Dantenerosas/video_downloader_service
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rework redis, rework web for work with array of links

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This commit is contained in:
garickbadalov
2023-09-29 05:53:27 +03:00
parent ca3cecf271
commit ef6f96bcde
10 changed files with 153 additions and 124 deletions
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2
src/core/async_queue.py
View File

@@ -8,5 +8,5 @@ redis = RedisClient()
class AsyncQueue(asyncio.Queue):
async def put(self, item):
await redis.set_task_to_queue(item)
await redis.set_task_to_queue(item["link"], item)
return await super().put(item)

35
src/core/master_service.py
View File

@@ -12,12 +12,10 @@ from src.core.redis_client import RedisClient
from src.core.result import Result, ResultTypeEnum
from src.exceptions.download_exceptions import FileAlreadyExistException, SiteNotImplementedException
from src.parsers.MyMail.my_mail_parser import MyMailParser
from src.parsers.Okru.ok_parser import OkParser
from src.parsers.Yappy.yappy_parser import YappyParser
from src.parsers.base_parser import BaseParser
from loguru import logger
from src.parsers.parser_mapping import get_parser
# TODO: добавить логгер с временными метками в yt-dlp
class MasterService:
@@ -40,12 +38,17 @@ class MasterService:
await asyncio.gather(self.rabbit_consumer(self.queue), *tasks)
async def result_processing(self, result: Result | list, redis: RedisClient, video_params: dict):
await redis.del_task_from_tasks_and_add_to_task_done(task=result.value, link=video_params["link"])
await publish_message_with_task_done(task=result.value)
self.queue.task_done()
async def create_workers(self):
while True:
video_params = await self.queue.get()
redis = RedisClient()
await redis.del_tasks_queue()
await redis.del_task_from_queue_and_add_to_tasks(task=video_params)
await redis.del_task_from_queue_and_add_to_tasks(link=video_params["link"], task=video_params)
self.currently_underway[video_params['link']] = video_params
download_task = self.loop.run_in_executor(self.executor, partial(
@@ -53,18 +56,7 @@ class MasterService:
))
result: Result = await download_task
if result.result_type in [ResultTypeEnum.DONE, ResultTypeEnum.EXIST]:
await redis.del_task_from_tasks_and_add_to_task_done(task=result.value, working_task=video_params)
await publish_message_with_task_done(task=result.value)
self.queue.task_done()
else:
error_message = {
"link": video_params["link"],
"result": result.value,
"status": "error"
}
await redis.del_task_from_tasks_and_add_to_task_done(task=result.value, working_task=video_params)
await publish_message_with_task_done(task=error_message)
await self.result_processing(result, redis, video_params)
if video_params['link'] in self.currently_underway:
del self.currently_underway[video_params['link']]
@@ -106,7 +98,13 @@ class MasterService:
"link": video_params["link"],
"result": result,
"status": "done"
}) if not isinstance(result, list)\
else Result(result_type=ResultTypeEnum.DONE, value={
"link": video_params["link"],
"result": [result_part for result_part in result],
"status": "done"
})
except FileAlreadyExistException as ex:
return Result(result_type=ResultTypeEnum.EXIST, value={
"link": video_params["link"],
@@ -120,14 +118,9 @@ class MasterService:
"status": "error"
})
except Exception as ex:
Result(result_type=ResultTypeEnum.EXCEPTION, value={
"link": video_params["link"],
"result": traceback.format_exc(),
"status": "error"
})
return Result(result_type=ResultTypeEnum.EXCEPTION, value={
"link": video_params["link"],
"result": "Unknown exception encountered",
"result": traceback.format_exc(),
"status": "error"
})
# TODO upload to server

2
src/core/rabbitmq.py
View File

@@ -28,7 +28,7 @@ async def get_messages(inner_queue) -> None:
await asyncio.Future()
async def publish_message_with_task_done(task: dict) -> None:
async def publish_message_with_task_done(task: dict | list) -> None:
queue_name = "tasks_done"
async with await connect("amqp://guest:guest@localhost/") as connection:
# Creating channel

