BoghdadyJR/codesearch_python · Datasets at Hugging Face

text stringlengths 75 104k
def compute_positions(cls, screen_width, line): """Compute the relative position of the fields on a given line. Args: screen_width (int): the width of the screen line (mpdlcd.display_fields.Field list): the list of fields on the line Returns: ...
def add_to_screen(self, screen_width, screen): """Add the pattern to a screen. Also fills self.widgets. Args: screen_width (int): the width of the screen screen (lcdprod.Screen): the screen to fill. """ for lineno, fields in enumerate(self.line_fields): ...
def register_hooks(self, field): """Register a field on its target hooks.""" for hook, subhooks in field.register_hooks(): self.hooks[hook].append(field) self.subhooks[hook] \|= set(subhooks)
def hook_changed(self, hook, new_data): """Called whenever the data for a hook changed.""" for field in self.hooks[hook]: widget = self.widgets[field] field.hook_changed(hook, widget, new_data)
def parse_line(self, line): """Parse a line of text. A format contains fields, within curly brackets, and free text. Maximum one 'variable width' field is allowed per line. You cannot use the '{' or '}' characters in the various text/... fields. Format: '''{<field_k...
def add(self, pattern_txt): """Add a pattern to the list. Args: pattern_txt (str list): the pattern, as a list of lines. """ self.patterns[len(pattern_txt)] = pattern_txt low = 0 high = len(pattern_txt) - 1 while not pattern_txt[low]: lo...
def _arcball(xy, wh): """Convert x,y coordinates to w,x,y,z Quaternion parameters Adapted from: linalg library Copyright (c) 2010-2015, Renaud Blanch <rndblnch at gmail dot com> Licence at your convenience: GPLv3 or higher <http://www.gnu.org/licenses/gpl.html> BSD new <http://opensource....
def _update_rotation(self, event): """Update rotation parmeters based on mouse movement""" p2 = event.mouse_event.pos if self._event_value is None: self._event_value = p2 wh = self._viewbox.size self._quaternion = (Quaternion(_arcball(p2, wh)) ...
def _rotate_tr(self): """Rotate the transformation matrix based on camera parameters""" rot, x, y, z = self._quaternion.get_axis_angle() up, forward, right = self._get_dim_vectors() self.transform.rotate(180 * rot / np.pi, (x, z, y))
def _dist_to_trans(self, dist): """Convert mouse x, y movement into x, y, z translations""" rot, x, y, z = self._quaternion.get_axis_angle() tr = MatrixTransform() tr.rotate(180 * rot / np.pi, (x, y, z)) dx, dz, dy = np.dot(tr.matrix[:3, :3], (dist[0], dist[1], 0.)) retur...
def arg_to_array(func): """ Decorator to convert argument to array. Parameters ---------- func : function The function to decorate. Returns ------- func : function The decorated function. """ def fn(self, arg, args, *kwargs): """Function Param...
def as_vec4(obj, default=(0, 0, 0, 1)): """ Convert `obj` to 4-element vector (numpy array with shape[-1] == 4) Parameters ---------- obj : array-like Original object. default : array-like The defaults to use if the object does not have 4 entries. Returns ------- ob...
def arg_to_vec4(func, self_, arg, args, *kwargs): """ Decorator for converting argument to vec4 format suitable for 4x4 matrix multiplication. [x, y] => [[x, y, 0, 1]] [x, y, z] => [[x, y, z, 1]] [[x1, y1], [[x1, y1, 0, 1], [x2, y2], => [x2, y2, 0, 1], [x3, y3]] ...
def get(self, path): """ Get a transform from the cache that maps along path, which must be a list of Transforms to apply in reverse order (last transform is applied first). Accessed items have their age reset to 0. """ key = tuple(map(id, path)) item = self._c...
def roll(self): """ Increase the age of all items in the cache by 1. Items whose age is greater than self.max_age will be removed from the cache. """ rem = [] for key, item in self._cache.items(): if item[0] > self.max_age: rem.append(key) ...
def histogram(self, data, bins=10, color='w', orientation='h'): """Calculate and show a histogram of data Parameters ---------- data : array-like Data to histogram. Currently only 1D data is supported. bins : int \| array-like Number of bins, or bin edges....
def image(self, data, cmap='cubehelix', clim='auto', fg_color=None): """Show an image Parameters ---------- data : ndarray Should have shape (N, M), (N, M, 3) or (N, M, 4). cmap : str Colormap name. clim : str \| tuple Colormap limits. ...
def mesh(self, vertices=None, faces=None, vertex_colors=None, face_colors=None, color=(0.5, 0.5, 1.), fname=None, meshdata=None): """Show a 3D mesh Parameters ---------- vertices : array Vertices. faces : array \| None Face defini...
def plot(self, data, color='k', symbol=None, line_kind='-', width=1., marker_size=10., edge_color='k', face_color='b', edge_width=1., title=None, xlabel=None, ylabel=None): """Plot a series of data using lines and markers Parameters ---------- data : array \| tw...
def spectrogram(self, x, n_fft=256, step=None, fs=1., window='hann', color_scale='log', cmap='cubehelix', clim='auto'): """Calculate and show a spectrogram Parameters ---------- x : array-like 1D signal to operate on. ``If len(x) < n_fft``, x will be ...
def volume(self, vol, clim=None, method='mip', threshold=None, cmap='grays'): """Show a 3D volume Parameters ---------- vol : ndarray Volume to render. clim : tuple of two floats \| None The contrast limits. The values in the volume are mapp...
def surface(self, zdata, **kwargs): """Show a 3D surface plot. Extra keyword arguments are passed to `SurfacePlot()`. Parameters ---------- zdata : array-like A 2D array of the surface Z values. """ self._configure_3d() surf = scene.SurfaceP...
def colorbar(self, cmap, position="right", label="", clim=("", ""), border_width=0.0, border_color="black", **kwargs): """Show a ColorBar Parameters ---------- cmap : str \| vispy.color.ColorMap Either the name of the ColorMa...
def redraw(self): """ Redraw the Vispy canvas """ if self._multiscat is not None: self._multiscat._update() self.vispy_widget.canvas.update()
def remove(self): """ Remove the layer artist from the visualization """ if self._multiscat is None: return self._multiscat.deallocate(self.id) self._multiscat = None self._viewer_state.remove_global_callback(self._update_scatter) self.state...
