Source code for selenium_driverless.input.pointer

import asyncio
import time
import inspect
import typing

import numpy as np

from selenium_driverless.scripts.geometry import gen_combined_path, pos_at_time, bias_0_dot_5


def make_rand_click_timeout():
    return 0.125 + (bias_0_dot_5(0.5, 0.5) - 0.5) / 10
    # => should be about 130ms +/-50


[docs] class Modifiers: NONE = 0 """no modifier""" ALT = 1 """alt modifier""" CTRL = 2 """CTRL modifier""" COMMAND = 4 """COMMAND modifier""" SHIFT = 8 """SHIFT modifier"""
[docs] class PointerType: MOUSE = "mouse" """mousePointer""" PEN = "pen" """a pointer of type \"pen\""""
[docs] class MouseButton: """main button pressed""" NONE = "none" """no mouse button""" LEFT = "left" """left mouse button""" MIDDLE = "middle" """middle mouse button""" RIGHT = "right" """right mouse button""" BACK = "back" """back mouse button""" FORWARD = "forward" """forward mouse button"""
[docs] class Buttons: """modifier mouse button""" NONE = 0 """no button""" LEFT = 1 """left mouse button""" RIGHT = 2 """right mouse button""" MIDDLE = 4 """middle mouse button""" BACK = 8 """back mouse button""" FORWARD = 16 """forward mouse button""" DEFAULT = None """no modifier mouse button specified"""
[docs] class EventType: PRESS = "mousePressed" """mousePressed""" RELEASE = "mouseReleased" """mouseReleased""" MOVE = "mouseMoved" """mouseMoved""" WHEEL = "mouseWheel" """mouseWheel"""
[docs] class PointerEvent: # noinspection GrazieInspection def __init__(self, type_: str, x: int, y: int, modifiers: int = Modifiers.NONE, timestamp: float = None, button: str = MouseButton.LEFT, buttons: int = Buttons.DEFAULT, click_count: int = 0, force: float = 0, tangential_pressure: float = 0, tilt_x: float = 0, tilt_y: float = 0, twist: float = 0, delta_x: int = 0, delta_y: int = 0, pointer_type: str = PointerType.MOUSE): """ see `Input.dispatchMouseEvent <https://chromedevtools.github.io/devtools-protocol/tot/Input/#method-dispatchMouseEvent>`_ for reference """ self._command = "Input.dispatchMouseEvent" self.type_ = type_ self.x = x self.y = y self.modifiers = modifiers self.timestamp = timestamp self.button = button self.buttons = buttons self.click_count = click_count self.force = force self.tangential_pressure = tangential_pressure self.tilt_x = tilt_x self.tilt_y = tilt_y self.twist = twist self.delta_x = delta_x self.delta_y = delta_y self.pointer_type = pointer_type
[docs] def to_json(self) -> typing.List[typing.Union[str, typing.Dict[str, typing.Union[int, str]]]]: """the event as JSON""" _json = { "type": self.type_, "x": self.x, "y": self.y, "modifiers": self.modifiers, "button": self.button, "clickCount": self.click_count, "force": self.force, "tangentialPressure": self.tangential_pressure, "tiltX": self.tilt_x, "tiltY": self.tilt_y, "twist": self.twist, "deltaX": self.delta_x, "deltaY": self.delta_y, "pointerType": self.pointer_type } if self.timestamp: _json["timestamp"] = self.timestamp if self.buttons: _json["buttons"] = self.buttons return [self._command, _json]
[docs] class BasePointer: def __init__(self, driver, pointer_type: str = PointerType.MOUSE): self.pointer_type = pointer_type self._driver = driver
[docs] async def dispatch(self, event: PointerEvent): """dispatches a PointerEVent""" await self._driver.execute_cdp_cmd(*event.to_json())
[docs] async def down(self, **kwargs): """press the mouse :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ event = PointerEvent(type_=EventType.PRESS, **kwargs) await self.dispatch(event)
[docs] async def up(self, **kwargs): """release the mouse :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ event = PointerEvent(type_=EventType.RELEASE, **kwargs) await self.dispatch(event)
[docs] async def click(self, x: float, y: float, timeout: float = None, **kwargs): """click :param x: the x coordinate :param y: the y coordinate :param timeout: the time to sleep between mouseUp & mouseDown :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ if not timeout: timeout = make_rand_click_timeout() await self.down(click_count=1, x=x, y=y, **kwargs) await asyncio.sleep(timeout) await self.up(click_count=1, x=x, y=y, **kwargs)
[docs] async def double_click(self, x: float, y: float, timeout: float = None, **kwargs): """double-click :param x: the x coordinate :param y: the y coordinate :param timeout: the time to sleep between mouseUp & mouseDown :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ if not timeout: timeout = make_rand_click_timeout() await self.click(timeout=timeout, x=x, y=y, **kwargs) await asyncio.sleep(timeout) await self.down(click_count=2, x=x, y=y, **kwargs) await asyncio.sleep(timeout) await self.up(click_count=2, x=x, y=y, **kwargs)
