Minor tweak to see what is going on with delete()
Minor tweak to see what is going on with delete()

import re import re
import uuid import uuid
   
from sqlalchemy import Table, Column, MetaData, ForeignKey from sqlalchemy import Table, Column, MetaData, ForeignKey
from sqlalchemy import types from sqlalchemy import types
from sqlalchemy.sql import select from sqlalchemy.sql import select
from sqlalchemy.orm import mapper, relation from sqlalchemy.orm import mapper, relation
from sqlalchemy import func from sqlalchemy import func
   
import ckan.model as model import ckan.model as model
from ckan.lib.base import * from ckan.lib.base import *
   
log = __import__('logging').getLogger(__name__) log = __import__('logging').getLogger(__name__)
   
def make_uuid(): def make_uuid():
return unicode(uuid.uuid4()) return unicode(uuid.uuid4())
   
metadata = MetaData() metadata = MetaData()
   
class GA_Url(object): class GA_Url(object):
   
def __init__(self, **kwargs): def __init__(self, **kwargs):
for k,v in kwargs.items(): for k,v in kwargs.items():
setattr(self, k, v) setattr(self, k, v)
   
url_table = Table('ga_url', metadata, url_table = Table('ga_url', metadata,
Column('id', types.UnicodeText, primary_key=True, Column('id', types.UnicodeText, primary_key=True,
default=make_uuid), default=make_uuid),
Column('period_name', types.UnicodeText), Column('period_name', types.UnicodeText),
Column('period_complete_day', types.Integer), Column('period_complete_day', types.Integer),
Column('pageviews', types.UnicodeText), Column('pageviews', types.UnicodeText),
Column('visits', types.UnicodeText), Column('visits', types.UnicodeText),
Column('url', types.UnicodeText), Column('url', types.UnicodeText),
Column('department_id', types.UnicodeText), Column('department_id', types.UnicodeText),
Column('package_id', types.UnicodeText), Column('package_id', types.UnicodeText),
) )
mapper(GA_Url, url_table) mapper(GA_Url, url_table)
   
   
class GA_Stat(object): class GA_Stat(object):
   
def __init__(self, **kwargs): def __init__(self, **kwargs):
for k,v in kwargs.items(): for k,v in kwargs.items():
setattr(self, k, v) setattr(self, k, v)
   
stat_table = Table('ga_stat', metadata, stat_table = Table('ga_stat', metadata,
Column('id', types.UnicodeText, primary_key=True, Column('id', types.UnicodeText, primary_key=True,
default=make_uuid), default=make_uuid),
Column('period_name', types.UnicodeText), Column('period_name', types.UnicodeText),
Column('period_complete_day', types.UnicodeText), Column('period_complete_day', types.UnicodeText),
Column('stat_name', types.UnicodeText), Column('stat_name', types.UnicodeText),
Column('key', types.UnicodeText), Column('key', types.UnicodeText),
Column('value', types.UnicodeText), ) Column('value', types.UnicodeText), )
mapper(GA_Stat, stat_table) mapper(GA_Stat, stat_table)
   
   
class GA_Publisher(object): class GA_Publisher(object):
   
def __init__(self, **kwargs): def __init__(self, **kwargs):
for k,v in kwargs.items(): for k,v in kwargs.items():
setattr(self, k, v) setattr(self, k, v)
   
pub_table = Table('ga_publisher', metadata, pub_table = Table('ga_publisher', metadata,
Column('id', types.UnicodeText, primary_key=True, Column('id', types.UnicodeText, primary_key=True,
default=make_uuid), default=make_uuid),
Column('period_name', types.UnicodeText), Column('period_name', types.UnicodeText),
Column('publisher_name', types.UnicodeText), Column('publisher_name', types.UnicodeText),
Column('views', types.UnicodeText), Column('views', types.UnicodeText),
Column('visits', types.UnicodeText), Column('visits', types.UnicodeText),
Column('toplevel', types.Boolean, default=False), Column('toplevel', types.Boolean, default=False),
Column('subpublishercount', types.Integer, default=0), Column('subpublishercount', types.Integer, default=0),
Column('parent', types.UnicodeText), Column('parent', types.UnicodeText),
) )
mapper(GA_Publisher, pub_table) mapper(GA_Publisher, pub_table)
   
