.root.recentfilelist_error_displayed = True
                tkMessageBox.showerror(title='IDLE Error',
                    message='Unable to update Recent Files list:\n%s'
                        % str(err),
                    parent=self.text)
        # for each edit window instance, construct the recent files menu
        for instance in self.top.instance_dict.keys():
            menu = instance.recent_files_menu
            menu.delete(0, END)  # clear, and rebuild:
            for i, file_name in enumerate(rf_list):
                file_name = file_name.rstrip()  # zap \n
                # make unicode string to display non-ASCII chars correctly
                ufile_name = self._filename_to_unicode(file_name)
                callback = instance.__recent_file_callback(file_name)
                menu.add_command(label=ulchars[i] + " " + ufile_name,
                                 command=callback,
                                 underline=0) 

def error_msg_tkpaint(msg, parent=None):
    import tkMessageBox
    tkMessageBox.showerror("matplotlib", msg)