60
src/core/redis_client.py
View File

@@ -8,60 +8,56 @@ class RedisClient:
TASKS_NAME = "tasks_working"
TASKS_DONE_NAME = "tasks_done"
# TODO: переписать всё вазимодействие редиса обратно на ключ-значение
def __init__(self):
self.connection = redis.Redis(host="localhost", port=6379, db=0)
async def _set_task(self, task: dict, queue_name) -> int:
async def _set_task(self, queue_name: str, link: str, task: dict | list, ) -> int:
async with self.connection as connection:
res = await connection.sadd(f'{queue_name}:1', json.dumps(task, indent=4).encode('utf-8'))
res = await connection.hset(queue_name, link, json.dumps(task, indent=4).encode('utf-8'))
return res
async def _del_task(self, task: dict, queue_name) -> int:
async def _del_task(self, queue_name: str, link: str,) -> int:
async with self.connection as connection:
res = await connection.srem(f'{queue_name}:1', json.dumps(task, indent=4).encode('utf-8'))
res = await connection.hdel(queue_name, link)
return res
async def set_task_to_queue(self, task: dict) -> int:
async with self.connection as connection:
res = await connection.sadd(self.SET_NAME, json.dumps(task, indent=4).encode('utf-8'))
async def set_task_to_queue(self, link: str, task: dict | list) -> int:
res = await self._set_task(queue_name=self.SET_NAME, link=link, task=task)
return res
async def get_queue(self) -> set:
async def get_all_tasks_from_queue(self, queue_name: str) -> dict:
async with self.connection as connection:
res = await connection.smembers(self.SET_NAME + f":1")
res = await connection.hgetall(queue_name)
return res
async def get_tasks(self) -> set:
async with self.connection as connection:
res = await connection.smembers(self.TASKS_NAME + f":1")
return res
# async def get_tasks(self) -> set:
# async with self.connection as connection:
# res = await connection.smembers(self.TASKS_NAME + f":1")
# return res
async def get_task_done_queue(self) -> set:
async with self.connection as connection:
res = await connection.smembers(self.TASKS_DONE_NAME + f":1")
return res
# async def get_task_done_queue(self) -> set:
# async with self.connection as connection:
# res = await connection.smembers(self.TASKS_DONE_NAME + f":1")
# return res
async def del_task_from_queue(self, task: dict) -> int:
async with self.connection as connection:
res = await connection.srem(self.SET_NAME, json.dumps(task, indent=4).encode('utf-8'))
return res
# async def del_task_from_queue(self, link, task: dict) -> int:
# async with self.connection as connection:
# res = await self._del_task(self.SET_NAME, json.dumps(task, indent=4).encode('utf-8'))
# return res
async def del_task_from_queue_and_add_to_tasks(self, task: dict) -> int:
await self._del_task(task, self.SET_NAME)
return await self._set_task(task, self.TASKS_NAME)
async def del_task_from_queue_and_add_to_tasks(self, link: str, task: dict | list) -> int:
await self._del_task(self.SET_NAME, link)
return await self._set_task(self.TASKS_NAME, link, task)
async def del_task_from_tasks_and_add_to_task_done(self, task: dict, working_task: dict) -> int:
await self._del_task(working_task, self.TASKS_NAME)
return await self._set_task(task, self.TASKS_DONE_NAME)
async def del_task_from_tasks_and_add_to_task_done(self, task: dict | list, link: str) -> int:
await self._del_task(self.TASKS_NAME, link)
return await self._set_task(self.TASKS_DONE_NAME, link, task)
async def del_task_from_task_done_queue(self, task) -> int:
async with self.connection as connection:
res = await connection.srem(self.TASKS_DONE_NAME + f":1", json.dumps(task, indent=4).encode('utf-8'))
res = await self._del_task(self.TASKS_DONE_NAME, task["link"])
return res
async def del_tasks_queue(self) -> int:
async with self.connection as connection:
res = await connection.delete(self.TASKS_NAME + f":1")
res = await connection.delete(self.TASKS_NAME)
return res

2
src/core/result.py
View File

@@ -10,7 +10,7 @@ class ResultTypeEnum(Enum):
class Result:
def __init__(self, result_type: ResultTypeEnum, value: str | dict = None):
def __init__(self, result_type: ResultTypeEnum, value: str | dict | list = None):
self.result_type = result_type
self.value = value