   
class GA_ReferralStat(object): class GA_ReferralStat(object):
   
def __init__(self, **kwargs): def __init__(self, **kwargs):
for k,v in kwargs.items(): for k,v in kwargs.items():
setattr(self, k, v) setattr(self, k, v)
   
referrer_table = Table('ga_referrer', metadata, referrer_table = Table('ga_referrer', metadata,
Column('id', types.UnicodeText, primary_key=True, Column('id', types.UnicodeText, primary_key=True,
default=make_uuid), default=make_uuid),
Column('period_name', types.UnicodeText), Column('period_name', types.UnicodeText),
Column('source', types.UnicodeText), Column('source', types.UnicodeText),
Column('url', types.UnicodeText), Column('url', types.UnicodeText),
Column('count', types.Integer), Column('count', types.Integer),
) )
mapper(GA_ReferralStat, referrer_table) mapper(GA_ReferralStat, referrer_table)
   
   
   
def init_tables(): def init_tables():
metadata.create_all(model.meta.engine) metadata.create_all(model.meta.engine)
   
   
cached_tables = {} cached_tables = {}
   
   
def get_table(name): def get_table(name):
if name not in cached_tables: if name not in cached_tables:
meta = MetaData() meta = MetaData()
meta.reflect(bind=model.meta.engine) meta.reflect(bind=model.meta.engine)
table = meta.tables[name] table = meta.tables[name]
cached_tables[name] = table cached_tables[name] = table
return cached_tables[name] return cached_tables[name]
   
   
def _normalize_url(url): def _normalize_url(url):
'''Strip off the hostname etc. Do this before storing it. '''Strip off the hostname etc. Do this before storing it.
   
>>> normalize_url('http://data.gov.uk/dataset/weekly_fuel_prices') >>> normalize_url('http://data.gov.uk/dataset/weekly_fuel_prices')
'/dataset/weekly_fuel_prices' '/dataset/weekly_fuel_prices'
''' '''
return '/' + '/'.join(url.split('/')[3:]) return '/' + '/'.join(url.split('/')[3:])
   
   
def _get_package_and_publisher(url): def _get_package_and_publisher(url):
# e.g. /dataset/fuel_prices # e.g. /dataset/fuel_prices
# e.g. /dataset/fuel_prices/resource/e63380d4 # e.g. /dataset/fuel_prices/resource/e63380d4
dataset_match = re.match('/dataset/([^/]+)(/.*)?', url) dataset_match = re.match('/dataset/([^/]+)(/.*)?', url)
if dataset_match: if dataset_match:
dataset_ref = dataset_match.groups()[0] dataset_ref = dataset_match.groups()[0]
dataset = model.Package.get(dataset_ref) dataset = model.Package.get(dataset_ref)
if dataset: if dataset:
publisher_groups = dataset.get_groups('publisher') publisher_groups = dataset.get_groups('publisher')
if publisher_groups: if publisher_groups:
return dataset_ref,publisher_groups[0].name return dataset_ref,publisher_groups[0].name
return dataset_ref, None return dataset_ref, None
else: else:
publisher_match = re.match('/publisher/([^/]+)(/.*)?', url) publisher_match = re.match('/publisher/([^/]+)(/.*)?', url)
if publisher_match: if publisher_match:
return None, publisher_match.groups()[0] return None, publisher_match.groups()[0]
return None, None return None, None
   
