Mercurial > hg > GlobalNeighbors

annotate globalneighbors/determine_distances.py @ 7:254195d0bac2

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partial implementation of autocomplete using jqueryui; easyautocomplete.com may be more what we want
author Jeff Hammel <k0scist@gmail.com>
date Sun, 25 Jun 2017 09:13:48 -0700
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1 #!/usr/bin/env python
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2
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3 """
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4 determine distances from an output of neighbors
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5
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6 This takes a JSON input file of the format of
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7 {"geoid": [neighborgeoid, neighborgeoid2, ...]}
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9 and reduces this to a mapping of
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10
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11 {"geoid": [(geoid_remote, distance),
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12 (geoid_remote2, distance2),
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13 ...]
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14 ...
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15 }
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16 """
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17
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18 import argparse
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19 import json
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20 import sys
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21 from .cli import CitiesParser
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22 from .constants import Rearth
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23
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24 try:
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25 # python 2
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26 string = (str, unicode)
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27 except NameError:
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28 # python 3
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29 string = (str, )
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30
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32 def geoids2distances(f, locations, r=Rearth):
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33 """convert geoidstodistance with locations mapping"""
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34
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35 # allow file paths or pointers
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36 if isinstance(f, string):
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37 with open(f) as f_:
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38 return geoids2distances(f_, locations)
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39
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40 # load the data
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41 data = json.loads(f.read())
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42
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43
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44 def main(args=sys.argv[1:]):
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45 """CLI"""
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46
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47 # parse command line
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48 parser = CitiesParser(description=__doc__)
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49 parser.add_argument('neighbors',
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50 type=argparse.FileType('r'),
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51 help="file of nearest neighrbors")
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52 options = parser.parse_args(args)
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53
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54 # read data
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55 cities = list(read_cities(options.cities, fields=fields))
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56
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57 # get locations
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58 city_locations = locations(cities)
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60
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61 if __name__ == '__main__':
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62 main