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-# -*- coding: utf-8 -*-
-
-"""Python wrapper for geoname web APIs
-
-created 20/03/2006 By Nicolas Laurance
-
-This module allows you to access geoname's web APIs,
-and get the results programmatically.
-Described here:
- http://www.geonames.org/export/
-
-def postalCodeSearch(postalcode, placename='', country=COUNTRY, maxRows='10', http_proxy=None):
-def postalCodeLookupJSON(postalcode, placename='', country=COUNTRY, maxRows='10',gcallback='', http_proxy=None):
-def findNearbyPostalCodes(postalcode, placename='', country=COUNTRY, radius='5', maxRows='10',lat=None,lng=None, http_proxy=None):
-def postalCodeCountryInfo(http_proxy=None):
-def search(placename='', country=COUNTRY, maxRows='10', style='SHORT',lang=LANG, fclass=None, http_proxy=None):
-def findNearbyPlaceName(lat,lng, http_proxy=None):
-
-Sample usage:
->>> import geoname
->>> result=geoname.postalCodeSearch('35580','guichen','fr','10')
->>> result.totalResultsCount.PCDATA
-u'1'
->>> result.code[0].lat.PCDATA
-u'47.9666667'
->>> result.code[0].lng.PCDATA
-u'-1.8'
-
-
-
-"""
-
-__author__ = "Nicolas Laurance (nlaurance@zindep.com)"
-__version__ = "2.0"
-__cvsversion__ = "$Revision: 2.0 $"[11:-2]
-__date__ = "$Date: 2003/06/20 22:40:53 $"[7:-2]
-__copyright__ = "Copyright (c) 2006 Nicolas Laurance"
-__license__ = "Python"
-
-import gnosis.xml.objectify as objectify
-
-import os, sys, urllib, re
-try:
- import timeoutsocket # http://www.timo-tasi.org/python/timeoutsocket.py
- timeoutsocket.setDefaultSocketTimeout(120)
-except ImportError:
- pass
-
-HTTP_PROXY = None
-DEBUG = 0
-COUNTRY = 'FR'
-LANG ='fr'
-
-
-# don't touch the rest of these constants
-class GeonameError(Exception): pass
-
-## administrative functions
-def version():
- print """PyGeoname %(__version__)s
-%(__copyright__)s
-released %(__date__)s
-""" % globals()
-
-def setProxy(http_proxy):
- """set HTTP proxy"""
- global HTTP_PROXY
- HTTP_PROXY = http_proxy
-
-def getProxy(http_proxy = None):
- """get HTTP proxy"""
- return http_proxy or HTTP_PROXY
-
-def getProxies(http_proxy = None):
- http_proxy = getProxy(http_proxy)
- if http_proxy:
- proxies = {"http": http_proxy}
- else:
- proxies = None
- return proxies
-
-def _contentsOf(dirname, filename):
- filename = os.path.join(dirname, filename)
- if not os.path.exists(filename): return None
- fsock = open(filename)
- contents = fsock.read()
- fsock.close()
- return contents
-
-def _getScriptDir():
- if __name__ == '__main__':
- return os.path.abspath(os.path.dirname(sys.argv[0]))
- else:
- return os.path.abspath(os.path.dirname(sys.modules[__name__].__file__))
-
-class Bag: pass
-
-_intFields = ('totalResultsCount')
-_dateFields = ()
-_listFields = ('code','geoname','country',)
-_floatFields = ('lat','lng','distance')
-
-def unmarshal(element):
- #import pdb;pdb.set_trace()
- xml_obj = objectify.XML_Objectify(element)
- rc = xml_obj.make_instance()
- return rc
-
-def _do(url, http_proxy):
- proxies = getProxies(http_proxy)
- u = urllib.FancyURLopener(proxies)
- usock = u.open(url)
- rawdata = usock.read()
- if DEBUG: print rawdata
- usock.close()
- data = unmarshal(rawdata)
- return data
-
-## main functions
-
-def _buildfindNearbyPostalCodes(postalcode, placename, country, radius, maxRows ):
