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How to use _set_attributes method in localstack

Best Python code snippet using localstack_python

tmxreader.py

Source:tmxreader.py

...521    written in java. It can be found here: http://mapeditor.org/522    """523    def _build_tile_set(self, tile_set_node, world_map):524        tile_set = TileSet()525        self._set_attributes(tile_set_node, tile_set)526        if hasattr(tile_set, "source"):527            tile_set = self._parse_tsx(tile_set.source, tile_set, world_map)528        else:529            tile_set = self._get_tile_set(tile_set_node, tile_set, \530                                                            self.map_file_name)531        world_map.tile_sets.append(tile_set)532    def _parse_tsx(self, file_name, tile_set, world_map):533        # ISSUE 5: the *.tsx file is probably relative to the *.tmx file534        if not os.path.isabs(file_name):535            # print "map file name", self.map_file_name536            file_name = self._get_abs_path(self.map_file_name, file_name)537        # print "tsx filename: ", file_name538        # would be more elegant to use  "with open(file_name, "rb") as file:" 539        # but that is python 2.6540        file = None541        try:542            file = open(file_name, "rb")543            dom = minidom.parseString(file.read())544        finally:545            if file:546                file.close()547        for node in self._get_nodes(dom.childNodes, 'tileset'):548            tile_set = self._get_tile_set(node, tile_set, file_name)549            break550        return tile_set551    def _get_tile_set(self, tile_set_node, tile_set, base_path):552        for node in self._get_nodes(tile_set_node.childNodes, 'image'):553            self._build_tile_set_image(node, tile_set, base_path)554        for node in self._get_nodes(tile_set_node.childNodes, 'tile'):555            self._build_tile_set_tile(node, tile_set)556        self._set_attributes(tile_set_node, tile_set)557        return tile_set558    def _build_tile_set_image(self, image_node, tile_set, base_path):559        image = TileImage()560        self._set_attributes(image_node, image)561        # id of TileImage has to be set! -> Tile.TileImage will only have id set562        for node in self._get_nodes(image_node.childNodes, 'data'):563            self._set_attributes(node, image)564            image.content = node.childNodes[0].nodeValue565        image.source = self._get_abs_path(base_path, image.source) # ISSUE 5566        tile_set.images.append(image)567    def _get_abs_path(self, base, relative):568        if os.path.isabs(relative):569            return relative570        if os.path.isfile(base):571            base = os.path.dirname(base)572        return os.path.abspath(os.path.join(base, relative))573    def _build_tile_set_tile(self, tile_set_node, tile_set):574        tile = Tile()575        self._set_attributes(tile_set_node, tile)576        for node in self._get_nodes(tile_set_node.childNodes, 'image'):577            self._build_tile_set_tile_image(node, tile)578        tile_set.tiles.append(tile)579    def _build_tile_set_tile_image(self, tile_node, tile):580        tile_image = TileImage()581        self._set_attributes(tile_node, tile_image)582        for node in self._get_nodes(tile_node.childNodes, 'data'):583            self._set_attributes(node, tile_image)584            tile_image.content = node.childNodes[0].nodeValue585        tile.images.append(tile_image)586    def _build_layer(self, layer_node, world_map):587        layer = TileLayer()588        self._set_attributes(layer_node, layer)589        for node in self._get_nodes(layer_node.childNodes, 'data'):590            self._set_attributes(node, layer)591            if layer.encoding:592                layer.encoded_content = node.lastChild.nodeValue593            else:594                #print 'has childnodes', node.hasChildNodes()595                layer.encoded_content = []596                for child in node.childNodes:597                    if child.nodeType == Node.ELEMENT_NODE and \598                                                    child.nodeName == "tile":599                        val = child.attributes["gid"].nodeValue600                        #print child, val601                        layer.encoded_content.append(val)602        world_map.layers.append(layer)603    def _build_world_map(self, world_node):604        world_map = TileMap()605        self._set_attributes(world_node, world_map)606        for node in self._get_nodes(world_node.childNodes, 'tileset'):607            self._build_tile_set(node, world_map)608        for node in self._get_nodes(world_node.childNodes, 'layer'):609            self._build_layer(node, world_map)610        for node in self._get_nodes(world_node.childNodes, 'objectgroup'):611            self._build_object_groups(node, world_map)612        