490 lines
17 KiB
Python
490 lines
17 KiB
Python
import os
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import sys
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import time
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import itertools
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from typing import Dict, Any
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from tempfile import TemporaryFile
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from tqdm.std import tqdm, Bar
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from tqdm.utils import FormatReplace, _unicode, disp_len, disp_trim, _is_ascii, _unich
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from lbry import __version__
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from lbry.service.base import Service
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from lbry.service.full_node import FullNode
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from lbry.service.light_client import LightClient
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class RedirectOutput:
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silence_lines = [
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b'libprotobuf ERROR google/protobuf/wire_format_lite.cc:626',
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]
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def __init__(self, stream_type: str):
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assert stream_type in ('stderr', 'stdout')
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self.stream_type = stream_type
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self.stream_no = getattr(sys, stream_type).fileno()
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self.last_flush = time.time()
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self.last_read = 0
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def __enter__(self):
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self.backup = os.dup(self.stream_no)
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setattr(sys, self.stream_type, os.fdopen(self.backup, 'w'))
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self.file = TemporaryFile()
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self.backup = os.dup2(self.file.fileno(), self.stream_no)
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.file.close()
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os.dup2(self.backup, self.stream_no)
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os.close(self.backup)
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setattr(sys, self.stream_type, os.fdopen(self.stream_no, 'w'))
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def capture(self):
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self.__enter__()
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def release(self):
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self.__exit__(None, None, None)
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def flush(self, writer, force=False):
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if not force and (time.time() - self.last_flush) < 5:
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return
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self.file.seek(self.last_read)
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for line in self.file.readlines():
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silence = False
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for bad_line in self.silence_lines:
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if bad_line in line:
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silence = True
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break
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if not silence:
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writer(line.decode().rstrip())
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self.last_read = self.file.tell()
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self.last_flush = time.time()
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class Console:
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def __init__(self, service: Service):
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self.service = service
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def starting(self):
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pass
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def stopping(self):
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pass
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class Basic(Console):
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def __init__(self, service: Service):
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super().__init__(service)
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self.service.sync.on_progress.listen(self.on_sync_progress)
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def starting(self):
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conf = self.service.conf
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s = [f'LBRY v{__version__}']
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if isinstance(self.service, FullNode):
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s.append('Full Node')
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elif isinstance(self.service, LightClient):
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s.append('Light Client')
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if conf.processes == -1:
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s.append('Threads Only')
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elif conf.processes == 0:
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s.append(f'{os.cpu_count()} Process(es)')
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else:
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s.append(f'{conf.processes} Process(es)')
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s.append(f'({os.cpu_count()} CPU(s) available)')
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print(' '.join(s))
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def stopping(self):
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print('bye.')
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@staticmethod
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def on_sync_progress(event):
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print(event)
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class Bar2(Bar):
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def __init__(self, frac, default_len=10, charset=None):
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super().__init__(frac[0], default_len, charset)
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self.frac2 = frac[1]
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def __format__(self, format_spec):
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width = self.default_len
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row1 = (1,)*int(self.frac2 * width * 2)
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row2 = (2,)*int(self.frac * width * 2)
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fill = []
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for one, two, _ in itertools.zip_longest(row1, row2, range(width*2)):
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fill.append((one or 0)+(two or 0))
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bar = []
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for i in range(0, width*2, 2):
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if fill[i] == 1:
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if fill[i+1] == 1:
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bar.append('▀')
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else:
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bar.append('▘')
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elif fill[i] == 2:
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if fill[i+1] == 2:
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bar.append('▄')
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else:
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bar.append('▖')
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elif fill[i] == 3:
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if fill[i+1] == 1:
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bar.append('▛')
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elif fill[i+1] == 2:
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bar.append('▙')
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elif fill[i+1] == 3:
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bar.append('█')
