643 lines
22 KiB
Python
643 lines
22 KiB
Python
__package__ = 'archivebox'
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import re
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import os
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import sys
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import stat
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import time
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import argparse
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from math import log
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from multiprocessing import Process
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from pathlib import Path
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from datetime import datetime, timezone
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from dataclasses import dataclass
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from typing import Any, Optional, List, Dict, Union, IO, TYPE_CHECKING
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if TYPE_CHECKING:
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from .index.schema import Link, ArchiveResult
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from .system import get_dir_size
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from .util import enforce_types
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from .config import (
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ConfigDict,
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OUTPUT_DIR,
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PYTHON_ENCODING,
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VERSION,
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ANSI,
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IS_TTY,
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IN_DOCKER,
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TERM_WIDTH,
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SHOW_PROGRESS,
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SOURCES_DIR_NAME,
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stderr,
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)
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@dataclass
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class RuntimeStats:
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"""mutable stats counter for logging archiving timing info to CLI output"""
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skipped: int = 0
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succeeded: int = 0
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failed: int = 0
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parse_start_ts: Optional[datetime] = None
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parse_end_ts: Optional[datetime] = None
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index_start_ts: Optional[datetime] = None
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index_end_ts: Optional[datetime] = None
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archiving_start_ts: Optional[datetime] = None
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archiving_end_ts: Optional[datetime] = None
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# globals are bad, mmkay
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_LAST_RUN_STATS = RuntimeStats()
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def debug_dict_summary(obj: Dict[Any, Any]) -> None:
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stderr(' '.join(f'{key}={str(val).ljust(6)}' for key, val in obj.items()))
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def get_fd_info(fd) -> Dict[str, Any]:
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NAME = fd.name[1:-1]
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FILENO = fd.fileno()
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MODE = os.fstat(FILENO).st_mode
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IS_TTY = hasattr(fd, 'isatty') and fd.isatty()
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IS_PIPE = stat.S_ISFIFO(MODE)
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IS_FILE = stat.S_ISREG(MODE)
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IS_TERMINAL = not (IS_PIPE or IS_FILE)
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IS_LINE_BUFFERED = fd.line_buffering
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IS_READABLE = fd.readable()
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return {
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'NAME': NAME, 'FILENO': FILENO, 'MODE': MODE,
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'IS_TTY': IS_TTY, 'IS_PIPE': IS_PIPE, 'IS_FILE': IS_FILE,
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'IS_TERMINAL': IS_TERMINAL, 'IS_LINE_BUFFERED': IS_LINE_BUFFERED,
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'IS_READABLE': IS_READABLE,
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}
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# # Log debug information about stdin, stdout, and stderr
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# sys.stdout.write('[>&1] this is python stdout\n')
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# sys.stderr.write('[>&2] this is python stderr\n')
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# debug_dict_summary(get_fd_info(sys.stdin))
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# debug_dict_summary(get_fd_info(sys.stdout))
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# debug_dict_summary(get_fd_info(sys.stderr))
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class SmartFormatter(argparse.HelpFormatter):
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"""Patched formatter that prints newlines in argparse help strings"""
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def _split_lines(self, text, width):
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if '\n' in text:
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return text.splitlines()
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return argparse.HelpFormatter._split_lines(self, text, width)
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def reject_stdin(caller: str, stdin: Optional[IO]=sys.stdin) -> None:
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"""Tell the user they passed stdin to a command that doesn't accept it"""
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if not stdin:
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return None
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if IN_DOCKER:
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# when TTY is disabled in docker we cant tell if stdin is being piped in or not
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# if we try to read stdin when its not piped we will hang indefinitely waiting for it
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return None
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if not stdin.isatty():
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# stderr('READING STDIN TO REJECT...')
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stdin_raw_text = stdin.read()
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if stdin_raw_text.strip():
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# stderr('GOT STDIN!', len(stdin_str))
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stderr(f'[!] The "{caller}" command does not accept stdin (ignoring).', color='red')
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stderr(f' Run archivebox "{caller} --help" to see usage and examples.')
