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https://github.com/EDCD/EDMarketConnector.git
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55 lines
1.9 KiB
Python
Executable File
55 lines
1.9 KiB
Python
Executable File
#!/usr/bin/python
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#
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# eddb.io station database
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#
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import cPickle
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import os
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from os.path import dirname, join, normpath
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import sys
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from sys import platform
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class EDDB:
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def __init__(self):
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self.system_ids = cPickle.load(open(join(self.respath(), 'systems.p'), 'rb'))
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self.station_ids = cPickle.load(open(join(self.respath(), 'stations.p'), 'rb'))
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# system_name -> system_id
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def system(self, system_name):
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return self.system_ids.get(system_name, 0) # return 0 on failure (0 is not a valid id)
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# (system_name, station_name) -> station_id
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def station(self, system_name, station_name):
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return self.station_ids.get((self.system_ids.get(system_name), station_name), 0) # return 0 on failure (0 is not a valid id)
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def respath(self):
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if getattr(sys, 'frozen', False):
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if platform=='darwin':
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return normpath(join(dirname(sys.executable), os.pardir, 'Resources'))
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else:
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return dirname(sys.executable)
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elif __file__:
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return dirname(__file__)
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else:
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return '.'
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# build system & station database from files systems.json and stations_lite.json from http://eddb.io/api
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if __name__ == "__main__":
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import json
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# system_name by system_id
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systems = dict([(x['id'], str(x['name'])) for x in json.loads(open('systems.json').read())])
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stations = json.loads(open('stations_lite.json').read())
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# system_id by system_name - populated systems only
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system_ids = dict([(systems[x['system_id']], x['system_id']) for x in stations])
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cPickle.dump(system_ids, open('systems.p', 'wb'), protocol = cPickle.HIGHEST_PROTOCOL)
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# station_id by (system_id, station_name)
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station_ids = dict([((x['system_id'], str(x['name'])), x['id']) for x in stations])
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cPickle.dump(station_ids, open('stations.p', 'wb'), protocol = cPickle.HIGHEST_PROTOCOL)
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