def _check_valid(key, val, valid): """Helper to check valid options""" if val not in valid: raise ValueError('%s must be one of %s, not "%s"' % (key, valid, val))
def _to_args(x): """Convert to args representation""" if not isinstance(x, (list, tuple, np.ndarray)): x = [x] return x
def _check_conversion(key, valid_dict): """Check for existence of key in dict, return value or raise error""" if key not in valid_dict and key not in valid_dict.values(): # Only show users the nice string values keys = [v for v in valid_dict.keys() if isinstance(v, string_types)] raise V...
def read_pixels(viewport=None, alpha=True, out_type='unsigned_byte'): """Read pixels from the currently selected buffer. Under most circumstances, this function reads from the front buffer. Unlike all other functions in vispy.gloo, this function directly executes an OpenGL command. Parameters...
def get_gl_configuration(): """Read the current gl configuration This function uses constants that are not in the OpenGL ES 2.1 namespace, so only use this on desktop systems. Returns ------- config : dict The currently active OpenGL configuration. """ # XXX eventually maybe we...
def set_viewport(self, args): """Set the OpenGL viewport This is a wrapper for gl.glViewport. Parameters ---------- args : tuple X and Y coordinates, plus width and height. Can be passed in as individual components, or as a single tuple with fo...
def set_depth_range(self, near=0., far=1.): """Set depth values Parameters ---------- near : float Near clipping plane. far : float Far clipping plane. """ self.glir.command('FUNC', 'glDepthRange', float(near), float(far))
def set_line_width(self, width=1.): """Set line width Parameters ---------- width : float The line width. """ width = float(width) if width < 0: raise RuntimeError('Cannot have width < 0') self.glir.command('FUNC', 'glLineWidth...
def set_polygon_offset(self, factor=0., units=0.): """Set the scale and units used to calculate depth values Parameters ---------- factor : float Scale factor used to create a variable depth offset for each polygon. units : float Multiplie...
def clear(self, color=True, depth=True, stencil=True): """Clear the screen buffers This is a wrapper for gl.glClear. Parameters ---------- color : bool \| str \| tuple \| instance of Color Clear the color buffer bit. If not bool, ``set_clear_color`` will ...
def set_clear_color(self, color='black', alpha=None): """Set the screen clear color This is a wrapper for gl.glClearColor. Parameters ---------- color : str \| tuple \| instance of Color Color to use. See vispy.color.Color for options. alpha : float \| None ...
def set_blend_func(self, srgb='one', drgb='zero', salpha=None, dalpha=None): """Specify pixel arithmetic for RGB and alpha Parameters ---------- srgb : str Source RGB factor. drgb : str Destination RGB factor. salpha : s...
def set_blend_equation(self, mode_rgb, mode_alpha=None): """Specify the equation for RGB and alpha blending Parameters ---------- mode_rgb : str Mode for RGB. mode_alpha : str \| None Mode for Alpha. If None, ``mode_rgb`` is used. Notes ...
def set_scissor(self, x, y, w, h): """Define the scissor box Parameters ---------- x : int Left corner of the box. y : int Lower corner of the box. w : int The width of the box. h : int The height of the box. ...
def set_stencil_func(self, func='always', ref=0, mask=8, face='front_and_back'): """Set front or back function and reference value Parameters ---------- func : str See set_stencil_func. ref : int Reference value for the stenc...
def set_stencil_mask(self, mask=8, face='front_and_back'): """Control the front or back writing of individual bits in the stencil Parameters ---------- mask : int Mask that is ANDed with ref and stored stencil value. face : str Can be 'front', 'back',...
def set_stencil_op(self, sfail='keep', dpfail='keep', dppass='keep', face='front_and_back'): """Set front or back stencil test actions Parameters ---------- sfail : str Action to take when the stencil fails. Must be one of 'keep', 'zero...
def set_color_mask(self, red, green, blue, alpha): """Toggle writing of frame buffer color components Parameters ---------- red : bool Red toggle. green : bool Green toggle. blue : bool Blue toggle. alpha : bool ...
def set_sample_coverage(self, value=1.0, invert=False): """Specify multisample coverage parameters Parameters ---------- value : float Sample coverage value (will be clamped between 0. and 1.). invert : bool Specify if the coverage masks should be inv...
def set_state(self, preset=None, **kwargs): """Set OpenGL rendering state, optionally using a preset Parameters ---------- preset : str \| None Can be one of ('opaque', 'translucent', 'additive') to use use reasonable defaults for these typical use cases. ...
def finish(self): """Wait for GL commands to to finish This creates a GLIR command for glFinish and then processes the GLIR commands. If the GLIR interpreter is remote (e.g. WebGL), this function will return before GL has finished processing the commands. """ if ...
def flush(self): """Flush GL commands This is a wrapper for glFlush(). This also flushes the GLIR command queue. """ if hasattr(self, 'flush_commands'): context = self else: context = get_current_canvas().context context.glir.command('...
def set_hint(self, target, mode): """Set OpenGL drawing hint Parameters ---------- target : str The target, e.g. 'fog_hint', 'line_smooth_hint', 'point_smooth_hint'. mode : str The mode to set (e.g., 'fastest', 'nicest', 'dont_care'). ...
def glir(self): """ The GLIR queue corresponding to the current canvas """ canvas = get_current_canvas() if canvas is None: msg = ("If you want to use gloo without vispy.app, " + "use a gloo.context.FakeCanvas.") raise RuntimeError('Gloo requir...
def use_gl(target='gl2'): """ Let Vispy use the target OpenGL ES 2.0 implementation Also see ``vispy.use()``. Parameters ---------- target : str The target GL backend to use. Available backends: * gl2 - Use ES 2.0 subset of desktop (i.e. normal) OpenGL * gl+ - Use the ...
