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66 lines
2.7 KiB
Python
66 lines
2.7 KiB
Python
import re
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from time import sleep
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from fastkml import kml
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from pyhamtools.locator import latlong_to_locator
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from core.enums import ActivityRefType
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from data.activity_ref import ActivityRef
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from providers.activityrefdata.file_download_activity_ref_data_provider import (
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FileDownloadActivityRefDataProvider,
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)
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class ParksNPeaksKMLActivityRefDataProvider(FileDownloadActivityRefDataProvider):
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"""Base class for activity ref data providers that use parksnpeaks.org KML POI feeds and have references that
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use the VKFF refs rather than their own system (i.e. KRMNPA and SANPCPA)."""
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REF_PATTERN = re.compile(r"VKFF-\d+")
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def __init__(self, sig_name, provider_config, url, poll_interval):
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"""Set up the provider, note poll_interval is in *days*."""
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super().__init__(sig_name, provider_config, url, poll_interval)
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def _http_response_to_data(self, http_response):
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new_data = []
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k = kml.KML.from_string(http_response.content)
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for document in k.features:
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# noinspection unresolved-references
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for folder in document.features:
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# noinspection unresolved-references
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for placemark in folder.features:
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description = placemark.description or ""
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match = self.REF_PATTERN.search(description)
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if not match:
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# No VKFF reference found in this placemark - skip it (e.g. non-park waypoints)
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continue
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ref_id = match.group(0)
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longitude, latitude = placemark.geometry.x, placemark.geometry.y
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ref = ActivityRef(
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sig=self.sig_name,
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id=ref_id,
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name=placemark.name,
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ref_type=ActivityRefType.PARK,
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url=f"https://parksnpeaks.org/getPark.php?actPark={ref_id}",
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latitude=latitude,
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longitude=longitude,
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)
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if latitude and longitude:
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ref.grid = latlong_to_locator(latitude, longitude, 6)
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new_data.append(ref)
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# Bail out if a stop has been requested, i.e. the program is shutting down - no need to
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# parse the rest of the data in this case
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if self._stop_event.is_set():
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return new_data
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# Very short pause. This will extend the time to handle activity refs by a few seconds but will ensure some time
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# is available for other threads e.g. the web server.
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sleep(0.001)
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return new_data
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