return world_map613    def _build_object_groups(self, object_group_node, world_map):614        object_group = MapObjectGroupLayer()615        self._set_attributes(object_group_node,  object_group)616        for node in self._get_nodes(object_group_node.childNodes, 'object'):617            tiled_object = MapObject()618            self._set_attributes(node, tiled_object)619            for img_node in self._get_nodes(node.childNodes, 'image'):620                tiled_object.image_source = \621                                        img_node.attributes['source'].nodeValue622            object_group.objects.append(tiled_object)623        # ISSUE 9624        world_map.layers.append(object_group)625    # -- helpers -- #626    def _get_nodes(self, nodes, name):627        for node in nodes:628            if node.nodeType == Node.ELEMENT_NODE and node.nodeName == name:629                yield node630    def _set_attributes(self, node, obj):631        attrs = node.attributes632        for attr_name in list(attrs.keys()):633            setattr(obj, attr_name, attrs.get(attr_name).nodeValue)634        self._get_properties(node, obj)635    def _get_properties(self, node, obj):636        props = {}637        for properties_node in self._get_nodes(node.childNodes, 'properties'):638            for property_node in self._get_nodes(properties_node.childNodes, 'property'):639                try:640                    props[property_node.attributes['name'].nodeValue] = \641                                    property_node.attributes['value'].nodeValue642                except KeyError:643                    props[property_node.attributes['name'].nodeValue] = \644                                            property_node.lastChild.nodeValue...

style.py

Source:style.py

1import sys2from functools import lru_cache3from marshal import loads, dumps4from random import randint5from typing import Any, cast, Dict, Iterable, List, Optional, Type, Union6from . import errors7from .color import Color, ColorParseError, ColorSystem, blend_rgb8from .repr import rich_repr, Result9from .terminal_theme import DEFAULT_TERMINAL_THEME, TerminalTheme10# Style instances and style definitions are often interchangeable11StyleType = Union[str, "Style"]12class _Bit:13    """A descriptor to get/set a style attribute bit."""14    __slots__ = ["bit"]15    def __init__(self, bit_no: int) -> None:16        self.bit = 1 << bit_no17    def __get__(self, obj: "Style", objtype: Type["Style"]) -> Optional[bool]:18        if obj._set_attributes & self.bit:19            return obj._attributes & self.bit != 020        return None21@rich_repr22class Style:23    """A terminal style.24    A terminal style consists of a color (`color`), a background color (`bgcolor`), and a number of attributes, such25    as bold, italic etc. The attributes have 3 states: they can either be on26    (``True``), off (``False``), or not set (``None``).27    Args:28        color (Union[Color, str], optional): Color of terminal text. Defaults to None.29        bgcolor (Union[Color, str], optional): Color of terminal background. Defaults to None.30        bold (bool, optional): Enable bold text. Defaults to None.31        dim (bool, optional): Enable dim text. Defaults to None.32        italic (bool, optional): Enable italic text. Defaults to None.33        underline (bool, optional): Enable underlined text. Defaults to None.34        blink (bool, optional): Enabled blinking text. Defaults to None.35        blink2 (bool, optional): Enable fast blinking text. Defaults to None.36        reverse (bool, optional): Enabled reverse text. Defaults to None.37        conceal (bool, optional): Enable concealed text. Defaults to None.38        strike (bool, optional): Enable strikethrough text. Defaults to None.39        underline2 (bool, optional): Enable doubly underlined text. Defaults to None.40        frame (bool, optional): Enable framed text. Defaults to None.41        encircle (bool, optional): Enable encircled text. Defaults to None.42        overline (bool, optional): Enable overlined text. Defaults to None.43        link (str, link): Link URL. Defaults to None.44    """45    _color: Optional[Color]46    _bgcolor: Optional[Color]47    _attributes: int48    _set_attributes: int49    _hash: int50    _null: bool51    _meta: Optional[bytes]52    __slots__ = [53        "_color",54        "_bgcolor",55        "_attributes",56        "_set_attributes",57        "_link",58        "_link_id",59        "_ansi",60        "_style_definition",61        "_hash",62        "_null",63        "_meta",64    ]65    # maps bits on to SGR parameter66    _style_map = {67        0: "1",68        1: "2",69        2: "3",70        3: "4",71        4: "5",72        5: "6",73        6: "7",74        7: "8",75        8: "9",76        9: "21",77        10: "51",78        11: "52",79        12: "53",80    }81    STYLE_ATTRIBUTES = {82        "dim": "dim",83        "d": "dim",84        "bold": "bold",85        "b": "bold",86        "italic": "italic",87        "i": "italic",88        "underline": "underline",89        "u": "underline",90        "blink": "blink",91        "blink2": "blink2",92        "reverse": "reverse",93        "r": "reverse",94        "conceal": "conceal",95        "c": "conceal",96        "strike": "strike",97        "s": "strike",98        "underline2": "underline2",99        "uu": "underline2",100        "frame": "frame",101        "encircle": "encircle",102        "overline": "overline",103        "o": "overline",104    }105    def __init__(106        self,107        *,108        color: Optional[Union[Color, str]] = None,109        bgcolor: Optional[Union[Color, str]] = None,110        bold: Optional[bool] = None,111        dim: Optional[bool] = None,112        italic: Optional[bool] = None,113        underline: Optional[bool] = None,114        blink: Optional[bool] = None,115        blink2: Optional[bool] = None,116        reverse: Optional[bool] = None,117        conceal: Optional[bool] = None,118        strike: Optional[bool] = None,119        underline2: Optional[bool] = None,120        frame: Optional[bool] = None,121        encircle: Optional[bool] = None,122        overline: Optional[bool] = None,123        link: Optional[str] = None,124        meta: Optional[Dict[str, Any]] = None,125    ):126        self._ansi: Optional[str] = None127        self._style_definition: Optional[str] = None128        def _make_color(color: Union[Color, str]) -> Color:129            return color if isinstance(color, Color) else Color.parse(color)130        self._color = None if color is None else _make_color(color)131        self._bgcolor = None if bgcolor is None else _make_color(bgcolor)132        self._set_attributes = sum(133            (134                bold is not None,135                dim is not None and 2,136                italic is not None and 4,137                underline is not None and 8,138                blink is not None and 16,139                blink2 is not None and 32,140                reverse is not None and 64,141                conceal is not None and 128,142                strike is not None and 256,143                underline2 is not None and 512,144                frame is not None and 1024,145                encircle is not None and 2048,146                overline is not None and 4096,147            )148        )149        self._attributes = (150            sum(151                (152                    bold and 1 or 0,153                    dim and 2 or 0,154                    italic and 4 or 0,155                    underline and 8 or 0,156                    blink and 16 or 0,157                    blink2 and 32 or 0,158                    reverse and 64 or 0,159                    conceal and 128 or 0,160                    strike and 256 or 0,161                    underline2 and 512 or 0,162                    frame and 1024 or 0,163                    encircle and 2048 or 0,164                    overline and 4096 or 0,165                )166            )167            if self._set_attributes168            else 0169        )170        self._link = link171        self._link_id = f"{randint(0, 999999)}" if link else ""172        self._meta = None if meta is None else dumps(meta)173        self._hash = hash(174            (175                self._color,176                self._bgcolor,177                self._attributes,178                self._set_attributes,179                link,180                self._meta,181            )182        )183        self._null = not (self._set_attributes or color or bgcolor or link or meta)184    @classmethod185    def null(cls) -> "Style":186        """Create an 'null' style, equivalent to Style(), but more performant."""187        return NULL_STYLE188    @classmethod189    def from_color(190        cls, color: Optional[Color] = None, bgcolor: Optional[Color] = None191    ) -> "Style":192        """Create a new style with colors and no attributes.193        Returns:194            color (Optional[Color]): A (foreground) color, or None for no color. Defaults to None.195            bgcolor (Optional[Color]): A (background) color, or None for no color. Defaults to None.196        """197        style: Style = cls.__new__(Style)198        style._ansi = None199        style._style_definition = None200        style._color = color201        style._bgcolor = bgcolor202        style._set_attributes = 0203        style._attributes = 0204        style._link = None205        style._link_id = ""206        style._meta = None207        style._hash = hash(208            (209                color,210                bgcolor,211                None,212                None,213                None,214                None,215            )216        )217        style._null = not (color or bgcolor)218        return style219    @classmethod220    def from_meta(cls, meta: Optional[Dict[str, Any]]) -> "Style":221        """Create a new style with meta data.222        Returns:223            meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.224        """225        style: Style = cls.