def _clear_namespace(): """ Clear names that are not part of the strict ES API """ ok_names = set(default_backend.__dict__) ok_names.update(['gl2', 'glplus']) # don't remove the module NS = globals() for name in list(NS.keys()): if name.lower().startswith('gl'): if name not ...
def _copy_gl_functions(source, dest, constants=False): """ Inject all objects that start with 'gl' from the source into the dest. source and dest can be dicts, modules or BaseGLProxy's. """ # Get dicts if isinstance(source, BaseGLProxy): s = {} for key in dir(source): s[k...
def check_error(when='periodic check'): """ Check this from time to time to detect GL errors. Parameters ---------- when : str Shown in the exception to help the developer determine when this check was done. """ errors = [] while True: err = glGetError() if ...
def _arg_repr(self, arg): """ Get a useful (and not too large) represetation of an argument. """ r = repr(arg) max = 40 if len(r) > max: if hasattr(arg, 'shape'): r = 'array:' + 'x'.join([repr(s) for s in arg.shape]) else: r...
def set_data(self, data): """ Set the scalar array data Parameters ---------- data : ndarray A 2D array of scalar values. The isocurve is constructed to show all locations in the scalar field equal to ``self.levels``. """ self._data = data ...
def _get_verts_and_connect(self, paths): """ retrieve vertices and connects from given paths-list """ verts = np.vstack(paths) gaps = np.add.accumulate(np.array([len(x) for x in paths])) - 1 connect = np.ones(gaps[-1], dtype=bool) connect[gaps[:-1]] = False return...
def _compute_iso_line(self): """ compute LineVisual vertices, connects and color-index """ level_index = [] connects = [] verts = [] # calculate which level are within data range # this works for now and the existing examples, but should be tested # thoro...
def connect(self, callback, ref=False, position='first', before=None, after=None): """Connect this emitter to a new callback. Parameters ---------- callback : function \| tuple callback may be either a callable object or a tuple (object, attr_nam...
def disconnect(self, callback=None): """Disconnect a callback from this emitter. If no callback is specified, then all callbacks are removed. If the callback was not already connected, then the call does nothing. """ if callback is None: self._callbacks = [] ...
def block(self, callback=None): """Block this emitter. Any attempts to emit an event while blocked will be silently ignored. If callback is given, then the emitter is only blocked for that specific callback. Calls to block are cumulative; the emitter must be unblocked the same ...
def unblock(self, callback=None): """ Unblock this emitter. See :func:`event.EventEmitter.block`. Note: Use of ``unblock(None)`` only reverses the effect of ``block(None)``; it does not unblock callbacks that were explicitly blocked using ``block(callback)``. """ ...
def add(self, auto_connect=None, **kwargs): """ Add one or more EventEmitter instances to this emitter group. Each keyword argument may be specified as either an EventEmitter instance or an Event subclass, in which case an EventEmitter will be generated automatically:: # Thi...
def block_all(self): """ Block all emitters in this group. """ self.block() for em in self._emitters.values(): em.block()
def unblock_all(self): """ Unblock all emitters in this group. """ self.unblock() for em in self._emitters.values(): em.unblock()
def connect(self, callback, ref=False, position='first', before=None, after=None): """ Connect the callback to the event group. The callback will receive events from all of the emitters in the group. See :func:`EventEmitter.connect() <vispy.event.EventEmitter.connect>` ...
def disconnect(self, callback=None): """ Disconnect the callback from this group. See :func:`connect() <vispy.event.EmitterGroup.connect>` and :func:`EventEmitter.connect() <vispy.event.EventEmitter.connect>` for more information. """ ret = EventEmitter.disconnect(self, c...
def validate_input_format(utterance, intent): """ TODO add handling for bad input""" slots = {slot["name"] for slot in intent["slots"]} split_utt = re.split("{(.*)}", utterance) banned = set("-/\\()^%$#@~`-_=+><;:") # Banned characters for token in split_utt: if (banned & set(token)): ...
def isosurface(data, level): """ Generate isosurface from volumetric data using marching cubes algorithm. See Paul Bourke, "Polygonising a Scalar Field" (http://paulbourke.net/geometry/polygonise/) data 3D numpy array of scalar values level The level at which to generate an isosurf...
def _extract_buffers(commands): """Extract all data buffers from the list of GLIR commands, and replace them by buffer pointers {buffer: <buffer_index>}. Return the modified list # of GILR commands and the list of buffers as well.""" # First, filter all DATA commands. data_commands = [command for co...
def _serialize_item(item): """Internal function: serialize native types.""" # Recursively serialize lists, tuples, and dicts. if isinstance(item, (list, tuple)): return [_serialize_item(subitem) for subitem in item] elif isinstance(item, dict): return dict([(key, _serialize_item(value)) ...
def create_glir_message(commands, array_serialization=None): """Create a JSON-serializable message of GLIR commands. NumPy arrays are serialized according to the specified method. Arguments --------- commands : list List of GLIR commands. array_serialization : string or None Se...
def start_session(self): """ Start Session """ response = self.request("hello") bits = response.split(" ") self.server_info.update({ "server_version": bits[2], "protocol_version": bits[4], "screen_width": int(bits[7]), "screen_height": int...
def request(self, command_string): """ Request """ self.send(command_string) if self.debug: print("Telnet Request: %s" % (command_string)) while True: response = urllib.parse.unquote(self.tn.read_until(b"\n").decode()) if "success" in response: # N...
def add_screen(self, ref): """ Add Screen """ if ref not in self.screens: screen = Screen(self, ref) screen.clear() # TODO Check this is needed, new screens should be clear. self.screens[ref] = screen return self.screens[ref]