[docs] async def move_to(self, x: int, y: int, **kwargs): """dispatch a move event :param x: the x coordinate :param y: the y coordinate :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ event = PointerEvent(type_=EventType.MOVE, x=x, y=y, **kwargs) await self.dispatch(event)
[docs] async def move_path(self, total_time: float, pos_from_time_callback: typing.Callable[[float],typing.Union[typing.Tuple[int], typing.Awaitable[typing.Tuple[int]]]], freq_assumption: float = 60, **kwargs): """ move a path :param total_time: total time the pointer should take to move the path :param freq_assumption: assumption on a mousemove event frequency, required for accuracy :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` :param pos_from_time_callback: a function which returns coordinates for a specific time """ x = None y = None i = -1 start = None while True: if i == -1: _time = 0 else: _time = time.perf_counter() - start if _time > total_time or _time < 0: return x, y # get coordinates at time res = pos_from_time_callback(_time) if inspect.iscoroutinefunction(pos_from_time_callback): await res x, y = res await self.move_to(x=x, y=y, **kwargs) if i == -1: start = time.perf_counter() - (1 / freq_assumption) # => approximately 0.017, assuming 60 Hz i += 1
[docs] class Pointer: def __init__(self, target, pointer_type: str = PointerType.MOUSE): self.pointer_type = pointer_type self._target = target self.base = BasePointer(driver=target, pointer_type=pointer_type) self.location = [100, 0] self._loop = None
[docs] async def down(self, **kwargs): """press the mouse :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ await self.base.down(**kwargs)
[docs] async def up(self, **kwargs): """release the mouse :param kwargs: kwargs for :class:`PointerEvent <selenium_driverless.input.pointer.PointerEvent>` """ await self.base.up(**kwargs)
[docs] async def click(self, x_or_elem: typing.Union[float, None]=None, y: float or None = None, move_to: bool = True, move_kwargs: dict or None = None, click_kwargs: dict or None = None): """click :param x_or_elem: either the x-coordinate, or a :class:`WebElement <selenium_driverless.input.types.webelement.WebElement>` :param y: the y-coordinate to click at :param move_to: whether to move the pointer (recommended) :param move_kwargs: kwargs for :func:`Pointer.move_to <selenium_driverless.input.pointer.Pointer.move_to>` :param click_kwargs: kwargs for :func:`BasePointer.click <selenium_driverless.input.pointer.BasePointer.click>` """ from selenium_driverless.types.webelement import WebElement if click_kwargs is None: click_kwargs = dict() if move_kwargs is None: move_kwargs = dict() if isinstance(x_or_elem, WebElement): x, y = await x_or_elem.mid_location() else: x = x_or_elem if x is None: x, y = self.location if move_to: await self.move_to(x, y=y, **move_kwargs) await self.base.click(x, y, **click_kwargs)
[docs] async def move_to(self, x_or_elem: int=None, y: int or None = None, total_time: float = 0.5, accel: float = 2, mid_time: float = None, smooth_soft=20, **kwargs): """move pinter to location :param x_or_elem: either the x-coordinate, or a :class:`WebElement <selenium_driverless.input.types.webelement.WebElement>` :param y: the y-coordinate to move to :param total_time: the total time, the pointer should take to move to the location :param accel: the acceleration & deceleration, the pointerMove should perform :param mid_time: the normalized position, where half of the time should be due (0-1) :param smooth_soft: how "curvy" the line should be :param kwargs: kwargs for :func:`BasePointer.move_path <selenium_driverless.input.pointer.BasePointer.move_path>` """ from selenium_driverless.types.webelement import WebElement if not self.location == [x_or_elem, y]: if isinstance(x_or_elem, WebElement): x, y = await x_or_elem.mid_location() else: x = x_or_elem if x is None: x, y = self.location if not mid_time: mid_time = bias_0_dot_5(0.5, max_offset=0.3) # noinspection PyShadowingNames def pos_from_time_callback(time: float): return pos_at_time(path, total_time, time, accel, mid_time=mid_time) points = np.array([self.location, [x, y]]) path = gen_combined_path(points, n_points_soft=5, smooth_soft=smooth_soft, n_points_distort=100, smooth_distort=0.4) await self.base.move_path(total_time=total_time, pos_from_time_callback=pos_from_time_callback, **kwargs) self.location = [x, y]