__new__(Style)226        style._ansi = None227        style._style_definition = None228        style._color = None229        style._bgcolor = None230        style._set_attributes = 0231        style._attributes = 0232        style._link = None233        style._link_id = ""234        style._meta = dumps(meta)235        style._hash = hash(236            (237                None,238                None,239                None,240                None,241                None,242                style._meta,243            )244        )245        style._null = not (meta)246        return style247    @classmethod248    def on(cls, meta: Optional[Dict[str, Any]] = None, **handlers: Any) -> "Style":249        """Create a blank style with meta information.250        Example:251            style = Style.on(click=self.on_click)252        Args:253            meta (Optiona[Dict[str, Any]], optional): An optional dict of meta information.254            **handlers (Any): Keyword arguments are translated in to handlers.255        Returns:256            Style: A Style with meta information attached.257        """258        meta = {} if meta is None else meta259        meta.update({f"@{key}": value for key, value in handlers.items()})260        return cls.from_meta(meta)261    bold = _Bit(0)262    dim = _Bit(1)263    italic = _Bit(2)264    underline = _Bit(3)265    blink = _Bit(4)266    blink2 = _Bit(5)267    reverse = _Bit(6)268    conceal = _Bit(7)269    strike = _Bit(8)270    underline2 = _Bit(9)271    frame = _Bit(10)272    encircle = _Bit(11)273    overline = _Bit(12)274    @property275    def link_id(self) -> str:276        """Get a link id, used in ansi code for links."""277        return self._link_id278    def __str__(self) -> str:279        """Re-generate style definition from attributes."""280        if self._style_definition is None:281            attributes: List[str] = []282            append = attributes.append283            bits = self._set_attributes284            if bits & 0b0000000001111:285                if bits & 1:286                    append("bold" if self.bold else "not bold")287                if bits & (1 << 1):288                    append("dim" if self.dim else "not dim")289                if bits & (1 << 2):290                    append("italic" if self.italic else "not italic")291                if bits & (1 << 3):292                    append("underline" if self.underline else "not underline")293            if bits & 0b0000111110000:294                if bits & (1 << 4):295                    append("blink" if self.blink else "not blink")296                if bits & (1 << 5):297                    append("blink2" if self.blink2 else "not blink2")298                if bits & (1 << 6):299                    append("reverse" if self.reverse else "not reverse")300                if bits & (1 << 7):301                    append("conceal" if self.conceal else "not conceal")302                if bits & (1 << 8):303                    append("strike" if self.strike else "not strike")304            if bits & 0b1111000000000:305                if bits & (1 << 9):306                    append("underline2" if self.underline2 else "not underline2")307                if bits & (1 << 10):308                    append("frame" if self.frame else "not frame")309                if bits & (1 << 11):310                    append("encircle" if self.encircle else "not encircle")311                if bits & (1 << 12):312                    append("overline" if self.overline else "not overline")313            if self._color is not None:314                append(self._color.name)315            if self._bgcolor is not None:316                append("on")317                append(self._bgcolor.name)318            if self._link:319                append("link")320                append(self._link)321            self._style_definition = " ".join(attributes) or "none"322        return self._style_definition323    def __bool__(self) -> bool:324        """A Style is false if it has no attributes, colors, or links."""325        return not self._null326    def _make_ansi_codes(self, color_system: ColorSystem) -> str:327        """Generate ANSI codes for this style.328        Args:329            color_system (ColorSystem): Color system.330        Returns:331            str: String containing codes.332        """333        if self._ansi is None:334            sgr: List[str] = []335            append = sgr.append336            _style_map = self._style_map337            attributes = self._attributes & self._set_attributes338            