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https://github.com/morpheus65535/bazarr
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4a0932b5d3
* Update ffsubsync to 0.4.11 * Update srt to 3.4.1
1024 lines
35 KiB
Python
1024 lines
35 KiB
Python
import sys
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from abc import ABC, abstractmethod
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from collections import deque
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from collections.abc import Sized
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from dataclasses import dataclass, field
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from datetime import timedelta
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from math import ceil
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from threading import Event, RLock, Thread
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from typing import (
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Any,
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Callable,
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Deque,
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Dict,
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Iterable,
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List,
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NamedTuple,
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NewType,
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Optional,
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Sequence,
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Tuple,
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TypeVar,
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Union,
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)
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from . import filesize, get_console
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from .console import (
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Console,
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JustifyMethod,
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RenderableType,
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RenderGroup,
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)
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from .jupyter import JupyterMixin
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from .highlighter import Highlighter
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from .live import Live
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from .progress_bar import ProgressBar
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from .spinner import Spinner
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from .style import StyleType
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from .table import Column, Table
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from .text import Text, TextType
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TaskID = NewType("TaskID", int)
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ProgressType = TypeVar("ProgressType")
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GetTimeCallable = Callable[[], float]
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class _TrackThread(Thread):
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"""A thread to periodically update progress."""
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def __init__(self, progress: "Progress", task_id: "TaskID", update_period: float):
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self.progress = progress
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self.task_id = task_id
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self.update_period = update_period
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self.done = Event()
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self.completed = 0
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super().__init__()
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def run(self) -> None:
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task_id = self.task_id
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advance = self.progress.advance
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update_period = self.update_period
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last_completed = 0
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wait = self.done.wait
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while not wait(update_period):
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completed = self.completed
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if last_completed != completed:
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advance(task_id, completed - last_completed)
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last_completed = completed
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self.progress.update(self.task_id, completed=self.completed, refresh=True)
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def __enter__(self) -> "_TrackThread":
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self.start()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb) -> None:
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self.done.set()
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self.join()
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def track(
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sequence: Union[Sequence[ProgressType], Iterable[ProgressType]],
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description="Working...",
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total: Optional[float] = None,
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auto_refresh=True,
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console: Optional[Console] = None,
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transient: bool = False,
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get_time: Callable[[], float] = None,
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refresh_per_second: float = 10,
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style: StyleType = "bar.back",
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complete_style: StyleType = "bar.complete",
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finished_style: StyleType = "bar.finished",
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pulse_style: StyleType = "bar.pulse",
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update_period: float = 0.1,
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disable: bool = False,
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) -> Iterable[ProgressType]:
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"""Track progress by iterating over a sequence.
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Args:
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sequence (Iterable[ProgressType]): A sequence (must support "len") you wish to iterate over.
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description (str, optional): Description of task show next to progress bar. Defaults to "Working".
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total: (float, optional): Total number of steps. Default is len(sequence).
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auto_refresh (bool, optional): Automatic refresh, disable to force a refresh after each iteration. Default is True.
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transient: (bool, optional): Clear the progress on exit. Defaults to False.
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console (Console, optional): Console to write to. Default creates internal Console instance.
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refresh_per_second (float): Number of times per second to refresh the progress information. Defaults to 10.
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style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
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complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
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finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.done".
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pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
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update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
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disable (bool, optional): Disable display of progress.
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Returns:
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Iterable[ProgressType]: An iterable of the values in the sequence.
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"""
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columns: List["ProgressColumn"] = (
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[TextColumn("[progress.description]{task.description}")] if description else []
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)
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columns.extend(
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(
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BarColumn(
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style=style,
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complete_style=complete_style,
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finished_style=finished_style,
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pulse_style=pulse_style,
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),
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TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
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TimeRemainingColumn(),
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)
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)
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progress = Progress(
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*columns,
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auto_refresh=auto_refresh,
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console=console,
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transient=transient,
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get_time=get_time,
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refresh_per_second=refresh_per_second or 10,
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disable=disable,
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)
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with progress:
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yield from progress.track(
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sequence, total=total, description=description, update_period=update_period
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)
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class ProgressColumn(ABC):
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"""Base class for a widget to use in progress display."""