- placename=urllib.quote(placename)
- searchUrl = "http://ws.geonames.org/findNearbyPostalCodes?postalcode=%(postalcode)s&placename=%(placename)s&country=%(country)s&radius=%(radius)s&maxRows=%(maxRows)s" % vars()
- return searchUrl
-
-
-def _buildpostalCodeLookupJSON(postalcode,placename,country,maxRows,gcallback):
- placename=urllib.quote(placename)
- searchUrl = "http://ws.geonames.org/postalCodeLookupJSON?postalcode=%(postalcode)s&placename=%(placename)s&country=%(country)s&maxRows=%(maxRows)s&callback=%(gcallback)s" % vars()
- return searchUrl
-
-def _buildfindNearbyPostalCodesLL(lat,lng,radius,maxRows):
- searchUrl = "http://ws.geonames.org/findNearbyPostalCodes?lat=%(lat)s&lng=%(lng)s&radius=%(radius)s&maxRows=%(maxRows)s" % vars()
- return searchUrl
-
-def _buildfindCountrySubdivision(lat,lng):
- searchUrl = "http://ws.geonames.org/countrySubdivision?lat=%(lat)s&lng=%(lng)s" % vars()
- return searchUrl
-
-def _buildfindNearbyPlaceName(lat,lng):
- searchUrl = "http://ws.geonames.org/findNearbyPlaceName?lat=%(lat)s&lng=%(lng)s" % vars()
- return searchUrl
-
-def _buildpostalCodeSearch(postalcode, placename, country, maxRows ):
- placename=urllib.quote(placename)
- searchUrl = "http://ws.geonames.org/postalCodeSearch?postalcode=%(postalcode)s&placename=%(placename)s&country=%(country)s&maxRows=%(maxRows)s" % vars()
- return searchUrl
-
-def _buildsearch(placename, country, maxRows,style,lang, fclass):
- placename=urllib.quote(placename)
- if fclass:
- urlfclass=''
- for fc in fclass:
- urlfclass+=urllib.quote("&fclass=%s" % fc)
- searchUrl = "http://ws.geonames.org/search?q=%(placename)s&country=%(country)s&maxRows=%(maxRows)s&lang=%(lang)s&style=%(style)s&fclass=%(fclass)s" % vars()
- return searchUrl
-
-def postalCodeSearch(postalcode, placename='', country=COUNTRY, maxRows='10', http_proxy=None):
- """
- http://ws.geonames.org/postalCodeSearch?postalcode=35580&maxRows=10&country=fr
- Url : ws.geonames.org/postalCodeSearch?
- Parameters : postalcode ,placename,maxRows,country
- <geonames>
- <totalResultsCount>7</totalResultsCount>
- -
- <code>
- <postalcode>35580</postalcode>
- <name>St Senoux</name>
- <countryCode>FR</countryCode>
- <lat>47.9</lat>
- <lng>-1.7833333</lng>
- </code>
- """
- url = _buildpostalCodeSearch(postalcode,placename,country,maxRows)
- if DEBUG: print url
- return _do(url,http_proxy)
-
-def postalCodeLookupJSON(postalcode, placename='', country=COUNTRY, maxRows='10',gcallback='', http_proxy=None):
- """
- Webservice Type : REST /JSON
- Url : ws.geonames.org/postalCodeLookupJSON?
- Parameters : postalcode,country ,maxRows (default = 20),callback
- Result : returns a list of places for the given postalcode in JSON format
- """
- url = _buildpostalCodeLookupJSON(postalcode,placename,country,maxRows,gcallback)
-# print url
- proxies = getProxies(http_proxy)
- u = urllib.FancyURLopener(proxies)
- usock = u.open(url)
- rawdata = usock.read()
- if DEBUG: print rawdata
- usock.close()
- return eval(rawdata[:-3])
-
-def findNearbyPostalCodes(postalcode, placename='', country=COUNTRY, radius='5', maxRows='10',lat=None,lng=None, http_proxy=None):
- """
- Find nearby postal codes / reverse geocoding
- This service comes in two flavors. You can either pass the lat/long or a postalcode/placename.
