-#!/usr/bin/python2.6
+#!/usr/bin/python3.4
# -*- coding: iso-8859-15 -*-
# $Id$
# $HeadURL$
"""Contains functions that maintain/update the cache tables."""
from sqlalchemy import schema
from sqlalchemy.sql import select
+from sqlalchemy.sql.expression import func as sqlfunc
+from osgeo import ogr
import formencode
-from wrpylib import mwdb, wrmwdb, wrmwmarkup
+from wrpylib import mwdb, wrmwdb, mwmarkup, wrmwmarkup, wrvalidators
class UpdateCacheError(RuntimeError):
is raised. No other exception type should be raised under normal circumstances.
>>> from sqlalchemy.engine import create_engine
- >>> engine = create_engine('mysql://philipp@localhost:3306/winterrodeln_wiki?charset=utf8&use_unicode=0')
+ >>> engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1')
>>> update_wrsledruncache(engine.connect())
"""
metadata = schema.MetaData()
transaction = connection.begin()
# Query all sled runs
- q = select([page, categorylinks, revision, text], (page.c.page_latest==revision.c.rev_id) & (text.c.old_id==revision.c.rev_text_id) & (categorylinks.c.cl_from==page.c.page_id) & (categorylinks.c.cl_to==u'Rodelbahn'))
+ q = select([page, categorylinks, revision, text], (page.c.page_latest==revision.c.rev_id) & (text.c.old_id==revision.c.rev_text_id) & (categorylinks.c.cl_from==page.c.page_id) & (categorylinks.c.cl_to=='Rodelbahn'))
sledrun_pages = connection.execute(q)
# Original SQL:
# sql = u"select page_id, rev_id, old_id, page_title, old_text, 'In_Arbeit' in (select cl_to from categorylinks where cl_from=page_id) as under_construction from page, revision, text, categorylinks where page_latest=rev_id and old_id=rev_text_id and cl_from=page_id and cl_to='Rodelbahn' order by page_title"
start, end, sledrun = wrmwmarkup.rodelbahnbox_to_sledrun(sledrun_page.old_text)
sledrun.page_id = sledrun_page.page_id
sledrun.page_title = sledrun_page.page_title
- sledrun.under_construction = connection.execute(select([categorylinks], (categorylinks.c.cl_from==sledrun_page.page_id) & (categorylinks.c.cl_to == u'In_Arbeit')).alias('x').count()).fetchone()[0] > 0 # It would be better to do this in the query above
+ sledrun.name_url = wrvalidators.sledrun_page_title_to_pretty_url(sledrun_page.page_title)
+ sledrun.under_construction = connection.execute(select([categorylinks], (categorylinks.c.cl_from==sledrun_page.page_id) & (categorylinks.c.cl_to == 'In_Arbeit')).alias('x').count()).fetchone()[0] > 0 # It would be better to do this in the query above
connection.execute(wrsledruncache.insert(sledrun.__dict__))
except (RuntimeError, formencode.Invalid) as e:
transaction.rollback()
- error_msg = u"Error at sled run '{0}': {1}".format(sledrun_page.page_title, unicode(e))
+ error_msg = "Error at sled run '{0}': {1}".format(sledrun_page.page_title, str(e))
raise UpdateCacheError(error_msg, sledrun_page.page_title, e)
transaction.commit()
is raised. No other exception type should be raised under normal circumstances.
