mirror of
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103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
import logging
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import re
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from datetime import datetime
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from typing import cast
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import pytz
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from rss_parser import Parser
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from rss_parser.models.rss import RSS
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from data.sig_ref import SIGRef
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from data.spot import Spot
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from providers.spot.http_spot_provider import HTTPSpotProvider
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logger = logging.getLogger(__name__)
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class WOTA(HTTPSpotProvider):
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"""Spot provider for Wainwrights on the Air"""
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POLL_INTERVAL_SEC = 120
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SPOTS_URL = "https://www.wota.org.uk/spots_rss.php"
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RSS_DATE_TIME_FORMAT = "%a, %d %b %Y %H:%M:%S %z"
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def __init__(self, provider_config):
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super().__init__("WOTA", provider_config, self.SPOTS_URL, self.POLL_INTERVAL_SEC)
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def _http_response_to_spots(self, http_response):
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new_spots = []
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rss = cast(RSS, Parser.parse(http_response.content.decode("utf-8-sig")))
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# Iterate through source data
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for source_spot in rss.channel.items:
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try:
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# Reject GUID missing or zero
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if (
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not source_spot.guid
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or not source_spot.guid.content
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or source_spot.guid.content == "http://www.wota.org.uk/spots/0"
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):
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continue
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# Pick apart the title
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dx_call = None
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ref = None
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ref_name = None
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try:
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title_split = source_spot.title.split(" on ")
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dx_call = title_split[0]
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if len(title_split) > 1:
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ref_split = title_split[1].split(" - ")
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ref = str(ref_split[0])
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if len(ref_split) > 1:
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ref_name = str(ref_split[1])
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except Exception:
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logger.warning(f"Could not parse WOTA spot title: {source_spot.title}")
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# Pick apart the description
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freq_hz = None
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mode = None
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comment = None
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spotter = None
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try:
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desc_split = source_spot.description.split(". ")
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freq_mode = desc_split[0].replace("Frequencies/modes:", "").strip()
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freq_mode_split = re.split(r"[\-\s]+", freq_mode)
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freq_hz = float(freq_mode_split[0].replace("'", ".")) * 1000000
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if len(freq_mode_split) > 1:
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mode = freq_mode_split[1].upper()
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if len(desc_split) > 1:
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comment = desc_split[1].strip()
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if len(desc_split) > 2:
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spotter = desc_split[2].replace("Spotted by ", "").replace(".", "").upper().strip()
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except Exception:
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logger.warning(f"Could not parse WOTA spot description: {source_spot.description}")
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time = datetime.strptime(source_spot.pub_date.content, self.RSS_DATE_TIME_FORMAT).astimezone(pytz.UTC)
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# Convert to our spot format
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spot = Spot(
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source=self.name,
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source_id=source_spot.guid.content,
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dx_call=dx_call,
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de_call=spotter,
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freq=freq_hz,
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mode=mode,
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comment=comment,
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sig="WOTA",
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sig_refs=[SIGRef(id=ref, sig="WOTA", name=ref_name)] if ref else [],
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time=time.timestamp(),
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)
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new_spots.append(spot)
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except Exception:
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logger.exception("Exception parsing WOTA spot")
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return new_spots
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def can_submit_spot(self, sig):
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return sig == "WOTA"
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def submit_spot(self, spot, credentials):
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# TODO Ask M5TEA if he's happy to share how this is done from his app
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raise NotImplementedError("WOTA upstream spot submission is not yet implemented")
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