forked from miaowm5/RSSGen
/
spider.py
143 lines (125 loc) · 4.52 KB
/
spider.py
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# !/usr/bin/env python
# -*- coding:utf-8 -*-
import leancloud, auth, PyRSS2Gen
from datetime import datetime, timedelta
from leancloud import Object, Query, LeanCloudError
import recipe
Feed = Object.extend('FeedItem')
FeedInfo = Object.extend('FeedInfo')
OnlineFeed = Object.extend('OnlineFeed')
DebugLog = Object.extend('DebugLog')
def get_info(name):
query = Query(FeedInfo).equal_to('name', name)
try: info = query.first()
except LeanCloudError, e:
if e.code == 101:
info = FeedInfo()
info.set('name', name)
else: raise(e)
return info
def save_data(data):
try: data.save()
except LeanCloudError, e: print "Save feed error: %s" % str(e)
def set_feed_data(name, data):
item = Feed()
item.set('name', name)
item.set('title', data[0])
item.set('time', data[1])
item.set('link', data[2])
item.set('content', data[3])
save_data(item)
def save_rss(name, rss, info):
count = 0
for data in rss.get_item():
count += 1
set_feed_data(name, data)
print('Spider %s, add %s new feed' % (name, count))
if count > 0: save_data(info)
if len(rss.log) == 0: return
log = DebugLog()
log.set('name', name)
for key,value in rss.log: log.set(str(key), value)
save_data(log)
def save(all_feed=False, feed_name=None):
for r in rss_list(all_feed):
name = r.name
if feed_name and feed_name != name: continue
info = get_info(name)
rss = r(info=info)
try: save_rss(name, rss, info)
except Exception as e: print('save %s fail : %s' % (r.name, str(e)))
def rss_list(all_feed=False):
if all_feed: return (set(recipe.recipe_list) | set(recipe.hide_list))
else: return set(recipe.recipe_list)
def save_online(feed_name=None):
feeds = Query(OnlineFeed).find()
base = recipe.base_list
for r in feeds:
base_class = base.get(r.get('base'), None)
if not base_class: continue
name = 'ol-%s' % r.get('name')
if feed_name and feed_name != name: continue
info = get_info(name)
rss = base_class(info=info)
rss.set_online_recipe(r.get('data'))
try: save_rss(name, rss, info)
except Exception as e: print('save %s fail : %s' % (r.name, str(e)))
def online_rss_list():
try: return [a.get('name') for a in Query(OnlineFeed).find()]
except LeanCloudError, e:
if e.code == 101: return []
else: raise(e)
return []
def get_all_feed(name):
try:
query = Query(Feed)
query.equal_to('name', name).descending("time")
return query.find()
except LeanCloudError, e:
if e.code == 101: return []
else: raise(e)
return []
def show(name):
rss = PyRSS2Gen.RSS2(title=name,link="https://github.com/miaowm5",description="RSSGen By Miaowm5")
for e in get_all_feed(name):
title = e.get('title')
time = e.get('time')
time = datetime(*(time.utctimetuple()[0:6]))
link = e.get('link')
content = e.get('content')
item = PyRSS2Gen.RSSItem(title=title,pubDate=time,
link=link,description=content)
rss.items.append(item)
r = rss.to_xml(encoding='utf-8')
return r.replace('<rss version="2.0">',
'<?xml-stylesheet type="text/xsl" href="../static/xml_style.xsl" ?><rss version="2.0">')
def clear():
for r in rss_list(all_feed=True): clear_feed(r.name, r.oldest)
def clear_online():
for r in Query(OnlineFeed).find(): clear_feed('ol-%s' % r.get('name'), r.get('data')[4])
def clear_feed(name, day):
oldest = datetime.now() - timedelta(days=day)
query = Query(Feed)
query.equal_to('name', name).less_than("time", oldest)
for e in query.find():
print('delete old feed: %s (%s)' % (e.get('title').encode('utf-8'), e.get('time')))
e.destroy()
def add_online_feed(name, base, data):
try: feed = Query(OnlineFeed).equal_to('name', name).first()
except LeanCloudError, e:
if e.code == 101:
feed = OnlineFeed()
feed.set('name', name)
else: raise(e)
feed.set('base', base)
feed.set('data', data)
feed.save()
def get_online_feed(name):
try: feed = Query(OnlineFeed).equal_to('name', name).first()
except LeanCloudError, e:
if e.code == 101: return [name, '', None]
else: raise(e)
return [feed.get('name'), feed.get('base'), feed.get('data')]
def remove_online_feed(name):
Query(OnlineFeed).equal_to('name', name).first().destroy()
for e in Query(Feed).equal_to('name', 'ol-%s' % name).find(): e.destroy()