mirror of
https://github.com/ArchiveBox/ArchiveBox
synced 2024-11-12 23:47:17 +00:00
87 lines
2.4 KiB
Python
87 lines
2.4 KiB
Python
__package__ = 'archivebox.extractors'
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from pathlib import Path
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from typing import Optional
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import json
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from ..index.schema import Link, ArchiveResult, ArchiveError
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from ..system import run, chmod_file
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from ..util import (
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enforce_types,
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is_static_file,
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chrome_args,
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)
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from ..config import (
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TIMEOUT,
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SAVE_SINGLEFILE,
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SINGLEFILE_BINARY,
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SINGLEFILE_VERSION,
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CHROME_BINARY,
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)
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from ..logging_util import TimedProgress
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@enforce_types
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def should_save_singlefile(link: Link, out_dir: Optional[str]=None) -> bool:
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out_dir = out_dir or link.link_dir
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if is_static_file(link.url):
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return False
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output = Path(out_dir or link.link_dir) / 'singlefile.html'
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return SAVE_SINGLEFILE and (not output.exists())
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@enforce_types
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def save_singlefile(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""download full site using single-file"""
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out_dir = out_dir or link.link_dir
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output = str(Path(out_dir).absolute() / "singlefile.html")
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browser_args = chrome_args(TIMEOUT=0)
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# SingleFile CLI Docs: https://github.com/gildas-lormeau/SingleFile/tree/master/cli
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cmd = [
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SINGLEFILE_BINARY,
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'--browser-executable-path={}'.format(CHROME_BINARY),
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'--browser-args="{}"'.format(json.dumps(browser_args[1:])),
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link.url,
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output
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, cwd=out_dir, timeout=timeout)
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# parse out number of files downloaded from last line of stderr:
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# "Downloaded: 76 files, 4.0M in 1.6s (2.52 MB/s)"
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output_tail = [
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line.strip()
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for line in (result.stdout + result.stderr).decode().rsplit('\n', 3)[-3:]
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if line.strip()
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]
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hints = (
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'Got single-file response code: {}.'.format(result.returncode),
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*output_tail,
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)
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# Check for common failure cases
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if (result.returncode > 0):
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raise ArchiveError('SingleFile was not able to archive the page', hints)
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chmod_file(output)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=out_dir,
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cmd_version=SINGLEFILE_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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