def add_key(self, ref, mode="shared"): """ Add a key. (ref) Return key name or None on error """ if ref not in self.keys: response = self.request("client_add_key %s -%s" % (ref, mode)) if "success" not in response: return None ...
def del_key(self, ref): """ Delete a key. (ref) Return None or LCDd response on error """ if ref not in self.keys: response = self.request("client_del_key %s" % (ref)) self.keys.remove(ref) if "success" in response: ret...
def launch(self): """launch browser and virtual display, first of all to be launched""" try: # init virtual Display self.vbro = Display() self.vbro.start() logger.debug("virtual display launched") except Exception: raise exceptions.VBro...
def css(self, css_path, dom=None): """css find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_css, args=[css_path])
def css1(self, css_path, dom=None): """return the first value of self.css""" if dom is None: dom = self.browser def _css1(path, domm): """virtual local func""" return self.css(path, domm)[0] return expect(_css1, args=[css_path, dom])
def search_name(self, name, dom=None): """name find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_name, args=[name])
def xpath(self, xpath, dom=None): """xpath find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_xpath, args=[xpath])
def elCss(self, css_path, dom=None): """check if element is present by css""" if dom is None: dom = self.browser return expect(dom.is_element_present_by_css, args=[css_path])
def elXpath(self, xpath, dom=None): """check if element is present by css""" if dom is None: dom = self.browser return expect(dom.is_element_present_by_xpath, args=[xpath])
def login(self, username, password, mode="demo"): """login function""" url = "https://trading212.com/it/login" try: logger.debug(f"visiting %s" % url) self.browser.visit(url) logger.debug(f"connected to %s" % url) except selenium.common.exceptions.WebD...
def logout(self): """logout func (quit browser)""" try: self.browser.quit() except Exception: raise exceptions.BrowserException(self.brow_name, "not started") return False self.vbro.stop() logger.info("logged out") return True
def new_pos(self, html_div): """factory method pattern""" pos = self.Position(self, html_div) pos.bind_mov() self.positions.append(pos) return pos
def _make_hostport(conn, default_host, default_port, default_user='', default_password=None): """Convert a '[user[:pass]@]host:port' string to a Connection tuple. If the given connection is empty, use defaults. If no port is given, use the default. Args: conn (str): the string describing the t...
def _make_lcdproc( lcd_host, lcd_port, retry_config, charset=DEFAULT_LCDPROC_CHARSET, lcdd_debug=False): """Create and connect to the LCDd server. Args: lcd_host (str): the hostname to connect to lcd_prot (int): the port to connect to charset (str): the charset to use wh...
def _make_patterns(patterns): """Create a ScreenPatternList from a given pattern text. Args: pattern_txt (str list): the patterns Returns: mpdlcd.display_pattern.ScreenPatternList: a list of patterns from the given entries. """ field_registry = display_fields.FieldRegis...
def run_forever( lcdproc='', mpd='', lcdproc_screen=DEFAULT_LCD_SCREEN_NAME, lcdproc_charset=DEFAULT_LCDPROC_CHARSET, lcdd_debug=False, pattern='', patterns=[], refresh=DEFAULT_REFRESH, backlight_on=DEFAULT_BACKLIGHT_ON, priority_playing=DEFAULT_PRIORITY, ...
def _read_config(filename): """Read configuration from the given file. Parsing is performed through the configparser library. Returns: dict: a flattened dict of (option_name, value), using defaults. """ parser = configparser.RawConfigParser() if filename and not parser.read(filename): ...
def _extract_options(config, options, *args): """Extract options values from a configparser, optparse pair. Options given on command line take precedence over options read in the configuration file. Args: config (dict): option values read from a config file through configparser ...
def resize(self, shape, format=None): """ Set the render-buffer size and format Parameters ---------- shape : tuple of integers New shape in yx order. A render buffer is always 2D. For symmetry with the texture class, a 3-element tuple can also be giv...
def activate(self): """ Activate/use this frame buffer. """ # Send command self._glir.command('FRAMEBUFFER', self._id, True) # Associate canvas now canvas = get_current_canvas() if canvas is not None: canvas.context.glir.associate(self.glir)
def shape(self): """ The shape of the Texture/RenderBuffer attached to this FrameBuffer """ if self.color_buffer is not None: return self.color_buffer.shape[:2] # in case its a texture if self.depth_buffer is not None: return self.depth_buffer.shape[:2] i...
def resize(self, shape): """ Resize all attached buffers with the given shape Parameters ---------- shape : tuple of two integers New buffer shape (h, w), to be applied to all currently attached buffers. For buffers that are a texture, the number of c...
def read(self, mode='color', alpha=True): """ Return array of pixel values in an attached buffer Parameters ---------- mode : str The buffer type to read. May be 'color', 'depth', or 'stencil'. alpha : bool If True, returns RGBA array. Otherwise, ...
def set_data(self, pos=None, color=None, width=None, connect=None): """ Set the data used to draw this visual. Parameters ---------- pos : array Array of shape (..., 2) or (..., 3) specifying vertex coordinates. color : Color, tuple, or array The color to...
def _compute_bounds(self, axis, view): """Get the bounds Parameters ---------- mode : str Describes the type of boundary requested. Can be "visual", "data", or "mouse". axis : 0, 1, 2 The axis along which to measure the bounding values, in ...
def _agg_bake(cls, vertices, color, closed=False): """ Bake a list of 2D vertices for rendering them as thick line. Each line segment must have its own vertices because of antialias (this means no vertex sharing between two adjacent line segments). """ n = len(vertices) ...