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max_refresh: Optional[float] = None
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def __init__(self, table_column: Column = None) -> None:
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self._table_column = table_column
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self._renderable_cache: Dict[TaskID, Tuple[float, RenderableType]] = {}
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self._update_time: Optional[float] = None
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def get_table_column(self) -> Column:
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"""Get a table column, used to build tasks table."""
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return self._table_column or Column()
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def __call__(self, task: "Task") -> RenderableType:
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"""Called by the Progress object to return a renderable for the given task.
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Args:
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task (Task): An object containing information regarding the task.
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Returns:
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RenderableType: Anything renderable (including str).
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"""
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current_time = task.get_time() # type: ignore
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if self.max_refresh is not None and not task.completed:
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try:
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timestamp, renderable = self._renderable_cache[task.id]
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except KeyError:
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pass
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else:
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if timestamp + self.max_refresh > current_time:
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return renderable
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renderable = self.render(task)
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self._renderable_cache[task.id] = (current_time, renderable)
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return renderable
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@abstractmethod
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def render(self, task: "Task") -> RenderableType:
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"""Should return a renderable object."""
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class RenderableColumn(ProgressColumn):
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"""A column to insert an arbitrary column.
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Args:
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renderable (RenderableType, optional): Any renderable. Defaults to empty string.
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"""
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def __init__(self, renderable: RenderableType = "", *, table_column: Column = None):
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self.renderable = renderable
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super().__init__(table_column=table_column)
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def render(self, task: "Task") -> RenderableType:
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return self.renderable
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class SpinnerColumn(ProgressColumn):
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"""A column with a 'spinner' animation.
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Args:
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spinner_name (str, optional): Name of spinner animation. Defaults to "dots".
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style (StyleType, optional): Style of spinner. Defaults to "progress.spinner".
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speed (float, optional): Speed factor of spinner. Defaults to 1.0.
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finished_text (TextType, optional): Text used when task is finished. Defaults to " ".
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"""
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def __init__(
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self,
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spinner_name: str = "dots",
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style: Optional[StyleType] = "progress.spinner",
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speed: float = 1.0,
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finished_text: TextType = " ",
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table_column: Column = None,
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):
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self.spinner = Spinner(spinner_name, style=style, speed=speed)
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self.finished_text = (
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Text.from_markup(finished_text)
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if isinstance(finished_text, str)
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else finished_text
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)
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super().__init__(table_column=table_column)
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def set_spinner(
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self,
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spinner_name: str,
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spinner_style: Optional[StyleType] = "progress.spinner",
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speed: float = 1.0,
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):
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"""Set a new spinner.
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Args:
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spinner_name (str): Spinner name, see python -m rich.spinner.
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spinner_style (Optional[StyleType], optional): Spinner style. Defaults to "progress.spinner".
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speed (float, optional): Speed factor of spinner. Defaults to 1.0.
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"""
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self.spinner = Spinner(spinner_name, style=spinner_style, speed=speed)
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def render(self, task: "Task") -> Text:
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text = (
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self.finished_text
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if task.finished
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else self.spinner.render(task.get_time())
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)
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return text
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class TextColumn(ProgressColumn):
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"""A column containing text."""
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def __init__(
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self,
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text_format: str,
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style: StyleType = "none",
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justify: JustifyMethod = "left",
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markup: bool = True,
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highlighter: Highlighter = None,
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table_column: Column = None,
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) -> None:
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self.text_format = text_format
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self.justify = justify
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self.style = style
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self.markup = markup
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self.highlighter = highlighter
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super().__init__(table_column=table_column or Column(no_wrap=True))
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def render(self, task: "Task") -> Text:
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_text = self.text_format.format(task=task)
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if self.markup:
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text = Text.from_markup(_text, style=self.style, justify=self.justify)
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else:
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text = Text(_text, style=self.style, justify=self.justify)
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if self.highlighter:
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self.highlighter.highlight(text)
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return text
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class BarColumn(ProgressColumn):
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"""Renders a visual progress bar.
