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sajaniemi_variable_dataset_large / pool /shard005 /Python /0044756_tasks.py

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#    Eve W-Space
#    Copyright (C) 2013  Andrew Austin and other contributors
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version. An additional term under section
#    7 of the GPL is included in the LICENSE file.
#
#    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 General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
from celery import task
from django.core.cache import cache
import urllib
import json
from models import Alliance, Corporation, NewsFeed
from API import utils as handler
import eveapi
import feedparser

@task()
def update_alliance(allianceID):
    """
    Updates an alliance and it's corporations from the API.
    """
    api = eveapi.EVEAPIConnection(cacheHandler=handler)
    allianceapi = api.eve.AllianceList().alliances.Get(allianceID)
    if Alliance.objects.filter(id=allianceID).count():
        # Alliance exists, update it
        for corp in allianceapi.memberCorporations:
            try:
                update_corporation(corp.corporationID)
            except AttributeError:
                # Pass on this exception because one Russian corp has an
                # unavoidable bad character in their description
                pass
        alliance = Alliance.objects.get(id=allianceID)
        alliance.name = allianceapi.name
        alliance.shortname = allianceapi.shortName
        # Check to see if we have a record for the executor
        if Corporation.objects.filter(id=allianceapi.executorCorpID).count():
            alliance.executor = Corporation.objects.get(id=allianceapi.executorCorpID)
    else:
        # Alliance doesn't exists, add it without executor, update corps
        # and then update the executor
        alliance = Alliance(id=allianceapi.allianceID, name=allianceapi.name,
                shortname=allianceapi.shortName, executor=None)
        alliance.save()
        for corp in allianceapi.memberCorporations:
            try:
                update_corporation(corp.corporationID)
            except AttributeError:
                # Fuck you, xCAPITALSx
                pass
        try:
            # If an alliance's executor can't be processed for some reason,
            # set it to None
            alliance.executor = Corporation.objects.get(id=allianceapi.executorCorpID)
        except:
            alliance.executor = None
        alliance.save()

@task()
def update_corporation(corpID):
    """
    Updates a corporation from the API. If it's alliance doesn't exist,
    update that as well.
    """
    api = eveapi.EVEAPIConnection(cacheHandler=handler)
    # Encapsulate this in a try block because one corp has a fucked
    # up character that chokes eveapi
    try:
        corpapi = api.corp.CorporationSheet(corporationID=corpID)
    except:
        raise AttributeError("Invalid Corp ID or Corp has malformed data.")

    if corpapi.allianceID:
        try:
            alliance = Alliance.objects.get(id=corpapi.allianceID)
        except:
            # If the alliance doesn't exist, we start a task to add it
            # and terminate this task since the alliance task will call
            # it after creating the alliance object
            update_alliance.delay(corpapi.allianceID)
            return
    else:
        alliance = None

    if Corporation.objects.filter(id=corpID).count():
        # Corp exists, update it
        corp = Corporation.objects.get(id=corpID)
        corp.member_count = corpapi.memberCount
        corp.ticker = corpapi.ticker
        corp.name = corpapi.corporationName
        corp.alliance = alliance
        corp.save()
    else:
        # Corp doesn't exist, create it
        corp = Corporation(id=corpID, member_count=corpapi.memberCount,
                name=corpapi.corporationName, alliance=alliance)
        corp.save()
    return corp

@task()
def update_all_alliances():
    """
    Updates all corps in all alliances. This task will take a long time
    to run.
    """
    api = eveapi.EVEAPIConnection(cacheHandler=handler)
    alliancelist = api.eve.AllianceList()
    for alliance in alliancelist.alliances:
        update_alliance(alliance.allianceID)


@task()
def cache_eve_reddit():
    """
    Attempts to cache the top submissions to r/Eve.
    """
    current = cache.get('reddit')
    if not current:
        # No reddit data is cached, grab it.
        data = json.loads(urllib.urlopen('http://www.reddit.com/r/Eve/top.json').read())
        cache.set('reddit', data, 120)
    else:
        # There is cached data, let's try to update it
        data = json.loads(urllib.urlopen('http://www.reddit.com/r/Eve/top.json').read())
        if 'data' in data:
            # Got valid response, store it
            cache.set('reddit', data, 120)
        else:
            # Invalid response, refresh current data
            cache.set('reddit', current, 120)

@task
def update_feeds():
    """
    Caches and updates RSS feeds in NewsFeeds.
    """
    for feed in NewsFeed.objects.all():
        try:
            data = feedparser.parse(feed.url)
            cache.set('feed_%s' % feed.pk, data, 7200)
            feed.name = data['feed']['title']
            feed.description = data['feed']['subtitle']
            feed.save()
        except:
            # There shouldn't be any exceptions, but we want to continue
            # if there are.
            pass

