mirror of
https://github.com/ArchiveBox/ArchiveBox
synced 2024-11-26 06:00:22 +00:00
102 lines
3.4 KiB
Python
102 lines
3.4 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 enforce_types, is_static_file, dedupe
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from ..logging_util import TimedProgress
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def get_output_path():
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return 'singlefile.html'
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@enforce_types
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def should_save_singlefile(link: Link, out_dir: Optional[Path]=None, overwrite: Optional[bool]=False) -> bool:
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from plugins_extractor.singlefile.apps import SINGLEFILE_CONFIG
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if is_static_file(link.url):
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return False
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out_dir = out_dir or Path(link.link_dir)
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if not overwrite and (out_dir / get_output_path()).exists():
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return False
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return SINGLEFILE_CONFIG.SAVE_SINGLEFILE
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@enforce_types
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def save_singlefile(link: Link, out_dir: Optional[Path]=None, timeout: int=60) -> ArchiveResult:
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"""download full site using single-file"""
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from plugins_extractor.chrome.apps import CHROME_CONFIG, CHROME_BINARY
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from plugins_extractor.singlefile.apps import SINGLEFILE_CONFIG, SINGLEFILE_BINARY
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CHROME_BIN = CHROME_BINARY.load()
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assert CHROME_BIN.abspath and CHROME_BIN.version
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SINGLEFILE_BIN = SINGLEFILE_BINARY.load()
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assert SINGLEFILE_BIN.abspath and SINGLEFILE_BIN.version
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out_dir = out_dir or Path(link.link_dir)
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output = get_output_path()
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browser_args = CHROME_CONFIG.chrome_args(CHROME_TIMEOUT=0)
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# SingleFile CLI Docs: https://github.com/gildas-lormeau/SingleFile/tree/master/cli
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options = [
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'--browser-executable-path={}'.format(CHROME_BIN.abspath),
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*(["--browser-cookies-file={}".format(SINGLEFILE_CONFIG.SINGLEFILE_COOKIES_FILE)] if SINGLEFILE_CONFIG.SINGLEFILE_COOKIES_FILE else []),
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'--browser-args={}'.format(json.dumps(browser_args)),
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*SINGLEFILE_CONFIG.SINGLEFILE_EXTRA_ARGS,
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]
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cmd = [
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str(SINGLEFILE_BIN.abspath),
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*dedupe(options),
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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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result = None
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try:
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result = run(cmd, cwd=str(out_dir), timeout=timeout, text=True, capture_output=True)
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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).rsplit('\n', 5)[-5:]
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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) or not (out_dir / output).is_file():
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raise ArchiveError(f'SingleFile was not able to archive the page (status={result.returncode})', hints)
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chmod_file(output, cwd=str(out_dir))
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except (Exception, OSError) as err:
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status = 'failed'
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# TODO: Make this prettier. This is necessary to run the command (escape JSON internal quotes).
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cmd[2] = cmd[2].replace('"', "\\\"")
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if result:
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err.hints = (result.stdout + result.stderr).split('\n')
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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=str(out_dir),
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cmd_version=str(SINGLEFILE_BIN.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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