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Args:
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bar_width (Optional[int], optional): Width of bar or None for full width. Defaults to 40.
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style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
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complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
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finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.done".
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pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
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"""
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def __init__(
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self,
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bar_width: Optional[int] = 40,
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style: StyleType = "bar.back",
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complete_style: StyleType = "bar.complete",
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finished_style: StyleType = "bar.finished",
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pulse_style: StyleType = "bar.pulse",
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table_column: Column = None,
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) -> None:
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self.bar_width = bar_width
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self.style = style
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self.complete_style = complete_style
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self.finished_style = finished_style
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self.pulse_style = pulse_style
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super().__init__(table_column=table_column)
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def render(self, task: "Task") -> ProgressBar:
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"""Gets a progress bar widget for a task."""
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return ProgressBar(
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total=max(0, task.total),
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completed=max(0, task.completed),
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width=None if self.bar_width is None else max(1, self.bar_width),
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pulse=not task.started,
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animation_time=task.get_time(),
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style=self.style,
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complete_style=self.complete_style,
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finished_style=self.finished_style,
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pulse_style=self.pulse_style,
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)
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class TimeElapsedColumn(ProgressColumn):
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"""Renders time elapsed."""
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def render(self, task: "Task") -> Text:
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"""Show time remaining."""
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elapsed = task.finished_time if task.finished else task.elapsed
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if elapsed is None:
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return Text("-:--:--", style="progress.elapsed")
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delta = timedelta(seconds=int(elapsed))
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return Text(str(delta), style="progress.elapsed")
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class TimeRemainingColumn(ProgressColumn):
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"""Renders estimated time remaining."""
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# Only refresh twice a second to prevent jitter
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max_refresh = 0.5
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def render(self, task: "Task") -> Text:
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"""Show time remaining."""
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remaining = task.time_remaining
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if remaining is None:
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return Text("-:--:--", style="progress.remaining")
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remaining_delta = timedelta(seconds=int(remaining))
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return Text(str(remaining_delta), style="progress.remaining")
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class FileSizeColumn(ProgressColumn):
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"""Renders completed filesize."""
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def render(self, task: "Task") -> Text:
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"""Show data completed."""
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data_size = filesize.decimal(int(task.completed))
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return Text(data_size, style="progress.filesize")
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class TotalFileSizeColumn(ProgressColumn):
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"""Renders total filesize."""
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def render(self, task: "Task") -> Text:
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"""Show data completed."""
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data_size = filesize.decimal(int(task.total))
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return Text(data_size, style="progress.filesize.total")
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class DownloadColumn(ProgressColumn):
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"""Renders file size downloaded and total, e.g. '0.5/2.3 GB'.
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Args:
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binary_units (bool, optional): Use binary units, KiB, MiB etc. Defaults to False.
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"""
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def __init__(self, binary_units: bool = False, table_column: Column = None) -> None:
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self.binary_units = binary_units
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super().__init__(table_column=table_column)
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def render(self, task: "Task") -> Text:
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"""Calculate common unit for completed and total."""
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completed = int(task.completed)
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total = int(task.total)
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if self.binary_units:
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unit, suffix = filesize.pick_unit_and_suffix(
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total,
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["bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"],
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1024,
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)
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else:
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unit, suffix = filesize.pick_unit_and_suffix(
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total, ["bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"], 1000
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)
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completed_ratio = completed / unit
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total_ratio = total / unit
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precision = 0 if unit == 1 else 1
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completed_str = f"{completed_ratio:,.{precision}f}"
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total_str = f"{total_ratio:,.{precision}f}"
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download_status = f"{completed_str}/{total_str} {suffix}"
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download_text = Text(download_status, style="progress.download")
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return download_text
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class TransferSpeedColumn(ProgressColumn):
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"""Renders human readable transfer speed."""
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def render(self, task: "Task") -> Text:
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"""Show data transfer speed."""
