def index(self):
from pylons import config
import os,re
rg = re.compile('^(?P<id>[0-9]*) \t(?P<city_name>[^\t]*)\t(?P<mahoz>[^\t]*)\t(?P<population>[0-9,]*)')
rt=''
fname = os.path.join(config['pylons.paths']['root'],'towns.txt')
rt+='reading from %s\n'%fname
f = open(fname)
for line in f:
res = rg.search(line)
if not res:
rt+='cannot parse "%s"\n'%line
continue
ct = City()
ct.name=res.group('city_name').strip()
if meta.Session.query(City).filter_by(name=ct.name).all():
rt+='city %s ALREADY EXISTS! skipping\n'%ct.name
continue
ct.population = int(re.compile('([,]+)').sub('',res.group('population').strip()))
if request.params.get('getlonlat'):
lonlat = search_city(ct.name)
if lonlat['successful']:
ct.lon = lonlat['result']['center']['lon']
ct.lat = lonlat['result']['center']['lat']
meta.Session.add(ct)
rt+='inserted city %s'%ct.name
meta.Session.commit()
c.output=rt
return render('/parse_towns.html')
def lonlat(self,id=None):
cities = meta.Session.query(City)
if id:
cities=cities.filter_by(id=id)
else:
from sqlalchemy import or_
cities = cities.filter(or_(City.lon==None,City.lat==None,City.extent_top==None))
cities = cities.all()
rt=''
for ct in cities:
lonlat = search_city(ct.name.encode('utf8'))
if lonlat['successful'] and lonlat['result']:
ct.lon = lonlat['result']['center']['lon']
ct.lat = lonlat['result']['center']['lat']
ct.extent_top = lonlat['result']['extent']['top']
ct.extent_bottom = lonlat['result']['extent']['bottom']
ct.extent_left = lonlat['result']['extent']['left']
ct.extent_right = lonlat['result']['extent']['right']
meta.Session.commit()
else:
rt+="cannot get loc result for town '%s' - %s\n"%(ct.name,lonlat['reason'])
c.output=rt
return render('/parse_towns.html')
