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How to use prepare_status method in avocado

Best Python code snippet using avocado_python
mpd2widget.py
Source:mpd2widget.py
1"""2A widget for Music Player Daemon (MPD) based on python-mpd2.3This widget exists since python-mpd library is no longer supported.4"""5from collections import defaultdict6from html import escape7from socket import error as socket_error8from mpd import CommandError, ConnectionError, MPDClient9from libqtile import utils10from libqtile.log_utils import logger11from libqtile.widget import base12# Mouse Interaction13# TODO: Volume inc/dec support14keys = {15    # Left mouse button16    "toggle": 1,17    # Right mouse button18    "stop": 3,19    # Scroll up20    "previous": 4,21    # Scroll down22    "next": 5,23    # User defined command24    "command": None25}26# To display mpd state27play_states = {28    'play': '\u25b6',29    'pause': '\u23F8',30    'stop': '\u25a0'31}32def option(char):33    """34    old status mapping method.35    Deprecated.36    """37    def _convert(elements, key, space):38        if key in elements and elements[key] != '0':39            elements[key] = char40        else:41            elements[key] = space42    return _convert43# Changes to formatter will still use this dicitionary as a fallback44prepare_status = {45    'repeat': option('r'),46    'random': option('z'),47    'single': option('1'),48    'consume': option('c'),49    'updating_db': option('U')50}51# dictionary for new formatting method.  This is now default.52status_dict = {53    'repeat': 'r',54    'random': 'z',55    'single': '1',56    'consume': 'c',57    'updating_db': 'U'58}59default_idle_message = "MPD IDLE"60default_idle_format = '{play_status} {idle_message}' +\61                 '[{repeat}{random}{single}{consume}{updating_db}]'62default_format = '{play_status} {artist}/{title} ' +\63                 '[{repeat}{random}{single}{consume}{updating_db}]'64def default_cmd(): return None65format_fns = {66    'all': escape,67}68class Mpd2(base.ThreadPoolText):69    r"""Mpd2 Object.70    Parameters71    ==========72    status_format :73        format string to display status74        For a full list of values, see:75            MPDClient.status() and MPDClient.currentsong()76        https://musicpd.org/doc/protocol/command_reference.html#command_status77        https://musicpd.org/doc/protocol/tags.html78        Default::79            '{play_status} {artist}/{title} \80                [{repeat}{random}{single}{consume}{updating_db}]'81            ``play_status`` is a string from ``play_states`` dict82            Note that the ``time`` property of the song renamed to ``fulltime``83            to prevent conflicts with status information during formating.84    idle_format :85        format string to display status when no song is in queue.86        Default::87            '{play_status} {idle_message} \88                [{repeat}{random}{single}{consume}{updating_db}]'89    idle_message :90        text to display instead of song information when MPD is idle.91        (i.e. no song in queue)92        Default:: "MPD IDLE"93    prepare_status :94        dict of functions to replace values in status with custom characters.95        ``f(status, key, space_element) => str``96        New functionality allows use of a dictionary of plain strings.97        Default::98            status_dict = {99                'repeat': 'r',100                'random': 'z',101                'single': '1',102                'consume': 'c',103                'updating_db': 'U'104            }105    format_fns :106        A dict of functions to format the various elements.107        'Tag' : f(str) => str108        Default:: { 'all': lambda s: cgi.escape(s) }109        N.B. if 'all' is present, it is processed on every element of song_info110            before any other formatting is done.111    mouse_buttons :112        A dict of mouse button numbers to actions113    Widget requirements: python-mpd2_.114    .. _python-mpd2: https://pypi.org/project/python-mpd2/115    """116    orientations = base.ORIENTATION_HORIZONTAL117    defaults = [118        ('update_interval', 1, 'Interval of update widget'),119        ('host', 'localhost', 'Host of mpd server'),120        ('port', 6600, 'Port of mpd server'),121        ('password', None, 'Password for auth on mpd server'),122        ('keys', keys, 'mouse button mapping. action -> b_num. deprecated.'),123        ('mouse_buttons', {}, 'b_num -> action. replaces keys.'),124        ('play_states', play_states, 'Play state mapping'),125        ('format_fns', format_fns, 'Dictionary of format methods'),126        ('command', default_cmd,127            'command to be executed by mapped mouse button.'),128        ('prepare_status', status_dict,129            'characters to show the status of MPD'),130        ('status_format', default_format, 'format for displayed song info.'),131        ('idle_format', default_idle_format,132            'format for status when mpd has no playlist.'),133        ('idle_message', default_idle_message,134            'text to display when mpd is idle.'),135        ('timeout', 30, 'MPDClient timeout'),136        ('idletimeout', 5, 'MPDClient idle command timeout'),137        ('no_connection', 'No connection', 'Text when mpd is disconnected'),138        ('color_progress', None, 'Text color to indicate track progress.'),139        ('space', '-', 'Space keeper')140    ]141    def __init__(self, **config):142        """Constructor."""143        super().