def update_sitewide_stats(period_name, stat_name, data, period_complete_day): def update_sitewide_stats(period_name, stat_name, data, period_complete_day):
for k,v in data.iteritems(): for k,v in data.iteritems():
item = model.Session.query(GA_Stat).\ item = model.Session.query(GA_Stat).\
filter(GA_Stat.period_name==period_name).\ filter(GA_Stat.period_name==period_name).\
filter(GA_Stat.key==k).\ filter(GA_Stat.key==k).\
filter(GA_Stat.stat_name==stat_name).first() filter(GA_Stat.stat_name==stat_name).first()
if item: if item:
item.period_name = period_name item.period_name = period_name
item.key = k item.key = k
item.value = v item.value = v
item.period_complete_day = period_complete_day item.period_complete_day = period_complete_day
model.Session.add(item) model.Session.add(item)
else: else:
# create the row # create the row
values = {'id': make_uuid(), values = {'id': make_uuid(),
'period_name': period_name, 'period_name': period_name,
'period_complete_day': period_complete_day, 'period_complete_day': period_complete_day,
'key': k, 'key': k,
'value': v, 'value': v,
'stat_name': stat_name 'stat_name': stat_name
} }
model.Session.add(GA_Stat(**values)) model.Session.add(GA_Stat(**values))
model.Session.commit() model.Session.commit()
   
   
def pre_update_url_stats(period_name): def pre_update_url_stats(period_name):
  log.debug("Deleting '%s' records" % period_name)
model.Session.query(GA_Url).\ model.Session.query(GA_Url).\
filter(GA_Url.period_name==period_name).delete() filter(GA_Url.period_name==period_name).delete()
   
  count = model.Session.query(GA_Url).\
  filter(GA_Url.period_name == 'All').count()
  log.debug("Deleting %d 'All' records" % count)
model.Session.query(GA_Url).\ model.Session.query(GA_Url).\
filter(GA_Url.period_name=='All').delete() filter(GA_Url.period_name == 'All').delete()
  log.debug("Query: %s" % model.Session.query(GA_Url).
  filter(GA_Url.period_name == 'All'))
   
  model.Session.clufhs()
  model.Session.commit()
  model.repo.commit_and_remove()
   
   
def update_url_stats(period_name, period_complete_day, url_data): def update_url_stats(period_name, period_complete_day, url_data):
''' '''
Given a list of urls and number of hits for each during a given period, Given a list of urls and number of hits for each during a given period,
stores them in GA_Url under the period and recalculates the totals for stores them in GA_Url under the period and recalculates the totals for
the 'All' period. the 'All' period.
''' '''
for url, views, visits in url_data: for url, views, visits in url_data:
package, publisher = _get_package_and_publisher(url) package, publisher = _get_package_and_publisher(url)
   
   
item = model.Session.query(GA_Url).\ item = model.Session.query(GA_Url).\
filter(GA_Url.period_name==period_name).\ filter(GA_Url.period_name==period_name).\
filter(GA_Url.url==url).first() filter(GA_Url.url==url).first()
if item: if item:
item.pageviews = item.pageviews + views item.pageviews = item.pageviews + views
item.visits = item.visits + visits item.visits = item.visits + visits
if not item.package_id: if not item.package_id:
item.package_id = package item.package_id = package
if not item.department_id: if not item.department_id:
item.department_id = publisher item.department_id = publisher
model.Session.add(item) model.Session.add(item)
else: else:
values = {'id': make_uuid(), values = {'id': make_uuid(),
'period_name': period_name, 'period_name': period_name,
'period_complete_day': period_complete_day, 'period_complete_day': period_complete_day,
'url': url, 'url': url,
'pageviews': views, 'pageviews': views,
'visits': visits, 'visits': visits,
'department_id': publisher, 'department_id': publisher,
'package_id': package 'package_id': package
} }
model.Session.add(GA_Url(**values)) model.Session.add(GA_Url(**values))
model.Session.commit() model.Session.commit()
   