def compute_positions(cls, screen_width, line): """Compute the relative position of the fields on a given line. Args: screen_width (int): the width of the screen line (mpdlcd.display_fields.Field list): the list of fields on the line Returns: ...

def add_to_screen(self, screen_width, screen): """Add the pattern to a screen. Also fills self.widgets. Args: screen_width (int): the width of the screen screen (lcdprod.Screen): the screen to fill. """ for lineno, fields in enumerate(self.line_fields): ...

def register_hooks(self, field): """Register a field on its target hooks.""" for hook, subhooks in field.register_hooks(): self.hooks[hook].append(field) self.subhooks[hook] |= set(subhooks)

def hook_changed(self, hook, new_data): """Called whenever the data for a hook changed.""" for field in self.hooks[hook]: widget = self.widgets[field] field.hook_changed(hook, widget, new_data)

def parse_line(self, line): """Parse a line of text. A format contains fields, within curly brackets, and free text. Maximum one 'variable width' field is allowed per line. You cannot use the '{' or '}' characters in the various text/... fields. Format: '''{<field_k...

def add(self, pattern_txt): """Add a pattern to the list. Args: pattern_txt (str list): the pattern, as a list of lines. """ self.patterns[len(pattern_txt)] = pattern_txt low = 0 high = len(pattern_txt) - 1 while not pattern_txt[low]: lo...

def _arcball(xy, wh): """Convert x,y coordinates to w,x,y,z Quaternion parameters Adapted from: linalg library Copyright (c) 2010-2015, Renaud Blanch <rndblnch at gmail dot com> Licence at your convenience: GPLv3 or higher <http://www.gnu.org/licenses/gpl.html> BSD new <http://opensource....

def _update_rotation(self, event): """Update rotation parmeters based on mouse movement""" p2 = event.mouse_event.pos if self._event_value is None: self._event_value = p2 wh = self._viewbox.size self._quaternion = (Quaternion(*_arcball(p2, wh)) * ...

def _rotate_tr(self): """Rotate the transformation matrix based on camera parameters""" rot, x, y, z = self._quaternion.get_axis_angle() up, forward, right = self._get_dim_vectors() self.transform.rotate(180 * rot / np.pi, (x, z, y))

def _dist_to_trans(self, dist): """Convert mouse x, y movement into x, y, z translations""" rot, x, y, z = self._quaternion.get_axis_angle() tr = MatrixTransform() tr.rotate(180 * rot / np.pi, (x, y, z)) dx, dz, dy = np.dot(tr.matrix[:3, :3], (dist[0], dist[1], 0.)) retur...

def arg_to_array(func): """ Decorator to convert argument to array. Parameters ---------- func : function The function to decorate. Returns ------- func : function The decorated function. """ def fn(self, arg, *args, **kwargs): """Function Param...

def as_vec4(obj, default=(0, 0, 0, 1)): """ Convert `obj` to 4-element vector (numpy array with shape[-1] == 4) Parameters ---------- obj : array-like Original object. default : array-like The defaults to use if the object does not have 4 entries. Returns ------- ob...

def arg_to_vec4(func, self_, arg, *args, **kwargs): """ Decorator for converting argument to vec4 format suitable for 4x4 matrix multiplication. [x, y] => [[x, y, 0, 1]] [x, y, z] => [[x, y, z, 1]] [[x1, y1], [[x1, y1, 0, 1], [x2, y2], => [x2, y2, 0, 1], [x3, y3]] ...

def get(self, path): """ Get a transform from the cache that maps along *path*, which must be a list of Transforms to apply in reverse order (last transform is applied first). Accessed items have their age reset to 0. """ key = tuple(map(id, path)) item = self._c...

def roll(self): """ Increase the age of all items in the cache by 1. Items whose age is greater than self.max_age will be removed from the cache. """ rem = [] for key, item in self._cache.items(): if item[0] > self.max_age: rem.append(key) ...

def histogram(self, data, bins=10, color='w', orientation='h'): """Calculate and show a histogram of data Parameters ---------- data : array-like Data to histogram. Currently only 1D data is supported. bins : int | array-like Number of bins, or bin edges....

def image(self, data, cmap='cubehelix', clim='auto', fg_color=None): """Show an image Parameters ---------- data : ndarray Should have shape (N, M), (N, M, 3) or (N, M, 4). cmap : str Colormap name. clim : str | tuple Colormap limits. ...

def mesh(self, vertices=None, faces=None, vertex_colors=None, face_colors=None, color=(0.5, 0.5, 1.), fname=None, meshdata=None): """Show a 3D mesh Parameters ---------- vertices : array Vertices. faces : array | None Face defini...

def plot(self, data, color='k', symbol=None, line_kind='-', width=1., marker_size=10., edge_color='k', face_color='b', edge_width=1., title=None, xlabel=None, ylabel=None): """Plot a series of data using lines and markers Parameters ---------- data : array | tw...

def spectrogram(self, x, n_fft=256, step=None, fs=1., window='hann', color_scale='log', cmap='cubehelix', clim='auto'): """Calculate and show a spectrogram Parameters ---------- x : array-like 1D signal to operate on. ``If len(x) < n_fft``, x will be ...

def volume(self, vol, clim=None, method='mip', threshold=None, cmap='grays'): """Show a 3D volume Parameters ---------- vol : ndarray Volume to render. clim : tuple of two floats | None The contrast limits. The values in the volume are mapp...

def surface(self, zdata, **kwargs): """Show a 3D surface plot. Extra keyword arguments are passed to `SurfacePlot()`. Parameters ---------- zdata : array-like A 2D array of the surface Z values. """ self._configure_3d() surf = scene.SurfaceP...

def colorbar(self, cmap, position="right", label="", clim=("", ""), border_width=0.0, border_color="black", **kwargs): """Show a ColorBar Parameters ---------- cmap : str | vispy.color.ColorMap Either the name of the ColorMa...

