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geolocation.py
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geolocation.py
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from __future__ import unicode_literals
from __future__ import print_function
import logging
import requests
import utilities
from bson.objectid import ObjectId
def query_cliff(sentence, host, port):
"""
Takes a sentence from a news article, passes it to the CLIFF geolocation
service, and extracts the relevant data that CLIFF returns.
Parameters
----------
sentence: String.
Text from which an event was coded.
Returns
-------
lat: String.
Latitude of a location.
lon: String.
Longitude of a location.
placeName: String.
The name of the most precise location extracted from the sentence.
stateName: String.
The name of the state/region/province extracted from the sentence.
countryCode: String.
The ISO 3 character country code of the country extracted from the sentence.
"""
logger = logging.getLogger('pipeline_log')
payload = {"q": sentence}
place_info = {'lat': '', 'lon': '', 'placeName': '', 'countryCode': '',
'stateName': '', 'restype' : ''}
cliff_address = "http://{}:{}/CLIFF-2.0.0/parse/text".format(host, port)
try:
located = requests.get(cliff_address, params=payload).json()
except Exception as e:
logger.warning('There was an error requesting geolocation. {}'.format(e))
return place_info
try:
focus = located['results']['places']['focus']
except:
return place_info
# logger.warning(focus)
if not focus:
return place_info
# If there's a city, we want that.
if focus['cities']:
# If there's more than one city, we just want the first.
# (That's questionable, but eh).
if len(focus['cities']) > 1:
try:
lat = focus['cities'][0]['lat']
lon = focus['cities'][0]['lon']
placeName = focus['cities'][0]['name']
countryCode = focus['cities'][0]['countryCode']
#countryDetails = focus['countries']
#for deet in countryDetails:
# if deet['countryCode'] == countryCode:
# countryName = deet['name']
# else:
# countryName = '' # shouldn't need these...
stateCode = focus['cities'][0]['countryCode']
stateDetails = focus['states']
for deet in stateDetails:
if deet['stateCode'] == stateCode:
stateName = deet['name']
else:
stateName = ''
place_info = {'lat': lat, 'lon': lon, 'placeName': placeName,
'restype': 'city', 'countryCode': countryCode,
'stateName': stateName}
return place_info
except:
logger.warning("Error on story. (multiple cities)")
logger.info(sentence)
return place_info
# If there's only one city, we're good to go.
elif len(focus['cities']) == 1:
try:
lat = focus['cities'][0]['lat']
lon = focus['cities'][0]['lon']
placeName = focus['cities'][0]['name']
countryCode = focus['cities'][0]['countryCode']
#countryDetails = focus['countries']
#for deet in countryDetails:
# if deet['countryCode'] == countryCode:
# countryName = deet['name']
# else:
# countryName = ''
stateCode = focus['cities'][0]['stateCode']
stateDetails = focus['states']
for deet in stateDetails:
if deet['stateCode'] == stateCode:
stateName = deet['name']
else:
stateName = ''
place_info = {'lat': lat, 'lon': lon, 'placeName': placeName,
'restype': 'city', 'countryCode': countryCode,
'stateName': stateName}
return place_info
except:
logger.warning("Error on story. (city == 1).")
logger.info(sentence)
return place_info
# If there's no city, we'll take a state.
elif (len(focus['states']) > 0) & (len(focus['cities']) == 0):
#if len(focus['states']) > 1:
# stateslist = focus['states'][0]
# lat = stateslist['states']['lat']
# lon = stateslist['states']['lon']
# placename = statelist['states']['name']
if len(focus['states']) == 1:
try:
lat = focus['states'][0]['lat']
lon = focus['states'][0]['lon']
placeName = focus['states'][0]['name']
countryCode = focus['states'][0]['countryCode']
#countryDetails = focus['countries']
#for deet in countryDetails:
# if deet['countryCode'] == countryCode:
# countryName = deet['name']
# else:
# countryName = ''
place_info = {'lat': lat, 'lon': lon, 'placeName': placeName,
'restype': 'state', 'countryCode': countryCode,
'stateName': stateName}
return place_info
except:
logger.warning("""Error on story. (cities == 0, states !=
0)""")
logger.info(sentence)
return place_info
#if ((focus['cities'] == []) & len(focus['states']) > 0):
# lat = focus['cities']['lat']
# lon = focus['cities']['lon']
# placename = focus['cities']['name']
elif (len(focus['cities']) == 0) & (len(focus['states']) == 0):
try:
lat = focus['countries'][0]['lat']
lon = focus['countries'][0]['lon']
countryCode = focus['countries'][0]['countryCode']
placeName = focus['countries'][0]['name']
place_info = {'lat': lat, 'lon': lon, 'placeName': placeName,
'restype': 'country', 'countryCode': countryCode,
'stateName': ''}
return place_info
except:
logger.warning("""Error on story. (cities == 0, states == 0)""")
logger.info(sentence)
return place_info
def iso_convert(iso2c):
"""
Takes a two character ISO country code and returns the corresponding 3
character ISO country code.