	# Eve W-Space
	# Copyright (C) 2013 Andrew Austin and other contributors
	#
	# This program is free software: you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version. An additional term under section
	# 7 of the GPL is included in the LICENSE file.
	#
	# 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 General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	from celery import task
	from django.core.cache import cache
	import urllib
	import json
	from models import Alliance, Corporation, NewsFeed
	from API import utils as handler
	import eveapi
	import feedparser

	@task()
	def update_alliance(allianceID):
	"""
	Updates an alliance and it's corporations from the API.
	"""
	api = eveapi.EVEAPIConnection(cacheHandler=handler)
	allianceapi = api.eve.AllianceList().alliances.Get(allianceID)
	if Alliance.objects.filter(id=allianceID).count():
	# Alliance exists, update it
	for corp in allianceapi.memberCorporations:
	try:
	update_corporation(corp.corporationID)
	except AttributeError:
	# Pass on this exception because one Russian corp has an
	# unavoidable bad character in their description
	pass
	alliance = Alliance.objects.get(id=allianceID)
	alliance.name = allianceapi.name
	alliance.shortname = allianceapi.shortName
	# Check to see if we have a record for the executor
	if Corporation.objects.filter(id=allianceapi.executorCorpID).count():
	alliance.executor = Corporation.objects.get(id=allianceapi.executorCorpID)
	else:
	# Alliance doesn't exists, add it without executor, update corps
	# and then update the executor
	alliance = Alliance(id=allianceapi.allianceID, name=allianceapi.name,
	shortname=allianceapi.shortName, executor=None)
	alliance.save()
	for corp in allianceapi.memberCorporations:
	try:
	update_corporation(corp.corporationID)
	except AttributeError:
	# Fuck you, xCAPITALSx
	pass
	try:
	# If an alliance's executor can't be processed for some reason,
	# set it to None
	alliance.executor = Corporation.objects.get(id=allianceapi.executorCorpID)
	except:
	alliance.executor = None
	alliance.save()

	@task()
	def update_corporation(corpID):
	"""
	Updates a corporation from the API. If it's alliance doesn't exist,
	update that as well.
	"""
	api = eveapi.EVEAPIConnection(cacheHandler=handler)
	# Encapsulate this in a try block because one corp has a fucked
	# up character that chokes eveapi
	try:
	corpapi = api.corp.CorporationSheet(corporationID=corpID)
	except:
	raise AttributeError("Invalid Corp ID or Corp has malformed data.")

	if corpapi.allianceID:
	try:
	alliance = Alliance.objects.get(id=corpapi.allianceID)
	except:
	# If the alliance doesn't exist, we start a task to add it
	# and terminate this task since the alliance task will call
	# it after creating the alliance object
	update_alliance.delay(corpapi.allianceID)
	return
	else:
	alliance = None

	if Corporation.objects.filter(id=corpID).count():
	# Corp exists, update it
	corp = Corporation.objects.get(id=corpID)
	corp.member_count = corpapi.memberCount
	corp.ticker = corpapi.ticker
	corp.name = corpapi.corporationName
	corp.alliance = alliance
	corp.save()
	else:
	# Corp doesn't exist, create it
	corp = Corporation(id=corpID, member_count=corpapi.memberCount,
	name=corpapi.corporationName, alliance=alliance)
	corp.save()
	return corp

	@task()
	def update_all_alliances():
	"""
	Updates all corps in all alliances. This task will take a long time
	to run.
	"""
	api = eveapi.EVEAPIConnection(cacheHandler=handler)
	alliancelist = api.eve.AllianceList()
	for alliance in alliancelist.alliances:
	update_alliance(alliance.allianceID)


	@task()
	def cache_eve_reddit():
	"""
	Attempts to cache the top submissions to r/Eve.
	"""
	current = cache.get('reddit')
	if not current:
	# No reddit data is cached, grab it.
	data = json.loads(urllib.urlopen('http://www.reddit.com/r/Eve/top.json').read())
	cache.set('reddit', data, 120)
	else:
	# There is cached data, let's try to update it
	data = json.loads(urllib.urlopen('http://www.reddit.com/r/Eve/top.json').read())
	if 'data' in data:
	# Got valid response, store it
	cache.set('reddit', data, 120)
	else:
	# Invalid response, refresh current data
	cache.set('reddit', current, 120)

	@task
	def update_feeds():
	"""
	Caches and updates RSS feeds in NewsFeeds.
	"""
	for feed in NewsFeed.objects.all():
	try:
	data = feedparser.parse(feed.url)
	cache.set('feed_%s' % feed.pk, data, 7200)
	feed.name = data['feed']['title']
	feed.description = data['feed']['subtitle']
	feed.save()
	except:
	# There shouldn't be any exceptions, but we want to continue
	# if there are.
	pass