def redraw(self): """ Redraw the Vispy canvas """ if self._multiscat is not None: self._multiscat._update() self.vispy_widget.canvas.update()

def remove(self): """ Remove the layer artist from the visualization """ if self._multiscat is None: return self._multiscat.deallocate(self.id) self._multiscat = None self._viewer_state.remove_global_callback(self._update_scatter) self.state...

def _check_valid(key, val, valid): """Helper to check valid options""" if val not in valid: raise ValueError('%s must be one of %s, not "%s"' % (key, valid, val))

def _to_args(x): """Convert to args representation""" if not isinstance(x, (list, tuple, np.ndarray)): x = [x] return x

def _check_conversion(key, valid_dict): """Check for existence of key in dict, return value or raise error""" if key not in valid_dict and key not in valid_dict.values(): # Only show users the nice string values keys = [v for v in valid_dict.keys() if isinstance(v, string_types)] raise V...

def read_pixels(viewport=None, alpha=True, out_type='unsigned_byte'): """Read pixels from the currently selected buffer. Under most circumstances, this function reads from the front buffer. Unlike all other functions in vispy.gloo, this function directly executes an OpenGL command. Parameters...

def get_gl_configuration(): """Read the current gl configuration This function uses constants that are not in the OpenGL ES 2.1 namespace, so only use this on desktop systems. Returns ------- config : dict The currently active OpenGL configuration. """ # XXX eventually maybe we...

def set_viewport(self, *args): """Set the OpenGL viewport This is a wrapper for gl.glViewport. Parameters ---------- *args : tuple X and Y coordinates, plus width and height. Can be passed in as individual components, or as a single tuple with fo...

def set_depth_range(self, near=0., far=1.): """Set depth values Parameters ---------- near : float Near clipping plane. far : float Far clipping plane. """ self.glir.command('FUNC', 'glDepthRange', float(near), float(far))

def set_line_width(self, width=1.): """Set line width Parameters ---------- width : float The line width. """ width = float(width) if width < 0: raise RuntimeError('Cannot have width < 0') self.glir.command('FUNC', 'glLineWidth...

def set_polygon_offset(self, factor=0., units=0.): """Set the scale and units used to calculate depth values Parameters ---------- factor : float Scale factor used to create a variable depth offset for each polygon. units : float Multiplie...

def clear(self, color=True, depth=True, stencil=True): """Clear the screen buffers This is a wrapper for gl.glClear. Parameters ---------- color : bool | str | tuple | instance of Color Clear the color buffer bit. If not bool, ``set_clear_color`` will ...

def set_clear_color(self, color='black', alpha=None): """Set the screen clear color This is a wrapper for gl.glClearColor. Parameters ---------- color : str | tuple | instance of Color Color to use. See vispy.color.Color for options. alpha : float | None ...

def set_blend_func(self, srgb='one', drgb='zero', salpha=None, dalpha=None): """Specify pixel arithmetic for RGB and alpha Parameters ---------- srgb : str Source RGB factor. drgb : str Destination RGB factor. salpha : s...

def set_blend_equation(self, mode_rgb, mode_alpha=None): """Specify the equation for RGB and alpha blending Parameters ---------- mode_rgb : str Mode for RGB. mode_alpha : str | None Mode for Alpha. If None, ``mode_rgb`` is used. Notes ...

def set_scissor(self, x, y, w, h): """Define the scissor box Parameters ---------- x : int Left corner of the box. y : int Lower corner of the box. w : int The width of the box. h : int The height of the box. ...

def set_stencil_func(self, func='always', ref=0, mask=8, face='front_and_back'): """Set front or back function and reference value Parameters ---------- func : str See set_stencil_func. ref : int Reference value for the stenc...

def set_stencil_mask(self, mask=8, face='front_and_back'): """Control the front or back writing of individual bits in the stencil Parameters ---------- mask : int Mask that is ANDed with ref and stored stencil value. face : str Can be 'front', 'back',...

def set_stencil_op(self, sfail='keep', dpfail='keep', dppass='keep', face='front_and_back'): """Set front or back stencil test actions Parameters ---------- sfail : str Action to take when the stencil fails. Must be one of 'keep', 'zero...

def set_color_mask(self, red, green, blue, alpha): """Toggle writing of frame buffer color components Parameters ---------- red : bool Red toggle. green : bool Green toggle. blue : bool Blue toggle. alpha : bool ...

def set_sample_coverage(self, value=1.0, invert=False): """Specify multisample coverage parameters Parameters ---------- value : float Sample coverage value (will be clamped between 0. and 1.). invert : bool Specify if the coverage masks should be inv...

def set_state(self, preset=None, **kwargs): """Set OpenGL rendering state, optionally using a preset Parameters ---------- preset : str | None Can be one of ('opaque', 'translucent', 'additive') to use use reasonable defaults for these typical use cases. ...

def finish(self): """Wait for GL commands to to finish This creates a GLIR command for glFinish and then processes the GLIR commands. If the GLIR interpreter is remote (e.g. WebGL), this function will return before GL has finished processing the commands. """ if ...

def flush(self): """Flush GL commands This is a wrapper for glFlush(). This also flushes the GLIR command queue. """ if hasattr(self, 'flush_commands'): context = self else: context = get_current_canvas().context context.glir.command('...

def set_hint(self, target, mode): """Set OpenGL drawing hint Parameters ---------- target : str The target, e.g. 'fog_hint', 'line_smooth_hint', 'point_smooth_hint'. mode : str The mode to set (e.g., 'fastest', 'nicest', 'dont_care'). ...

def glir(self): """ The GLIR queue corresponding to the current canvas """ canvas = get_current_canvas() if canvas is None: msg = ("If you want to use gloo without vispy.app, " + "use a gloo.context.FakeCanvas.") raise RuntimeError('Gloo requir...

