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refactored redis functions into dedicated RedisArchivist class

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This commit is contained in:
simon 2021-09-28 10:33:00 +07:00
parent a242f744d5
commit f5a56fca86
7 changed files with 107 additions and 100 deletions
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13
tubearchivist/home/apps.py
View File

@ -4,7 +4,7 @@ import os
from django.apps import AppConfig
from home.src.config import AppConfig as ArchivistConfig
from home.src.helper import del_message, set_message
from home.src.helper import RedisArchivist
from home.src.index_management import index_check
@ -15,11 +15,14 @@ def sync_redis_state():
config_handler.load_new_defaults()
config = config_handler.config
sort_order = config["archive"]["sort"]
set_message("sort_order", sort_order, expire=False)
redis_archivist = RedisArchivist()
redis_archivist.set_message("sort_order", sort_order, expire=False)
hide_watched = bool(int(config["archive"]["hide_watched"]))
set_message("hide_watched", hide_watched, expire=False)
redis_archivist.set_message("hide_watched", hide_watched, expire=False)
show_subed_only = bool(int(config["archive"]["show_subed_only"]))
set_message("show_subed_only", show_subed_only, expire=False)
redis_archivist.set_message(
"show_subed_only", show_subed_only, expire=False
)
def make_folders():
@ -39,7 +42,7 @@ def release_lock():
"""make sure there are no leftover locks set in redis on container start"""
all_locks = ["manual_import", "downloading", "dl_queue", "dl_queue_id"]
for lock in all_locks:
response = del_message(lock)
response = RedisArchivist().del_message(lock)
if response:
print("deleted leftover key from redis: " + lock)

8
tubearchivist/home/src/config.py
View File

@ -8,7 +8,7 @@ Functionality:
import json
import os
from home.src.helper import get_message, set_message
from home.src.helper import RedisArchivist
class AppConfig:
@ -51,7 +51,7 @@ class AppConfig:
@staticmethod
def get_config_redis():
"""read config json set from redis to overwrite defaults"""
config = get_message("config")
config = RedisArchivist().get_message("config")
if not list(config.values())[0]:
return False
@ -73,7 +73,7 @@ class AppConfig:
config_dict, config_value = key.split(".")
config[config_dict][config_value] = to_write
set_message("config", config, expire=False)
RedisArchivist().set_message("config", config, expire=False)
def load_new_defaults(self):
"""check config.json for missing defaults"""
@ -100,4 +100,4 @@ class AppConfig:
needs_update = True
if needs_update:
set_message("config", redis_config, expire=False)
RedisArchivist().set_message("config", redis_config, expire=False)

12
tubearchivist/home/src/download.py
View File

@ -16,10 +16,10 @@ import yt_dlp as youtube_dl
from home.src.config import AppConfig
from home.src.helper import (
DurationConverter,
RedisArchivist,
RedisQueue,
clean_string,
ignore_filelist,
set_message,
)
from home.src.index import YoutubeChannel, index_new_video
@ -43,7 +43,7 @@ class PendingList:
"title": "Adding to download queue.",
"message": "Extracting lists",
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
# extract
url = entry["url"]
url_type = entry["type"]
@ -98,7 +98,7 @@ class PendingList:
"title": "Adding to download queue.",
"message": "Processing IDs...",
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
# add last newline
bulk_list.append("\n")
query_str = "\n".join(bulk_list)
@ -264,7 +264,7 @@ class PendingList:
"title": "Added to ignore list",
"message": "",
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
if not request.ok:
print(request)
@ -350,7 +350,7 @@ class ChannelSubscription:
for channel in all_channels:
channel_id = channel["channel_id"]
last_videos = self.get_last_youtube_videos(channel_id)
set_message(
RedisArchivist().set_message(
"progress:download",
{
"status": "rescan",
@ -468,7 +468,7 @@ class VideoDownloader:
"title": title,
"message": message,
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
def dl_single_vid(self, youtube_id):
"""download single video"""