if attributes:339                if attributes & 1:340                    append(_style_map[0])341                if attributes & 2:342                    append(_style_map[1])343                if attributes & 4:344                    append(_style_map[2])345                if attributes & 8:346                    append(_style_map[3])347                if attributes & 0b0000111110000:348                    for bit in range(4, 9):349                        if attributes & (1 << bit):350                            append(_style_map[bit])351                if attributes & 0b1111000000000:352                    for bit in range(9, 13):353                        if attributes & (1 << bit):354                            append(_style_map[bit])355            if self._color is not None:356                sgr.extend(self._color.downgrade(color_system).get_ansi_codes())357            if self._bgcolor is not None:358                sgr.extend(359                    self._bgcolor.downgrade(color_system).get_ansi_codes(360                        foreground=False361                    )362                )363            self._ansi = ";".join(sgr)364        return self._ansi365    @classmethod366    @lru_cache(maxsize=1024)367    def normalize(cls, style: str) -> str:368        """Normalize a style definition so that styles with the same effect have the same string369        representation.370        Args:371            style (str): A style definition.372        Returns:373            str: Normal form of style definition.374        """375        try:376            return str(cls.parse(style))377        except errors.StyleSyntaxError:378            return style.strip().lower()379    @classmethod380    def pick_first(cls, *values: Optional[StyleType]) -> StyleType:381        """Pick first non-None style."""382        for value in values:383            if value is not None:384                return value385        raise ValueError("expected at least one non-None style")386    def __rich_repr__(self) -> Result:387        yield "color", self.color, None388        yield "bgcolor", self.bgcolor, None389        yield "bold", self.bold, None,390        yield "dim", self.dim, None,391        yield "italic", self.italic, None392        yield "underline", self.underline, None,393        yield "blink", self.blink, None394        yield "blink2", self.blink2, None395        yield "reverse", self.reverse, None396        yield "conceal", self.conceal, None397        yield "strike", self.strike, None398        yield "underline2", self.underline2, None399        yield "frame", self.frame, None400        yield "encircle", self.encircle, None401        yield "link", self.link, None402        if self._meta:403            yield "meta", self.meta404    def __eq__(self, other: Any) -> bool:405        if not isinstance(other, Style):406            return NotImplemented407        return (408            self._color == other._color409            and self._bgcolor == other._bgcolor410            and self._set_attributes == other._set_attributes411            and self._attributes == other._attributes412            and self._link == other._link413            and self._meta == other._meta414        )415    def __hash__(self) -> int:416        return self._hash417    @property418    def color(self) -> Optional[Color]:419        """The foreground color or None if it is not set."""420        return self._color421    @property422    def bgcolor(self) -> Optional[Color]:423        """The background color or None if it is not set."""424        return self._bgcolor425    @property426    def link(self) -> Optional[str]:427        """Link text, if set."""428        return self._link429    @property430    def transparent_background(self) -> bool:431        """Check if the style specified a transparent background."""432        return self.bgcolor is None or self.bgcolor.is_default433    @property434    def background_style(self) -> "Style":435        """A Style with background only."""436        return Style(bgcolor=self.bgcolor)437    @property438    def meta(self) -> Dict[str, Any]:439        """Get meta information (can not be changed after construction)."""440        return {} if self._meta is None else cast(Dict[str, Any], loads(self._meta))441    @property442    def without_color(self) -> "Style":443        """Get a copy of the style with color removed."""444        if self._null:445            return NULL_STYLE446        style: Style = self.