>>> from sqlalchemy.engine import create_engine
- >>> engine = create_engine('mysql://philipp@localhost:3306/winterrodeln_wiki?charset=utf8&use_unicode=0')
+ >>> engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1')
>>> update_wrinncache(engine.connect())
"""
metadata = schema.MetaData()
transaction = connection.begin()
# Query all inns
- q = select([page, categorylinks, revision, text], (page.c.page_latest==revision.c.rev_id) & (text.c.old_id==revision.c.rev_text_id) & (categorylinks.c.cl_from==page.c.page_id) & (categorylinks.c.cl_to==u'Gasthaus'))
+ q = select([page, categorylinks, revision, text], (page.c.page_latest==revision.c.rev_id) & (text.c.old_id==revision.c.rev_text_id) & (categorylinks.c.cl_from==page.c.page_id) & (categorylinks.c.cl_to=='Gasthaus'))
inn_pages = connection.execute(q)
# Delete all existing entries in wrinncache
start, end, inn = wrmwmarkup.gasthausbox_to_inn(inn_page.old_text)
inn.page_id = inn_page.page_id
inn.page_title = inn_page.page_title
- inn.under_construction = connection.execute(select([categorylinks], (categorylinks.c.cl_from==inn_page.page_id) & (categorylinks.c.cl_to == u'In_Arbeit')).alias('x').count()).fetchone()[0] > 0 # It would be better to do this in the query above
+ inn.under_construction = connection.execute(select([categorylinks], (categorylinks.c.cl_from==inn_page.page_id) & (categorylinks.c.cl_to == 'In_Arbeit')).alias('x').count()).fetchone()[0] > 0 # It would be better to do this in the query above
connection.execute(wrinncache.insert(inn.__dict__))
except (RuntimeError, formencode.Invalid) as e:
transaction.rollback()
- error_msg = u"Error as inn '{0}': {1}".format(inn_page.page_title, unicode(e))
+ error_msg = "Error as inn '{0}': {1}".format(inn_page.page_title, str(e))
raise UpdateCacheError(error_msg, inn_page.page_title, e)
transaction.commit()
+
+def update_wrreportcache(connection, page_id=None):
+ """Updates the wrreportcache table.
+ :param connection: sqlalchemy connection
+ :param page_id: Updates only the reportcache table for the sledrun described on the Winterrodeln wiki page
+ with the specified page_id. Use None for this parameter to update the whole table.
+
+ >>> from sqlalchemy.engine import create_engine
+ >>> engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1')
+ >>> update_wrreportcache(engine.connect())
+ """
+ metadata = schema.MetaData()
+ wrreport = wrmwdb.wrreport_table(metadata)
+ wrreportcache = wrmwdb.wrreportcache_table(metadata)
+ transaction = connection.begin()
+
+ # Delete the datasets we are going to update
+ sql_del = wrreportcache.delete()
+ if not page_id is None: sql_del = sql_del.where(wrreportcache.c.page_id == page_id)
+ connection.execute(sql_del)
+
+ def insert_row(connection, rowlist):
+ if len(rowlist) == 0: return
+ # Insert the report
+ row = dict(rowlist[0])
+ connection.execute(wrreportcache.insert(values=row))
+
+ # Select the rows to update
+ sql = 'select page_id, page_title, wrreport.id as report_id, date_report, `condition`, description, author_name, if(author_userid is null, null, author_username) as author_username from wrreport where {0}`condition` is not null and date_invalid > now() and delete_date is null order by page_id, date_report desc, date_entry desc'.format('' if page_id is None else 'page_id={0} and '.format(page_id))
+ cursor = connection.execute(sql)
+ page_id = None
+ rowlist = []
+ for row in cursor:
+ if row.page_id != page_id:
+ insert_row(connection, rowlist)
+ page_id = row.page_id
+ rowlist = []
+ rowlist.append(row)
+ insert_row(connection, rowlist)
+ transaction.commit()
+
+
+def update_wrmapcache(connection):
+ """Updates the wrmappointcache and wrmappathcache tables from the wiki. If convert errors occur, an UpdateCacheError exception
+ is raised. No other exception type should be raised under normal circumstances.