73
tubearchivist/home/src/helper.py
View File

@ -13,8 +13,6 @@ import unicodedata
import redis
import requests
REDIS_HOST = os.environ.get("REDIS_HOST")
def get_total_hits(index, es_url, match_field):
"""get total hits from index"""
@ -82,52 +80,59 @@ def process_url_list(url_str):
return youtube_ids
def set_message(key, message, expire=True):
class RedisArchivist:
"""collection of methods to interact with redis"""
REDIS_HOST = os.environ.get("REDIS_HOST")
def __init__(self):
self.redis_connection = redis.Redis(host=self.REDIS_HOST)
def set_message(self, key, message, expire=True):
"""write new message to redis"""
redis_connection = redis.Redis(host=REDIS_HOST)
redis_connection.execute_command("JSON.SET", key, ".", json.dumps(message))
self.redis_connection.execute_command(
"JSON.SET", key, ".", json.dumps(message)
)
if expire:
redis_connection.execute_command("EXPIRE", key, 20)
self.redis_connection.execute_command("EXPIRE", key, 20)
def get_message(key):
"""get any message from JSON key"""
redis_connection = redis.Redis(host=REDIS_HOST)
reply = redis_connection.execute_command("JSON.GET", key)
def get_message(self, key):
"""get message dict from redis"""
reply = self.redis_connection.execute_command("JSON.GET", key)
if reply:
json_str = json.loads(reply)
else:
json_str = {"status": False}
return json_str
def del_message(key):
def del_message(self, key):
"""delete key from redis"""
redis_connection = redis.Redis(host=REDIS_HOST)
response = redis_connection.execute_command("DEL", key)
response = self.redis_connection.execute_command("DEL", key)
return response
def get_dl_message(cache_dir):
"""get latest message if available"""
redis_connection = redis.Redis(host=REDIS_HOST)
reply = redis_connection.execute_command("JSON.GET", "progress:download")
if reply:
json_str = json.loads(reply)
elif json_str := monitor_cache_dir(cache_dir):
json_str = monitor_cache_dir(cache_dir)
else:
json_str = {"status": False}
return json_str
def get_lock(lock_key):
def get_lock(self, lock_key):
"""handle lock for task management"""
redis_lock = redis.Redis(host=REDIS_HOST).lock(lock_key)
redis_lock = self.redis_connection.lock(lock_key)
return redis_lock
def get_dl_message(self, cache_dir):
"""get latest download progress message if available"""
reply = self.redis_connection.execute_command(
"JSON.GET", "progress:download"
)
if reply:
json_str = json.loads(reply)
elif json_str := self.monitor_cache_dir(cache_dir):
json_str = self.monitor_cache_dir(cache_dir)
else:
json_str = {"status": False}
def monitor_cache_dir(cache_dir):
return json_str
@staticmethod
def monitor_cache_dir(cache_dir):
"""
look at download cache dir directly as alternative progress info
"""
@ -151,9 +156,11 @@ def monitor_cache_dir(cache_dir):
class RedisQueue:
"""dynamically interact with the download queue in redis"""
REDIS_HOST = os.environ.get("REDIS_HOST")
def __init__(self, key):
self.key = key
self.conn = redis.Redis(host=REDIS_HOST)
self.conn = redis.Redis(host=self.REDIS_HOST)
def get_all(self):
"""return all elements in list"""

9
tubearchivist/home/src/reindex.py
View File

@ -18,11 +18,10 @@ import requests
from home.src.config import AppConfig
from home.src.download import ChannelSubscription, PendingList, VideoDownloader
from home.src.helper import (
RedisArchivist,
clean_string,
get_message,
get_total_hits,
ignore_filelist,
set_message,
)
from home.src.index import YoutubeChannel, YoutubeVideo, index_new_video
@ -128,7 +127,7 @@ class Reindex:
"title": "Scraping all youtube channels",
"message": message,
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
channel_index = YoutubeChannel(channel_id)
subscribed = channel_index.channel_dict["channel_subscribed"]
channel_index.channel_dict = channel_index.build_channel_dict(
@ -472,7 +471,7 @@ def reindex_old_documents():
"""daily refresh of old documents"""
# check needed last run
now = int(datetime.now().strftime("%s"))
last_reindex = get_message("last_reindex")
last_reindex = RedisArchivist().get_message("last_reindex")
if isinstance(last_reindex, int) and now - last_reindex < 60 * 60 * 24:
return
# continue if needed
@ -480,4 +479,4 @@ def reindex_old_documents():
reindex_handler.check_outdated()
reindex_handler.reindex()
# set timestamp
set_message("last_reindex", now, expire=False)
RedisArchivist().set_message("last_reindex", now, expire=False)