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stderr()
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# raise SystemExit(1)
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return None
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def accept_stdin(stdin: Optional[IO]=sys.stdin) -> Optional[str]:
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"""accept any standard input and return it as a string or None"""
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if not stdin:
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return None
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if not stdin.isatty():
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# stderr('READING STDIN TO ACCEPT...')
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stdin_str = stdin.read()
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if stdin_str:
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# stderr('GOT STDIN...', len(stdin_str))
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return stdin_str
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return None
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class TimedProgress:
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"""Show a progress bar and measure elapsed time until .end() is called"""
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def __init__(self, seconds, prefix=''):
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self.SHOW_PROGRESS = SHOW_PROGRESS
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if self.SHOW_PROGRESS:
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self.p = Process(target=progress_bar, args=(seconds, prefix))
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self.p.start()
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self.stats = {'start_ts': datetime.now(timezone.utc), 'end_ts': None}
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def end(self):
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"""immediately end progress, clear the progressbar line, and save end_ts"""
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end_ts = datetime.now(timezone.utc)
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self.stats['end_ts'] = end_ts
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if self.SHOW_PROGRESS:
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# terminate if we havent already terminated
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try:
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# kill the progress bar subprocess
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try:
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self.p.close() # must be closed *before* its terminnated
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except (KeyboardInterrupt, SystemExit):
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print()
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raise
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except BaseException: # lgtm [py/catch-base-exception]
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pass
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self.p.terminate()
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self.p.join()
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# clear whole terminal line
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try:
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sys.stdout.write('\r{}{}\r'.format((' ' * TERM_WIDTH()), ANSI['reset']))
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except (IOError, BrokenPipeError):
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# ignore when the parent proc has stopped listening to our stdout
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pass
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except ValueError:
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pass
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@enforce_types
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def progress_bar(seconds: int, prefix: str='') -> None:
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"""show timer in the form of progress bar, with percentage and seconds remaining"""
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chunk = '█' if PYTHON_ENCODING == 'UTF-8' else '#'
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last_width = TERM_WIDTH()
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chunks = last_width - len(prefix) - 20 # number of progress chunks to show (aka max bar width)
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try:
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for s in range(seconds * chunks):
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max_width = TERM_WIDTH()
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if max_width < last_width:
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# when the terminal size is shrunk, we have to write a newline
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# otherwise the progress bar will keep wrapping incorrectly
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sys.stdout.write('\r\n')
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sys.stdout.flush()
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chunks = max_width - len(prefix) - 20
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pct_complete = s / chunks / seconds * 100
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log_pct = (log(pct_complete or 1, 10) / 2) * 100 # everyone likes faster progress bars ;)
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bar_width = round(log_pct/(100/chunks))
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last_width = max_width
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# ████████████████████ 0.9% (1/60sec)
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sys.stdout.write('\r{0}{1}{2}{3} {4}% ({5}/{6}sec)'.format(
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prefix,
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ANSI['green' if pct_complete < 80 else 'lightyellow'],
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(chunk * bar_width).ljust(chunks),
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ANSI['reset'],
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round(pct_complete, 1),
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round(s/chunks),
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seconds,
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))
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sys.stdout.flush()
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time.sleep(1 / chunks)
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# ██████████████████████████████████ 100.0% (60/60sec)
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sys.stdout.write('\r{0}{1}{2}{3} {4}% ({5}/{6}sec)'.format(
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prefix,
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ANSI['red'],