__new__(Style)447        style._ansi = None448        style._style_definition = None449        style._color = None450        style._bgcolor = None451        style._attributes = self._attributes452        style._set_attributes = self._set_attributes453        style._link = self._link454        style._link_id = f"{randint(0, 999999)}" if self._link else ""455        style._hash = self._hash456        style._null = False457        style._meta = None458        return style459    @classmethod460    @lru_cache(maxsize=4096)461    def parse(cls, style_definition: str) -> "Style":462        """Parse a style definition.463        Args:464            style_definition (str): A string containing a style.465        Raises:466            errors.StyleSyntaxError: If the style definition syntax is invalid.467        Returns:468            `Style`: A Style instance.469        """470        if style_definition.strip() == "none" or not style_definition:471            return cls.null()472        STYLE_ATTRIBUTES = cls.STYLE_ATTRIBUTES473        color: Optional[str] = None474        bgcolor: Optional[str] = None475        attributes: Dict[str, Optional[Any]] = {}476        link: Optional[str] = None477        words = iter(style_definition.split())478        for original_word in words:479            word = original_word.lower()480            if word == "on":481                word = next(words, "")482                if not word:483                    raise errors.StyleSyntaxError("color expected after 'on'")484                try:485                    Color.parse(word) is None486                except ColorParseError as error:487                    raise errors.StyleSyntaxError(488                        f"unable to parse {word!r} as background color; {error}"489                    ) from None490                bgcolor = word491            elif word == "not":492                word = next(words, "")493                attribute = STYLE_ATTRIBUTES.get(word)494                if attribute is None:495                    raise errors.StyleSyntaxError(496                        f"expected style attribute after 'not', found {word!r}"497                    )498                attributes[attribute] = False499            elif word == "link":500                word = next(words, "")501                if not word:502                    raise errors.StyleSyntaxError("URL expected after 'link'")503                link = word504            elif word in STYLE_ATTRIBUTES:505                attributes[STYLE_ATTRIBUTES[word]] = True506            else:507                try:508                    Color.parse(word)509                except ColorParseError as error:510                    raise errors.StyleSyntaxError(511                        f"unable to parse {word!r} as color; {error}"512                    ) from None513                color = word514        style = Style(color=color, bgcolor=bgcolor, link=link, **attributes)515        return style516    @lru_cache(maxsize=1024)517    def get_html_style(self, theme: Optional[TerminalTheme] = None) -> str:518        """Get a CSS style rule."""519        theme = theme or DEFAULT_TERMINAL_THEME520        css: List[str] = []521        append = css.append522        color = self.color523        bgcolor = self.bgcolor524        if self.reverse:525            color, bgcolor = bgcolor, color526        if self.dim:527            foreground_color = (528                theme.foreground_color if color is None else color.get_truecolor(theme)529            )530            color = Color.from_triplet(531                blend_rgb(foreground_color, theme.background_color, 0.5)532            )533        if color is not None:534            theme_color = color.get_truecolor(theme)535            append(f"color: {theme_color.hex}")536            append(f"text-decoration-color: {theme_color.hex}")537        if bgcolor is not None:538            theme_color = bgcolor.get_truecolor(theme, foreground=False)539            append(f"background-color: {theme_color.hex}")540        if self.bold:541            append("font-weight: bold")542        if self.italic:543            append("font-style: italic")544        if self.underline:545            append("text-decoration: underline")546        if self.strike:547            append("text-decoration: line-through")548        if self.overline:549            append("text-decoration: overline")550        return "; ".join(css)551    @classmethod552    def combine(cls, styles: Iterable["Style"]) -> "Style":553        """Combine styles and get result.554        Args:555            styles (Iterable[Style]): Styles to combine.556        Returns:557            Style: A new style instance.558        """559        iter_styles = iter(styles)560        return sum(iter_styles, next(iter_styles))561    @classmethod562    def chain(cls, *styles: "Style") -> "Style":563        """Combine styles from positional argument in to a single style.564        Args:565            *styles (Iterable[Style]): Styles to combine.566        Returns:567            Style: A new style instance.568        """569        iter_styles = iter(styles)570        return sum(iter_styles, next(iter_styles))571    def copy(self) -> "Style":572        """Get a copy of this style.573        Returns:574            Style: A new Style instance with identical attributes.575        """576        if self._null:577            return NULL_STYLE578        style: Style = self.