__init__(None, **config)144        self.add_defaults(Mpd2.defaults)145        self.client = MPDClient()146        self.client.timeout = self.timeout147        self.client.idletimeout = self.idletimeout148        if self.color_progress:149            self.color_progress = utils.hex(self.color_progress)150        # remap self.keys as mouse_buttons for new button_press functionality.151        # so we don't break existing configurations.152        # TODO: phase out use of self.keys in favor of self.mouse_buttons153        if self.mouse_buttons == {}:154            for k in self.keys:155                if self.keys[k] is not None:156                    self.mouse_buttons[self.keys[k]] = k157    @property158    def connected(self):159        """Attempt connection to mpd server."""160        try:161            self.client.ping()  # pylint: disable=E1101162        except(socket_error, ConnectionError):163            try:164                self.client.connect(self.host, self.port)165                if self.password:166                    self.client.password(self.password)  # pylint: disable=E1101167            except(socket_error, ConnectionError, CommandError):168                return False169        return True170    def poll(self):171        """172        Called by qtile manager.173        poll the mpd server and update widget.174        """175        if self.connected:176            return self.update_status()177        else:178            return self.no_connection179    def update_status(self):180        """get updated info from mpd server and call format."""181        self.client.command_list_ok_begin()182        self.client.status()  # pylint: disable=E1101183        self.client.currentsong()  # pylint: disable=E1101184        status, current_song = self.client.command_list_end()185        return self.formatter(status, current_song)186    def button_press(self, x, y, button):187        """handle click event on widget."""188        base.ThreadPoolText.button_press(self, x, y, button)189        m_name = self.mouse_buttons[button]190        if self.connected:191            if hasattr(self, m_name):192                self.__try_call(m_name)193            elif hasattr(self.client, m_name):194                self.__try_call(m_name, self.client)195    def __try_call(self, attr_name, obj=None):196        err1 = 'Class {Class} has no attribute {attr}.'197        err2 = 'attribute "{Class}.{attr}" is not callable.'198        context = obj or self199        try:200            getattr(context, attr_name)()201        except (AttributeError, TypeError) as e:202            if isinstance(e, AttributeError):203                err = err1.format(Class=type(context).__name__, attr=attr_name)204            else:205                err = err2.format(Class=type(context).__name__, attr=attr_name)206            logger.exception(err + " {}".format(e.args[0]))207    def toggle(self):208        """toggle play/pause."""209        status = self.client.status()  # pylint: disable=E1101210        play_status = status['state']211        if play_status == 'play':212            self.client.pause()  # pylint: disable=E1101213        else:214            self.client.play()  # pylint: disable=E1101215    def formatter(self, status, current_song):216        """format song info."""217        default = 'Undefined'218        song_info = defaultdict(lambda: default)219        song_info['play_status'] = self.play_states[status['state']]220        if status['state'] == 'stop' and current_song == {}:221            song_info['idle_message'] = self.idle_message222            fmt = self.idle_format223        else:224            fmt = self.status_format225        for k in current_song:226            song_info[k] = current_song[k]227        song_info['fulltime'] = song_info['time']228        del song_info['time']229        song_info.update(status)230        if song_info['updating_db'] == default:231            song_info['updating_db'] = '0'232        if not callable(self.prepare_status['repeat']):233            for k in self.prepare_status:234                if k in status and status[k] != '0':235                    # Much more direct.236                    song_info[k] = self.prepare_status[k]237                else:238                    song_info[k] = self.space239        else:240            self.prepare_formatting(song_info)241        # 'remaining' isn't actually in the information provided by mpd242        # so we construct it from 'fulltime' and 'elapsed'.243        # 'elapsed' is always less than or equal to 'fulltime', if it exists.244        # Remaining should default to '00:00' if either or both are missing.245        # These values are also used for coloring text by progress, if wanted.246        if 'remaining' in self.status_format or self.color_progress:247            total = float(song_info['fulltime'])\248                if song_info['fulltime'] != default else 0.0249            elapsed = float(song_info['elapsed'])\250                if song_info['elapsed'] != default else 0.0251            song_info['remaining'] = "{:.2f}".format(float(total - elapsed))252        # mpd serializes tags containing commas as lists.253        for key in song_info:254            if isinstance(song_info[key], list):255                song_info[key] = ', '.join(song_info[key])256        # Now we apply the user formatting to selected elements in song_info.257        # if 'all' is defined, it is applied first.258        # the reason for this is that, if the format functions do pango markup.259        # we don't want to do anything that would mess it up, e.g. `escape`ing.260        if 'all' in self.format_fns:261            for key in song_info:262                song_info[key] = self.format_fns['all'](song_info[key])263        for fmt_fn in self.format_fns:264            if fmt_fn in song_info and fmt_fn != 'all':265                song_info[fmt_fn] = self.format_fns[fmt_fn](song_info[fmt_fn])266        # fmt = self.status_format267        if not isinstance(fmt, str):268            fmt = str(fmt)269        formatted = fmt.format_map(song_info)270        if self.color_progress and status['state'] != 'stop':271            try:272                progress = int(len(formatted) * elapsed / total)273                formatted = '<span color="{0}">{1}</span>{2}'.format(274                    self.color_progress, formatted[:progress], formatted[progress:],275                )276            except (ZeroDivisionError, ValueError):277                pass278        return formatted279    def prepare_formatting(self, status):280        """old way of preparing status formatting."""281        for key in self.prepare_status:282            self.prepare_status[key](status, key, self.space)283    def finalize(self):284        """finalize."""285        super().finalize()286        try:287            self.client.close()  # pylint: disable=E1101288            self.client.disconnect()289        except ConnectionError:...
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