-
- Webservice Type : REST
- Url : ws.geonames.org/findNearbyPostalCodes?
- Parameters :
- lat,lng, radius (in km), maxRows (default = 5),country (default = all countries)
- or
- postalcode,country, radius (in Km), maxRows (default = 5)
- Result : returns a list of postalcodes and places for the lat/lng query as xml document
- Example:
- http://ws.geonames.org/findNearbyPostalCodes?postalcode=35580&placename=guichen&country=FR&radius=5
- <geonames>
- -
- <code>
- <postalcode>35580</postalcode>
- <name>Guichen</name>
- <countryCode>FR</countryCode>
- <lat>47.9666667</lat>
- <lng>-1.8</lng>
- <distance>0.0</distance>
- </code>
- """
- if lat and lng :
- url = _buildfindNearbyPostalCodesLL(lat,lng,radius,maxRows)
- else:
- url = _buildfindNearbyPostalCodes(postalcode,placename,country,radius,maxRows)
- if DEBUG: print url
-# import pdb;pdb.set_trace()
- return _do(url,http_proxy).code
-
-
-def postalCodeCountryInfo(http_proxy=None):
- """
- http://ws.geonames.org/postalCodeCountryInfo?
- <country>
- <countryCode>FR</countryCode>
- <countryName>France</countryName>
- <numPostalCodes>39163</numPostalCodes>
- <minPostalCode>01000</minPostalCode>
- <maxPostalCode>98000</maxPostalCode>
- </country>
-
- """
- return _do("http://ws.geonames.org/postalCodeCountryInfo?",http_proxy).country
-
-def search(placename='', country=COUNTRY, maxRows='10', style='SHORT',lang=LANG, fclass=None, http_proxy=None):
- """
- Url : ws.geonames.org/search?
- Parameters : q : place name (urlencoded utf8)
- maxRows : maximal number of rows returned (default = 100)
- country : iso country code, two characters (default = all countries)
- fclass : featureclass(es) (default= all feature classes); this parameter may occur more then once, example: fclass=P&fclass=A
- style : SHORT,MEDIUM,LONG (default = MEDIUM), verbosity of returned xml document
- lang : ISO 2-letter language code. (default = en), countryName will be returned in the specified language.
-
- http://ws.geonames.org/search?q=guichen&maxRows=10&style=SHORT&lang=fr&country=fr
- <geonames>
- <totalResultsCount>3</totalResultsCount>
- -
- <geoname>
- <name>Laill�</name>
- <lat>47.9833333</lat>
- <lng>-1.7166667</lng>
- </geoname>
- """
- url = _buildsearch(placename, country, maxRows,style,lang, fclass)
- if DEBUG: print url
- return _do(url,http_proxy)
-
-def findNearbyPlaceName(lat,lng, http_proxy=None):
- """
- Webservice Type : REST
- Url : ws.geonames.org/findNearbyPlaceName?
- Parameters : lat,lng
- Result : returns the closest populated place for the lat/lng query as xml document
- Example:
- http://ws.geonames.org/findNearbyPlaceName?lat=47.3&lng=9
- """
- url = _buildfindNearbyPlaceName(lat,lng)
- if DEBUG: print url
- return _do(url,http_proxy)
-
-def findCountrySubdivision(lat,lng, http_proxy=None):
- """
- Webservice Type : REST
- Url : ws.geonames.org/findNearbyPlaceName?
- Parameters : lat,lng
- Result : returns the closest populated place for the lat/lng query as xml document
- Example:
- http://ws.geonames.org/findNearbyPlaceName?lat=47.3&lng=9
- """
- url = _buildfindCountrySubdivision(lat,lng)
- if DEBUG: print url
- return _do(url,http_proxy)
-
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