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chunk * chunks,
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ANSI['reset'],
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100.0,
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seconds,
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seconds,
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))
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sys.stdout.flush()
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# uncomment to have it disappear when it hits 100% instead of staying full red:
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# time.sleep(0.5)
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# sys.stdout.write('\r{}{}\r'.format((' ' * TERM_WIDTH()), ANSI['reset']))
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# sys.stdout.flush()
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except (KeyboardInterrupt, BrokenPipeError):
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print()
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def log_cli_command(subcommand: str, subcommand_args: List[str], stdin: Optional[str], pwd: str):
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cmd = ' '.join(('archivebox', subcommand, *subcommand_args))
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stderr('{black}[i] [{now}] ArchiveBox v{VERSION}: {cmd}{reset}'.format(
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now=datetime.now(timezone.utc).strftime('%Y-%m-%d %H:%M:%S'),
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VERSION=VERSION,
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cmd=cmd,
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**ANSI,
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))
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stderr('{black} > {pwd}{reset}'.format(pwd=pwd, **ANSI))
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stderr()
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### Parsing Stage
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def log_importing_started(urls: Union[str, List[str]], depth: int, index_only: bool):
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_LAST_RUN_STATS.parse_start_ts = datetime.now(timezone.utc)
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print('{green}[+] [{}] Adding {} links to index (crawl depth={}){}...{reset}'.format(
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_LAST_RUN_STATS.parse_start_ts.strftime('%Y-%m-%d %H:%M:%S'),
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len(urls) if isinstance(urls, list) else len(urls.split('\n')),
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depth,
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' (index only)' if index_only else '',
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**ANSI,
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))
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def log_source_saved(source_file: str):
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print(' > Saved verbatim input to {}/{}'.format(SOURCES_DIR_NAME, source_file.rsplit('/', 1)[-1]))
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def log_parsing_finished(num_parsed: int, parser_name: str):
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_LAST_RUN_STATS.parse_end_ts = datetime.now(timezone.utc)
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print(' > Parsed {} URLs from input ({})'.format(num_parsed, parser_name))
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def log_deduping_finished(num_new_links: int):
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print(' > Found {} new URLs not already in index'.format(num_new_links))
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def log_crawl_started(new_links):
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print()
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print('{green}[*] Starting crawl of {} sites 1 hop out from starting point{reset}'.format(len(new_links), **ANSI))
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### Indexing Stage
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def log_indexing_process_started(num_links: int):
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start_ts = datetime.now(timezone.utc)
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_LAST_RUN_STATS.index_start_ts = start_ts
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print()
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print('{black}[*] [{}] Writing {} links to main index...{reset}'.format(
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start_ts.strftime('%Y-%m-%d %H:%M:%S'),
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num_links,
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**ANSI,
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))
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def log_indexing_process_finished():
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end_ts = datetime.now(timezone.utc)
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_LAST_RUN_STATS.index_end_ts = end_ts
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def log_indexing_started(out_path: str):
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if IS_TTY:
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sys.stdout.write(f' > ./{Path(out_path).relative_to(OUTPUT_DIR)}')
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def log_indexing_finished(out_path: str):
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print(f'\r √ ./{Path(out_path).relative_to(OUTPUT_DIR)}')
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### Archiving Stage
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def log_archiving_started(num_links: int, resume: Optional[float]=None):
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start_ts = datetime.now(timezone.utc)
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_LAST_RUN_STATS.archiving_start_ts = start_ts
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print()
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if resume:
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print('{green}[▶] [{}] Resuming archive updating for {} pages starting from {}...{reset}'.format(
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start_ts.strftime('%Y-%m-%d %H:%M:%S'),
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num_links,
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resume,
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**ANSI,
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))
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else:
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print('{green}[▶] [{}] Starting archiving of {} snapshots in index...{reset}'.format(
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start_ts.strftime('%Y-%m-%d %H:%M:%S'),
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num_links,
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**ANSI,
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))
