rich.progress

class rich.progress.BarColumn(bar_width=40, style='bar.back', complete_style='bar.complete', finished_style='bar.finished', pulse_style='bar.pulse', table_column=None)

Renders a visual progress bar.

Parameters

• bar_width (Optional[int], optional) – Width of bar or None for full width. Defaults to 40.

• style (StyleType, optional) – Style for the bar background. Defaults to “bar.back”.

• complete_style (StyleType, optional) – Style for the completed bar. Defaults to “bar.complete”.

• finished_style (StyleType, optional) – Style for a finished bar. Defaults to “bar.finished”.

• pulse_style (StyleType, optional) – Style for pulsing bars. Defaults to “bar.pulse”.

• table_column (Optional[Column]) –

render(task)

Gets a progress bar widget for a task.

Parameters

task (Task) –

Return type

ProgressBar

class rich.progress.DownloadColumn(binary_units=False, table_column=None)

Renders file size downloaded and total, e.g. ‘0.5/2.3 GB’.

Parameters

• binary_units (bool, optional) – Use binary units, KiB, MiB etc. Defaults to False.

• table_column (Optional[Column]) –

render(task)

Calculate common unit for completed and total.

Parameters

task (Task) –

Return type

Text

class rich.progress.FileSizeColumn(table_column=None)

Renders completed filesize.

Parameters

table_column (Optional[Column]) –

render(task)

Show data completed.

Parameters

task (Task) –

Return type

Text

class rich.progress.MofNCompleteColumn(separator='/', table_column=None)

Renders completed count/total, e.g. ‘ 10/1000’.

Best for bounded tasks with int quantities.

Space pads the completed count so that progress length does not change as task progresses past powers of 10.

Parameters

• separator (str, optional) – Text to separate completed and total values. Defaults to “/”.

• table_column (Optional[Column]) –

render(task)

Show completed/total.

Parameters

task (Task) –

Return type

Text

class rich.progress.Progress(*columns, console=None, auto_refresh=True, refresh_per_second=10, speed_estimate_period=30.0, transient=False, redirect_stdout=True, redirect_stderr=True, get_time=None, disable=False, expand=False)

Renders an auto-updating progress bar(s).

Parameters

• 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) – (float, optional): Period (in seconds) used to calculate the speed estimate. Defaults to 30.

• transient (bool) – (bool, optional): Clear the progress on exit. Defaults to False.

• redirect_stdout (bool) – (bool, optional): Enable redirection of stdout, so print may be used. Defaults to True.

• redirect_stderr (bool) – (bool, optional): Enable redirection of stderr. Defaults to True.

• get_time (Optional[Callable[[], float]]) – (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.

• columns (Union[str, ProgressColumn]) –

add_task(description, start=True, total=100.0, completed=0, visible=True, **fields)

Add a new ‘task’ to the Progress display.

Parameters

• 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 known. Set to None to render a pulsing animation. 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

An ID you can use when calling update.

Return type

TaskID

advance(task_id, advance=1)

Advance task by a number of steps.

Parameters

• task_id (TaskID) – ID of task.

• advance (float) – Number of steps to advance. Default is 1.

Return type

None

property finished: bool

Check if all tasks have been completed.

classmethod get_default_columns()

Get the default columns used for a new Progress instance:

• a text column for the description (TextColumn)

• the bar itself (BarColumn)

• a text column showing completion percentage (TextColumn)

• an estimated-time-remaining column (TimeRemainingColumn)

If the Progress instance is created without passing a columns argument, the default columns defined here will be used.

You can also create a Progress instance using custom columns before and/or after the defaults, as in this example:

progress = Progress(

SpinnerColumn(), *Progress.default_columns(), “Elapsed:”, TimeElapsedColumn(),

)

This code shows the creation of a Progress display, containing a spinner to the left, the default columns, and a labeled elapsed time column.

Return type

Tuple[ProgressColumn, …]

get_renderable()

Get a renderable for the progress display.

Return type

Union[ConsoleRenderable, RichCast, str]

get_renderables()

Get a number of renderables for the progress display.

Return type

Iterable[Union[ConsoleRenderable, RichCast, str]]

make_tasks_table(tasks)

Get a table to render the Progress display.