23
src/parsers/Okru/ok_parser.py
View File

@@ -4,6 +4,7 @@ import requests
from bs4 import BeautifulSoup
from src.exceptions.download_exceptions import FileAlreadyExistException
from src.parsers.base_parser import BaseParser
@@ -16,12 +17,24 @@ class OkParser(BaseParser):
resp.encoding = self.BASE_ENCODING
soup = BeautifulSoup(resp.text, 'lxml')
required_div = [div for div in soup.find_all('div', {'class': 'invisible'}) if len(div['class']) < 2][0]
link = required_div.find('span').find('span').find('a').get("href")
self.params["link"] = link
return link
video_tags = required_div.find('span').find_all_next('span', {'itemprop': "video"})
links = [video_tag.find('a').get("href") for video_tag in video_tags]
return links
except Exception as ex:
raise
def video_download(self):
self.get_video_link()
super().video_download()
base_link = self.params["link"]
links = self.get_video_link()
file_paths = []
for link in links:
try:
self.params["link"] = link
file_path = super().video_download()
file_paths.append(file_path)
except FileAlreadyExistException as ex:
file_paths.append(ex.message)
continue
self.params["link"] = base_link
return file_paths

4
src/parsers/base_parser.py
View File

@@ -20,11 +20,11 @@ class BaseParser:
"logger": logger,
"merge_output_format": self.params["merge_output_format"],
'outtmpl': self.params["outtmpl"],
"quiet": True
# "quiet": True
}
downloader = VideoDownloader(link=self.params["link"], ydl_opts=ydl_opts)
downloader.get_info()
path_to_video = f"{downloader.info['extractor_key']}/{downloader.info['id']}_{downloader.info['width']}p.{downloader.info['ext']}"
path_to_video = f"{downloader.info['extractor_key']}/{downloader.info['id']}_{downloader.info['resolution']}.{downloader.info['ext']}"
if os.path.exists(os.path.join(os.getcwd() + "/downloads/" + path_to_video)):
raise FileAlreadyExistException(message=path_to_video)
downloader.ydl_opts["quiet"] = False

3
src/parsers/parser_mapping.py
View File

@@ -6,9 +6,11 @@ from src.parsers.Okru.ok_parser import OkParser
from src.parsers.Yappy.yappy_parser import YappyParser
from src.parsers.base_parser import BaseParser
def compile_regex(regex):
return re.compile(regex, re.IGNORECASE | re.DOTALL | re.MULTILINE)
parser_mapping = OrderedDict(
{
compile_regex(r"^my.mail.ru/"): MyMailParser,
@@ -24,6 +26,7 @@ parser_mapping = OrderedDict(
}
)
def get_parser(uri):
for regex in parser_mapping:
if regex.match(uri):