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speed = task.finished_speed or task.speed
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if speed is None:
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return Text("?", style="progress.data.speed")
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data_speed = filesize.decimal(int(speed))
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return Text(f"{data_speed}/s", style="progress.data.speed")
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class ProgressSample(NamedTuple):
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"""Sample of progress for a given time."""
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timestamp: float
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"""Timestamp of sample."""
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completed: float
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"""Number of steps completed."""
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@dataclass
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class Task:
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"""Information regarding a progress task.
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This object should be considered read-only outside of the :class:`~Progress` class.
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"""
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id: TaskID
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"""Task ID associated with this task (used in Progress methods)."""
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description: str
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"""str: Description of the task."""
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total: float
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"""str: Total number of steps in this task."""
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completed: float
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"""float: Number of steps completed"""
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_get_time: GetTimeCallable
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"""Callable to get the current time."""
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finished_time: Optional[float] = None
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"""float: Time task was finished."""
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visible: bool = True
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"""bool: Indicates if this task is visible in the progress display."""
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fields: Dict[str, Any] = field(default_factory=dict)
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"""dict: Arbitrary fields passed in via Progress.update."""
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start_time: Optional[float] = field(default=None, init=False, repr=False)
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"""Optional[float]: Time this task was started, or None if not started."""
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stop_time: Optional[float] = field(default=None, init=False, repr=False)
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"""Optional[float]: Time this task was stopped, or None if not stopped."""
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finished_speed: Optional[float] = None
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"""Optional[float]: The last speed for a finshed task."""
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_progress: Deque[ProgressSample] = field(
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default_factory=deque, init=False, repr=False
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)
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_lock: RLock = field(repr=False, default_factory=RLock)
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"""Thread lock."""
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def get_time(self) -> float:
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"""float: Get the current time, in seconds."""
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return self._get_time() # type: ignore
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@property
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def started(self) -> bool:
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"""bool: Check if the task as started."""
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return self.start_time is not None
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@property
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def remaining(self) -> float:
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"""float: Get the number of steps remaining."""
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return self.total - self.completed
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@property
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def elapsed(self) -> Optional[float]:
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"""Optional[float]: Time elapsed since task was started, or ``None`` if the task hasn't started."""
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if self.start_time is None:
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return None
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if self.stop_time is not None:
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return self.stop_time - self.start_time
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return self.get_time() - self.start_time
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@property
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def finished(self) -> bool:
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"""Check if the task has finished."""
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return self.finished_time is not None
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@property
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def percentage(self) -> float:
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"""float: Get progress of task as a percentage."""
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if not self.total:
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return 0.0
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completed = (self.completed / self.total) * 100.0
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completed = min(100.0, max(0.0, completed))
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return completed
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@property
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def speed(self) -> Optional[float]:
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"""Optional[float]: Get the estimated speed in steps per second."""
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if self.start_time is None:
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return None
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with self._lock:
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progress = self._progress
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if not progress:
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return None
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total_time = progress[-1].timestamp - progress[0].timestamp
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if total_time == 0:
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return None
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iter_progress = iter(progress)
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next(iter_progress)
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total_completed = sum(sample.completed for sample in iter_progress)
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speed = total_completed / total_time
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return speed
|
|
|
|
@property
|
|
def time_remaining(self) -> Optional[float]:
|
|
"""Optional[float]: Get estimated time to completion, or ``None`` if no data."""
|
|
if self.finished:
|
|
return 0.0
|
|
speed = self.speed
|
|
if not speed:
|
|
return None
|
|
estimate = ceil(self.remaining / speed)
|
|
return estimate
|
|
|
|
def _reset(self) -> None:
|
|
"""Reset progress."""
|
|
self._progress.clear()
|
|
self.finished_time = None
|
|
self.finished_speed = None
|
|
|
|
|
|
class Progress(JupyterMixin):
|
|
"""Renders an auto-updating progress bar(s).
|
|
|
|
Args:
|
|
console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
|
|
auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()`.
|
|
refresh_per_second (Optional[float], optional): Number of times per second to refresh the progress information or None to use default (10). Defaults to None.
|
|
speed_estimate_period: (float, optional): Period (in seconds) used to calculate the speed estimate. Defaults to 30.
