mirror of
https://github.com/silenty4ng/k5sat
synced 2025-01-15 06:52:08 +00:00
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
import head
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from datetime import datetime, timedelta
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from flask import Flask, request, jsonify
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from flask_cors import cross_origin
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import ephem
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app = Flask(__name__)
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def local2utc(local_dtm):
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# 本地时间转 UTC 时间（ -8:00 ）
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return datetime.utcfromtimestamp(local_dtm.timestamp())
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@app.route("/pass", methods=['POST'])
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@cross_origin()
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def satpass():
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sat = request.json.get('sat', '')
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sat_line_1 = request.json.get('sat_line_1', '')
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sat_line_2 = request.json.get('sat_line_2', '')
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lat = request.json.get('lat', 0)
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lng = request.json.get('lng', 0)
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alt = request.json.get('alt', 0)
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target_satellite, find_flag = head.FIND_SATE(sat_line_1, sat_line_2, sat)
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pass_times, departure_times = head.CAL_PASS_TIME(target_satellite,
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float(lat), float(lng),
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float(alt))
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return jsonify({
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'code': 200,
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'pass_times': pass_times,
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'departure_times': departure_times
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})
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@app.route("/doppler", methods=['POST'])
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@cross_origin()
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def doppler():
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sat = request.json.get('sat', '')
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sat_line_1 = request.json.get('sat_line_1', '')
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sat_line_2 = request.json.get('sat_line_2', '')
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lat = request.json.get('lat', 0)
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lng = request.json.get('lng', 0)
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alt = request.json.get('alt', 0)
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tx = request.json.get('tx', 0)
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rx = request.json.get('rx', 0)
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format = "%Y-%m-%d %H:%M:%S"
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pass_time = datetime.strptime(request.json.get('pass_time', ''), format)
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departure_time = datetime.strptime(request.json.get('departure_time', ''),
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format)
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satellite = ephem.readtle(sat, sat_line_1, sat_line_2)
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# print(str(pass_time) + " " + str(local2utc(pass_time)))
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shift_array = []
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while pass_time < departure_time + timedelta(seconds=2):
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AZ, EI, SHITF_UP, SHIFT_DOWN, DIS = head.CAL_DATA(
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satellite, sat_line_1, sat_line_2, float(lng), float(lat),
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float(alt), local2utc(pass_time),
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float(tx) * 1000000,
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float(rx) * 1000000)
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shift_array.append([SHITF_UP, SHIFT_DOWN])
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pass_time = pass_time + timedelta(seconds=2)
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return jsonify({'code': 200, 'shift_array': shift_array})
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