ytptube/app/library/config.py
2024-12-19 22:58:33 +03:00

327 lines
10 KiB
Python

import logging
import os
import re
import sys
import time
import coloredlogs
from .version import APP_VERSION
from dotenv import load_dotenv
from yt_dlp.version import __version__ as YTDLP_VERSION
from .Utils import load_file
from pathlib import Path
class Config:
__instance = None
config_path: str = "."
download_path: str = "."
temp_path: str = "/tmp"
temp_keep: bool = False
db_file: str = "{config_path}/ytptube.db"
manual_archive: str = "{config_path}/archive.manual.log"
url_host: str = ""
url_prefix: str = ""
url_socketio: str = "{url_prefix}socket.io"
output_template: str = "%(title)s.%(ext)s"
output_template_chapter: str = "%(title)s - %(section_number)s %(section_title)s.%(ext)s"
ytdl_options: dict | str = {}
ytdl_debug: bool = False
host: str = "0.0.0.0"
port: int = 8081
keep_archive: bool = True
base_path: str = ""
log_level: str = "info"
allow_manifestless: bool = False
max_workers: int = 1
version: str = APP_VERSION
debug: bool = False
debugpy_port: int = 5678
new_version_available: bool = False
extract_info_timeout: int = 70
socket_timeout: int = 30
started: int = 0
streamer_vcodec = "libx264"
streamer_acodec = "aac"
auth_username: str = None
auth_password: str = None
ytdlp_version: str = YTDLP_VERSION
tasks: list = []
presets: list = [
{"name": "default", "format": "default", "postprocessors": [], "args": {}},
{
"name": "Video - 1080p h264/acc",
"format": "bv[height<=1080][ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b[ext=webm]",
"args": {
"format_sort": ["vcodec:h264"],
},
},
{
"name": "Video - 720p h264/acc",
"format": "bv[height<=720][ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b[ext=webm]",
"args": {
"format_sort": ["vcodec:h264"],
},
},
{
"name": "Audio - Best audio [MP3]",
"format": "bestaudio/best",
"postprocessors": [
{
"key": "FFmpegExtractAudio",
"preferredcodec": "mp3",
"preferredquality": "5",
"nopostoverwrites": False,
},
{"key": "FFmpegMetadata", "add_chapters": True, "add_metadata": True, "add_infojson": "if_exists"},
{"key": "EmbedThumbnail", "already_have_thumbnail": False},
{"key": "FFmpegConcat", "only_multi_video": True, "when": "playlist"},
],
"args": {
"outtmpl": {"pl_thumbnail": ""},
"ignoreerrors": "only_download",
"retries": 10,
"fragment_retries": 10,
"writethumbnail": True,
"extract_flat": "discard_in_playlist",
"final_ext": "mp3",
},
},
]
_manual_vars: tuple = (
"temp_path",
"config_path",
"download_path",
)
_immutable: tuple = (
"version",
"__instance",
"ytdl_options",
"tasks",
"new_version_available",
"ytdlp_version",
"started",
"presets",
)
_int_vars: tuple = (
"port",
"max_workers",
"socket_timeout",
"extract_info_timeout",
"debugpy_port",
)
_boolean_vars: tuple = (
"keep_archive",
"ytdl_debug",
"debug",
"temp_keep",
"allow_manifestless",
)
_frontend_vars: tuple = (
"download_path",
"keep_archive",
"output_template",
"ytdlp_version",
"version",
"url_host",
"started",
"url_prefix",
)
@staticmethod
def get_instance():
"""Static access method."""
return Config() if not Config.__instance else Config.__instance
def __init__(self):
"""Virtually private constructor."""
if Config.__instance is not None:
raise Exception("This class is a singleton. Use Config.get_instance() instead.")
else:
Config.__instance = self
baseDefaultPath: str = str(Path(__file__).parent.parent.parent.absolute())
self.temp_path = os.environ.get("YTP_TEMP_PATH", None) or os.path.join(baseDefaultPath, "var", "tmp")
self.config_path = os.environ.get("YTP_CONFIG_PATH", None) or os.path.join(baseDefaultPath, "var", "config")
self.download_path = os.environ.get("YTP_DOWNLOAD_PATH", None) or os.path.join(
baseDefaultPath, "var", "downloads"
)
envFile: str = os.path.join(self.config_path, ".env")
if os.path.exists(envFile):
logging.info(f"Loading environment variables from '{envFile}'.")