12
tubearchivist/home/tasks.py
View File

@ -9,7 +9,7 @@ import os
from celery import Celery, shared_task
from home.src.config import AppConfig
from home.src.download import ChannelSubscription, PendingList, VideoDownloader
from home.src.helper import RedisQueue, del_message, get_lock, set_message
from home.src.helper import RedisArchivist, RedisQueue
from home.src.index_management import backup_all_indexes, restore_from_backup
from home.src.reindex import ManualImport, reindex_old_documents
@ -39,7 +39,7 @@ def download_pending():
"""download latest pending videos"""
have_lock = False
my_lock = get_lock("downloading")
my_lock = RedisArchivist().get_lock("downloading")
try:
have_lock = my_lock.acquire(blocking=False)
@ -65,7 +65,7 @@ def download_single(youtube_id):
# start queue if needed
have_lock = False
my_lock = get_lock("downloading")
my_lock = RedisArchivist().get_lock("downloading")
try:
have_lock = my_lock.acquire(blocking=False)
@ -100,7 +100,7 @@ def run_manual_import():
print("starting media file import")
have_lock = False
my_lock = get_lock("manual_import")
my_lock = RedisArchivist().get_lock("manual_import")
try:
have_lock = my_lock.acquire(blocking=False)
@ -133,7 +133,7 @@ def run_restore_backup():
def kill_dl(task_id):
"""kill download worker task by ID"""
app.control.revoke(task_id, terminate=True)
_ = del_message("dl_queue_id")
_ = RedisArchivist().del_message("dl_queue_id")
RedisQueue("dl_queue").clear()
# clear cache
@ -149,4 +149,4 @@ def kill_dl(task_id):
"title": "Brutally killing download queue",
"message": "",
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)

34
tubearchivist/home/views.py
View File

@ -14,13 +14,7 @@ from django.utils.http import urlencode
from django.views import View
from home.src.config import AppConfig
from home.src.download import ChannelSubscription, PendingList
from home.src.helper import (
RedisQueue,
get_dl_message,
get_message,
process_url_list,
set_message,
)
from home.src.helper import RedisArchivist, RedisQueue, process_url_list
from home.src.index import WatchState
from home.src.searching import Pagination, SearchForm, SearchHandler
from home.tasks import (
@ -114,8 +108,8 @@ class HomeView(View):
"""read needed values from redis"""
config_handler = AppConfig().config
colors = config_handler["application"]["colors"]
sort_order = get_message("sort_order")
hide_watched = get_message("hide_watched")
sort_order = RedisArchivist().get_message("sort_order")
hide_watched = RedisArchivist().get_message("hide_watched")
return colors, sort_order, hide_watched
@staticmethod
@ -208,7 +202,7 @@ class DownloadView(View):
"title": "Failed to extract links.",
"message": "Not a video, channel or playlist ID or URL",
}
set_message("progress:download", mess_dict)
RedisArchivist().set_message("progress:download", mess_dict)
return redirect("downloads")
print(youtube_ids)
@ -322,7 +316,7 @@ class ChannelView(View):
"query": {"match_all": {}},
"sort": [{"channel_name.keyword": {"order": "asc"}}],
}
show_subed_only = get_message("show_subed_only")
show_subed_only = RedisArchivist().get_message("show_subed_only")
if show_subed_only:
data["query"] = {"term": {"channel_subscribed": {"value": True}}}
search = SearchHandler(url, data)
@ -442,7 +436,7 @@ def progress(request):
"""endpoint for download progress ajax calls"""
config = AppConfig().config
cache_dir = config["application"]["cache_dir"]
json_data = get_dl_message(cache_dir)
json_data = RedisArchivist().get_dl_message(cache_dir)
return JsonResponse(json_data)
@ -524,7 +518,7 @@ class PostData:
running = download_pending.delay()
task_id = running.id
print("set task id: " + task_id)
set_message("dl_queue_id", task_id, expire=False)
RedisArchivist().set_message("dl_queue_id", task_id, expire=False)
return {"success": True}
def queue_handler(self):
@ -534,7 +528,7 @@ class PostData:
print("stopping download queue")
RedisQueue("dl_queue").clear()
elif to_execute == "kill":
task_id = get_message("dl_queue_id")
task_id = RedisArchivist().get_message("dl_queue_id")
print("brutally killing " + task_id)
kill_dl(task_id)
@ -552,21 +546,25 @@ class PostData:
def sort_order(self):
"""change the sort between published to downloaded"""
sort_order = self.exec_val
set_message("sort_order", sort_order, expire=False)
RedisArchivist().set_message("sort_order", sort_order, expire=False)
return {"success": True}
def hide_watched(self):
"""toggle if to show watched vids or not"""
hide_watched = bool(int(self.exec_val))
print(f"hide watched: {hide_watched}")
set_message("hide_watched", hide_watched, expire=False)
RedisArchivist().set_message(
"hide_watched", hide_watched, expire=False
)
return {"success": True}
def show_subed_only(self):
"""show or hide subscribed channels only on channels page"""
show_subed_only = bool(int(self.exec_val))
print(f"show subed only: {show_subed_only}")
set_message("show_subed_only", show_subed_only, expire=False)
RedisArchivist().set_message(
"show_subed_only", show_subed_only, expire=False
)
return {"success": True}
def dlnow(self):
@ -576,7 +574,7 @@ class PostData:
running = download_single.delay(youtube_id=youtube_id)
task_id = running.id
print("set task id: " + task_id)
set_message("dl_queue_id", task_id, expire=False)
RedisArchivist().set_message("dl_queue_id", task_id, expire=False)
return {"success": True}
@staticmethod