if package: if package:
old_pageviews, old_visits = 0, 0 old_pageviews, old_visits = 0, 0
old = model.Session.query(GA_Url).\ old = model.Session.query(GA_Url).\
filter(GA_Url.period_name=='All').\ filter(GA_Url.period_name=='All').\
filter(GA_Url.url==url).all() filter(GA_Url.url==url).all()
old_pageviews = sum([int(o.pageviews) for o in old]) old_pageviews = sum([int(o.pageviews) for o in old])
old_visits = sum([int(o.visits) for o in old]) old_visits = sum([int(o.visits) for o in old])
   
entries = model.Session.query(GA_Url).\ entries = model.Session.query(GA_Url).\
filter(GA_Url.period_name!='All').\ filter(GA_Url.period_name!='All').\
filter(GA_Url.url==url).all() filter(GA_Url.url==url).all()
values = {'id': make_uuid(), values = {'id': make_uuid(),
'period_name': 'All', 'period_name': 'All',
'period_complete_day': 0, 'period_complete_day': 0,
'url': url, 'url': url,
'pageviews': sum([int(e.pageviews) for e in entries]) + old_pageviews, 'pageviews': sum([int(e.pageviews) for e in entries]) + int(old_pageviews),
'visits': sum([int(e.visits or 0) for e in entries]) + old_visits, 'visits': sum([int(e.visits or 0) for e in entries]) + int(old_visits),
'department_id': publisher, 'department_id': publisher,
'package_id': package 'package_id': package
} }
   
model.Session.add(GA_Url(**values)) model.Session.add(GA_Url(**values))
model.Session.commit() model.Session.commit()
   
   
   
   
def update_social(period_name, data): def update_social(period_name, data):
# Clean up first. # Clean up first.
model.Session.query(GA_ReferralStat).\ model.Session.query(GA_ReferralStat).\
filter(GA_ReferralStat.period_name==period_name).delete() filter(GA_ReferralStat.period_name==period_name).delete()
   
for url,data in data.iteritems(): for url,data in data.iteritems():
for entry in data: for entry in data:
source = entry[0] source = entry[0]
count = entry[1] count = entry[1]
   
item = model.Session.query(GA_ReferralStat).\ item = model.Session.query(GA_ReferralStat).\
filter(GA_ReferralStat.period_name==period_name).\ filter(GA_ReferralStat.period_name==period_name).\
filter(GA_ReferralStat.source==source).\ filter(GA_ReferralStat.source==source).\
filter(GA_ReferralStat.url==url).first() filter(GA_ReferralStat.url==url).first()
if item: if item:
item.count = item.count + count item.count = item.count + count
model.Session.add(item) model.Session.add(item)
else: else:
# create the row # create the row
values = {'id': make_uuid(), values = {'id': make_uuid(),
'period_name': period_name, 'period_name': period_name,
'source': source, 'source': source,
'url': url, 'url': url,
'count': count, 'count': count,
} }
model.Session.add(GA_ReferralStat(**values)) model.Session.add(GA_ReferralStat(**values))
model.Session.commit() model.Session.commit()
   