Parameters

tasks (Iterable[Task]) – An iterable of Task instances, one per row of the table.

Returns

A table instance.

Return type

Table

open(file: Union[str, PathLike[str], bytes], mode: typing_extensions.Literal[rb], buffering: int = -1, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None, *, total: Optional[int] = None, task_id: Optional[TaskID] = None, description: str = 'Reading...') → BinaryIO

open(file: Union[str, PathLike[str], bytes], mode: Union[typing_extensions.Literal[r], typing_extensions.Literal[rt]], buffering: int = -1, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None, *, total: Optional[int] = None, task_id: Optional[TaskID] = None, description: str = 'Reading...') → TextIO

Track progress while reading from a binary file.

Parameters

• path (Union[str, PathLike[str]]) – The path to the file to read.

• mode (str) – The mode to use to open the file. Only supports “r”, “rb” or “rt”.

• buffering (int) – The buffering strategy to use, see io.open().

• encoding (str, optional) – The encoding to use when reading in text mode, see io.open().

• errors (str, optional) – The error handling strategy for decoding errors, see io.open().

• newline (str, optional) – The strategy for handling newlines in text mode, see io.open().

• total (int, optional) – Total number of bytes to read. If none given, os.stat(path).st_size is used.

• task_id (TaskID) – Task to track. Default is new task.

• description (str, optional) – Description of task, if new task is created.

Returns

A readable file-like object in binary mode.

Return type

BinaryIO

Raises

ValueError – When an invalid mode is given.

refresh()

Refresh (render) the progress information.

Return type

None

remove_task(task_id)

Delete a task if it exists.

Parameters

task_id (TaskID) – A task ID.

Return type

None

reset(task_id, *, start=True, total=None, completed=0, visible=None, description=None, **fields)

Reset a task so completed is 0 and the clock is reset.

Parameters

• 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.

• visible (bool, optional) – Enable display of the task. Defaults to True.

• description (str, optional) – Change task description if not None. Defaults to None.

• **fields (str) – Additional data fields required for rendering.

Return type

None

start()

Start the progress display.

Return type

None

start_task(task_id)

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.

Parameters

task_id (TaskID) – ID of task.

Return type

None

stop()

Stop the progress display.

Return type

None

stop_task(task_id)

Stop a task.

This will freeze the elapsed time on the task.

Parameters

task_id (TaskID) – ID of task.

Return type

None

property task_ids: List[TaskID]

A list of task IDs.

property tasks: List[Task]

Get a list of Task instances.

track(sequence, total=None, task_id=None, description='Working...', update_period=0.1)

Track progress by iterating over a sequence.

Parameters

• sequence (Sequence[ProgressType]) – A sequence of values you want to iterate over and track progress.

• total (Optional[float]) – (float, optional): Total number of steps. Default is len(sequence).

• task_id (Optional[TaskID]) – (TaskID): Task to track. Default is new task.

• description (str) – (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

An iterable of values taken from the provided sequence.

Return type

Iterable[ProgressType]

update(task_id, *, total=None, completed=None, advance=None, description=None, visible=None, refresh=False, **fields)

Update information associated with a task.

Parameters

• 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.

Return type

None

wrap_file(file, total=None, *, task_id=None, description='Reading...')

Track progress file reading from a binary file.

Parameters

• file (BinaryIO) – A file-like object opened in binary mode.

• total (int, optional) – Total number of bytes to read. This must be provided unless a task with a total is also given.

• task_id (TaskID) – Task to track. Default is new task.

• description (str, optional) – Description of task, if new task is created.

Returns

A readable file-like object in binary mode.

Return type

BinaryIO

Raises

ValueError – When no total value can be extracted from the arguments or the task.

class rich.progress.ProgressColumn(table_column=None)

Base class for a widget to use in progress display.

Parameters

table_column (Optional[Column]) –

get_table_column()

Get a table column, used to build tasks table.

Return type

Column

abstract render(task)

Should return a renderable object.

Parameters

task (Task) –

Return type

Union[ConsoleRenderable, RichCast, str]

class rich.progress.ProgressSample(timestamp, completed)

Sample of progress for a given time.