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else:
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bar.append('▌')
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else:
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bar.append(' ')
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return ''.join(bar)
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class tqdm2(tqdm):
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def __init__(self, initial=(0, 0), unit=('it', 'it'), total=(None, None), **kwargs):
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self.n2 = self.last_print_n2 = initial[1]
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self.unit2 = unit[1]
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self.total2 = total[1]
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super().__init__(initial=initial[0], unit=unit[0], total=total[0], **kwargs)
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@property
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def format_dict(self):
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d = super().format_dict
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d.update({
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'n2': self.n2,
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'unit2': self.unit2,
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'total2': self.total2,
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})
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return d
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def update(self, n=(1, 1)):
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if self.disable:
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return
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last_last_print_t = self.last_print_t
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self.n2 += n[1]
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super().update(n[0])
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if last_last_print_t != self.last_print_t:
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self.last_print_n2 = self.n2
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@staticmethod
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def format_meter(
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n, total, elapsed, ncols=None, prefix='', ascii=False,
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unit='it', unit_scale=False, rate=None, bar_format=None,
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postfix=None, unit_divisor=1000, **extra_kwargs
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):
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# sanity check: total
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if total and n >= (total + 0.5): # allow float imprecision (#849)
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total = None
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# apply custom scale if necessary
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if unit_scale and unit_scale not in (True, 1):
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if total:
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total *= unit_scale
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n *= unit_scale
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if rate:
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rate *= unit_scale # by default rate = 1 / self.avg_time
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unit_scale = False
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elapsed_str = tqdm.format_interval(elapsed)
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# if unspecified, attempt to use rate = average speed
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# (we allow manual override since predicting time is an arcane art)
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if rate is None and elapsed:
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rate = n / elapsed
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inv_rate = 1 / rate if rate else None
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format_sizeof = tqdm.format_sizeof
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rate_noinv_fmt = ((format_sizeof(rate) if unit_scale else
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'{0:5.2f}'.format(rate))
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if rate else '?') + unit + '/s'
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rate_inv_fmt = ((format_sizeof(inv_rate) if unit_scale else
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'{0:5.2f}'.format(inv_rate))
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if inv_rate else '?') + 's/' + unit
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rate_fmt = rate_inv_fmt if inv_rate and inv_rate > 1 else rate_noinv_fmt
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if unit_scale:
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n_fmt = format_sizeof(n, divisor=unit_divisor)
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total_fmt = format_sizeof(total, divisor=unit_divisor) \
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if total is not None else '?'
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else:
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n_fmt = str(n)
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total_fmt = str(total) if total is not None else '?'
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try:
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postfix = ', ' + postfix if postfix else ''
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except TypeError:
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pass
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remaining = (total - n) / rate if rate and total else 0
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remaining_str = tqdm.format_interval(remaining) if rate else '?'
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# format the stats displayed to the left and right sides of the bar
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if prefix:
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# old prefix setup work around
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bool_prefix_colon_already = (prefix[-2:] == ": ")
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l_bar = prefix if bool_prefix_colon_already else prefix + ": "
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else:
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l_bar = ''
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r_bar = '| {0}/{1} [{2}<{3}, {4}{5}]'.format(
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n_fmt, total_fmt, elapsed_str, remaining_str, rate_fmt, postfix)
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# Custom bar formatting
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# Populate a dict with all available progress indicators
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format_dict = dict(
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# slight extension of self.format_dict
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n=n, n_fmt=n_fmt, total=total, total_fmt=total_fmt,
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elapsed=elapsed_str, elapsed_s=elapsed,
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ncols=ncols, desc=prefix or '', unit=unit,
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rate=inv_rate if inv_rate and inv_rate > 1 else rate,
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rate_fmt=rate_fmt, rate_noinv=rate,
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rate_noinv_fmt=rate_noinv_fmt, rate_inv=inv_rate,
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rate_inv_fmt=rate_inv_fmt,
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postfix=postfix, unit_divisor=unit_divisor,
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# plus more useful definitions
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remaining=remaining_str, remaining_s=remaining,
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l_bar=l_bar, r_bar=r_bar,
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**extra_kwargs)
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# total is known: we can predict some stats
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if total:
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n2, total2 = extra_kwargs['n2'], extra_kwargs['total2']
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# fractional and percentage progress
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frac = n / total
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frac2 = n2 / total2
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percentage = frac * 100
