Source

scripts / gpx-join.py

#!/usr/bin/env python
# PYTHON_ARGCOMPLETE_OK

#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

"""
Joins given GPS tracks as segments of a single track.

Requirements

* argh
* gpxpy

"""
import argh
import gpxpy
import gpxpy.gpx


def join_as_tracks(paths):
    tracks = []
    for path in paths:
        file_data = gpxpy.parse(open(path))
        tracks.extend(file_data.tracks)
    return gpxpy.gpx.GPX(tracks=tracks)


def join_as_segments(paths):
    segments = []
    for path in paths:
        file_data = gpxpy.parse(open(path))
        for track in file_data.tracks:
            segments.extend(track.segments)
    fake_track = gpxpy.gpx.GPXTrack()
    fake_track.segments = segments
    return gpxpy.gpx.GPX(tracks=[fake_track])


def main(fix_logmee=False, fix_sportstracker=False, verbose=False, segments=False, *paths):
    if fix_logmee:
        #
        # HACK: monkey-patch the parser to allow custom date for "GPS LogMee"
        # example: Sun May 26 2013 22:51:25 GMT+0600 (YEKT)
        #
        gpxpy.gpx.DATE_FORMAT = '%a %b %d %Y %H:%M:%S GMT%z (%Z)'

    if fix_sportstracker:
        #
        # HACK: monkey-patch the parser to allow custom date for "SportsTracker"
        # example: 2012-07-26T19:06:23.14
        #
        gpxpy.gpx.DATE_FORMAT = '%Y-%m-%dT%H:%M:%S.%f'

        #
        # unfortunately sometimes ST would log datetime even without milliseconds
        # so this would also be useful but we don't have enough control here on
        # the parser to try a sequence of formats:
        #
        #   gpxpy.gpx.DATE_FORMAT = '%Y-%m-%dT%H:%M:%S'

    if segments:
        combined = join_as_segments(paths)
    else:
        combined = join_as_tracks(paths)
    print(combined.to_xml())


if __name__ == '__main__':
    argh.dispatch_command(main)
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