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)[source]¶

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.done”.
pulse_style (StyleType, optional) – Style for pulsing bars. Defaults to “bar.pulse”.
table_column (Optional[rich.table.Column]) –

Return type

None

render(task)[source]¶

Gets a progress bar widget for a task.

Parameters: task (rich.progress.Task) –
Return type: rich.progress_bar.ProgressBar

class rich.progress.DownloadColumn(binary_units=False, table_column=None)[source]¶

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[rich.table.Column]) –

Return type

None

render(task)[source]¶

Calculate common unit for completed and total.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.FileSizeColumn(table_column=None)[source]¶

Renders completed filesize.

Parameters: table_column (Optional[rich.table.Column]) –
Return type: None

render(task)[source]¶

Show data completed.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.MofNCompleteColumn(separator='/', table_column=None)[source]¶

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[rich.table.Column]) –

render(task)[source]¶

Show completed/total.

Parameters: task (rich.progress.Task) –
Return type: rich.text.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)[source]¶

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, rich.progress.ProgressColumn]) –

Return type

None

add_task(description, start=True, total=100.0, completed=0, visible=True, **fields)[source]¶

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.
fields (Any) –

Returns

An ID you can use when calling update.

Return type

TaskID

advance(task_id, advance=1)[source]¶

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()[source]¶

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[rich.progress.ProgressColumn, …]

get_renderable()[source]¶

Get a renderable for the progress display.

Return type: Union[rich.console.ConsoleRenderable, rich.console.RichCast, str]

get_renderables()[source]¶

Get a number of renderables for the progress display.

Return type: Iterable[Union[rich.console.ConsoleRenderable, rich.console.RichCast, str]]

make_tasks_table(tasks)[source]¶

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[source]¶

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()[source]¶

Refresh (render) the progress information.

Return type: None

remove_task(task_id)[source]¶

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)[source]¶

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.
**fields (str) – Additional data fields required for rendering.
visible (Optional[bool]) –
description (Optional[str]) –
fields (Any) –

Return type

None

start()[source]¶

Start the progress display.

Return type: None

start_task(task_id)[source]¶

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()[source]¶

Stop the progress display.

Return type: None

stop_task(task_id)[source]¶

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[rich.progress.Task]¶: Get a list of Task instances.

track(sequence, total=None, task_id=None, description='Working...', update_period=0.1)[source]¶

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)[source]¶

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.
fields (Any) –

Return type

None

wrap_file(file, total=None, *, task_id=None, description='Reading...')[source]¶

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)[source]¶

Base class for a widget to use in progress display.

Parameters: table_column (Optional[rich.table.Column]) –
Return type: None

get_table_column()[source]¶

Get a table column, used to build tasks table.

Return type: rich.table.Column

abstract render(task)[source]¶

Should return a renderable object.

Parameters: task (rich.progress.Task) –
Return type: Union[rich.console.ConsoleRenderable, rich.console.RichCast, str]

class rich.progress.ProgressSample(timestamp, completed)[source]¶

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)[source]¶

A column to insert an arbitrary column.

Parameters

renderable (RenderableType, optional) – Any renderable. Defaults to empty string.
table_column (Optional[rich.table.Column]) –

render(task)[source]¶

Should return a renderable object.

Parameters: task (rich.progress.Task) –
Return type: Union[rich.console.ConsoleRenderable, rich.console.RichCast, str]

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

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[rich.table.Column]) –

render(task)[source]¶

Should return a renderable object.

Parameters: task (rich.progress.Task) –
Return type: Union[rich.console.ConsoleRenderable, rich.console.RichCast, str]

set_spinner(spinner_name, spinner_style='progress.spinner', speed=1.0)[source]¶

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>)[source]¶

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 (threading.RLock) –

Return type

None

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()[source]¶

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)[source]¶

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.

Return type

None

render(task)[source]¶

Should return a renderable object.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

classmethod render_speed(speed)[source]¶

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)[source]¶

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[rich.highlighter.Highlighter]) –
table_column (Optional[rich.table.Column]) –

Return type

None

render(task)[source]¶

Should return a renderable object.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.TimeElapsedColumn(table_column=None)[source]¶

Renders time elapsed.

Parameters: table_column (Optional[rich.table.Column]) –
Return type: None

render(task)[source]¶

Show time remaining.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.TimeRemainingColumn(compact=False, elapsed_when_finished=False, table_column=None)[source]¶

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[rich.table.Column]) –

render(task)[source]¶

Show time remaining.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.TotalFileSizeColumn(table_column=None)[source]¶

Renders total filesize.

Parameters: table_column (Optional[rich.table.Column]) –
Return type: None

render(task)[source]¶

Show data completed.

Parameters: task (rich.progress.Task) –
Return type: rich.text.Text

class rich.progress.TransferSpeedColumn(table_column=None)[source]¶

Renders human readable transfer speed.

Parameters: table_column (Optional[rich.table.Column]) –
Return type: None

render(task)[source]¶

Show data transfer speed.

Parameters: task (rich.progress.Task) –
Return type: rich.text.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[rich.console.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][source]¶

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[rich.console.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.done”.
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)[source]¶

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.done”.
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)[source]¶

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.done”.
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]