ytdl-sub/ytdl_subscribe/config/preset_options.py
2022-04-22 23:16:35 +00:00

85 lines
3.4 KiB
Python

from typing import Optional
from yt_dlp.utils import sanitize_filename
from ytdl_subscribe.entries.entry import Entry
from ytdl_subscribe.validators.date_range_validator import DateRangeValidator
from ytdl_subscribe.validators.strict_dict_validator import StrictDictValidator
from ytdl_subscribe.validators.string_formatter_validators import DictFormatterValidator
from ytdl_subscribe.validators.string_formatter_validators import OverridesStringFormatterValidator
from ytdl_subscribe.validators.string_formatter_validators import StringFormatterValidator
from ytdl_subscribe.validators.validators import BoolValidator
from ytdl_subscribe.validators.validators import LiteralDictValidator
class YTDLOptions(LiteralDictValidator):
"""Ensures `ytdl_options` is a dict"""
class Overrides(DictFormatterValidator):
"""Ensures `overrides` is a dict"""
def __init__(self, name, value):
super().__init__(name, value)
for key in self._keys:
sanitized_key_name = f"sanitized_{key}"
# First, sanitize the format string
self._value[sanitized_key_name] = sanitize_filename(self._value[key].format_string)
# Then, convert it into a StringFormatterValidator
self._value[sanitized_key_name] = StringFormatterValidator(
name="__should_never_fail__",
value=self._value[sanitized_key_name],
)
def apply_formatter(
self, formatter: StringFormatterValidator, entry: Optional[Entry] = None
) -> str:
"""
Returns the format_string after .format has been called on it using entry (if provided) and
override values
"""
variable_dict = self.dict_with_format_strings
if entry:
variable_dict = dict(entry.to_dict(), **variable_dict)
return formatter.apply_formatter(variable_dict)
class OutputOptions(StrictDictValidator):
"""Where to output the final files and thumbnails"""
_required_keys = {"output_directory", "file_name"}
_optional_keys = {
"thumbnail_name",
"maintain_download_archive",
"keep_files",
}
def __init__(self, name, value):
super().__init__(name, value)
# Output directory should resolve without any entry variables.
# This is to check the directory for any download-archives before any downloads begin
self.output_directory: OverridesStringFormatterValidator = self._validate_key(
key="output_directory", validator=OverridesStringFormatterValidator
)
# file name and thumbnails however can use entry variables
self.file_name: StringFormatterValidator = self._validate_key(
key="file_name", validator=StringFormatterValidator
)
self.thumbnail_name = self._validate_key_if_present(
key="thumbnail_name", validator=StringFormatterValidator
)
self.maintain_download_archive = self._validate_key_if_present(
key="maintain_download_archive", validator=BoolValidator, default=False
)
self.delete_stale_files = self._validate_key_if_present(
key="keep_files", validator=DateRangeValidator
)
if self.delete_stale_files and not self.maintain_download_archive:
raise self._validation_exception(
"keep_files requires maintain_download_archive set to True"
)