|
|
transient: (bool, optional): Clear the progress on exit. Defaults to False.
|
|
redirect_stdout: (bool, optional): Enable redirection of stdout, so ``print`` may be used. Defaults to True.
|
|
redirect_stderr: (bool, optional): Enable redirection of stderr. Defaults to True.
|
|
get_time: (Callable, optional): A callable that gets the current time, or None to use Console.get_time. Defaults to None.
|
|
disable (bool, optional): Disable progress display. Defaults to False
|
|
expand (bool, optional): Expand tasks table to fit width. Defaults to False.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
*columns: Union[str, ProgressColumn],
|
|
console: Console = None,
|
|
auto_refresh: bool = True,
|
|
refresh_per_second: float = 10,
|
|
speed_estimate_period: float = 30.0,
|
|
transient: bool = False,
|
|
redirect_stdout: bool = True,
|
|
redirect_stderr: bool = True,
|
|
get_time: GetTimeCallable = None,
|
|
disable: bool = False,
|
|
expand: bool = False,
|
|
) -> None:
|
|
assert (
|
|
refresh_per_second is None or refresh_per_second > 0 # type: ignore
|
|
), "refresh_per_second must be > 0"
|
|
self._lock = RLock()
|
|
self.columns = columns or (
|
|
TextColumn("[progress.description]{task.description}"),
|
|
BarColumn(),
|
|
TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
|
|
TimeRemainingColumn(),
|
|
)
|
|
self.speed_estimate_period = speed_estimate_period
|
|
|
|
self.disable = disable
|
|
self.expand = expand
|
|
self._tasks: Dict[TaskID, Task] = {}
|
|
self._task_index: TaskID = TaskID(0)
|
|
self.live = Live(
|
|
console=console or get_console(),
|
|
auto_refresh=auto_refresh,
|
|
refresh_per_second=refresh_per_second,
|
|
transient=transient,
|
|
redirect_stdout=redirect_stdout,
|
|
redirect_stderr=redirect_stderr,
|
|
get_renderable=self.get_renderable,
|
|
)
|
|
self.get_time = get_time or self.console.get_time
|
|
self.print = self.console.print
|
|
self.log = self.console.log
|
|
|
|
@property
|
|
def console(self) -> Console:
|
|
return self.live.console
|
|
|
|
@property
|
|
def tasks(self) -> List[Task]:
|
|
"""Get a list of Task instances."""
|
|
with self._lock:
|
|
return list(self._tasks.values())
|
|
|
|
@property
|
|
def task_ids(self) -> List[TaskID]:
|
|
"""A list of task IDs."""
|
|
with self._lock:
|
|
return list(self._tasks.keys())
|
|
|
|
@property
|
|
def finished(self) -> bool:
|
|
"""Check if all tasks have been completed."""
|
|
with self._lock:
|
|
if not self._tasks:
|
|
return True
|
|
return all(task.finished for task in self._tasks.values())
|
|
|
|
def start(self) -> None:
|
|
"""Start the progress display."""
|
|
if not self.disable:
|
|
self.live.start(refresh=True)
|
|
|
|
def stop(self) -> None:
|
|
"""Stop the progress display."""
|
|
self.live.stop()
|
|
|
|
def __enter__(self) -> "Progress":
|
|
self.start()
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb) -> None:
|
|
self.stop()
|
|
|
|
def track(
|
|
self,
|
|
sequence: Union[Iterable[ProgressType], Sequence[ProgressType]],
|
|
total: Optional[float] = None,
|
|
task_id: Optional[TaskID] = None,
|
|
description="Working...",
|
|
update_period: float = 0.1,
|
|
) -> Iterable[ProgressType]:
|
|
"""Track progress by iterating over a sequence.
|
|
|
|
Args:
|
|
sequence (Sequence[ProgressType]): A sequence of values you want to iterate over and track progress.
|
|
total: (float, optional): Total number of steps. Default is len(sequence).
|
|
task_id: (TaskID): Task to track. Default is new task.
|
|
description: (str, optional): Description of task, if new task is created.
