added lib/airports.py

lib/airports.py

@@ -0,0 +1,22 @@
+import csv
+
+AIRPORTS_DAT_FILE = '/home/igor/wttrin-geo/share/airports.dat'
+
+def load_aiports_index():
+    file_ = open(AIRPORTS_DAT_FILE, "r")
+    reader = csv.reader(file_)
+    airport_index = {}
+
+    for line in reader:
+        airport_index[line[4]] = line
+
+    return airport_index
+
+AIRPORTS_INDEX = load_aiports_index()
+
+def get_airport_gps_location(iata_code):
+    if iata_code in AIRPORTS_INDEX:
+        airport = AIRPORTS_INDEX[iata_code]
+        return '%s,%s airport' % (airport[6], airport[7]) #, airport[1])
+    return None
+