def use_gl(target='gl2'): """ Let Vispy use the target OpenGL ES 2.0 implementation Also see ``vispy.use()``. Parameters ---------- target : str The target GL backend to use. Available backends: * gl2 - Use ES 2.0 subset of desktop (i.e. normal) OpenGL * gl+ - Use the ...

def _clear_namespace(): """ Clear names that are not part of the strict ES API """ ok_names = set(default_backend.__dict__) ok_names.update(['gl2', 'glplus']) # don't remove the module NS = globals() for name in list(NS.keys()): if name.lower().startswith('gl'): if name not ...

def _copy_gl_functions(source, dest, constants=False): """ Inject all objects that start with 'gl' from the source into the dest. source and dest can be dicts, modules or BaseGLProxy's. """ # Get dicts if isinstance(source, BaseGLProxy): s = {} for key in dir(source): s[k...

def check_error(when='periodic check'): """ Check this from time to time to detect GL errors. Parameters ---------- when : str Shown in the exception to help the developer determine when this check was done. """ errors = [] while True: err = glGetError() if ...

def _arg_repr(self, arg): """ Get a useful (and not too large) represetation of an argument. """ r = repr(arg) max = 40 if len(r) > max: if hasattr(arg, 'shape'): r = 'array:' + 'x'.join([repr(s) for s in arg.shape]) else: r...

def set_data(self, data): """ Set the scalar array data Parameters ---------- data : ndarray A 2D array of scalar values. The isocurve is constructed to show all locations in the scalar field equal to ``self.levels``. """ self._data = data ...

def _get_verts_and_connect(self, paths): """ retrieve vertices and connects from given paths-list """ verts = np.vstack(paths) gaps = np.add.accumulate(np.array([len(x) for x in paths])) - 1 connect = np.ones(gaps[-1], dtype=bool) connect[gaps[:-1]] = False return...

def _compute_iso_line(self): """ compute LineVisual vertices, connects and color-index """ level_index = [] connects = [] verts = [] # calculate which level are within data range # this works for now and the existing examples, but should be tested # thoro...

def connect(self, callback, ref=False, position='first', before=None, after=None): """Connect this emitter to a new callback. Parameters ---------- callback : function | tuple *callback* may be either a callable object or a tuple (object, attr_nam...

def disconnect(self, callback=None): """Disconnect a callback from this emitter. If no callback is specified, then *all* callbacks are removed. If the callback was not already connected, then the call does nothing. """ if callback is None: self._callbacks = [] ...

def block(self, callback=None): """Block this emitter. Any attempts to emit an event while blocked will be silently ignored. If *callback* is given, then the emitter is only blocked for that specific callback. Calls to block are cumulative; the emitter must be unblocked the same ...

def unblock(self, callback=None): """ Unblock this emitter. See :func:`event.EventEmitter.block`. Note: Use of ``unblock(None)`` only reverses the effect of ``block(None)``; it does not unblock callbacks that were explicitly blocked using ``block(callback)``. """ ...

def add(self, auto_connect=None, **kwargs): """ Add one or more EventEmitter instances to this emitter group. Each keyword argument may be specified as either an EventEmitter instance or an Event subclass, in which case an EventEmitter will be generated automatically:: # Thi...

def block_all(self): """ Block all emitters in this group. """ self.block() for em in self._emitters.values(): em.block()

def unblock_all(self): """ Unblock all emitters in this group. """ self.unblock() for em in self._emitters.values(): em.unblock()

def connect(self, callback, ref=False, position='first', before=None, after=None): """ Connect the callback to the event group. The callback will receive events from *all* of the emitters in the group. See :func:`EventEmitter.connect() <vispy.event.EventEmitter.connect>` ...

def disconnect(self, callback=None): """ Disconnect the callback from this group. See :func:`connect() <vispy.event.EmitterGroup.connect>` and :func:`EventEmitter.connect() <vispy.event.EventEmitter.connect>` for more information. """ ret = EventEmitter.disconnect(self, c...

def validate_input_format(utterance, intent): """ TODO add handling for bad input""" slots = {slot["name"] for slot in intent["slots"]} split_utt = re.split("{(.*)}", utterance) banned = set("-/\\()^%$#@~`-_=+><;:") # Banned characters for token in split_utt: if (banned & set(token)): ...

def isosurface(data, level): """ Generate isosurface from volumetric data using marching cubes algorithm. See Paul Bourke, "Polygonising a Scalar Field" (http://paulbourke.net/geometry/polygonise/) *data* 3D numpy array of scalar values *level* The level at which to generate an isosurf...

def _extract_buffers(commands): """Extract all data buffers from the list of GLIR commands, and replace them by buffer pointers {buffer: <buffer_index>}. Return the modified list # of GILR commands and the list of buffers as well.""" # First, filter all DATA commands. data_commands = [command for co...

def _serialize_item(item): """Internal function: serialize native types.""" # Recursively serialize lists, tuples, and dicts. if isinstance(item, (list, tuple)): return [_serialize_item(subitem) for subitem in item] elif isinstance(item, dict): return dict([(key, _serialize_item(value)) ...

def create_glir_message(commands, array_serialization=None): """Create a JSON-serializable message of GLIR commands. NumPy arrays are serialized according to the specified method. Arguments --------- commands : list List of GLIR commands. array_serialization : string or None Se...

def start_session(self): """ Start Session """ response = self.request("hello") bits = response.split(" ") self.server_info.update({ "server_version": bits[2], "protocol_version": bits[4], "screen_width": int(bits[7]), "screen_height": int...

def request(self, command_string): """ Request """ self.send(command_string) if self.debug: print("Telnet Request: %s" % (command_string)) while True: response = urllib.parse.unquote(self.tn.read_until(b"\n").decode()) if "success" in response: # N...