|
|
update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
|
|
|
|
Returns:
|
|
Iterable[ProgressType]: An iterable of values taken from the provided sequence.
|
|
"""
|
|
|
|
if total is None:
|
|
if isinstance(sequence, Sized):
|
|
task_total = float(len(sequence))
|
|
else:
|
|
raise ValueError(
|
|
f"unable to get size of {sequence!r}, please specify 'total'"
|
|
)
|
|
else:
|
|
task_total = total
|
|
|
|
if task_id is None:
|
|
task_id = self.add_task(description, total=task_total)
|
|
else:
|
|
self.update(task_id, total=task_total)
|
|
|
|
if self.live.auto_refresh:
|
|
with _TrackThread(self, task_id, update_period) as track_thread:
|
|
for value in sequence:
|
|
yield value
|
|
track_thread.completed += 1
|
|
else:
|
|
advance = self.advance
|
|
refresh = self.refresh
|
|
for value in sequence:
|
|
yield value
|
|
advance(task_id, 1)
|
|
refresh()
|
|
|
|
def start_task(self, task_id: TaskID) -> None:
|
|
"""Start a task.
|
|
|
|
Starts a task (used when calculating elapsed time). You may need to call this manually,
|
|
if you called ``add_task`` with ``start=False``.
|
|
|
|
Args:
|
|
task_id (TaskID): ID of task.
|
|
"""
|
|
with self._lock:
|
|
task = self._tasks[task_id]
|
|
if task.start_time is None:
|
|
task.start_time = self.get_time()
|
|
|
|
def stop_task(self, task_id: TaskID) -> None:
|
|
"""Stop a task.
|
|
|
|
This will freeze the elapsed time on the task.
|
|
|
|
Args:
|
|
task_id (TaskID): ID of task.
|
|
"""
|
|
with self._lock:
|
|
task = self._tasks[task_id]
|
|
current_time = self.get_time()
|
|
if task.start_time is None:
|
|
task.start_time = current_time
|
|
task.stop_time = current_time
|
|
|
|
def update(
|
|
self,
|
|
task_id: TaskID,
|
|
*,
|
|
total: Optional[float] = None,
|
|
completed: float = None,
|
|
advance: float = None,
|
|
description: str = None,
|
|
visible: bool = None,
|
|
refresh: bool = False,
|
|
**fields: Any,
|
|
) -> None:
|
|
"""Update information associated with a task.
|
|
|
|
Args:
|
|
task_id (TaskID): Task id (returned by add_task).
|
|
total (float, optional): Updates task.total if not None.
|
|
completed (float, optional): Updates task.completed if not None.
|
|
advance (float, optional): Add a value to task.completed if not None.
|
|
description (str, optional): Change task description if not None.
|
|
visible (bool, optional): Set visible flag if not None.
|
|
refresh (bool): Force a refresh of progress information. Default is False.
|
|
**fields (Any): Additional data fields required for rendering.
|
|
"""
|
|
with self._lock:
|
|
task = self._tasks[task_id]
|
|
completed_start = task.completed
|
|
|
|
if total is not None:
|
|
task.total = total
|
|
task._reset()
|
|
if advance is not None:
|
|
task.completed += advance
|
|
if completed is not None:
|
|
task.completed = completed
|
|
if description is not None:
|
|
task.description = description
|
|
if visible is not None:
|
|
task.visible = visible
|
|
task.fields.update(fields)
|
|
update_completed = task.completed - completed_start
|
|
|
|
current_time = self.get_time()
|
|
old_sample_time = current_time - self.speed_estimate_period
|
|
_progress = task._progress
|
|
|
|
popleft = _progress.popleft
|
|
while _progress and _progress[0].timestamp < old_sample_time:
|
|
popleft()
|
|
while len(_progress) > 1000:
|
|
popleft()
|
|
if update_completed > 0:
|
|
_progress.append(ProgressSample(current_time, update_completed))
|
|
if task.completed >= task.total and task.finished_time is None:
|
|
task.finished_time = task.elapsed
|
|
|
|
if refresh:
|
|
self.refresh()
|
|
|
|
def reset(
|
|
self,
|
|
task_id: TaskID,
|
|
*,
|
|
start: bool = True,
|
|
total: Optional[float] = None,
|
|
completed: int = 0,
|
|
visible: Optional[bool] = None,
|
|
description: Optional[str] = None,
|
|
**fields: Any,
|
|
) -> None:
|
|
"""Reset a task so completed is 0 and the clock is reset.
