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#! /usr/bin/env python
# -*- coding: utf-8 -*-
import logging
import os
from dateutil.relativedelta import relativedelta
from datetime import datetime, date
import click
from werkzeug.security import generate_password_hash
import newspipe.models
from newspipe.bootstrap import application, db
from newspipe.controllers import UserController, ArticleController
logger = logging.getLogger("commands")
@application.cli.command("db_empty")
def db_empty():
"Will drop every datas stocked in db."
with application.app_context():
newspipe.models.db_empty(db)
@application.cli.command("db_create")
def db_create():
"Will create the database from conf parameters."
with application.app_context():
try:
db.create_all()
except Exception as e:
print(e)
@application.cli.command("create_admin")
@click.option('--nickname', default='admin', help='Nickname')
@click.option('--password', default='password', help='Password')
def create_admin(nickname, password):
"Will create an admin user."
admin = {
"is_admin": True,
"is_api": True,
"is_active": True,
"nickname": nickname,
"pwdhash": generate_password_hash(password),
}
with application.app_context():
try:
UserController(ignore_context=True).create(**admin)
except Exception as e:
print(e)
@application.cli.command("delete_user")
@click.option('--user-id', required=True, help='Id of the user to delete.')
def delete_user(user_id=None):
"Delete the user with the id specified in the command line."
try:
user = UserController().delete(user_id)
print("User {} deleted".format(user.nickname))
except Exception as e:
print(e)
@application.cli.command("delete_inactive_users")
@click.option('--last-seen', default=6, help='Number of months since last seen.')
def delete_inactive_users(last_seen):
"Delete inactive users (inactivity is given in parameter and specified in number of months)."
filter = {}
filter["last_seen__lt"] = date.today() - relativedelta(months=last_seen)
users = UserController().read(**filter)
for user in users:
db.session.delete(user)
try:
print("Deleting user {}...".format(user.nickname))
db.session.commit()
except:
db.session.rollback()
print("Inactive users deleted.")
@application.cli.command("disable_inactive_users")
@click.option('--last-seen', default=6, help='Number of months since last seen.')
def disable_inactive_users(last_seen):
"Disable inactive users (inactivity is given in parameter and specified in number of months)."
filter = {}
filter["last_seen__lt"] = date.today() - relativedelta(months=last_seen)
users = UserController().read(**filter)
for user in users:
user.is_active = False
user.is_public_profile = False
user.automatic_crawling = False
try:
print("Updating user {}...".format(user.nickname))
db.session.commit()
except:
db.session.rollback()
print("Inactive users disabled.")
@application.cli.command("delete_read_articles")
def delete_read_articles():
"Delete read articles retrieved since more than 15 days ago."
filter = {}
filter["user_id__ne"] = 1
#filter["readed"] = True # temporary comment
filter["retrieved_date__lt"] = date.today() - relativedelta(days=15)
articles = ArticleController().read(**filter).limit(5000)
for article in articles:
try:
db.session.delete(article)
db.session.commit()
except:
db.session.rollback()
print("Read articles deleted.")
@application.cli.command("fix_article_entry_id")
def fix_article_entry_id():
filter = {}
filter["entry_id"] = None
articles = ArticleController().read(**filter).limit(50)
for article in articles:
try:
article.entry_id = str(article.id)
db.session.commit()
except:
db.session.rollback()
@application.cli.command("fetch_asyncio")
@click.option('--user-id', default=None, help='Id of the user')
@click.option('--feed-id', default=None, help='If of the feed')
def fetch_asyncio(user_id=None, feed_id=None):
"Crawl the feeds with asyncio."
import asyncio
with application.app_context():
from newspipe.crawler import default_crawler
filters = {}
filters["is_active"] = True
filters["automatic_crawling"] = True
if None is not user_id:
filters["id"] = user_id
users = UserController().read(**filters).all()
try:
feed_id = int(feed_id)
except:
feed_id = None
loop = asyncio.get_event_loop()
queue = asyncio.Queue(maxsize=3, loop=loop)
producer_coro = default_crawler.retrieve_feed(queue, users, feed_id)
consumer_coro = default_crawler.insert_articles(queue, 1)
logger.info("Starting crawler.")
start = datetime.now()
loop.run_until_complete(asyncio.gather(producer_coro, consumer_coro))
end = datetime.now()
loop.close()
logger.info("Crawler finished in {} seconds.".format((end - start).seconds))
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