ytdl-sub/ytdl_subscribe/ytdl_additions/enhanced_download_archive.py

92 lines
2.6 KiB
Python

import json
from dataclasses import dataclass
from pathlib import Path
from typing import Dict
from typing import List
from ytdl_subscribe.entries.entry import Entry
@dataclass
class DownloadMapping:
upload_date: str
file_paths: List[str]
class DownloadMappings:
def __init__(self):
self._entry_mappings: Dict[str, DownloadMapping] = {}
@classmethod
def from_json(cls, file_path: str) -> "DownloadMappings":
entry_mappings = DownloadMappings()
entry_mappings._entry_mappings = json.load(open(file_path, "r", encoding="utf8"))
return entry_mappings
def to_json(self) -> str:
return json.dumps(
{
uid: mapping
for uid, mapping in sorted(
self._entry_mappings.items(),
key=lambda item: item[1]["upload_date"],
reverse=True,
)
}
)
class DownloadArchive:
"""
Class to handle any operations to the ytdl download archive. Try to keep it as barebones as
possible in case of future changes.
"""
def __init__(
self,
):
self._download_archive_lines: List[str] = []
@classmethod
def from_file(cls, file_path: str) -> "DownloadArchive":
lines = open(file_path, "r", encoding="utf8").readlines()
download_archive = DownloadArchive()
download_archive._download_archive_lines = lines
return download_archive
class EnhancedDownloadArchive:
"""
Maintains ytdl's download archive file as well as create an additional mapping file to map
ytdl ids to multiple files
"""
def __init__(self, name: str):
self.name = name
self._download_archive = None
self._download_mapping = None
self._appended_entries: List[Entry] = []
@property
def download_archive_file_name(self):
return f".ytdl-subscribe-{self.name}-download-archive.txt"
@property
def download_mapping_file_name(self):
return f".ytdl-subscribe-{self.name}-download-mapping.json"
def load(self, directory: str) -> "EnhancedDownloadArchive":
self._download_archive = DownloadArchive.from_file(
file_path=str(Path(directory) / self.download_archive_file_name)
)
self._download_mapping = DownloadMappings.from_json(
file_path=str(Path(directory) / self.download_mapping_file_name)
)
return self
# def append(self, entry: Entry, relative_file_path: str):
# self._appended_entries.append(
# EntryMapping(entry=entry, relative_file_path=relative_file_path))
#