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"""
Sends updates to a Slack app.
Usage:
>>> from tqdm.contrib.slack import tqdm, trange
>>> for i in trange(10, token='{token}', channel='{channel}'):
... ...
"""
from __future__ import absolute_import
import logging
from os import getenv
try:
from slack_sdk import WebClient
except ImportError:
raise ImportError("Please `pip install slack-sdk`")
from ..auto import tqdm as tqdm_auto
from ..utils import _range
from .utils_worker import MonoWorker
__author__ = {"github.com/": ["0x2b3bfa0", "casperdcl"]}
__all__ = ['SlackIO', 'tqdm_slack', 'tsrange', 'tqdm', 'trange']
class SlackIO(MonoWorker):
"""Non-blocking file-like IO using a Slack app."""
def __init__(self, token, channel):
"""Creates a new message in the given `channel`."""
super(SlackIO, self).__init__()
self.client = WebClient(token=token)
self.text = self.__class__.__name__
try:
self.message = self.client.chat_postMessage(channel=channel, text=self.text)
except Exception as e:
tqdm_auto.write(str(e))
self.message = None
def write(self, s):
"""Replaces internal `message`'s text with `s`."""
if not s:
s = "..."
s = s.replace('\r', '').strip()
if s == self.text:
return # skip duplicate message
message = self.message
if message is None:
return
self.text = s
try:
future = self.submit(self.client.chat_update, channel=message['channel'],
ts=message['ts'], text='`' + s + '`')
except Exception as e:
tqdm_auto.write(str(e))
else:
return future
class tqdm_slack(tqdm_auto):
"""
Standard `tqdm.auto.tqdm` but also sends updates to a Slack app.
May take a few seconds to create (`__init__`).
- create a Slack app with the `chat:write` scope & invite it to a
channel: <https://api.slack.com/authentication/basics>
- copy the bot `{token}` & `{channel}` and paste below
>>> from tqdm.contrib.slack import tqdm, trange
>>> for i in tqdm(iterable, token='{token}', channel='{channel}'):
... ...
"""
def __init__(self, *args, **kwargs):
"""
Parameters
----------
token : str, required. Slack token
[default: ${TQDM_SLACK_TOKEN}].
channel : int, required. Slack channel
[default: ${TQDM_SLACK_CHANNEL}].
mininterval : float, optional.
Minimum of [default: 1.5] to avoid rate limit.
See `tqdm.auto.tqdm.__init__` for other parameters.
"""
if not kwargs.get('disable'):
kwargs = kwargs.copy()
logging.getLogger("HTTPClient").setLevel(logging.WARNING)
self.sio = SlackIO(
kwargs.pop('token', getenv("TQDM_SLACK_TOKEN")),
kwargs.pop('channel', getenv("TQDM_SLACK_CHANNEL")))
kwargs['mininterval'] = max(1.5, kwargs.get('mininterval', 1.5))
super(tqdm_slack, self).__init__(*args, **kwargs)
def display(self, **kwargs):
super(tqdm_slack, self).display(**kwargs)
fmt = self.format_dict
if fmt.get('bar_format', None):
fmt['bar_format'] = fmt['bar_format'].replace(
'<bar/>', '`{bar:10}`').replace('{bar}', '`{bar:10u}`')
else:
fmt['bar_format'] = '{l_bar}`{bar:10}`{r_bar}'
if fmt['ascii'] is False:
fmt['ascii'] = [":black_square:", ":small_blue_diamond:", ":large_blue_diamond:",
":large_blue_square:"]
fmt['ncols'] = 336
self.sio.write(self.format_meter(**fmt))
def clear(self, *args, **kwargs):
super(tqdm_slack, self).clear(*args, **kwargs)
if not self.disable:
self.sio.write("")
def tsrange(*args, **kwargs):
"""
A shortcut for `tqdm.contrib.slack.tqdm(xrange(*args), **kwargs)`.
On Python3+, `range` is used instead of `xrange`.
"""
return tqdm_slack(_range(*args), **kwargs)
# Aliases
tqdm = tqdm_slack
trange = tsrange
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