__new__(Style)579        style._ansi = self._ansi580        style._style_definition = self._style_definition581        style._color = self._color582        style._bgcolor = self._bgcolor583        style._attributes = self._attributes584        style._set_attributes = self._set_attributes585        style._link = self._link586        style._link_id = f"{randint(0, 999999)}" if self._link else ""587        style._hash = self._hash588        style._null = False589        style._meta = self._meta590        return style591    def update_link(self, link: Optional[str] = None) -> "Style":592        """Get a copy with a different value for link.593        Args:594            link (str, optional): New value for link. Defaults to None.595        Returns:596            Style: A new Style instance.597        """598        style: Style = self.__new__(Style)599        style._ansi = self._ansi600        style._style_definition = self._style_definition601        style._color = self._color602        style._bgcolor = self._bgcolor603        style._attributes = self._attributes604        style._set_attributes = self._set_attributes605        style._link = link606        style._link_id = f"{randint(0, 999999)}" if link else ""607        style._hash = self._hash608        style._null = False609        style._meta = self._meta610        return style611    def render(612        self,613        text: str = "",614        *,615        color_system: Optional[ColorSystem] = ColorSystem.TRUECOLOR,616        legacy_windows: bool = False,617    ) -> str:618        """Render the ANSI codes for the style.619        Args:620            text (str, optional): A string to style. Defaults to "".621            color_system (Optional[ColorSystem], optional): Color system to render to. Defaults to ColorSystem.TRUECOLOR.622        Returns:623            str: A string containing ANSI style codes.624        """625        if not text or color_system is None:626            return text627        attrs = self._make_ansi_codes(color_system)628        rendered = f"\x1b[{attrs}m{text}\x1b[0m" if attrs else text629        if self._link and not legacy_windows:630            rendered = (631                f"\x1b]8;id={self._link_id};{self._link}\x1b\\{rendered}\x1b]8;;\x1b\\"632            )633        return rendered634    def test(self, text: Optional[str] = None) -> None:635        """Write text with style directly to terminal.636        This method is for testing purposes only.637        Args:638            text (Optional[str], optional): Text to style or None for style name.639        """640        text = text or str(self)641        sys.stdout.write(f"{self.render(text)}\n")642    def __add__(self, style: Optional["Style"]) -> "Style":643        if not (isinstance(style, Style) or style is None):644            return NotImplemented645        if style is None or style._null:646            return self647        if self._null:648            return style649        new_style: Style = self.__new__(Style)650        new_style._ansi = None651        new_style._style_definition = None652        new_style._color = style._color or self._color653        new_style._bgcolor = style._bgcolor or self._bgcolor654        new_style._attributes = (self._attributes & ~style._set_attributes) | (655            style._attributes & style._set_attributes656        )657        new_style._set_attributes = self._set_attributes | style._set_attributes658        new_style._link = style._link or self._link659        new_style._link_id = style._link_id or self._link_id660        new_style._hash = style._hash661        new_style._null = self._null or style._null662        if self._meta and style._meta:663            new_style._meta = dumps({**self.meta, **style.meta})664        else:665            new_style._meta = self._meta or style._meta666        return new_style667NULL_STYLE = Style()668class StyleStack:669    """A stack of styles."""670    __slots__ = ["_stack"]671    def __init__(self, default_style: "Style") -> None:672        self._stack: List[Style] = [default_style]673    def __repr__(self) -> str:674        return f"<stylestack {self._stack!r}>"675    @property676    def current(self) -> Style:677        """Get the Style at the top of the stack."""678        return self._stack[-1]679    def push(self, style: Style) -> None:680        """Push a new style on to the stack.681        Args:682            style (Style): New style to combine with current style.683        """684        self._stack.append(self._stack[-1] + style)685    def pop(self) -> Style:686        """Pop last style and discard.687        Returns:688            Style: New current style (also available as stack.current)689        """690        self._stack.pop()...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.