+
+ >>> from sqlalchemy.engine import create_engine
+ >>> engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1')
+ >>> # or: engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1&passwd=XXXXX')
+ >>> update_wrmapcache(engine.connect())
+ """
+ metadata = schema.MetaData()
+ page = mwdb.page_table(metadata)
+ categorylinks = mwdb.categorylinks_table(metadata)
+ revision = mwdb.revision_table(metadata)
+ text = mwdb.text_table(metadata)
+
+ transaction = connection.begin()
+
+ # Query all sledruns
+ q = select([page, categorylinks, revision, text], (page.c.page_latest==revision.c.rev_id) & (text.c.old_id==revision.c.rev_text_id) & (categorylinks.c.cl_from==page.c.page_id) & (categorylinks.c.cl_to=='Rodelbahn'))
+ sledrun_pages = connection.execute(q)
+ # Original SQL:
+ # sql = u"select page_id, rev_id, old_id, page_title, old_text, 'In_Arbeit' in (select cl_to from categorylinks where cl_from=page_id) as under_construction from page, revision, text, categorylinks where page_latest=rev_id and old_id=rev_text_id and cl_from=page_id and cl_to='Rodelbahn' order by page_title"
+
+ # Delete all existing entries in wrmappointcache
+ # We rely on transactions MySQL InnoDB
+ connection.execute('delete from wrmappointcache')
+ connection.execute('delete from wrmappathcache')
+
+ # Refill wrmappointcache and wrmappathcache tables
+ for sledrun_page in sledrun_pages:
+ try:
+ start, content, endtag, end = mwmarkup.find_tag(sledrun_page.old_text, 'wrmap')
+ if content is None:
+ continue
+ geojson = wrmwmarkup.parse_wrmap(sledrun_page.old_text[start:end])
+
+ for feature in geojson['features']:
+ properties = feature['properties']
+ coordinates = feature['geometry']['coordinates']
+
+ # Points
+ if properties['type'] in wrmwmarkup.WRMAP_POINT_TYPES:
+ lon, lat = coordinates
+ label = properties.get('name')
+ point_types = {'gasthaus': 'hut', 'haltestelle': 'busstop', 'parkplatz': 'carpark', 'achtung': 'warning', 'foto': 'photo', 'verleih': 'rental', 'punkt': 'point'}
+ point_type = point_types[properties['type']]
+ sql = 'insert into wrmappointcache (page_id, type, point, label) values (%s, %s, POINT(%s, %s), %s)'
+ connection.execute(sql, (sledrun_page.page_id, point_type, lon, lat, label))
+
+ # Paths
+ elif properties['type'] in wrmwmarkup.WRMAP_LINE_TYPES:
+ path_types = {'rodelbahn': 'sledrun', 'gehweg': 'walkup', 'alternative': 'alternative', 'lift': 'lift', 'anfahrt': 'recommendedcarroute', 'linie': 'line'}
+ path_type = path_types[properties['type']]
+ path = ", ".join(["{0} {1}".format(lon, lat) for lon, lat in coordinates])
+ path = 'LineString({0})'.format(path)
+ if path_type == 'recommendedcarroute': continue
+ sql = 'insert into wrmappathcache (path, page_id, type) values (GeomFromText(%s), %s, %s)'
+ connection.execute(sql, (path, sledrun_page.page_id, path_type))
+
+ else:
+ raise RuntimeError('Unknown feature type {0}'.format(properties['type']))
+ except RuntimeError as e:
+ error_msg = "Error at sledrun '{0}': {1}".format(sledrun_page.page_title, str(e))
+ transaction.rollback()
+ raise UpdateCacheError(error_msg, sledrun_page.page_title, e)
+ transaction.commit()
+
+
+def update_wrregioncache(connection):
+ """Updates the wrregioncache table from the wiki.
+ It relays on the table wrsledruncache to be up-to-date.
+ No exceptions should be raised under normal circumstances.
+
+ >>> from sqlalchemy.engine import create_engine
+ >>> engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1')
+ >>> # or: engine = create_engine('mysql://philipp@localhost:3306/philipp_winterrodeln_wiki?charset=utf8&use_unicode=1&passwd=XXXXX')
+ >>> update_wrregioncache(engine.connect())
+ """
+ metadata = schema.MetaData()
+ wrregion = wrmwdb.wrregion_table(metadata)
+ wrsledruncache = wrmwdb.wrsledruncache_table(metadata)
+ wrregioncache = wrmwdb.wrregioncache_table(metadata)
+
+ transaction = connection.begin()
+
+ # Delete all existing entries in wrregioncache
+ # We rely on transactions MySQL InnoDB
+ connection.execute(wrregioncache.delete())
+
+ # Query all combinations of sledruns and regions
+ sel = select([wrregion.c.id.label('region_id'), sqlfunc.AsWKB(wrregion.c.border).label('border'), wrsledruncache.c.page_id, wrsledruncache.c.position_longitude, wrsledruncache.c.position_latitude], sqlfunc.contains(wrregion.c.border, sqlfunc.point(wrsledruncache.c.position_longitude, wrsledruncache.c.position_latitude)))
+ ins = wrregioncache.insert()
+
+ # Refill wrregioncache
+ point = ogr.Geometry(ogr.wkbPoint)
+ result = connection.execute(sel)
+ for row in result:
+ point.SetPoint(0, row.position_longitude, row.position_latitude)
+ if point.Within(ogr.CreateGeometryFromWkb(row.border)):
+ connection.execute(ins.values(region_id=row.region_id, page_id=row.page_id))
+
+ # commit
+ transaction.commit()
+