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fittotcx.py
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fittotcx.py
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#!/usr/bin/python
#
# Fit to TCX
#
# Copyright (c) 2012, Gustav Tiger <gustav@tiger.name>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
"""Convert a FIT file to a TCX file"""
import sys
import lxml.etree
import unitconvert
from fitparse import Activity, FitParseError
TCD_NAMESPACE = "http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2"
TCD = "{%s}" % TCD_NAMESPACE
XML_SCHEMA_NAMESPACE = "http://www.w3.org/2001/XMLSchema-instance"
XML_SCHEMA = "{%s}" % XML_SCHEMA_NAMESPACE
SCHEMA_LOCATION = \
"http://www.garmin.com/xmlschemas/ActivityExtension/v2 " + \
"http://www.garmin.com/xmlschemas/ActivityExtensionv2.xsd " + \
"http://www.garmin.com/xmlschemas/FatCalories/v1 " + \
"http://www.garmin.com/xmlschemas/fatcalorieextensionv1.xsd " + \
"http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2 " + \
"http://www.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd"
NSMAP = {\
None : TCD_NAMESPACE, \
"xsi": XML_SCHEMA_NAMESPACE}
# FIT to TCX values mapping
LAP_TRIGGER_MAP = {\
"manual": "Manual", \
"time": "Time", \
"distance": "Distance", \
"position_start": "Location", \
"position_lap": "Location", \
"position_waypoint": "Location", \
"position_marked": "Location", \
"session_end": "Manual", \
"fitness_equipment": "Manual"}
INTENSITY_MAP = {\
"active": "Active", \
"warmup": "Active", \
"cooldown": "Active", \
"rest": "Resting", \
None: "Resting"}
def create_element(tag, text=None, namespace=None):
namespace = NSMAP[namespace]
tag = "{%s}%s" % (namespace, tag)
element = lxml.etree.Element(tag, nsmap=NSMAP)
if text != None:
element.text = text
return element
def create_sub_element(parent, tag, text=None, namespace=None):
element = create_element(tag, text, namespace)
parent.append(element)
return element
def create_document():
document = create_element("TrainingCenterDatabase")
document.set(XML_SCHEMA + "schemaLocation", SCHEMA_LOCATION)
document = lxml.etree.ElementTree(document)
return document
def add_author(document):
"""Add author"""
author = create_sub_element(document.getroot(), "Author")
author.set(XML_SCHEMA + "type", "Application_t")
create_sub_element(author, "Name", "Fit to TCX")
create_sub_element(author, "LangID", "EN")
def add_trackpoint(element, trackpoint):
timestamp = unitconvert.local_date_to_utc(trackpoint.get_data("timestamp"))
pos_lat = trackpoint.get_data("position_lat")
pos_long = trackpoint.get_data("position_long")
distance = trackpoint.get_data("distance")
altitude = trackpoint.get_data("altitude")
speed = trackpoint.get_data("speed")
heart_rate = trackpoint.get_data("heart_rate")
cadence = trackpoint.get_data("cadence")
watts = trackpoint.get_data("power")
exelem = None
tpx = None
create_sub_element(element, "Time", timestamp.isoformat() + "Z")
if pos_lat != None and pos_long != None:
pos = create_sub_element(element, "Position")
create_sub_element(pos, "LatitudeDegrees",
str(unitconvert.semicircle_to_degrees(pos_lat)))
create_sub_element(pos, "LongitudeDegrees",
str(unitconvert.semicircle_to_degrees(pos_long)))
if altitude != None:
create_sub_element(element, "AltitudeMeters", str(altitude))
if distance != None:
create_sub_element(element, "DistanceMeters", str(distance))
if heart_rate != None:
heartrateelem = create_sub_element(element, "HeartRateBpm")
heartrateelem.set(XML_SCHEMA + "type", "HeartRateInBeatsPerMinute_t")
