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tsv2xml.py
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# coding=utf-8
# Mars Simulation Project
# Script for importing tab-separated landmark file
# tsv2xml.py
# @version 3.10
# @author Lars Næsbye Christensen
#
# This script requires Python 2.7 or later and the 'SearchResults' file to be in the
# same directory as the script file.
#
# To generate TSV file go to https://planetarynames.wr.usgs.gov/AdvancedSearch
# Select System: MARS and target: Mars;
# Under "Columns to include": add column 'Feature Type Code';
# Click 'Search'
# Scroll down to the bottom and click 'TSV (tab separated values) for importing into other spread sheets'
# Save the file as SearchResults in the same directory as this script.
# Usage : 'python tsv2xml.py' and the resulting file landmarks.xml is fit for use with MSP
# when put in the correct directory
# TODO:
# Insert doctype - <!DOCTYPE landmark-list SYSTEM "conf/dtd/landmarks.dtd">
# Add parameters
# Refactor
from xml.dom.minidom import Document
from decimal import Decimal
# Initialize types
xmldoc = Document()
# in case we don't have a key line (bad!), assume some default field indices
index_feature_name = 0
index_target = 1
index_diameter = 2
index_lat = 3
index_long = 4
# 5 is not used yet
index_feature_type = 6
# 7 is not used yet
index_approval = 8
index_origin = 9
# Add introductory comments
introcomment1 = xmldoc.createComment("Landmark coordinates from USGS Astrogeology Research Program")
introcomment2 = xmldoc.createComment("https://planetarynames.wr.usgs.gov/AdvancedSearch")
introcomment3 = xmldoc.createComment("Landmarks to be displayed in the user interface. ")
xmldoc.appendChild(introcomment1)
xmldoc.appendChild(introcomment2)
xmldoc.appendChild(introcomment3)
# Create the base XML element
landmarks = xmldoc.createElement("landmark-list")
#landmarks.setAttribute("xmlns", "http://mars-sim.sourceforge.net/landmarks")
#landmarks.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance")
#landmarks.setAttribute("xsi:schemaLocation", "http://mars-sim.sourceforge.net/landmarks schema/landmarks.xsd")
xmldoc.appendChild(landmarks)
# Open and parse the search results file (TSV), get the data key and data
f = open('SearchResults')
tsvlinelist = f.readlines() # fill a list with TSV lines
# Main parsing loop
for tsvline in tsvlinelist:
if tsvline == "\n":
print "Skipped empty line..." # ignore empty lines
elif "Feature_Name" in tsvline:
print "Found key line, parsing..." # first line of TSV, names of keys
paramlist = tsvline.split("\t") # explode into a list of keys
index_feature_name = paramlist.index('Feature_Name')
index_diameter = paramlist.index('Diameter')
index_lat = paramlist.index('Center_Latitude')
index_long = paramlist.index('Center_Longitude')
index_approval = paramlist.index('Approval_Date')
index_feature_type = paramlist.index('Feature_Type_Code')
index_origin = paramlist.index('Origin')
elif "Dropped" in tsvline:
print "Skipped unapproved name..." # ignore dropped (unapproved) names
elif "Mars" not in tsvline:
print "Skipped non-Mars target..." # ignore features not on Mars
else:
print "Found data line, parsing..." #ready to move data into XML DOM
valuelist = tsvline.split("\t") # explode into a list of values
landmark = xmldoc.createElement("landmark")
namestring = valuelist[index_feature_name]
namestring = namestring.replace('[', '')
namestring = namestring.replace(']', '')
landmark.setAttribute("name", namestring) # Feature_Name
landmark.setAttribute("diameter", valuelist[index_diameter]) # Diameter of feature
# Center_Longitude
if Decimal(valuelist[index_long]) > 180:
landmark.setAttribute("longitude", str((360 - Decimal(valuelist[index_long])))+" W")
else:
landmark.setAttribute("longitude", str((Decimal(valuelist[index_long])))+" E")
# Center_Latitude
if Decimal(valuelist[index_lat]) < 0:
landmark.setAttribute("latitude", str(abs(Decimal(valuelist[index_lat])))+" S")
else:
landmark.setAttribute("latitude", str(Decimal(valuelist[index_lat]))+" N")
landmark.setAttribute("approvaldate", valuelist[index_approval]) # Approval Date string
landmark.setAttribute("origin", valuelist[index_origin]) # Origin of name
landmark.setAttribute("type", valuelist[index_feature_type]) # Type of feature
landmarks.appendChild(landmark)
# Add fixed external data for artificial objects
# Source: https://en.wikipedia.org/wiki/List_of_artificial_objects_on_Mars#Table_of_objects
artobjcomment = xmldoc.createComment("Artificial Objects")
landmarks.appendChild(artobjcomment)
artobjarray =[["Mars 2", "313.0 W", "45.0 S", "0.1"],
["Mars 3", "158.0 W", "45.0 S", "0.1"],
["Mars 6", "19.42 W", "23.9 S", "0.1"],
["Viking 1 Lander", "48.222 W", "22.697 N", "0.1"],
["Viking 2 Lander", "225.99 W", "48.269 N", "0.1"],
["Mars Pathfinder + Sojourner Rover", "33.55 W", "19.33 N", "0.1"],
["Mars Polar Lander + Deep Space 2", "195.0 W", "76.0 S", "0.1"],
["Beagle 2", "90.4295 E", "11.5265 N", "0.1"],
["Spirit Rover (MER-A)", "175.4785 E", "14.5718 S", "0.1"],
["Opportunity Rover (MER-B)", "354.4734 E", "1.9462 S", "0.1"],
["Phoenix Mars Lander", "125.9 W", "68.15 N", "0.1"],
["Mars Science Laboratory (Curiosity)", "137.2 E", "4.6 S", "0.1"],
["Schiaparelli EDM Lander", "357.5 E", "0.2 N", "0.1"],
["inSight Lander", "135.0 E", "4.5 N", "0.1"]]
for artobj in artobjarray:
landmark = xmldoc.createElement("landmark")
landmark.setAttribute("name", artobj[0])
landmark.setAttribute("longitude", artobj[1])
landmark.setAttribute("latitude", artobj[2])
landmark.setAttribute("diameter", artobj[3])
landmark.setAttribute("approvaldate", "N/A")
landmark.setAttribute("type", "AO") # artificial object
landmark.setAttribute("origin", "N/A")
landmarks.appendChild(landmark)
f.close() # close our TSV file stream nicely
# Write out the final XML data to file landmarks.xml
f = open('landmarks.xml', 'w')
xmldoc.writexml(f, encoding= 'utf-8', indent=" ",addindent=" ",newl="\n")
f.close()