mirror of
https://github.com/ArchiveBox/ArchiveBox.git
synced 2024-09-19 23:49:07 -04:00
83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
__package__ = 'archivebox.extractors'
|
|
|
|
from pathlib import Path
|
|
|
|
from typing import Optional
|
|
import json
|
|
|
|
from ..index.schema import Link, ArchiveResult, ArchiveError
|
|
from ..system import run, atomic_write
|
|
from ..util import (
|
|
enforce_types,
|
|
download_url,
|
|
|
|
)
|
|
from ..config import (
|
|
TIMEOUT,
|
|
SAVE_READABILITY,
|
|
READABILITY_BINARY,
|
|
READABILITY_VERSION,
|
|
CHROME_BINARY,
|
|
)
|
|
from ..logging_util import TimedProgress
|
|
|
|
|
|
@enforce_types
|
|
def should_save_readability(link: Link, out_dir: Optional[str]=None) -> bool:
|
|
out_dir = out_dir or link.link_dir
|
|
|
|
output = Path(out_dir or link.link_dir) / 'readability.json'
|
|
return SAVE_READABILITY and (not output.exists())
|
|
|
|
|
|
@enforce_types
|
|
def save_readability(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
|
|
"""download reader friendly version using @mozilla/readability"""
|
|
|
|
out_dir = out_dir or link.link_dir
|
|
output = str(Path(out_dir).absolute() / "readability.json")
|
|
|
|
document = download_url(link.url)
|
|
|
|
# SingleFile CLI Docs: https://github.com/gildas-lormeau/SingleFile/tree/master/cli
|
|
cmd = [
|
|
READABILITY_BINARY,
|
|
document
|
|
]
|
|
|
|
status = 'succeeded'
|
|
timer = TimedProgress(timeout, prefix=' ')
|
|
try:
|
|
result = run(cmd, cwd=out_dir, timeout=timeout)
|
|
result_json = json.loads(result.stdout)
|
|
atomic_write(output, result_json)
|
|
|
|
# parse out number of files downloaded from last line of stderr:
|
|
# "Downloaded: 76 files, 4.0M in 1.6s (2.52 MB/s)"
|
|
output_tail = [
|
|
line.strip()
|
|
for line in (result.stdout + result.stderr).decode().rsplit('\n', 3)[-3:]
|
|
if line.strip()
|
|
]
|
|
hints = (
|
|
'Got readability response code: {}.'.format(result.returncode),
|
|
*output_tail,
|
|
)
|
|
|
|
# Check for common failure cases
|
|
if (result.returncode > 0):
|
|
raise ArchiveError('Readability was not able to archive the page', hints)
|
|
except Exception as err:
|
|
status = 'failed'
|
|
output = err
|
|
finally:
|
|
timer.end()
|
|
|
|
return ArchiveResult(
|
|
cmd=cmd,
|
|
pwd=out_dir,
|
|
cmd_version=READABILITY_VERSION,
|
|
output=output,
|
|
status=status,
|
|
**timer.stats,
|
|
)
|