70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
import asyncio
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import aiohttp
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import time as epochTime
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import datetime
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import requests
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from RadarProcessor import *
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from os import mkdir, path
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from genericpath import exists
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upperLeftX,upperLeftY,lowerRightX,lowerRightY = 0,0,0,0
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xStart,xEnd,yStart,yEnd = 0,0,0,0
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imgW = 0
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imgH = 0
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async def getValidTimestamps(boundaries:ImageBoundaries) -> list:
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"""Gets all valid UNIX timestamps for the TWCRadarMosaic product """
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print("Getting timestamps for the radar..")
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times = []
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async with aiohttp.ClientSession() as session:
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url = "https://api.weather.com/v3/TileServer/series/productSet?apiKey=" + cfg[twcApiKey] + "&filter=twcRadarMosaic"
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async with session.get(url) as r:
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response = await r.json()
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for t in range(0, len(response['seriesInfo']['twcRadarMosaic']['series'])):
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if (t <= 35):
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time = response['seriesInfo']['twcRadarMosaic']['series'][t]['ts']
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# Don't add frames that aren't at the correct interval
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if (time % boundaries.ImageInterval != 0):
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print(f"Ignoring {time} -- Not at the correct frame interval.")
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continue
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# Don't add frames that are expired
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if (time < (datetime.utcnow().timestamp() - epochTime.time()) / 1000 - boundaries.Expiration):
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print(f"Ignoring {time} -- Expired.")
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continue
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times.append(time)
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return times
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def downloadRadarTile(url, p, fn):
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img = requests.get(url, stream=True)
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ts = fn.split("_")[0]
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download = True
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# Make the path if it doesn't exist
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if exists(f"tiles/output/{ts}.tiff"):
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print("Not downloading tiles for timestamp " + str(ts) + " since a frame for it already exists." )
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download = False
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if not path.exists(p):
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mkdir(p)
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print(f"Download {ts}")
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if exists(f"{p}/{fn}"):
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print(f"Not downloading new tiles for {ts} as they already exist.")
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download = False
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if (img.status_code == 200 and download):
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with open(f'{p}/{fn}', 'wb') as tile:
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for data in img:
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tile.write(data)
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elif (img.status_code != 200):
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print("ERROR DOWNLOADING " + p + "\nSTATUS CODE " + str(img.status_code))
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elif (download == False):
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pass
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