def update_publisher_stats(period_name): def update_publisher_stats(period_name):
""" """
Updates the publisher stats from the data retrieved for /dataset/* Updates the publisher stats from the data retrieved for /dataset/*
and /publisher/*. Will run against each dataset and generates the and /publisher/*. Will run against each dataset and generates the
totals for the entire tree beneath each publisher. totals for the entire tree beneath each publisher.
""" """
toplevel = get_top_level() toplevel = get_top_level()
publishers = model.Session.query(model.Group).\ publishers = model.Session.query(model.Group).\
filter(model.Group.type=='publisher').\ filter(model.Group.type=='publisher').\
filter(model.Group.state=='active').all() filter(model.Group.state=='active').all()
for publisher in publishers: for publisher in publishers:
views, visits, subpub = update_publisher(period_name, publisher, publisher.name) views, visits, subpub = update_publisher(period_name, publisher, publisher.name)
parent, parents = '', publisher.get_groups('publisher') parent, parents = '', publisher.get_groups('publisher')
if parents: if parents:
parent = parents[0].name parent = parents[0].name
item = model.Session.query(GA_Publisher).\ item = model.Session.query(GA_Publisher).\
filter(GA_Publisher.period_name==period_name).\ filter(GA_Publisher.period_name==period_name).\
filter(GA_Publisher.publisher_name==publisher.name).first() filter(GA_Publisher.publisher_name==publisher.name).first()
if item: if item:
item.views = views item.views = views
item.visits = visits item.visits = visits
item.publisher_name = publisher.name item.publisher_name = publisher.name
item.toplevel = publisher in toplevel item.toplevel = publisher in toplevel
item.subpublishercount = subpub item.subpublishercount = subpub
item.parent = parent item.parent = parent
model.Session.add(item) model.Session.add(item)
else: else:
# create the row # create the row
values = {'id': make_uuid(), values = {'id': make_uuid(),
'period_name': period_name, 'period_name': period_name,
'publisher_name': publisher.name, 'publisher_name': publisher.name,
'views': views, 'views': views,
'visits': visits, 'visits': visits,
'toplevel': publisher in toplevel, 'toplevel': publisher in toplevel,
'subpublishercount': subpub, 'subpublishercount': subpub,
'parent': parent 'parent': parent
} }
model.Session.add(GA_Publisher(**values)) model.Session.add(GA_Publisher(**values))
model.Session.commit() model.Session.commit()
   
   
def update_publisher(period_name, pub, part=''): def update_publisher(period_name, pub, part=''):
views,visits,subpub = 0, 0, 0 views,visits,subpub = 0, 0, 0
for publisher in go_down_tree(pub): for publisher in go_down_tree(pub):
subpub = subpub + 1 subpub = subpub + 1
items = model.Session.query(GA_Url).\ items = model.Session.query(GA_Url).\
filter(GA_Url.period_name==period_name).\ filter(GA_Url.period_name==period_name).\
filter(GA_Url.department_id==publisher.name).all() filter(GA_Url.department_id==publisher.name).all()
for item in items: for item in items:
views = views + int(item.pageviews) views = views + int(item.pageviews)
visits = visits + int(item.visits) visits = visits + int(item.visits)
   
return views, visits, (subpub-1) return views, visits, (subpub-1)
   
   
def get_top_level(): def get_top_level():
'''Returns the top level publishers.''' '''Returns the top level publishers.'''
return model.Session.query(model.Group).\ return model.Session.query(model.Group).\
outerjoin(model.Member, model.Member.table_id == model.Group.id and \ outerjoin(model.Member, model.Member.table_id == model.Group.id and \
model.Member.table_name == 'group' and \ model.Member.table_name == 'group' and \
model.Member.state == 'active').\ model.Member.state == 'active').\
filter(model.Member.id==None).\ filter(model.Member.id==None).\
filter(model.Group.type=='publisher').\ filter(model.Group.type=='publisher').\
order_by(model.Group.name).all() order_by(model.Group.name).all()
   
def get_children(publisher): def get_children(publisher):
'''Finds child publishers for the given publisher (object). (Not recursive)''' '''Finds child publishers for the given publisher (object). (Not recursive)'''
from ckan.model.group import HIERARCHY_CTE from ckan.model.group import HIERARCHY_CTE
return model.Session.query(model.Group).\ return model.Session.query(model.Group).\
from_statement(HIERARCHY_CTE).params(id=publisher.id, type='publisher').\ from_statement(HIERARCHY_CTE).params(id=publisher.id, type='publisher').\
all() all()
   
def go_down_tree(publisher): def go_down_tree(publisher):
'''Provided with a publisher object, it walks down t