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def log_archiving_paused(num_links: int, idx: int, timestamp: str):
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end_ts = datetime.now(timezone.utc)
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_LAST_RUN_STATS.archiving_end_ts = end_ts
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print()
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print('\n{lightyellow}[X] [{now}] Downloading paused on link {timestamp} ({idx}/{total}){reset}'.format(
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**ANSI,
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now=end_ts.strftime('%Y-%m-%d %H:%M:%S'),
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idx=idx+1,
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timestamp=timestamp,
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total=num_links,
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))
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print()
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print(' Continue archiving where you left off by running:')
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print(' archivebox update --resume={}'.format(timestamp))
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def log_archiving_finished(num_links: int):
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from core.models import Snapshot
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end_ts = datetime.now(timezone.utc)
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_LAST_RUN_STATS.archiving_end_ts = end_ts
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assert _LAST_RUN_STATS.archiving_start_ts is not None
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seconds = end_ts.timestamp() - _LAST_RUN_STATS.archiving_start_ts.timestamp()
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if seconds > 60:
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duration = '{0:.2f} min'.format(seconds / 60)
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else:
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duration = '{0:.2f} sec'.format(seconds)
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print()
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print('{}[√] [{}] Update of {} pages complete ({}){}'.format(
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ANSI['green'],
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end_ts.strftime('%Y-%m-%d %H:%M:%S'),
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num_links,
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duration,
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ANSI['reset'],
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))
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print(' - {} links skipped'.format(_LAST_RUN_STATS.skipped))
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print(' - {} links updated'.format(_LAST_RUN_STATS.succeeded + _LAST_RUN_STATS.failed))
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print(' - {} links had errors'.format(_LAST_RUN_STATS.failed))
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if Snapshot.objects.count() < 50:
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print()
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print(' {lightred}Hint:{reset} To manage your archive in a Web UI, run:'.format(**ANSI))
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print(' archivebox server 0.0.0.0:8000')
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def log_link_archiving_started(link: "Link", link_dir: str, is_new: bool):
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# [*] [2019-03-22 13:46:45] "Log Structured Merge Trees - ben stopford"
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# http://www.benstopford.com/2015/02/14/log-structured-merge-trees/
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# > output/archive/1478739709
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print('\n[{symbol_color}{symbol}{reset}] [{symbol_color}{now}{reset}] "{title}"'.format(
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symbol_color=ANSI['green' if is_new else 'black'],
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symbol='+' if is_new else '√',
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now=datetime.now(timezone.utc).strftime('%Y-%m-%d %H:%M:%S'),
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title=link.title or link.base_url,
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**ANSI,
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))
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print(' {blue}{url}{reset}'.format(url=link.url, **ANSI))
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print(' {} {}'.format(
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'>' if is_new else '√',
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pretty_path(link_dir),
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))
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def log_link_archiving_finished(link: "Link", link_dir: str, is_new: bool, stats: dict, start_ts: datetime):
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total = sum(stats.values())
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if stats['failed'] > 0 :
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_LAST_RUN_STATS.failed += 1
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elif stats['skipped'] == total:
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_LAST_RUN_STATS.skipped += 1
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else:
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_LAST_RUN_STATS.succeeded += 1
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size = get_dir_size(link_dir)
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end_ts = datetime.now(timezone.utc)
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duration = str(end_ts - start_ts).split('.')[0]
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print(' {black}{} files ({}) in {}s {reset}'.format(size[2], printable_filesize(size[0]), duration, **ANSI))
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def log_archive_method_started(method: str):
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print(' > {}'.format(method))
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def log_archive_method_finished(result: "ArchiveResult"):
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"""quote the argument with whitespace in a command so the user can
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copy-paste the outputted string directly to run the cmd
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"""
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# Prettify CMD string and make it safe to copy-paste by quoting arguments
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quoted_cmd = ' '.join(
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'"{}"'.format(arg) if ' ' in arg else arg