Parameters

• timestamp (float) –

• completed (float) –

property completed

Number of steps completed.

property timestamp

Timestamp of sample.

class rich.progress.RenderableColumn(renderable='', *, table_column=None)

A column to insert an arbitrary column.

Parameters

• renderable (RenderableType, optional) – Any renderable. Defaults to empty string.

• table_column (Optional[Column]) –

render(task)

Should return a renderable object.

Parameters

task (Task) –

Return type

Union[ConsoleRenderable, RichCast, str]

class rich.progress.SpinnerColumn(spinner_name='dots', style='progress.spinner', speed=1.0, finished_text=' ', table_column=None)

A column with a ‘spinner’ animation.

Parameters

• spinner_name (str, optional) – Name of spinner animation. Defaults to “dots”.

• style (StyleType, optional) – Style of spinner. Defaults to “progress.spinner”.

• speed (float, optional) – Speed factor of spinner. Defaults to 1.0.

• finished_text (TextType, optional) – Text used when task is finished. Defaults to ” “.

• table_column (Optional[Column]) –

render(task)

Should return a renderable object.

Parameters

task (Task) –

Return type

Union[ConsoleRenderable, RichCast, str]

set_spinner(spinner_name, spinner_style='progress.spinner', speed=1.0)

Set a new spinner.

Parameters

• spinner_name (str) – Spinner name, see python -m rich.spinner.

• spinner_style (Optional[StyleType], optional) – Spinner style. Defaults to “progress.spinner”.

• speed (float, optional) – Speed factor of spinner. Defaults to 1.0.

Return type

None

class rich.progress.Task(id, description, total, completed, _get_time, finished_time=None, visible=True, fields=<factory>, finished_speed=None, _lock=<factory>)

Information regarding a progress task.

This object should be considered read-only outside of the Progress class.

Parameters

• id (TaskID) –

• description (str) –

• total (Optional[float]) –

• completed (float) –

• _get_time (Callable[[], float]) –

• finished_time (Optional[float]) –

• visible (bool) –

• fields (Dict[str, Any]) –

• finished_speed (Optional[float]) –

• _lock (RLock) –

completed: float

Number of steps completed

Type

float

description: str

Description of the task.

Type

str

property elapsed: Optional[float]

Time elapsed since task was started, or None if the task hasn’t started.

Type

Optional[float]

fields: Dict[str, Any]

Arbitrary fields passed in via Progress.update.

Type

dict

property finished: bool

Check if the task has finished.

finished_speed: Optional[float] = None

The last speed for a finished task.

Type

Optional[float]

finished_time: Optional[float] = None

Time task was finished.

Type

float

get_time()

float: Get the current time, in seconds.

Return type

float

id: TaskID

Task ID associated with this task (used in Progress methods).

property percentage: float

Get progress of task as a percentage. If a None total was set, returns 0

Type

float

property remaining: Optional[float]

Get the number of steps remaining, if a non-None total was set.

Type

Optional[float]

property speed: Optional[float]

Get the estimated speed in steps per second.

Type

Optional[float]

start_time: Optional[float] = None

Time this task was started, or None if not started.

Type

Optional[float]

property started: bool

Check if the task as started.

Type

bool

stop_time: Optional[float] = None

Time this task was stopped, or None if not stopped.

Type

Optional[float]

property time_remaining: Optional[float]

Get estimated time to completion, or None if no data.

Type

Optional[float]

total: Optional[float]

Total number of steps in this task.

Type

Optional[float]

visible: bool = True

Indicates if this task is visible in the progress display.

Type

bool

class rich.progress.TaskProgressColumn(text_format='[progress.percentage]{task.percentage:>3.0f}%', text_format_no_percentage='', style='none', justify='left', markup=True, highlighter=None, table_column=None, show_speed=False)

Show task progress as a percentage.

Parameters

• text_format (str, optional) – Format for percentage display. Defaults to “[progress.percentage]{task.percentage:>3.0f}%”.

• text_format_no_percentage (str, optional) – Format if percentage is unknown. Defaults to “”.

• style (StyleType, optional) – Style of output. Defaults to “none”.

• justify (JustifyMethod, optional) – Text justification. Defaults to “left”.