Parameters
----------
iso2c: A two character ISO country code.
Returns
-------
iso3c: A three character ISO country code.
"""
iso_dict = {"AD":"AND", "AE":"ARE", "AF":"AFG", "AG":"ATG", "AI":"AIA",
"AL":"ALB", "AM":"ARM", "AO":"AGO", "AQ":"ATA", "AR":"ARG",
"AS":"ASM", "AT":"AUT", "AU":"AUS", "AW":"ABW", "AX":"ALA",
"AZ":"AZE", "BA":"BIH", "BB":"BRB", "BD":"BGD", "BE":"BEL",
"BF":"BFA", "BG":"BGR", "BH":"BHR", "BI":"BDI", "BJ":"BEN",
"BL":"BLM", "BM":"BMU", "BN":"BRN", "BO":"BOL", "BQ":"BES",
"BR":"BRA", "BS":"BHS", "BT":"BTN", "BV":"BVT", "BW":"BWA",
"BY":"BLR", "BZ":"BLZ", "CA":"CAN", "CC":"CCK", "CD":"COD",
"CF":"CAF", "CG":"COG", "CH":"CHE", "CI":"CIV", "CK":"COK",
"CL":"CHL", "CM":"CMR", "CN":"CHN", "CO":"COL", "CR":"CRI",
"CU":"CUB", "CV":"CPV", "CW":"CUW", "CX":"CXR", "CY":"CYP",
"CZ":"CZE", "DE":"DEU", "DJ":"DJI", "DK":"DNK", "DM":"DMA",
"DO":"DOM", "DZ":"DZA", "EC":"ECU", "EE":"EST", "EG":"EGY",
"EH":"ESH", "ER":"ERI", "ES":"ESP", "ET":"ETH", "FI":"FIN",
"FJ":"FJI", "FK":"FLK", "FM":"FSM", "FO":"FRO", "FR":"FRA",
"GA":"GAB", "GB":"GBR", "GD":"GRD", "GE":"GEO", "GF":"GUF",
"GG":"GGY", "GH":"GHA", "GI":"GIB", "GL":"GRL", "GM":"GMB",
"GN":"GIN", "GP":"GLP", "GQ":"GNQ", "GR":"GRC", "GS":"SGS",
"GT":"GTM", "GU":"GUM", "GW":"GNB", "GY":"GUY", "HK":"HKG",
"HM":"HMD", "HN":"HND", "HR":"HRV", "HT":"HTI", "HU":"HUN",
"ID":"IDN", "IE":"IRL", "IL":"ISR", "IM":"IMN", "IN":"IND",
"IO":"IOT", "IQ":"IRQ", "IR":"IRN", "IS":"ISL", "IT":"ITA",
"JE":"JEY", "JM":"JAM", "JO":"JOR", "JP":"JPN", "KE":"KEN",
"KG":"KGZ", "KH":"KHM", "KI":"KIR", "KM":"COM", "KN":"KNA",
"KP":"PRK", "KR":"KOR", "XK":"XKX", "KW":"KWT", "KY":"CYM",
"KZ":"KAZ", "LA":"LAO", "LB":"LBN", "LC":"LCA", "LI":"LIE",
"LK":"LKA", "LR":"LBR", "LS":"LSO", "LT":"LTU", "LU":"LUX",
"LV":"LVA", "LY":"LBY", "MA":"MAR", "MC":"MCO", "MD":"MDA",
"ME":"MNE", "MF":"MAF", "MG":"MDG", "MH":"MHL", "MK":"MKD",
"ML":"MLI", "MM":"MMR", "MN":"MNG", "MO":"MAC", "MP":"MNP",
"MQ":"MTQ", "MR":"MRT", "MS":"MSR", "MT":"MLT", "MU":"MUS",
"MV":"MDV", "MW":"MWI", "MX":"MEX", "MY":"MYS", "MZ":"MOZ",
"NA":"NAM", "NC":"NCL", "NE":"NER", "NF":"NFK", "NG":"NGA",
"NI":"NIC", "NL":"NLD", "NO":"NOR", "NP":"NPL", "NR":"NRU",
"NU":"NIU", "NZ":"NZL", "OM":"OMN", "PA":"PAN", "PE":"PER",
"PF":"PYF", "PG":"PNG", "PH":"PHL", "PK":"PAK", "PL":"POL",
