pythontqdm参数详细说明
iterable : iterable, optional
Iterable to decorate with a progressbar. Leave blank to manually manage the updates.
desc : str, optional
Prefix for the progressbar.
total : int or float, optional
The number of expected iterations. If unspecified, len(iterable) is used if possible. If float("inf") or as a last resort, only basic progress statistics are displayed (no ETA, no progressbar). If gui is True and this parameter needs subsequent updating, specify an initial arbitrary large positive number, e.g. 9e9.
leave : bool, optional
If [default: True], keeps all traces of the progressbar upon termination of iteration. If None, will leave only if position is 0.
file : io.TextIOWrapper or io.StringIO, optional
Specifies where to output the progress messages (default: sys.stderr). Uses file.write(str) and file.flush() methods. For encoding, see write_bytes.
ncols : int, optional
The width of the entire output message. If specified, dynamically resizes the progressbar to stay within this bound. If
unspecified, attempts to use environment width. The fallback is a meter width of 10 and no limit for the counter and statistics. If 0, will not print any meter (only stats).
mininterval : float, optional
Minimum progress display update interval [default: 0.1] seconds.
maxinterval : float, optional
Maximum progress display update interval [default: 10] seconds. Automatically adjusts miniters to co
rrespond to mininterval after long display update lag. Only works if dynamic_miniters or monitor thread is enabled.
miniters : int or float, optional
Minimum progress display update interval, in iterations. If 0 and dynamic_miniters, will automatically adjust to equal mininterval (more CPU efficient, good for tight loops). If > 0, will skip display of specified number of iterations. Tweak this and mininterval to get very efficient loops. If your progress is erratic with both fast and slow iterations (network, skipping items, etc) you should set miniters=1.
ascii : bool or str, optional
If unspecified or False, use unicode (smooth blocks) to fill the meter. The fallback is to use ASCII characters " 123456789#". disable : bool, optional
Whether to disable the entire progressbar wrapper [default: False]. If set to None, disable on non-TTY.
unit : str, optional
String that will be used to define the unit of each iteration [default: it].
unit_scale : bool or int or float, optional
If 1 or True, the number of iterations will be reduced/scaled automatically and a metric prefix following the International System of Units standard will be added (kilo, mega, etc.) [default: False]. If any other non-zero number, will scale total and n.
dynamic_ncols : bool, optional
If set, constantly alters ncols and nrows to the environment (allowing for window resizes) [default: False].
smoothing : float, optional
Exponential moving average smoothing factor for speed estimates (ignored in GUI mode). Ranges from 0 (average speed) to 1 (current/instantaneous speed) [default: 0.3].
bar_format : str, optionalignore subsequent bad blocks
Specify a custom bar string formatting. May impact performance. [default: '{l_bar}{bar}{r_bar}'], where l_bar='{desc}:
{percentage:3.0f}%|' and r_bar='| {n_fmt}/{total_fmt} [{elapsed}<{remaining}, ' '{rate_fmt}{postfix}]' Possible vars: l_bar, bar, r_bar, n, n_fmt, total, total_fmt, percentage, elapsed, elapsed_s, ncols, nrows, desc, unit, rate, rate_fmt, rate_noinv, rate_noinv_fmt, rate_inv, rate_inv_fmt, postfix, unit_divisor, remaining, remaining_s, eta. Note that a trailing ": " is automatically removed after {desc} if the latter is empty.
initial : int or float, optional
The initial counter value. Useful when restarting a progress bar [default: 0]. If using float, consider specifying {n:.3f} or similar in bar_format, or specifying unit_scale.
position : int, optional
Specify the line offset to print this bar (starting from 0) Automatic if unspecified. Useful to manage multiple bars at once (eg, from threads).
postfix : dict or *, optional
Specify additional stats to display at the end of the bar. Calls set_postfix(**postfix) if possible (dict).
unit_divisor : float, optional
[default: 1000], ignored unless unit_scale is True.
write_bytes : bool, optional
If (default: None) and file is unspecified, bytes will be written in Python 2. If True will also write bytes. In all other cases will default to unicode.
lock_args : tuple, optional
Passed to refresh for intermediate output (initialisation, iterating, and updating).
nrows : int, optional
The screen height. If specified, hides nested bars outside this bound. If unspecified, attempts to use environment height. The fallback is 20.
colour : str, optional
Bar colour (e.g. 'green', '#00ff00').
delay : float, optional
Don't display until [default: 0] seconds have elapsed.
delim : chr, optional
Delimiting character [default: 'n']. Use '0' for null. N.B.: on Windows systems, Python converts 'n' to 'rn'.
buf_size : int, optional
String buffer size in bytes [default: 256] used when delim is specified.
bytes : bool, optional
If true, will count bytes, ignore delim, and default unit_scale to True, unit_divisor to 1024, and unit to 'B'.
tee : bool, optional
If true, passes stdin to both stderr and stdout.
update : bool, optional
If true, will treat input as newly elapsed iterations, i.e. numbers to pass to update(). Note that this is slow (~2e5 it/s) since every input must be decoded as a number.
update_to : bool, optional
If true, will treat input as total elapsed iterations, i.e. numbers to assign Note that this is slow (~2e5 it/s) since every input must be decoded as a number.
null : bool, optional
If true, will discard input (no stdout).
manpath : str, optional
Directory in which to install tqdm man pages.
comppath : str, optional
Directory in which to place tqdm completion.
log : str, optional
CRITICAL|FATAL|ERROR|WARN(ING)|[default: 'INFO']|DEBUG|NOTSET.

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