84
src/web/main.py
View File

@@ -27,7 +27,6 @@ app.add_middleware(
allow_headers=["*"],
)
'''
await self.app(scope, receive, send)
File "/home/admin/video_downloader_service/.venv/lib/python3.10/site-packages/starlette/routing.py", line 66, in app
@@ -61,32 +60,19 @@ queue_name -> {
async def is_task_already_done_or_exist(redis: RedisClient, link: str):
messages = await redis.get_task_done_queue()
temp = [json.loads(msg) for msg in messages]
tasks = [
msg for msg in temp
if msg["link"] == link
and msg["status"] in ["done", "exist"]
]
messages = await redis.get_all_tasks_from_queue(redis.TASKS_DONE_NAME)
tasks = {k.decode("utf-8"): json.loads(v.decode("utf-8")) for k, v in messages.items()} if messages else None
if len(tasks) > 0:
task = tasks[0]
if os.path.exists(os.path.join(os.getcwd(), os.pardir, os.pardir + "/downloads/" + task["result"])):
return task
await redis.del_task_from_task_done_queue(task)
if tasks and link in tasks and tasks[link]["status"] in ["done", "exist"]:
return tasks[link]
async def is_task_in_process(redis: RedisClient, link: str):
messages = await redis.get_tasks()
messages = await redis.get_all_tasks_from_queue(redis.TASKS_NAME)
tasks = {k.decode("utf-8"): json.loads(v.decode("utf-8")) for k, v in messages.items()} if messages else None
tasks = [
literal_eval(message.decode('utf-8')) for message in messages
if literal_eval(message.decode('utf-8'))["link"] == link
]
if len(tasks) > 0:
task = tasks[0]
return task
if tasks and link in tasks:
return tasks[link]
@app.get("/")
@@ -101,10 +87,13 @@ async def get_url_for_download_video(request: Request, data: SubmitIn = Depends(
# TODO: где-то не обновился статус после выполнения\провала задачи
task_in_process = await is_task_in_process(red, data.link)
if task_in_process:
return JSONResponse({"result": "Задача в работе. Ожидайте"})
return JSONResponse(status_code=202, content={"result": "Задача в работе. Ожидайте"})
if task_done:
link_to_download_video = str(request.base_url) + "get/?file_path=" + task_done["result"]
return JSONResponse({"result": link_to_download_video})
if isinstance(task_done["result"], str):
links_to_download_video = [str(request.base_url) + "get/?file_path=" + task_done["result"]]
else:
links_to_download_video = [str(request.base_url) + "get/?file_path=" + path for path in task_done["result"]]
return JSONResponse({"result": links_to_download_video})
# TODO: учесть, что если делать запрос CURL\urllib3\etc, в теле может быть несколько ссылок -> должно быть создано несколько задач
async with await connect("amqp://guest:guest@localhost/") as connection:
@@ -115,7 +104,7 @@ async def get_url_for_download_video(request: Request, data: SubmitIn = Depends(
"link": data.link,
"format": f"bestvideo[ext={data.video_format.value}]+bestaudio[ext={data.audio_format.value}]/best[ext={data.video_format.value}]/best",
"merge_output_format": data.merge_output_format.value,
"outtmpl": f"downloads/%(extractor_key)s/%(id)s_%(width)sp.%(ext)s",
"outtmpl": f"downloads/%(extractor_key)s/%(id)s_%(resolution)s.%(ext)s",
}, ]
# Sending the message
for link in body:
@@ -147,44 +136,41 @@ async def download_video(file_path):
with open(base_download_dir + f'/{file_path}', mode="rb") as file_like:
yield from file_like
return StreamingResponse(iterfile(), headers={'Content-Disposition': f'inline; filename="{file_path}"'}, media_type="video")
return StreamingResponse(iterfile(), headers={'Content-Disposition': f'inline; filename="{file_path}"'},
media_type="video")
@app.post('/check/', response_class=FileResponse, status_code=200)
async def download_video(data: CheckIn, request: Request):
try:
red = RedisClient()
messages_task_done = await red.get_all_tasks_from_queue(red.TASKS_DONE_NAME)
messages_tasks = await red.get_all_tasks_from_queue(red.TASKS_NAME)
messages_task_done = await red.get_task_done_queue()
messages_tasks = await red.get_tasks()
tasks_done = {k.decode("utf-8"): json.loads(v.decode("utf-8")) for k, v in
messages_task_done.items()} if messages_task_done else None
tasks_done = [
literal_eval(message.decode('utf-8')) for message in messages_task_done
if literal_eval(message.decode('utf-8'))["link"] == data.link
]
tasks = [
literal_eval(message.decode('utf-8')) for message in messages_tasks
if literal_eval(message.decode('utf-8'))["link"] == data.link
]
tasks = {k.decode("utf-8"): json.loads(v.decode("utf-8")) for k, v in
messages_tasks.items()} if messages_tasks else None
error_tasks = [
tasks_done.pop(tasks_done.index(error_task)) for error_task in tasks_done if error_task["status"] == "error"
] if tasks_done else None
if tasks and len(tasks) > 0:
task = tasks[0]
if tasks and data.link in tasks:
return JSONResponse(
status_code=202,
content={"result": f"Задача {task['link']} в данный момент в работе, выполняется"}
content={"result": f"Задача {data.link} в данный момент в работе, выполняется"}
)
# TODO: если уже была попытка сделать задачу и в редисе она с ошибкой, то переташить её в очередь на выполнение с очисткой состояние об ошибке
if error_tasks and len(error_tasks) > 0:
error_task = error_tasks[0]
await red.del_task_from_task_done_queue(error_task)
if data.link in tasks_done and tasks_done[data.link]["status"] == "error":
await red.del_task_from_task_done_queue(tasks_done[data.link])
return JSONResponse(status_code=510,
content={"result": f"Задача выполнена с ошибкой, попробуйте загрузить еще раз"})
if len(tasks_done) > 0:
link_to_download_video = str(request.base_url) + "get/?file_path=" + tasks_done[0]["result"]
return JSONResponse({"result": link_to_download_video})
if tasks_done and data.link in tasks_done:
if isinstance(tasks_done[data.link]["result"], str):
links_to_download_video = [str(request.base_url) + "get/?file_path=" + tasks_done[data.link]["result"]]
else:
links_to_download_video = [str(request.base_url) + "get/?file_path=" + path for path in
tasks_done[data.link]["result"]]
return JSONResponse({"result": links_to_download_video})
return JSONResponse(status_code=404, content={"result": "Задача не найдена"})
except (AttributeError, IndexError):
return JSONResponse(status_code=404, content={"result": "Задача не найдена"})