|
|
|
|
Args:
|
|
task_id (TaskID): ID of task.
|
|
start (bool, optional): Start the task after reset. Defaults to True.
|
|
total (float, optional): New total steps in task, or None to use current total. Defaults to None.
|
|
completed (int, optional): Number of steps completed. Defaults to 0.
|
|
**fields (str): Additional data fields required for rendering.
|
|
"""
|
|
current_time = self.get_time()
|
|
with self._lock:
|
|
task = self._tasks[task_id]
|
|
task._reset()
|
|
task.start_time = current_time if start else None
|
|
if total is not None:
|
|
task.total = total
|
|
task.completed = completed
|
|
if visible is not None:
|
|
task.visible = visible
|
|
if fields:
|
|
task.fields = fields
|
|
if description is not None:
|
|
task.description = description
|
|
task.finished_time = None
|
|
self.refresh()
|
|
|
|
def advance(self, task_id: TaskID, advance: float = 1) -> None:
|
|
"""Advance task by a number of steps.
|
|
|
|
Args:
|
|
task_id (TaskID): ID of task.
|
|
advance (float): Number of steps to advance. Default is 1.
|
|
"""
|
|
current_time = self.get_time()
|
|
with self._lock:
|
|
task = self._tasks[task_id]
|
|
completed_start = task.completed
|
|
task.completed += advance
|
|
update_completed = task.completed - completed_start
|
|
old_sample_time = current_time - self.speed_estimate_period
|
|
_progress = task._progress
|
|
|
|
popleft = _progress.popleft
|
|
while _progress and _progress[0].timestamp < old_sample_time:
|
|
popleft()
|
|
while len(_progress) > 1000:
|
|
popleft()
|
|
_progress.append(ProgressSample(current_time, update_completed))
|
|
if task.completed >= task.total and task.finished_time is None:
|
|
task.finished_time = task.elapsed
|
|
task.finished_speed = task.speed
|
|
|
|
def refresh(self) -> None:
|
|
"""Refresh (render) the progress information."""
|
|
if not self.disable and self.live.is_started:
|
|
self.live.refresh()
|
|
|
|
def get_renderable(self) -> RenderableType:
|
|
"""Get a renderable for the progress display."""
|
|
renderable = RenderGroup(*self.get_renderables())
|
|
return renderable
|
|
|
|
def get_renderables(self) -> Iterable[RenderableType]:
|
|
"""Get a number of renderables for the progress display."""
|
|
table = self.make_tasks_table(self.tasks)
|
|
yield table
|
|
|
|
def make_tasks_table(self, tasks: Iterable[Task]) -> Table:
|
|
"""Get a table to render the Progress display.
|
|
|
|
Args:
|
|
tasks (Iterable[Task]): An iterable of Task instances, one per row of the table.
|
|
|
|
Returns:
|
|
Table: A table instance.
|
|
"""
|
|
table_columns = (
|
|
(
|
|
Column(no_wrap=True)
|
|
if isinstance(_column, str)
|
|
else _column.get_table_column().copy()
|
|
)
|
|
for _column in self.columns
|
|
)
|
|
table = Table.grid(*table_columns, padding=(0, 1), expand=self.expand)
|
|
|
|
for task in tasks:
|
|
if task.visible:
|
|
table.add_row(
|
|
*(
|
|
(
|
|
column.format(task=task)
|
|
if isinstance(column, str)
|
|
else column(task)
|
|
)
|
|
for column in self.columns
|
|
)
|
|
)
|
|
return table
|
|
|
|
def __rich__(self) -> RenderableType:
|
|
"""Makes the Progress class itself renderable."""
