Moved to single file
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jude
parent
0a04d8f68f
commit
664c7c46a0
1
.gitignore
vendored
1
.gitignore
vendored
@ -163,3 +163,4 @@ cython_debug/
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data.json
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*.osm
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*.gpx
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cache/
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@ -1,69 +0,0 @@
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import re
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from io import StringIO
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import csv
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import json
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import requests
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def get_megalithic_data(country=1):
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def megalithic_url(country):
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return 'https://www.megalithic.co.uk/cache/csvmap_country{}.csv'.format(country)
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# Megalithic doesn't really want people scraping
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response = requests.get(
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megalithic_url(country),
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headers={
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0'
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}
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)
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if response.status_code != 200:
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raise Exception('Failed to fetch data from Megalithic.UK: {}'.format(response.text))
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content = StringIO(response.text)
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reader = csv.DictReader(content, delimiter='|')
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data = []
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for row in reader:
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data.append({
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'lat': row['lat'],
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'lng': row['lng'],
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'name': row['Name'],
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'type': row['Type'],
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'url': 'https://megalithic.co.uk/article.php?sid={}'.format(row['SID']),
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})
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return data
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def get_stone_circles_data():
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response = requests.get('http://www.stone-circles.org.uk/stone/Cluster/Coords/coords.js')
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if response.status_code != 200:
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raise Exception('Failed to fetch data from stone-circles.org.uk: {}'.format(response.text))
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content = re.match(
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r'.+ = \[(\[.+]),?];',
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response.text.replace('\n', '')
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)
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content = re.sub(r'\\(?!")', '', content.groups()[0])
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arr = json.loads('[{}]'.format(content))
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data = []
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for item in arr:
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data.append({
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'lat': item[0],
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'lng': item[1],
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'name': re.sub(r'<.+?>', '', re.match(r'<b>(.+)</b>', item[2]).groups()[0]),
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'type': re.sub(r'.+>', '', item[2].replace('<br>', ' ')),
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'url': 'http://www.stone-circles.org.uk/stone/{}'.format(re.search(r'href=([a-zA-Z.]+)', item[2]).groups()[0]),
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})
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return data
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if __name__ == '__main__':
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all_data = get_stone_circles_data() # + get_megalithic_data()
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with open('data.json', 'w') as f:
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json.dump(all_data, f)
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161
gpx.py
Normal file
161
gpx.py
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@ -0,0 +1,161 @@
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import csv
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import json
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import argparse
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from html import escape
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from pathlib import Path
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import re
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import requests
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parser = argparse.ArgumentParser(
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prog="megalithosm",
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description="Fetch data from megalith sources and produce a GPX file",
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)
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parser.add_argument(
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"-q",
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"--quality",
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default=5,
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type=int,
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help="Include sites of this quality or higher",
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)
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parser.add_argument("-r", "--refetch", action="store_true", default=False)
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args = parser.parse_args()
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country_range = 6
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def cache_stone_circles():
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response = requests.get(
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"http://www.stone-circles.org.uk/stone/Cluster/Coords/coords.js"
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)
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if response.status_code != 200:
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raise Exception(
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"Failed to fetch data from stone-circles.org.uk: {}".format(response.text)
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)
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Path("cache").mkdir(exist_ok=True)
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with open("cache/stone-circles.js", "w") as f:
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f.write(response.text)
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def cache_megalithic():
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def megalithic_url(country):
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return "https://www.megalithic.co.uk/cache/csvmap_country{}.csv".format(country)
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for country in range(1, country_range):
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# Megalithic doesn't really want people scraping
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response = requests.get(
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megalithic_url(country),
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headers={
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"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0"
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},
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)
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if response.status_code != 200:
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raise Exception(
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"Failed to fetch data from Megalithic.UK: {}".format(response.text)
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)
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Path("cache").mkdir(exist_ok=True)
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with open("cache/megalithic-{}.csv".format(country), "w") as f:
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f.write(response.text)
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if args.refetch or not Path("cache/stone-circles.js").exists():
