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October 17, 2023 08:48
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Rungap for iOS exports GPS data as JSON file in the free version. This script converts it to GPX. Tested with python3.6. Might need to install required modules. Simply place either the metadata and data json files, or the complete zip file in the same directoryas the script and run it. Warning: Does barely any error checking
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import xml.etree.cElementTree as ElementTree | |
import json, pytz, zipfile, unicodedata, re | |
from datetime import datetime | |
from os import listdir | |
from os.path import isfile, join | |
import glob | |
def slugify(value): | |
""" | |
Normalizes string, converts to lowercase, removes non-alpha characters. | |
Slightly modified from https://github.com/django/django/blob/master/django/utils/text.py | |
""" | |
value = str(value) | |
try: | |
value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode('ascii') | |
value = re.sub(r'[^\w\s-]', '', value).strip().lower() | |
value = re.sub(r'[-\s]+', '-', value) | |
except: | |
print('Could not slugify filename, will use default one instead') | |
value = 'output' | |
return value | |
creator = "GapX" | |
version = "1.1" | |
zip_files = glob.glob("*.zip") | |
for zip_file in zip_files: | |
print("Unzipping " + zip_file) | |
zip_ref = zipfile.ZipFile(zip_file, 'r') | |
for info in zip_ref.infolist(): | |
print(info.filename) | |
if info.filename.endswith("metadata.json") or info.filename.endswith("rungap.json") or info.filename.endswith("nike.json"): | |
zip_ref.extract(info) | |
zip_ref.close() | |
metadata_files = glob.glob("*metadata.json") | |
data_files = glob.glob("*rungap.json") | |
data_files += glob.glob("*nike.json") | |
print("Found metadata files") | |
print(metadata_files) | |
print("Found data files") | |
print(data_files) | |
if len(metadata_files) != len(data_files): | |
print("Error, number of metadata files does not match number of datafiles!") | |
exit(1) | |
for idx, metadata_file in enumerate(metadata_files): | |
print("=========") | |
print("Parsing " + metadata_file + " and " + data_files[idx]) | |
metadata_data = json.load(open(metadata_file)) | |
data = json.load(open(data_files[idx])) | |
root = ElementTree.Element("gpx") | |
root.set("xmlns","http://www.topografix.com/GPX/1/1") | |
root.set("creator", creator) | |
root.set("version", version) | |
metadata = ElementTree.SubElement(root, "metadata") | |
name = metadata_data["title"] | |
desc = metadata_data["description"] | |
print("Route name: " + name) | |
print("Route description: " + desc) | |
ElementTree.SubElement(metadata, "name").text = name | |
ElementTree.SubElement(metadata, "desc").text = desc | |
ElementTree.SubElement(metadata, "time").text = metadata_data["startTime"]["time"] | |
timezone = pytz.timezone(metadata_data["startTime"].get("timeZone", "UTC")) | |
source = metadata_data["source"] + " exported by Rungap for iOS, version " + metadata_data["appversion"] | |
track = ElementTree.SubElement(root, "trk") | |
ElementTree.SubElement(track, "name").text = name | |
ElementTree.SubElement(track, "desc").text = desc | |
ElementTree.SubElement(track, "src").text = source | |
segment = ElementTree.SubElement(track, "trkseg") | |
if "laps" in data: | |
print("Found " + str(len(data["laps"][0]["points"])) + " track points") | |
for point in data["laps"][0]["points"]: | |
if ("lat" in point and "lon" in point and "ele" in point and "time" in point): | |
trkpt = ElementTree.SubElement(segment, "trkpt", lat=str(point["lat"]), lon=str(point["lon"])) | |
ElementTree.SubElement(trkpt, "ele").text = str(point["ele"]) | |
ElementTree.SubElement(trkpt, "time").text = datetime.fromtimestamp(point["time"], timezone).isoformat() | |
elif "laps" in metadata_data: | |
print("Found " + str(len(metadata_data["laps"])) + " track points") | |
for point in metadata_data["laps"]: | |
p = point.get("startLocation", {}) | |
if ("lat" in p and "lon" in p and "startTime" in point): | |
#dt = datetime.datetime.strptime(d, "%Y-%m-%dT%H:%M:%SZ") | |
trkpt = ElementTree.SubElement(segment, "trkpt", lat=str(p["lat"]), lon=str(p["lon"])) | |
ElementTree.SubElement(trkpt, "time").text = point["startTime"] | |
gpx_filename = slugify(name + " - " + datetime.now().isoformat()) + ".gpx" | |
print("Writing " + gpx_filename) | |
tree = ElementTree.ElementTree(root) | |
tree.write(gpx_filename, "UTF-8", True) |
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Ah, I think I know what the issue was. Should work with the zip file now too