def add_screen(self, ref): """ Add Screen """ if ref not in self.screens: screen = Screen(self, ref) screen.clear() # TODO Check this is needed, new screens should be clear. self.screens[ref] = screen return self.screens[ref]

def add_key(self, ref, mode="shared"): """ Add a key. (ref) Return key name or None on error """ if ref not in self.keys: response = self.request("client_add_key %s -%s" % (ref, mode)) if "success" not in response: return None ...

def del_key(self, ref): """ Delete a key. (ref) Return None or LCDd response on error """ if ref not in self.keys: response = self.request("client_del_key %s" % (ref)) self.keys.remove(ref) if "success" in response: ret...

def launch(self): """launch browser and virtual display, first of all to be launched""" try: # init virtual Display self.vbro = Display() self.vbro.start() logger.debug("virtual display launched") except Exception: raise exceptions.VBro...

def css(self, css_path, dom=None): """css find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_css, args=[css_path])

def css1(self, css_path, dom=None): """return the first value of self.css""" if dom is None: dom = self.browser def _css1(path, domm): """virtual local func""" return self.css(path, domm)[0] return expect(_css1, args=[css_path, dom])

def search_name(self, name, dom=None): """name find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_name, args=[name])

def xpath(self, xpath, dom=None): """xpath find function abbreviation""" if dom is None: dom = self.browser return expect(dom.find_by_xpath, args=[xpath])

def elCss(self, css_path, dom=None): """check if element is present by css""" if dom is None: dom = self.browser return expect(dom.is_element_present_by_css, args=[css_path])

def elXpath(self, xpath, dom=None): """check if element is present by css""" if dom is None: dom = self.browser return expect(dom.is_element_present_by_xpath, args=[xpath])

def login(self, username, password, mode="demo"): """login function""" url = "https://trading212.com/it/login" try: logger.debug(f"visiting %s" % url) self.browser.visit(url) logger.debug(f"connected to %s" % url) except selenium.common.exceptions.WebD...

def logout(self): """logout func (quit browser)""" try: self.browser.quit() except Exception: raise exceptions.BrowserException(self.brow_name, "not started") return False self.vbro.stop() logger.info("logged out") return True

def new_pos(self, html_div): """factory method pattern""" pos = self.Position(self, html_div) pos.bind_mov() self.positions.append(pos) return pos

def _make_hostport(conn, default_host, default_port, default_user='', default_password=None): """Convert a '[user[:pass]@]host:port' string to a Connection tuple. If the given connection is empty, use defaults. If no port is given, use the default. Args: conn (str): the string describing the t...

def _make_lcdproc( lcd_host, lcd_port, retry_config, charset=DEFAULT_LCDPROC_CHARSET, lcdd_debug=False): """Create and connect to the LCDd server. Args: lcd_host (str): the hostname to connect to lcd_prot (int): the port to connect to charset (str): the charset to use wh...

def _make_patterns(patterns): """Create a ScreenPatternList from a given pattern text. Args: pattern_txt (str list): the patterns Returns: mpdlcd.display_pattern.ScreenPatternList: a list of patterns from the given entries. """ field_registry = display_fields.FieldRegis...

def run_forever( lcdproc='', mpd='', lcdproc_screen=DEFAULT_LCD_SCREEN_NAME, lcdproc_charset=DEFAULT_LCDPROC_CHARSET, lcdd_debug=False, pattern='', patterns=[], refresh=DEFAULT_REFRESH, backlight_on=DEFAULT_BACKLIGHT_ON, priority_playing=DEFAULT_PRIORITY, ...

def _read_config(filename): """Read configuration from the given file. Parsing is performed through the configparser library. Returns: dict: a flattened dict of (option_name, value), using defaults. """ parser = configparser.RawConfigParser() if filename and not parser.read(filename): ...

def _extract_options(config, options, *args): """Extract options values from a configparser, optparse pair. Options given on command line take precedence over options read in the configuration file. Args: config (dict): option values read from a config file through configparser ...

def resize(self, shape, format=None): """ Set the render-buffer size and format Parameters ---------- shape : tuple of integers New shape in yx order. A render buffer is always 2D. For symmetry with the texture class, a 3-element tuple can also be giv...

def activate(self): """ Activate/use this frame buffer. """ # Send command self._glir.command('FRAMEBUFFER', self._id, True) # Associate canvas now canvas = get_current_canvas() if canvas is not None: canvas.context.glir.associate(self.glir)

def shape(self): """ The shape of the Texture/RenderBuffer attached to this FrameBuffer """ if self.color_buffer is not None: return self.color_buffer.shape[:2] # in case its a texture if self.depth_buffer is not None: return self.depth_buffer.shape[:2] i...

def resize(self, shape): """ Resize all attached buffers with the given shape Parameters ---------- shape : tuple of two integers New buffer shape (h, w), to be applied to all currently attached buffers. For buffers that are a texture, the number of c...

def read(self, mode='color', alpha=True): """ Return array of pixel values in an attached buffer Parameters ---------- mode : str The buffer type to read. May be 'color', 'depth', or 'stencil'. alpha : bool If True, returns RGBA array. Otherwise, ...

def set_data(self, pos=None, color=None, width=None, connect=None): """ Set the data used to draw this visual. Parameters ---------- pos : array Array of shape (..., 2) or (..., 3) specifying vertex coordinates. color : Color, tuple, or array The color to...

def _compute_bounds(self, axis, view): """Get the bounds Parameters ---------- mode : str Describes the type of boundary requested. Can be "visual", "data", or "mouse". axis : 0, 1, 2 The axis along which to measure the bounding values, in ...

def _agg_bake(cls, vertices, color, closed=False): """ Bake a list of 2D vertices for rendering them as thick line. Each line segment must have its own vertices because of antialias (this means no vertex sharing between two adjacent line segments). """ n = len(vertices) ...