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l_bar += '{0:3.0f}%|'.format(percentage)
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if ncols == 0:
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return l_bar[:-1] + r_bar[1:]
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format_dict.update(l_bar=l_bar)
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if bar_format:
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format_dict.update(percentage=percentage)
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# auto-remove colon for empty `desc`
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if not prefix:
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bar_format = bar_format.replace("{desc}: ", '')
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else:
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bar_format = "{l_bar}{bar}{r_bar}"
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full_bar = FormatReplace()
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try:
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nobar = bar_format.format(bar=full_bar, **format_dict)
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except UnicodeEncodeError:
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bar_format = _unicode(bar_format)
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nobar = bar_format.format(bar=full_bar, **format_dict)
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if not full_bar.format_called:
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# no {bar}, we can just format and return
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return nobar
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# Formatting progress bar space available for bar's display
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full_bar = Bar2(
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(frac, frac2),
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max(1, ncols - disp_len(nobar))
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if ncols else 10,
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charset=Bar2.ASCII if ascii is True else ascii or Bar2.UTF)
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if not _is_ascii(full_bar.charset) and _is_ascii(bar_format):
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bar_format = _unicode(bar_format)
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res = bar_format.format(bar=full_bar, **format_dict)
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return disp_trim(res, ncols) if ncols else res
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elif bar_format:
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# user-specified bar_format but no total
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l_bar += '|'
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format_dict.update(l_bar=l_bar, percentage=0)
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full_bar = FormatReplace()
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nobar = bar_format.format(bar=full_bar, **format_dict)
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if not full_bar.format_called:
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return nobar
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full_bar = Bar2(
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(0, 0),
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max(1, ncols - disp_len(nobar))
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if ncols else 10,
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charset=Bar2.BLANK)
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res = bar_format.format(bar=full_bar, **format_dict)
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return disp_trim(res, ncols) if ncols else res
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else:
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# no total: no progressbar, ETA, just progress stats
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return ((prefix + ": ") if prefix else '') + \
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'{0}{1} [{2}, {3}{4}]'.format(
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n_fmt, unit, elapsed_str, rate_fmt, postfix)
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class Advanced(Basic):
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FORMAT = '{l_bar}{bar}| {n_fmt:>8}/{total_fmt:>8} [{elapsed:>7}<{remaining:>8}, {rate_fmt:>17}]'
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def __init__(self, service: Service):
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super().__init__(service)
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self.bars: Dict[Any, tqdm] = {}
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self.stderr = RedirectOutput('stderr')
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def starting(self):
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self.stderr.capture()
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super().starting()
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def stopping(self):
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for bar in self.bars.values():
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bar.close()
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super().stopping()
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#self.stderr.flush(self.bars['read'].write, True)
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#self.stderr.release()
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def get_or_create_bar(self, name, desc, units, totals, leave=False, bar_format=None, postfix=None, position=None):
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bar = self.bars.get(name)
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if bar is None:
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if len(units) == 2:
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bar = self.bars[name] = tqdm2(
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desc=desc, unit=units, total=totals,
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bar_format=bar_format or self.FORMAT, leave=leave,
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postfix=postfix, position=position
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)
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else:
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bar = self.bars[name] = tqdm(
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desc=desc, unit=units[0], total=totals[0],
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bar_format=bar_format or self.FORMAT, leave=leave,
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postfix=postfix, position=position
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)
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return bar
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def sync_init(self, name, d):
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bar_name = f"{name}#{d['id']}"
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bar = self.bars.get(bar_name)
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if bar is None:
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label = d.get('label', name[-11:])
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self.get_or_create_bar(bar_name, label, d['units'], d['total'], True)
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else:
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if d['done'][0] != -1:
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bar.update(d['done'][0] - bar.n)
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if d['done'][0] == -1 or d['done'][0] == bar.total:
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bar.close()
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def sync_main(self, name, d):
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bar = self.bars.get(name)
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if bar is None:
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label = d.get('label', name[-11:])
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self.get_or_create_bar(name, label, d['units'], d['total'], True)
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#self.last_stats = f"{d['txs']:,d} txs, {d['claims']:,d} claims and {d['supports']:,d} supports"
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#self.get_or_create_bar("read", "├─ blocks read", "blocks", d['blocks'], True)
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#self.get_or_create_bar("save", "└─┬ txs saved", "txs", d['txs'], True)
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else:
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if d['done'] == (-1,)*len(d['done']):
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base_name = name[:name.rindex('.')]
