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[ParkAPI] a modul, to get an old totals value from json file or null
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| #if a city does not send totals so we push totals to the higest known value in the json file | |
| # | |
| # problem: if one lot name exist twice, it takes always the last value | |
| # but a lot name should never exists more than one time | |
| def get_lastlots ( lot_name ) : | |
| import os.path | |
| lots = 0 | |
| last_values_json = "cache/<city>.json" | |
| if os.path.isfile(last_values_json): | |
| with open(last_values_json) as data_file: | |
| import json | |
| last_values = json.load(data_file) | |
| if last_values is None : | |
| # if no last json file exists, return 0 | |
| return 0 | |
| for lastlots in last_values["lots"] : | |
| if lastlots["name"] is lot_name: | |
| lots = int(lastlots["total"]) | |
| return lots |
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