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for arg in result.cmd
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)
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if result.status == 'failed':
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if result.output.__class__.__name__ == 'TimeoutExpired':
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duration = (result.end_ts - result.start_ts).seconds
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hint_header = [
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'{lightyellow}Extractor timed out after {}s.{reset}'.format(duration, **ANSI),
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]
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else:
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hint_header = [
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'{lightyellow}Extractor failed:{reset}'.format(**ANSI),
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' {reset}{} {red}{}{reset}'.format(
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result.output.__class__.__name__.replace('ArchiveError', ''),
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result.output,
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**ANSI,
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),
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]
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# Prettify error output hints string and limit to five lines
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hints = getattr(result.output, 'hints', None) or ()
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if hints:
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if isinstance(hints, (list, tuple, type(_ for _ in ()))):
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hints = [hint.decode() for hint in hints if isinstance(hint, bytes)]
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else:
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if isinstance(hints, bytes):
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hints = hints.decode()
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hints = hints.split('\n')
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hints = (
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' {}{}{}'.format(ANSI['lightyellow'], line.strip(), ANSI['reset'])
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for line in hints[:5] if line.strip()
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)
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# Collect and prefix output lines with indentation
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output_lines = [
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*hint_header,
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*hints,
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'{}Run to see full output:{}'.format(ANSI['lightred'], ANSI['reset']),
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*([' cd {};'.format(result.pwd)] if result.pwd else []),
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' {}'.format(quoted_cmd),
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]
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print('\n'.join(
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' {}'.format(line)
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for line in output_lines
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if line
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))
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print()
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def log_list_started(filter_patterns: Optional[List[str]], filter_type: str):
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print('{green}[*] Finding links in the archive index matching these {} patterns:{reset}'.format(
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filter_type,
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**ANSI,
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))
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print(' {}'.format(' '.join(filter_patterns or ())))
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def log_list_finished(links):
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from .index.csv import links_to_csv
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print()
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print('---------------------------------------------------------------------------------------------------')
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print(links_to_csv(links, cols=['timestamp', 'is_archived', 'num_outputs', 'url'], header=True, ljust=16, separator=' | '))
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print('---------------------------------------------------------------------------------------------------')
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print()
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def log_removal_started(links: List["Link"], yes: bool, delete: bool):
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print('{lightyellow}[i] Found {} matching URLs to remove.{reset}'.format(len(links), **ANSI))
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if delete:
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file_counts = [link.num_outputs for link in links if Path(link.link_dir).exists()]
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print(
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f' {len(links)} Links will be de-listed from the main index, and their archived content folders will be deleted from disk.\n'
|
|
f' ({len(file_counts)} data folders with {sum(file_counts)} archived files will be deleted!)'
|
|
)
|
|
else:
|
|
print(
|
|
' Matching links will be de-listed from the main index, but their archived content folders will remain in place on disk.\n'
|
|
' (Pass --delete if you also want to permanently delete the data folders)'
|
|
)
|
|
|
|
if not yes:
|
|
print()
|
|
print('{lightyellow}[?] Do you want to proceed with removing these {} links?{reset}'.format(len(links), **ANSI))
|
|
try:
|
|
assert input(' y/[n]: ').lower() == 'y'
|
|
except (KeyboardInterrupt, EOFError, AssertionError):
|
|
raise SystemExit(0)
|
|
|
|
def log_removal_finished(all_links: int, to_remove: int):
|
|
if all_links == 0:
|
|
print()
|
|
print('{red}[X] No matching links found.{reset}'.format(**ANSI))
|
|
else:
|
|
print()
|
|
print('{red}[√] Removed {} out of {} links from the archive index.{reset}'.format(
|
|
to_remove,
|
|
all_links,
|
|
**ANSI,
|
|
))
|
|
print(' Index now contains {} links.'.format(all_links - to_remove))
|
|
|
|
|
|
def log_shell_welcome_msg():
|
|
from .cli import list_subcommands
|
|
|
|
print('{green}# ArchiveBox Imports{reset}'.format(**ANSI))
|
|
print('{green}from core.models import Snapshot, User{reset}'.format(**ANSI))
|
|
print('{green}from archivebox import *\n {}{reset}'.format("\n ".join(list_subcommands().keys()), **ANSI))
|
|
print()
|
|
print('[i] Welcome to the ArchiveBox Shell!')