• markup (bool, optional) – Enable markup. Defaults to True.

• highlighter (Optional[Highlighter], optional) – Highlighter to apply to output. Defaults to None.

• table_column (Optional[Column], optional) – Table Column to use. Defaults to None.

• show_speed (bool, optional) – Show speed if total is unknown. Defaults to False.

render(task)

Should return a renderable object.

Parameters

task (Task) –

Return type

Text

classmethod render_speed(speed)

Render the speed in iterations per second.

Parameters

• task (Task) – A Task object.

• speed (Optional[float]) –

Returns

Text object containing the task speed.

Return type

Text

class rich.progress.TextColumn(text_format, style='none', justify='left', markup=True, highlighter=None, table_column=None)

A column containing text.

Parameters

• text_format (str) –

• style (Union[str, Style]) –

• justify (typing_extensions.Literal[default, left, center, right, full]) –

• markup (bool) –

• highlighter (Optional[Highlighter]) –

• table_column (Optional[Column]) –

render(task)

Should return a renderable object.

Parameters

task (Task) –

Return type

Text

class rich.progress.TimeElapsedColumn(table_column=None)

Renders time elapsed.

Parameters

table_column (Optional[Column]) –

render(task)

Show time elapsed.

Parameters

task (Task) –

Return type

Text

class rich.progress.TimeRemainingColumn(compact=False, elapsed_when_finished=False, table_column=None)

Renders estimated time remaining.

Parameters

• compact (bool, optional) – Render MM:SS when time remaining is less than an hour. Defaults to False.

• elapsed_when_finished (bool, optional) – Render time elapsed when the task is finished. Defaults to False.

• table_column (Optional[Column]) –

render(task)

Show time remaining.

Parameters

task (Task) –

Return type

Text

class rich.progress.TotalFileSizeColumn(table_column=None)

Renders total filesize.

Parameters

table_column (Optional[Column]) –

render(task)

Show data completed.

Parameters

task (Task) –

Return type

Text

class rich.progress.TransferSpeedColumn(table_column=None)

Renders human readable transfer speed.

Parameters

table_column (Optional[Column]) –

render(task)

Show data transfer speed.

Parameters

task (Task) –

Return type

Text

rich.progress.open(file: Union[str, PathLike[str], bytes], mode: Union[typing_extensions.Literal[rt], typing_extensions.Literal[r]], buffering: int = -1, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None, *, total: Optional[int] = None, description: str = 'Reading...', auto_refresh: bool = True, console: Optional[Console] = None, transient: bool = False, get_time: Optional[Callable[[], float]] = None, refresh_per_second: float = 10, style: Union[str, Style] = 'bar.back', complete_style: Union[str, Style] = 'bar.complete', finished_style: Union[str, Style] = 'bar.finished', pulse_style: Union[str, Style] = 'bar.pulse', disable: bool = False) → AbstractContextManager[TextIO]

rich.progress.open(file: Union[str, PathLike[str], bytes], mode: typing_extensions.Literal[rb], buffering: int = -1, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None, *, total: Optional[int] = None, description: str = 'Reading...', auto_refresh: bool = True, console: Optional[Console] = None, transient: bool = False, get_time: Optional[Callable[[], float]] = None, refresh_per_second: float = 10, style: Union[str, Style] = 'bar.back', complete_style: Union[str, Style] = 'bar.complete', finished_style: Union[str, Style] = 'bar.finished', pulse_style: Union[str, Style] = 'bar.pulse', disable: bool = False) → AbstractContextManager[BinaryIO]

Read bytes from a file while tracking progress.

Parameters

• path (Union[str, PathLike[str], BinaryIO]) – The path to the file to read, or a file-like object in binary mode.

• mode (str) – The mode to use to open the file. Only supports “r”, “rb” or “rt”.

• buffering (int) – The buffering strategy to use, see io.open().

• encoding (str, optional) – The encoding to use when reading in text mode, see io.open().

• errors (str, optional) – The error handling strategy for decoding errors, see io.open().

• newline (str, optional) – The strategy for handling newlines in text mode, see io.open()

• total – (int, optional): Total number of bytes to read. Must be provided if reading from a file handle. Default for a path is os.stat(file).st_size.

