def get_geocodes(tweet_list):
"""Get the latitude and longitude for each tweet's location.
Returns the number of tweets with invalid location data."""
print('Getting coordinates for tweet locations...')
geo = OpenMapQuest(api_key=keys.mapquest_key) # geocoder
bad_locations = 0
for tweet in tweet_list:
processed = False
delay = .1 # used if OpenMapQuest times out to delay next call
while not processed:
try: # get coordinates for tweet['location']
geo_location = geo.geocode(tweet['location'])
processed = True
except: # timed out, so wait before trying again
print('OpenMapQuest service timed out. Waiting.')
time.sleep(delay)
delay += .1
if geo_location:
tweet['latitude'] = geo_location.latitude
tweet['longitude'] = geo_location.longitude
else:
bad_locations += 1 # tweet['location'] was invalid
print('Done geocoding')
return bad_locations
def get_geocodes(tweet_list):
"""Get the latitude and longitude for each tweet's location.
Returns the number of tweets with invalid location data."""
print('Getting coordinates for tweet locations...')
geo = OpenMapQuest(api_key=key.mapquest_key) # geocoder
bad_locations = 0
for tweet in tweet_list:
processed = False
delay = .1 # used if OpenMapQuest times out to delay next call
while not processed:
try: # get coordinates for tweet['location']
geo_location = geo.geocode(tweet['location'])
processed = True
except: # timed out, so wait before trying again
print('OpenMapQuest service timed out. Waiting.')
time.sleep(delay)
delay += .1
if geo_location:
tweet['latitude'] = geo_location.latitude
tweet['longitude'] = geo_location.longitude
else:
bad_locations += 1 # tweet['location'] was invalid
print('Done geocoding')
return bad_locations
##########################################################################
# (C) Copyright 2019 by Deitel & Associates, Inc. and #
# Pearson Education, Inc. All Rights Reserved. #
# #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
##########################################################################
def GetGeocodes(ListOfTweets):
"""
A Function to customize the list of dictionaries which
represents tweets, and add in every dictionary the GeoLocation.latitude
and the GeoLocation.longitude attributes for the location of the tweet.
"""
print("Getting Coords...")
# Connect mapquest with my personal developer API key.
Geo = OpenMapQuest(api_key=Keys.MapAPIKey)
# number of tweets without locations.
BadLocations = 0
# traverse the tweet list.
for Tweet in ListOfTweets:
ProcessedFlag = False
Delay = .1
GeoLocation = ""
# try to see if a tweet is processed and handle a connection failure or timeout(if we trigger one).
while not ProcessedFlag:
try:
GeoLocation = Geo.geocode(Tweet["Location"])
ProcessedFlag = True
except:
print("Time out, trying again")
time.sleep(Delay)
Delay += .1
# Add {"Latitude" : GeoLocation.latitude} and {"Longitude" : GeoLocation.longitude}
# to our Tweet Dictionary.
if GeoLocation:
Tweet["Latitude"] = GeoLocation.latitude
Tweet["Longitude"] = GeoLocation.longitude
else:
BadLocations += 1
print("GeoCoding Done")
# return the number of bad locations.
return BadLocations
def get_geocodes(tweet_list):
"""Get the latitude and longitude for each tweet's location.
Returns the number of tweets with invalid location data."""
print('Getting tweet locations...')
geo = OpenMapQuest(api_key=mykeys.mapquest_key)
invalid = 0
for tweet in tweet_list:
processed = False
delay = .1
while not processed:
try:
geo_location = geo.geocode(tweet['location'])
processed = True
except:
print('OpenMapQuest service timed out, trying again...')
time.sleep(delay)
delay += .1
if geo_location:
tweet['latitude'] = geo_location.latitude
tweet['longitude'] = geo_location.longitude
else:
invalid += 1 # tweet['location'] was invalid
print('Geocoding successful')
return invalid
# Section 15.2 Self Check snippets
# Exercise 1
import keys
from geopy import OpenMapQuest
geo = OpenMapQuest(api_key=keys.mapquest_key)
geo.geocode('Chicago, IL')
##########################################################################
# (C) Copyright 2019 by Deitel & Associates, Inc. and #
# Pearson Education, Inc. All Rights Reserved. #
# #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
##########################################################################
from state_codes import state_codes
geo = OpenMapQuest(api_key=keys.mapquest_key)
states = tweet_counts_df.State.unique()
states.sort()
locations = []
for state in states:
processed = False
delay = .1
while not processed:
try:
locations.append(geo.geocode(state_codes[state] + ', USA'))
print(locations[-1])
processed = True
except: # timed out, so wait before trying again
print('OpenMapQuest service timed out. Waiting.')
time.sleep(delay)
delay += .1
# Grouping the Tweet Counts by State
tweets_counts_by_state = tweet_counts_df.groupby('State', as_index=False).sum()
tweets_counts_by_state.head()
# Creating the Map
import folium