|
|
print(' https://github.com/ArchiveBox/ArchiveBox/wiki/Usage#Shell-Usage')
|
|
print()
|
|
print(' {lightred}Hint:{reset} Example use:'.format(**ANSI))
|
|
print(' print(Snapshot.objects.filter(is_archived=True).count())')
|
|
print(' Snapshot.objects.get(url="https://example.com").as_json()')
|
|
print(' add("https://example.com/some/new/url")')
|
|
|
|
|
|
|
|
### Helpers
|
|
|
|
@enforce_types
|
|
def pretty_path(path: Union[Path, str]) -> str:
|
|
"""convert paths like .../ArchiveBox/archivebox/../output/abc into output/abc"""
|
|
pwd = Path('.').resolve()
|
|
# parent = os.path.abspath(os.path.join(pwd, os.path.pardir))
|
|
return str(path).replace(str(pwd) + '/', './')
|
|
|
|
|
|
@enforce_types
|
|
def printable_filesize(num_bytes: Union[int, float]) -> str:
|
|
for count in ['Bytes','KB','MB','GB']:
|
|
if num_bytes > -1024.0 and num_bytes < 1024.0:
|
|
return '%3.1f %s' % (num_bytes, count)
|
|
num_bytes /= 1024.0
|
|
return '%3.1f %s' % (num_bytes, 'TB')
|
|
|
|
|
|
@enforce_types
|
|
def printable_folders(folders: Dict[str, Optional["Link"]],
|
|
with_headers: bool=False) -> str:
|
|
return '\n'.join(
|
|
f'{folder} {link and link.url} "{link and link.title}"'
|
|
for folder, link in folders.items()
|
|
)
|
|
|
|
|
|
|
|
@enforce_types
|
|
def printable_config(config: ConfigDict, prefix: str='') -> str:
|
|
return f'\n{prefix}'.join(
|
|
f'{key}={val}'
|
|
for key, val in config.items()
|
|
if not (isinstance(val, dict) or callable(val))
|
|
)
|
|
|
|
|
|
@enforce_types
|
|
def printable_folder_status(name: str, folder: Dict) -> str:
|
|
if folder['enabled']:
|
|
if folder['is_valid']:
|
|
color, symbol, note = 'green', '√', 'valid'
|
|
else:
|
|
color, symbol, note, num_files = 'red', 'X', 'invalid', '?'
|
|
else:
|
|
color, symbol, note, num_files = 'lightyellow', '-', 'disabled', '-'
|
|
|
|
if folder['path']:
|
|
if Path(folder['path']).exists():
|
|
num_files = (
|
|
f'{len(os.listdir(folder["path"]))} files'
|
|
if Path(folder['path']).is_dir() else
|
|
printable_filesize(Path(folder['path']).stat().st_size)
|
|
)
|
|
else:
|
|
num_files = 'missing'
|
|
|
|
path = str(folder['path']).replace(str(OUTPUT_DIR), '.') if folder['path'] else ''
|
|
if path and ' ' in path:
|
|
path = f'"{path}"'
|
|
|
|
# if path is just a plain dot, replace it back with the full path for clarity
|
|
if path == '.':
|
|
path = str(OUTPUT_DIR)
|
|
|
|
return ' '.join((
|
|
ANSI[color],
|
|
symbol,
|
|
ANSI['reset'],
|
|
name.ljust(21),
|
|
num_files.ljust(14),
|
|
ANSI[color],
|
|
note.ljust(8),
|
|
ANSI['reset'],
|
|
path.ljust(76),
|
|
))
|
|
|
|
|
|
@enforce_types
|
|
def printable_dependency_version(name: str, dependency: Dict) -> str:
|
|
version = None
|
|
if dependency['enabled']:
|
|
if dependency['is_valid']:
|
|
color, symbol, note, version = 'green', '√', 'valid', ''
|
|
|
|
parsed_version_num = re.search(r'[\d\.]+', dependency['version'])
|
|
if parsed_version_num:
|
|
version = f'v{parsed_version_num[0]}'
|
|
|
|
if not version:
|
|
color, symbol, note, version = 'red', 'X', 'invalid', '?'
|
|
else:
|
|
color, symbol, note, version = 'lightyellow', '-', 'disabled', '-'
|
|
|
|
path = str(dependency["path"]).replace(str(OUTPUT_DIR), '.') if dependency["path"] else ''
|
|
if path and ' ' in path:
|
|
path = f'"{path}"'
|
|
|
|
return ' '.join((
|
|
ANSI[color],
|
|
symbol,
|
|
ANSI['reset'],
|
|
name.ljust(21),
|
|
version.ljust(14),
|
|
ANSI[color],
|
|
note.ljust(8),
|
|
ANSI['reset'],
|
|
path.ljust(76),
|
|
))
|