54
src/web/templates/index.html
View File

@@ -77,7 +77,7 @@
<input type="text" name="merge_output_format" placeholder="merge_output_format">
<button type="submit" class="custom-btn btn-1"><span class="submit-spinner submit-spinner_hide"></span> Download</button>
</form>
<div class="col">
<div id="linksList" class="col">
<p> Ссылка для скачивания:</p>
<br>
<a id="result" href="" download></a>
@@ -87,12 +87,32 @@
</div>
</body>
<script>
function createLink(url) {
var link = document.createElement('a');
link.className = "addedLink";
link.setAttribute('download', '');
link.innerHTML = url;
link.href = url;
return link;
}
function createLinksList(urls) {
var mydiv = document.getElementById("linksList");
urls.forEach((element) => {
mydiv.appendChild(createLink(element));
var br = document.createElement('br');
br.className = "addedBr";
mydiv.appendChild(br);
}
);
};
function sendReq() {
document.forms.download.querySelector('[type="submit"]').disabled = true;
document.forms.download.querySelector('.submit-spinner').classList.remove('submit-spinner_hide');
const link = document.getElementById("link").value
const xhr2 = new XMLHttpRequest();
// TODO: скорректировать ссылку, она должна быть относительной
xhr2.open('POST', 'http://'+document.location.host+'/check/');
xhr2.responseType = 'json';
xhr2.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
@@ -113,8 +133,11 @@
document.forms.download.querySelector('.submit-spinner').classList.add('submit-spinner_hide');
};
} else if (xhr2.status === 200) {
result.innerHTML = xhr2.response.result;
result.href = xhr2.response.result;
console.log(xhr2.response)
if (document.getElementById("result").texContent !== '') {
document.getElementById("result").textContent = ''
};
createLinksList(xhr2.response["result"]);
document.forms.download.querySelector('[type="submit"]').disabled = false;
document.forms.download.querySelector('.submit-spinner').classList.add('submit-spinner_hide');
};
@@ -127,6 +150,16 @@
function sendForm() {
const links = document.querySelectorAll('.addedLink');
links.forEach(link => {
link.remove();
}
);
const brs = document.querySelectorAll('.addedBr');
brs.forEach(br => {
br.remove();
}
);
const xhr = new XMLHttpRequest();
xhr.open('POST', document.forms.download.action);
xhr.responseType = 'json';
@@ -140,12 +173,17 @@
};
const response = xhr.response;
result.innerHTML = xhr.response.result;
result.href = xhr.response.result;
console.log(response);
if (xhr.status === 201) {
sendReq()
}
} else if (xhr.status === 202) {
result.innerHTML = xhr.response.result;
result.href = xhr.response.result;
} else {
console.log(response["result"]);
createLinksList(response["result"]);
};
}
xhr.onerror = () => {
document.forms.download.querySelector('[type="submit"]').disabled = false;