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traffic/pytraffic/example.py
47 строк
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Maxim Pimenov
[traffic] Python bindings for binary keys section.
12 дек 2016, 18:49
12 дек 2016, 18:49
0b02bef
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from __future__ import print_function from pytraffic import (RoadSegmentId, SegmentSpeeds, load_classificator, generate_traffic_keys, generate_traffic_values_from_binary, generate_traffic_values_from_list) import argparse parser = argparse.ArgumentParser(description='Example usage of pytraffic.') parser.add_argument("--path_to_classificator", dest="path_to_classificator", help="Path to the directory that contains classificator.txt.") parser.add_argument("--path_to_mwm", dest="path_to_mwm", help="Path to the target mwm file.") parser.add_argument("--path_to_keys", dest="path_to_keys", help="Path to serialized key data (i.e. the \"traffic\" section).") options = parser.parse_args() if not options.path_to_classificator or not options.path_to_mwm or not options.path_to_keys: parser.print_help() exit() load_classificator(options.path_to_classificator) keys = [ RoadSegmentId(0, 0, 0), RoadSegmentId(1, 0, 0), RoadSegmentId(1, 0, 1), ] fid, idx, dir = keys[2].fid, keys[2].idx, keys[2].dir print(fid, idx, dir) keys_from_mwm = generate_traffic_keys(options.path_to_mwm) seg_speeds = SegmentSpeeds(1.0, 2.0, 3.0) ws, wrs, w = seg_speeds.weighted_speed, seg_speeds.weighted_ref_speed, seg_speeds.weight print(ws, wrs, w) mapping = { RoadSegmentId(0, 0, 0): SegmentSpeeds(1.0, 2.0, 3.0), RoadSegmentId(1, 0, 1): SegmentSpeeds(4.0, 5.0, 6.0), } buf1 = generate_traffic_values_from_list(keys, mapping) with open(options.path_to_keys, "rb") as bin_data: buf2 = generate_traffic_values_from_binary(bin_data.read(), {})