|
|
with self._lock:
|
|
return self.get_renderable()
|
|
|
|
def add_task(
|
|
self,
|
|
description: str,
|
|
start: bool = True,
|
|
total: float = 100.0,
|
|
completed: int = 0,
|
|
visible: bool = True,
|
|
**fields: Any,
|
|
) -> TaskID:
|
|
"""Add a new 'task' to the Progress display.
|
|
|
|
Args:
|
|
description (str): A description of the task.
|
|
start (bool, optional): Start the task immediately (to calculate elapsed time). If set to False,
|
|
you will need to call `start` manually. Defaults to True.
|
|
total (float, optional): Number of total steps in the progress if know. Defaults to 100.
|
|
completed (int, optional): Number of steps completed so far.. Defaults to 0.
|
|
visible (bool, optional): Enable display of the task. Defaults to True.
|
|
**fields (str): Additional data fields required for rendering.
|
|
|
|
Returns:
|
|
TaskID: An ID you can use when calling `update`.
|
|
"""
|
|
with self._lock:
|
|
task = Task(
|
|
self._task_index,
|
|
description,
|
|
total,
|
|
completed,
|
|
visible=visible,
|
|
fields=fields,
|
|
_get_time=self.get_time,
|
|
_lock=self._lock,
|
|
)
|
|
self._tasks[self._task_index] = task
|
|
if start:
|
|
self.start_task(self._task_index)
|
|
new_task_index = self._task_index
|
|
self._task_index = TaskID(int(self._task_index) + 1)
|
|
self.refresh()
|
|
return new_task_index
|
|
|
|
def remove_task(self, task_id: TaskID) -> None:
|
|
"""Delete a task if it exists.
|
|
|
|
Args:
|
|
task_id (TaskID): A task ID.
|
|
|
|
"""
|
|
with self._lock:
|
|
del self._tasks[task_id]
|
|
|
|
|
|
if __name__ == "__main__": # pragma: no coverage
|
|
|
|
import random
|
|
import time
|
|
|
|
from .panel import Panel
|
|
from .rule import Rule
|
|
from .syntax import Syntax
|
|
from .table import Table
|
|
|
|
syntax = Syntax(
|
|
'''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
|
|
"""Iterate and generate a tuple with a flag for last value."""
|
|
iter_values = iter(values)
|
|
try:
|
|
previous_value = next(iter_values)
|
|
except StopIteration:
|
|
return
|
|
for value in iter_values:
|
|
yield False, previous_value
|
|
previous_value = value
|
|
yield True, previous_value''',
|
|
"python",
|
|
line_numbers=True,
|
|
)
|
|
|
|
table = Table("foo", "bar", "baz")
|
|
table.add_row("1", "2", "3")
|
|
|
|
progress_renderables = [
|
|
"Text may be printed while the progress bars are rendering.",
|
|
Panel("In fact, [i]any[/i] renderable will work"),
|
|
"Such as [magenta]tables[/]...",
|
|
table,
|
|
"Pretty printed structures...",
|
|
{"type": "example", "text": "Pretty printed"},
|
|
"Syntax...",
|
|
syntax,
|
|
Rule("Give it a try!"),
|
|
]
|
|
|
|
from itertools import cycle
|
|
|
|
examples = cycle(progress_renderables)
|
|
|
|
console = Console(record=True)
|
|
|
|
with Progress(
|
|
SpinnerColumn(),
|
|
TextColumn("[progress.description]{task.description}"),
|
|
BarColumn(),
|
|
TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
|
|
TimeRemainingColumn(),
|
|
TimeElapsedColumn(),
|
|
console=console,
|
|
transient=True,
|
|
) as progress:
|
|
|
|
task1 = progress.add_task("[red]Downloading", total=1000)
|
|
task2 = progress.add_task("[green]Processing", total=1000)
|
|
task3 = progress.add_task("[yellow]Thinking", total=1000, start=False)
|
|
|
|
while not progress.finished:
|
|
progress.update(task1, advance=0.5)
|
|
progress.update(task2, advance=0.3)
|
|
time.sleep(0.01)
|
|
if random.randint(0, 100) < 1:
|
|
progress.log(next(examples))
|