mirror of https://github.com/morpheus65535/bazarr
153 lines
4.8 KiB
Python
153 lines
4.8 KiB
Python
"""
|
|
`rich.progress` decorator for iterators.
|
|
|
|
Usage:
|
|
>>> from tqdm.rich import trange, tqdm
|
|
>>> for i in trange(10):
|
|
... ...
|
|
"""
|
|
from __future__ import absolute_import
|
|
|
|
from warnings import warn
|
|
|
|
from rich.progress import (
|
|
BarColumn, Progress, ProgressColumn, Text, TimeElapsedColumn, TimeRemainingColumn, filesize)
|
|
|
|
from .std import TqdmExperimentalWarning
|
|
from .std import tqdm as std_tqdm
|
|
from .utils import _range
|
|
|
|
__author__ = {"github.com/": ["casperdcl"]}
|
|
__all__ = ['tqdm_rich', 'trrange', 'tqdm', 'trange']
|
|
|
|
|
|
class FractionColumn(ProgressColumn):
|
|
"""Renders completed/total, e.g. '0.5/2.3 G'."""
|
|
def __init__(self, unit_scale=False, unit_divisor=1000):
|
|
self.unit_scale = unit_scale
|
|
self.unit_divisor = unit_divisor
|
|
super().__init__()
|
|
|
|
def render(self, task):
|
|
"""Calculate common unit for completed and total."""
|
|
completed = int(task.completed)
|
|
total = int(task.total)
|
|
if self.unit_scale:
|
|
unit, suffix = filesize.pick_unit_and_suffix(
|
|
total,
|
|
["", "K", "M", "G", "T", "P", "E", "Z", "Y"],
|
|
self.unit_divisor,
|
|
)
|
|
else:
|
|
unit, suffix = filesize.pick_unit_and_suffix(total, [""], 1)
|
|
precision = 0 if unit == 1 else 1
|
|
return Text(
|
|
f"{completed/unit:,.{precision}f}/{total/unit:,.{precision}f} {suffix}",
|
|
style="progress.download")
|
|
|
|
|
|
class RateColumn(ProgressColumn):
|
|
"""Renders human readable transfer speed."""
|
|
def __init__(self, unit="", unit_scale=False, unit_divisor=1000):
|
|
self.unit = unit
|
|
self.unit_scale = unit_scale
|
|
self.unit_divisor = unit_divisor
|
|
super().__init__()
|
|
|
|
def render(self, task):
|
|
"""Show data transfer speed."""
|
|
speed = task.speed
|
|
if speed is None:
|
|
return Text(f"? {self.unit}/s", style="progress.data.speed")
|
|
if self.unit_scale:
|
|
unit, suffix = filesize.pick_unit_and_suffix(
|
|
speed,
|
|
["", "K", "M", "G", "T", "P", "E", "Z", "Y"],
|
|
self.unit_divisor,
|
|
)
|
|
else:
|
|
unit, suffix = filesize.pick_unit_and_suffix(speed, [""], 1)
|
|
precision = 0 if unit == 1 else 1
|
|
return Text(f"{speed/unit:,.{precision}f} {suffix}{self.unit}/s",
|
|
style="progress.data.speed")
|
|
|
|
|
|
class tqdm_rich(std_tqdm): # pragma: no cover
|
|
"""Experimental rich.progress GUI version of tqdm!"""
|
|
# TODO: @classmethod: write()?
|
|
def __init__(self, *args, **kwargs):
|
|
"""
|
|
This class accepts the following parameters *in addition* to
|
|
the parameters accepted by `tqdm`.
|
|
|
|
Parameters
|
|
----------
|
|
progress : tuple, optional
|
|
arguments for `rich.progress.Progress()`.
|
|
"""
|
|
kwargs = kwargs.copy()
|
|
kwargs['gui'] = True
|
|
# convert disable = None to False
|
|
kwargs['disable'] = bool(kwargs.get('disable', False))
|
|
progress = kwargs.pop('progress', None)
|
|
super(tqdm_rich, self).__init__(*args, **kwargs)
|
|
|
|
if self.disable:
|
|
return
|
|
|
|
warn("rich is experimental/alpha", TqdmExperimentalWarning, stacklevel=2)
|
|
d = self.format_dict
|
|
if progress is None:
|
|
progress = (
|
|
"[progress.description]{task.description}"
|
|
"[progress.percentage]{task.percentage:>4.0f}%",
|
|
BarColumn(bar_width=None),
|
|
FractionColumn(
|
|
unit_scale=d['unit_scale'], unit_divisor=d['unit_divisor']),
|
|
"[", TimeElapsedColumn(), "<", TimeRemainingColumn(),
|
|
",", RateColumn(unit=d['unit'], unit_scale=d['unit_scale'],
|
|
unit_divisor=d['unit_divisor']), "]"
|
|
)
|
|
self._prog = Progress(*progress, transient=not self.leave)
|
|
self._prog.__enter__()
|
|
self._task_id = self._prog.add_task(self.desc or "", **d)
|
|
|
|
def close(self):
|
|
if self.disable:
|
|
return
|
|
super(tqdm_rich, self).close()
|
|
self._prog.__exit__(None, None, None)
|
|
|
|
def clear(self, *_, **__):
|
|
pass
|
|
|
|
def display(self, *_, **__):
|
|
if not hasattr(self, '_prog'):
|
|
return
|
|
self._prog.update(self._task_id, completed=self.n, description=self.desc)
|
|
|
|
def reset(self, total=None):
|
|
"""
|
|
Resets to 0 iterations for repeated use.
|
|
|
|
Parameters
|
|
----------
|
|
total : int or float, optional. Total to use for the new bar.
|
|
"""
|
|
if hasattr(self, '_prog'):
|
|
self._prog.reset(total=total)
|
|
super(tqdm_rich, self).reset(total=total)
|
|
|
|
|
|
def trrange(*args, **kwargs):
|
|
"""
|
|
A shortcut for `tqdm.rich.tqdm(xrange(*args), **kwargs)`.
|
|
On Python3+, `range` is used instead of `xrange`.
|
|
"""
|
|
return tqdm_rich(_range(*args), **kwargs)
|
|
|
|
|
|
# Aliases
|
|
tqdm = tqdm_rich
|
|
trange = trrange
|