create_sub_element(heartrateelem, "Value", str(heart_rate))
if cadence != None:
create_sub_element(element, "Cadence", str(cadence))
if speed != None:
exelem = create_sub_element(element, "Extensions")
tpx = create_sub_element(exelem, "TPX")
tpx.set("xmlns",
"http://www.garmin.com/xmlschemas/ActivityExtension/v2")
tpx.set("CadenceSensor", "Footpod")
create_sub_element(tpx, "Speed", str(speed))
if watts != None:
if tpx != None:
create_sub_element(tpx, "Watts", str(watts))
else:
exelem = create_sub_element(element, "Extensions")
tpx = create_sub_element(exelem, "TPX")
create_sub_element(tpx, "Watts", str(watts))
def add_lap(element, activity, lap):
start_time = unitconvert.local_date_to_utc(lap.get_data("start_time"))
end_time = unitconvert.local_date_to_utc(lap.get_data("timestamp"))
totaltime = lap.get_data("total_elapsed_time")
distance = lap.get_data("total_distance")
max_speed = lap.get_data("max_speed") # opt
calories = lap.get_data("total_calories")
#avg_heart = lap.get_data("avg_heart_rate") #opt
#max_heart = lap.get_data("max_heart_rate") #opt
intensity = INTENSITY_MAP[lap.get_data("intensity")]
cadence = lap.get_data("avg_cadence") # XXX: or max?
triggermet = LAP_TRIGGER_MAP[lap.get_data("lap_trigger")]
#extensions
lapelem = create_sub_element(element, "Lap")
lapelem.set("StartTime", start_time.isoformat() + "Z")
create_sub_element(lapelem, "TotalTimeSeconds", str(totaltime))
create_sub_element(lapelem, "DistanceMeters", str(distance))
create_sub_element(lapelem, "MaximumSpeed", str(max_speed))
create_sub_element(lapelem, "Calories", str(calories))
#create_sub_element(lapelem, "AverageHeartRateBpm", avg_heart)
#create_sub_element(lapelem, "MaximumHeartRateBpm", max_heart)
create_sub_element(lapelem, "Intensity", intensity)
if cadence != None:
create_sub_element(lapelem, "Cadence", str(cadence))
create_sub_element(lapelem, "TriggerMethod", triggermet)
# Add track points to lap
trackelem = create_sub_element(lapelem, "Track")
for trackpoint in activity.get_records_by_type('record'):
tts = unitconvert.local_date_to_utc(trackpoint.get_data("timestamp"))
if tts >= start_time and tts <= end_time:
trackpointelem = create_sub_element(trackelem, "Trackpoint")
add_trackpoint(trackpointelem, trackpoint)
def add_activity(element, activity):
session = next(activity.get_records_by_type('session'))
# Sport type
sport = session.get_data("sport")
sport_mapping = {"running": "Running", "cycling": "Biking"}
sport = sport_mapping[sport] if sport in sport_mapping else "Other"
# Identity (in UTC)
identity = unitconvert.local_date_to_utc(session.get_data("start_time"))
actelem = create_sub_element(element, "Activity")
actelem.set("Sport", sport)
create_sub_element(actelem, "Id", identity.isoformat() + "Z")
for lap in activity.get_records_by_type('lap'):
add_lap(actelem, activity, lap)
def convert(filename):
document = create_document()
element = create_sub_element(document.getroot(), "Activities")
activity = Activity(filename)
activity.parse()
add_activity(element, activity)
return document
def printhelp():
print "usage: python" + sys.argv[0] + " FILE"
print ""
print "This program takes a FIT file and converts it into an TCX file" + \
"and output the result to the standard output."
def main():
if len(sys.argv) == 1:
printhelp()
return 0
try:
document = convert(sys.argv[1])
print lxml.etree.tostring(document.getroot(), pretty_print=True, \
xml_declaration=True, encoding="UTF-8")
return 0
except FitParseError, exception:
sys.stderr.write(str(exception) + "\n")
return 1
if __name__ == "__main__":
sys.exit(main())