load_dotenv(envFile)
for k, v in self._getAttributes().items():
if k.startswith("_") or k in self._manual_vars:
continue
# If the variable declared as immutable, set it to the default value.
if k in self._immutable:
setattr(self, k, v)
continue
lookUpKey: str = f"YTP_{k}".upper()
setattr(self, k, os.environ[lookUpKey] if lookUpKey in os.environ else v)
for k, v in self.__dict__.items():
if k.startswith("_") or k in self._immutable or k in self._manual_vars:
continue
if isinstance(v, str) and "{" in v and "}" in v:
for key in re.findall(r"\{.*?\}", v):
localKey: str = key[1:-1]
if localKey not in self.__dict__:
logging.error(f"Config variable '{k}' had non-existing config reference '{key}'.")
sys.exit(1)
v = v.replace(key, getattr(self, localKey))
setattr(self, k, v)
if k in self._boolean_vars:
if str(v).lower() not in (True, False, "true", "false", "on", "off", "1", "0"):
raise ValueError(f"Config variable '{k}' is set to a non-boolean value '{v}'.")
setattr(self, k, str(v).lower() in (True, "true", "on", "1"))
if k in self._int_vars:
setattr(self, k, int(v))
if not self.url_prefix.endswith("/"):
self.url_prefix += "/"
numeric_level = getattr(logging, self.log_level.upper(), None)
if not isinstance(numeric_level, int):
raise ValueError(f"Invalid log level '{self.log_level}' specified.")
coloredlogs.install(
level=numeric_level, fmt="%(asctime)s [%(name)s] [%(levelname)-5.5s] %(message)s", datefmt="%H:%M:%S"
)
LOG = logging.getLogger("config")
if self.debug:
try:
import debugpy
debugpy.listen(("0.0.0.0", self.debugpy_port))
LOG.info(f"starting debugpy server on '0.0.0.0:{self.debugpy_port}'.")
except ImportError:
LOG.error("debugpy package not found, please install it with 'pip install debugpy'.")
except Exception as e:
LOG.error(f"Error starting debugpy server at '0.0.0.0:{self.debugpy_port}'. {e}")
optsFile: str = os.path.join(self.config_path, "ytdlp.json")
if os.path.exists(optsFile) and os.path.getsize(optsFile) > 4:
LOG.info(f"Loading yt-dlp custom options from '{optsFile}'.")
(opts, status, error) = load_file(optsFile, dict)
if not status:
LOG.error(f"Could not load yt-dlp custom options from '{optsFile}'. {error}")
sys.exit(1)
self.ytdl_options.update(opts)
else:
LOG.info(f"No yt-dlp custom options found at '{optsFile}'.")
tasksFile = os.path.join(self.config_path, "tasks.json")
if os.path.exists(tasksFile) and os.path.getsize(tasksFile) > 0:
LOG.info(f"Loading tasks from '{tasksFile}'.")
try:
(tasks, status, error) = load_file(tasksFile, list)
if not status:
LOG.error(f"Could not load tasks file from '{tasksFile}'. '{error}'.")
sys.exit(1)
self.tasks.extend(tasks)
except Exception:
pass
presetsFile = os.path.join(self.config_path, "presets.json")
if os.path.exists(presetsFile) and os.path.getsize(presetsFile) > 0:
LOG.info(f"Loading extra presets from '{presetsFile}'.")
try:
(presets, status, error) = load_file(presetsFile, list)
if not status:
LOG.error(f"Could not load presets file from '{presetsFile}'. '{error}'.")
sys.exit(1)
for preset in presets:
if "name" not in preset:
LOG.error(f"Missing 'name' key in preset '{preset}'.")
continue
if "format" not in preset:
LOG.error(f"Missing 'format' key in preset '{preset}'.")
continue
if "args" not in preset:
preset["args"] = {}
if "postprocessors" not in preset:
preset["postprocessors"] = []
self.presets.append(preset)
except Exception:
pass
self.ytdl_options["socket_timeout"] = self.socket_timeout
if self.keep_archive:
LOG.info("keep archive option is enabled.")
self.ytdl_options["download_archive"] = os.path.join(self.config_path, "archive.log")
if self.temp_keep:
LOG.info("Keep temp files option is enabled.")
if self.auth_password and self.auth_username:
LOG.warning(f"Basic authentication enabled with username '{self.auth_username}'.")
self.started = time.time()
def _getAttributes(self) -> dict:
attrs: dict = {}
vClass: str = self.__class__
for attribute in vClass.__dict__.keys():
if attribute.startswith("_"):
continue
value = getattr(vClass, attribute)
if not callable(value):
attrs[attribute] = value
return attrs
def frontend(self) -> dict:
"""
Returns configuration variables relevant to the frontend.
Returns:
dict: A dictionary with the frontend configuration
"""
return {k: getattr(self, k) for k in self._frontend_vars}