"PM":"SPM", "PN":"PCN", "PR":"PRI", "PS":"PSE", "PT":"PRT",
"PW":"PLW", "PY":"PRY", "QA":"QAT", "RE":"REU", "RO":"ROU",
"RS":"SRB", "RU":"RUS", "RW":"RWA", "SA":"SAU", "SB":"SLB",
"SC":"SYC", "SD":"SDN", "SS":"SSD", "SE":"SWE", "SG":"SGP",
"SH":"SHN", "SI":"SVN", "SJ":"SJM", "SK":"SVK", "SL":"SLE",
"SM":"SMR", "SN":"SEN", "SO":"SOM", "SR":"SUR", "ST":"STP",
"SV":"SLV", "SX":"SXM", "SY":"SYR", "SZ":"SWZ", "TC":"TCA",
"TD":"TCD", "TF":"ATF", "TG":"TGO", "TH":"THA", "TJ":"TJK",
"TK":"TKL", "TL":"TLS", "TM":"TKM", "TN":"TUN", "TO":"TON",
"TR":"TUR", "TT":"TTO", "TV":"TUV", "TW":"TWN", "TZ":"TZA",
"UA":"UKR", "UG":"UGA", "UM":"UMI", "US":"USA", "UY":"URY",
"UZ":"UZB", "VA":"VAT", "VC":"VCT", "VE":"VEN", "VG":"VGB",
"VI":"VIR", "VN":"VNM", "VU":"VUT", "WF":"WLF", "WS":"WSM",
"YE":"YEM", "YT":"MYT", "ZA":"ZAF", "ZM":"ZMB", "ZW":"ZWE",
"CS":"SCG", "AN":"ANT"}
try:
iso3c = iso_dict[iso2c]
return iso3c
except KeyError:
print('Bad code: ' + iso2c)
iso3c = "NA"
return iso3c
def main(events, file_details, server_details):
"""
Pulls out a database ID and runs the ``query_cliff`` function to hit MIT's
CLIFF/CLAVIN geolocation system running locally and find location
information within the sentence.
Parameters
----------
events: Dictionary.
Contains filtered events from the one-a-day filter. Keys are
(DATE, SOURCE, TARGET, EVENT) tuples, values are lists of
IDs, sources, and issues.
Returns
-------
events: Dictionary.
Same as in the parameter but with the addition of a value that is
a list of lon, lat, placeName, stateName, countryCode.
"""
coll = utilities.make_conn(file_details.auth_db, file_details.auth_user,
file_details.auth_pass)
for event in events:
event_id, sentence_id = events[event]['ids'][0].split('_')
# print(event_id)
result = coll.find_one({'_id': ObjectId(event_id.split('_')[0])})
sents = utilities.sentence_segmenter(result['content'])
query_text = sents[int(sentence_id)]
geo_info = query_cliff(query_text, server_details.cliff_host,
server_details.cliff_port)
if geo_info:
try:
if geo_info['countryCode'] != "":
geo_info['countryCode'] = iso_convert(geo_info['countryCode'])
except:
logger.warning("""Error converting country codes.""")
events[event]['geo'] = (geo_info['lon'], geo_info['lat'],
geo_info['placeName'],
geo_info['stateName'],
geo_info['countryCode'])
# Add in country and restype here
return events