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print("Refreshing stone-circles.org.uk cache")
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cache_stone_circles()
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if args.refetch or not all(
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Path("cache/megalithic-{}.csv".format(c)).exists() for c in range(1, country_range)
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):
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print("Refreshing megalithic.co.uk cache")
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cache_megalithic()
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print("Post-processing data")
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data = []
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for country in range(1, country_range):
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with open("cache/megalithic-{}.csv".format(country)) as f:
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reader = csv.DictReader(f, delimiter="|")
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types = set()
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for row in reader:
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types.add(row["Type"])
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data.append(
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{
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"lat": row["lat"],
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"lng": row["lng"],
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"name": row["Name"],
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"type": row["Type"],
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"url": "https://megalithic.co.uk/article.php?sid={}".format(
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row["SID"]
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),
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"quality": int(row["Condition"]),
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}
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)
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with open("cache/stone-circles.js") as f:
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content = f.read()
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content = re.match(r".+ = \[(\[.+]),?];", content.replace("\n", ""))
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content = re.sub(r'\\(?!")', "", content.groups()[0])
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arr = json.loads("[{}]".format(content))
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for item in arr:
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data.append(
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{
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"lat": item[0],
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"lng": item[1],
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"name": re.sub(
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r"<.+?>", "", re.match(r"<b>(.+)</b>", item[2]).groups()[0]
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),
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"type": re.sub(r".+>", "", item[2].replace("<br>", " ")),
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"url": "http://www.stone-circles.org.uk/stone/{}".format(
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re.search(r"href=([a-zA-Z.]+)", item[2]).groups()[0]
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),
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"quality": 5,
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}
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)
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print("Generating GPX")
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with open("Megaliths.gpx", "w") as gpx_file:
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gpx_file.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<gpx xmlns="http://www.topografix.com/GPX/1/1"
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version="1.1"
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creator="megalithosm"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
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<metadata>
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<name>Megalith sites</name>
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<author>
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<name>Jude Southworth</name>
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</author>
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</metadata>"""
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)
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seen_sites = set()
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for poi in data:
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norm_name = re.sub(r"\s", "", poi["name"]).lower()
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site_key = "{},{},{}".format(poi["lat"], poi["lng"], norm_name)
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if site_key in seen_sites:
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print("Omitting duplicate site: {}".format(poi["name"]))
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continue
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if poi["quality"] < args.quality:
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continue
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if poi["type"] in ["Museum", "Modern Stone Circle etc"]:
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print("Omitting uninteresting feature: {}".format(poi["name"]))
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continue
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# Deduplicate entries
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seen_sites.add(site_key)
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name = "{} ({})".format(poi["name"], poi["type"].strip())
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gpx_file.write(
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"""
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<wpt lat="{}" lon="{}">
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<name>{}</name>
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<desc>{}</desc>
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</wpt>""".format(
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poi["lat"], poi["lng"], escape(name), escape(poi["url"])
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)
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)
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gpx_file.write("""\n</gpx>""")
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@ -1,2 +1,3 @@
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requests~=2.31
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pandas~=2.2
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black~=24.2
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31
to_gpx.py
31
to_gpx.py
@ -1,31 +0,0 @@
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import json
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from html import escape
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with open('data.json') as data_file:
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data = json.load(data_file)
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with open('Megaliths.gpx', 'w') as gpx_file:
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gpx_file.write('''<?xml version="1.0" encoding="UTF-8"?>
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<gpx xmlns="http://www.topografix.com/GPX/1/1"
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version="1.1"
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creator="megalithosm"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
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<metadata>
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<name>Megalith sites</name>
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<author>
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<name>Jude Southworth</name>
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</author>
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</metadata>''')
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for poi in data:
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name = '{} ({})'.format(poi['name'], poi['type'].strip())
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gpx_file.write(
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'''
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<wpt lat="{}" lon="{}">
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<name>{}</name>
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<desc>{}</desc>
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</wpt>'''.format(poi['lat'], poi['lng'], escape(name), poi['url'])
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)
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gpx_file.write('</gpx>')
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