• description (str, optional) – Description of task show next to progress bar. Defaults to “Reading”.

• auto_refresh (bool, optional) – Automatic refresh, disable to force a refresh after each iteration. Default is True.

• transient – (bool, optional): Clear the progress on exit. Defaults to False.

• console (Console, optional) – Console to write to. Default creates internal Console instance.

• refresh_per_second (float) – Number of times per second to refresh the progress information. Defaults to 10.

• style (StyleType, optional) – Style for the bar background. Defaults to “bar.back”.

• complete_style (StyleType, optional) – Style for the completed bar. Defaults to “bar.complete”.

• finished_style (StyleType, optional) – Style for a finished bar. Defaults to “bar.finished”.

• pulse_style (StyleType, optional) – Style for pulsing bars. Defaults to “bar.pulse”.

• disable (bool, optional) – Disable display of progress.

• encoding – The encoding to use when reading in text mode.

Returns

A context manager yielding a progress reader.

Return type

ContextManager[BinaryIO]

rich.progress.track(sequence, description='Working...', total=None, auto_refresh=True, console=None, transient=False, get_time=None, refresh_per_second=10, style='bar.back', complete_style='bar.complete', finished_style='bar.finished', pulse_style='bar.pulse', update_period=0.1, disable=False, show_speed=True)

Track progress by iterating over a sequence.

Parameters

• sequence (Iterable[ProgressType]) – A sequence (must support “len”) you wish to iterate over.

• description (str, optional) – Description of task show next to progress bar. Defaults to “Working”.

• total (Optional[float]) – (float, optional): Total number of steps. Default is len(sequence).

• auto_refresh (bool, optional) – Automatic refresh, disable to force a refresh after each iteration. Default is True.

• transient (bool) – (bool, optional): Clear the progress on exit. Defaults to False.

• console (Console, optional) – Console to write to. Default creates internal Console instance.

• refresh_per_second (float) – Number of times per second to refresh the progress information. Defaults to 10.

• style (StyleType, optional) – Style for the bar background. Defaults to “bar.back”.

• complete_style (StyleType, optional) – Style for the completed bar. Defaults to “bar.complete”.

• finished_style (StyleType, optional) – Style for a finished bar. Defaults to “bar.finished”.

• pulse_style (StyleType, optional) – Style for pulsing bars. Defaults to “bar.pulse”.

• update_period (float, optional) – Minimum time (in seconds) between calls to update(). Defaults to 0.1.

• disable (bool, optional) – Disable display of progress.

• show_speed (bool, optional) – Show speed if total isn’t known. Defaults to True.

• get_time (Optional[Callable[[], float]]) –

Returns

An iterable of the values in the sequence.

Return type

Iterable[ProgressType]

rich.progress.wrap_file(file, total, *, description='Reading...', auto_refresh=True, console=None, transient=False, get_time=None, refresh_per_second=10, style='bar.back', complete_style='bar.complete', finished_style='bar.finished', pulse_style='bar.pulse', disable=False)

Read bytes from a file while tracking progress.

Parameters

• file (Union[str, PathLike[str], BinaryIO]) – The path to the file to read, or a file-like object in binary mode.

• total (int) – Total number of bytes to read.

• description (str, optional) – Description of task show next to progress bar. Defaults to “Reading”.

• auto_refresh (bool, optional) – Automatic refresh, disable to force a refresh after each iteration. Default is True.

• transient (bool) – (bool, optional): Clear the progress on exit. Defaults to False.

• console (Console, optional) – Console to write to. Default creates internal Console instance.

• refresh_per_second (float) – Number of times per second to refresh the progress information. Defaults to 10.

• style (StyleType, optional) – Style for the bar background. Defaults to “bar.back”.

• complete_style (StyleType, optional) – Style for the completed bar. Defaults to “bar.complete”.

• finished_style (StyleType, optional) – Style for a finished bar. Defaults to “bar.finished”.

• pulse_style (StyleType, optional) – Style for pulsing bars. Defaults to “bar.pulse”.

• disable (bool, optional) – Disable display of progress.

• get_time (Optional[Callable[[], float]]) –

Returns

A context manager yielding a progress reader.

Return type

ContextManager[BinaryIO]