More free functions

This commit is contained in:
I-Al-Istannen
2020-04-23 19:18:21 +02:00
parent 076b8c5a1f
commit f3f4be2690
5 changed files with 44 additions and 84 deletions

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@ -4,4 +4,5 @@ Synchronizing files from ILIAS instances (https://www.ilias.de/).
from .authenticators import IliasAuthenticator, KitShibbolethAuthenticator
from .crawler import IliasCrawler, IliasDirectoryFilter
from .download_strategies import *
from .downloader import IliasDownloader

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@ -0,0 +1,40 @@
"""
Contains a few default strategies for limiting the amount of downloaded files.
"""
import logging
from typing import Callable
from ..organizer import Organizer
from ..utils import PrettyLogger
from .downloader import IliasDownloadInfo
LOGGER = logging.getLogger(__name__)
PRETTY = PrettyLogger(LOGGER)
DownloadStrategy = Callable[[Organizer, IliasDownloadInfo], bool]
def download_everything(organizer: Organizer, info: IliasDownloadInfo) -> bool:
# pylint: disable=unused-argument
"""
Accepts everything.
"""
return True
def download_modified_or_new(organizer: Organizer, info: IliasDownloadInfo) -> bool:
"""
Accepts new files or files with a more recent modification date.
"""
resolved_file = organizer.resolve(info.path)
if not resolved_file.exists() or info.modification_date is None:
return True
resolved_mod_time_seconds = resolved_file.stat().st_mtime
# Download if the info is newer
if info.modification_date.timestamp() > resolved_mod_time_seconds:
return True
PRETTY.filtered_path(info.path, "Local file had newer or equal modification time")
return False