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for child_name, child_bar in self.bars.items():
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if child_name.startswith(base_name):
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child_bar.close()
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bar.close()
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else:
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if len(d['done']) > 1:
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bar.update(d['done']-bar.n)
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else:
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bar.update(d['done'][0]-bar.n)
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def sync_task(self, name, d):
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bar_name = f"{name}#{d['id']}"
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bar = self.bars.get(bar_name)
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if bar is None:
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assert d['done'][0] == 0
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label = d.get('label', name[-11:])
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self.get_or_create_bar(
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f"{name}#{d['id']}", label, d['units'], d['total'],
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name.split('.')[-1] not in ('insert', 'update')
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)
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else:
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if d['done'][0] != -1:
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main_bar_name = f"{name[:name.rindex('.')]}.main"
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if len(d['done']) > 1:
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diff = tuple(a-b for a, b in zip(d['done'], (bar.n, bar.n2)))
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else:
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diff = d['done'][0] - bar.n
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if main_bar_name != name:
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main_bar = self.bars.get(main_bar_name)
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if main_bar.unit == bar.unit:
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main_bar.update(diff)
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bar.update(diff)
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if d['done'][0] == -1 or d['done'][0] == bar.total:
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bar.close()
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def update_block_bars(self, event, d):
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total_bar = self.bars[event[-4:]]
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if event.endswith("read") and self.block_readers == 0:
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total_bar.unpause()
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if event.endswith("read") and d['step'] == d['total']:
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self.block_readers -= 1
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bar_name = f"block-{d['block_file']}"
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bar = self.bars.get(bar_name)
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if bar is None:
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self.block_readers += 1
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return self.get_or_create_bar(
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bar_name,
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f" ├─ blk{d['block_file']:05}.dat reading", 'blocks', d['total']
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)
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if event.endswith("save") and bar.unit == "blocks":
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if self.block_savers == 0:
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total_bar.unpause()
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self.block_savers += 1
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bar.desc = f" ├─ blk{d['block_file']:05}.dat saving"
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bar.unit = "txs"
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bar.reset(d['total'])
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return
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diff = d['step']-bar.n
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bar.update(diff)
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if event.endswith("save") and d['step'] == d['total']:
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self.block_savers -= 1
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bar.close()
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total_bar.update(diff)
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if total_bar.total == total_bar.n:
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if total_bar.desc.endswith('txs saved'):
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total_bar.desc = "├─ txs saved"
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total_bar.refresh()
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def update_other_bars(self, e, d):
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if d['total'] == 0:
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return
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bar = self.bars.get(e)
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if not bar:
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name = (
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' '.join(e.split('.')[-2:])
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.replace('support', 'suprt')
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.replace('channels', 'chanls')
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.replace('signatures', 'sigs')
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)
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bar = self.get_or_create_bar(e, f"├─ {name:>12}", d['unit'], d['total'], True)
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diff = d['step']-bar.n
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bar.update(diff)
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#if d['step'] == d['total']:
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#bar.close()
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def sync_complete(self):
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self.bars['read'].postfix = (self.last_stats,)
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for bar in self.bars.values():
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bar.close()
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def on_sync_progress(self, event):
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e, d = event['event'], event.get('data', {})
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if e.endswith(".init"):
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self.sync_init(e, d)
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elif e.endswith(".main"):
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self.sync_main(e, d)
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else:
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self.sync_task(e, d)
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# if e.endswith("sync.start"):
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# self.sync_start(d)
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# self.stderr.flush(self.bars['read'].write)
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# elif e.endswith("sync.complete"):
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# self.stderr.flush(self.bars['read'].write, True)
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# self.sync_complete()
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# else:
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# self.stderr.flush(self.bars['read'].write)
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# self.update_progress(e, d)
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