writing a bit of doc, moving crawler together

1 files changed, 0 insertions, 168 deletions

diff --git a/src/crawler.py b/src/crawler.py
deleted file mode 100644
index 0598c418..00000000
--- a/src/crawler.py
+++ /dev/null
@@ -1,168 +0,0 @@
-#! /usr/bin/env python
-# -*- coding: utf-8 -
-
-# jarr - A Web based news aggregator.
-# Copyright (C) 2010-2015  Cédric Bonhomme - https://www.JARR-aggregator.org
-#
-# For more information : https://github.com/JARR-aggregator/JARR/
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-__author__ = "Cedric Bonhomme"
-__version__ = "$Revision: 3.3 $"
-__date__ = "$Date: 2010/09/02 $"
-__revision__ = "$Date: 2015/12/07 $"
-__copyright__ = "Copyright (c) Cedric Bonhomme"
-__license__ = "AGPLv3"
-
-import asyncio
-import logging
-import feedparser
-import dateutil.parser
-from datetime import datetime
-from sqlalchemy import or_
-
-import conf
-from bootstrap import db
-from web.models import User
-from web.controllers import FeedController, ArticleController
-from web.lib.feed_utils import construct_feed_from, is_parsing_ok
-from web.lib.article_utils import construct_article, extract_id
-
-logger = logging.getLogger(__name__)
-
-sem = asyncio.Semaphore(5)
-
-import ssl
-try:
-    _create_unverified_https_context = ssl._create_unverified_context
-except AttributeError:
-    # Legacy Python that doesn't verify HTTPS certificates by default
-    pass
-else:
-    # Handle target environment that doesn't support HTTPS verification
-    ssl._create_default_https_context = _create_unverified_https_context
-
-
-async def get(*args, **kwargs):
-    #kwargs["connector"] = aiohttp.TCPConnector(verify_ssl=False)
-    try:
-        data = feedparser.parse(args[0])
-        return data
-    except Exception as e:
-        raise e
-
-
-async def parse_feed(user, feed):
-    """
-    Fetch a feed.
-    Update the feed and return the articles.
-    """
-    parsed_feed = None
-    up_feed = {}
-    articles = []
-    with (await sem):
-        try:
-            parsed_feed = await get(feed.link)
-        except Exception as e:
-            up_feed['last_error'] = str(e)
-            up_feed['error_count'] = feed.error_count + 1
-        finally:
-            up_feed['last_retrieved'] = datetime.now(dateutil.tz.tzlocal())
-            if parsed_feed is None:
-                FeedController().update({'id': feed.id}, up_feed)
-                return
-
-    if not is_parsing_ok(parsed_feed):
-        up_feed['last_error'] = str(parsed_feed['bozo_exception'])
-        up_feed['error_count'] = feed.error_count + 1
-        FeedController().update({'id': feed.id}, up_feed)
-        return
-    if parsed_feed['entries'] != []:
-        articles = parsed_feed['entries']
-
-    up_feed['error_count'] = 0
-    up_feed['last_error'] = ""
-
-    # Feed informations
-    construct_feed_from(feed.link, parsed_feed).update(up_feed)
-    if feed.title and 'title' in up_feed:
-        # do not override the title set by the user
-        del up_feed['title']
-    FeedController().update({'id': feed.id}, up_feed)
-
-    return articles
-
-
-async def insert_database(user, feed):
-
-    articles = await parse_feed(user, feed)
-    if None is articles:
-        return []
-
-    logger.debug('inserting articles for {}'.format(feed.title))
-
-    logger.info("Database insertion...")
-    new_articles = []
-    art_contr = ArticleController(user.id)
-    for article in articles:
-        exist = art_contr.read(feed_id=feed.id,
-                        **extract_id(article)).count() != 0
-        if exist:
-            logger.debug("Article %r (%r) already in the database.",
-                         article['title'], article['link'])
-            continue
-        article = construct_article(article, feed)
-        try:
-            new_articles.append(art_contr.create(**article))
-            logger.info("New article % (%r) added.",
-                        article['title'], article['link'])
-        except Exception:
-            logger.exception("Error when inserting article in database:")
-            continue
-    return new_articles
-
-
-async def init_process(user, feed):
-    # Fetch the feed and insert new articles in the database
-    articles = await insert_database(user, feed)
-    logger.debug('inserted articles for %s', feed.title)
-    return articles
-
-
-def retrieve_feed(loop, user, feed_id=None):
-    """
-    Launch the processus.
-    """
-    logger.info("Starting to retrieve feeds.")
-
-    # Get the list of feeds to fetch
-    user = User.query.filter(User.email == user.email).first()
-    feeds = [feed for feed in user.feeds if
-             feed.error_count <= conf.DEFAULT_MAX_ERROR and feed.enabled]
-    if feed_id is not None:
-        feeds = [feed for feed in feeds if feed.id == feed_id]
-
-    if feeds == []:
-        return
-
-    # Launch the process for all the feeds
-    tasks = [asyncio.ensure_future(init_process(user, feed)) for feed in feeds]
-
-    try:
-        loop.run_until_complete(asyncio.wait(tasks))
-    except Exception:
-        logger.exception('an error occured')
-
-    logger.info("All articles retrieved. End of the processus.")