This function handles loading of the nations table. It
is pretty straightforward: it opens the input file,
converts each line of that file into a
Nation object, and adds it to the database.
# - - - l o a d N a t i o n s def loadNations ( db ): '''Load the nations table. [ (db is a CBCData instance) and (NATIONS_FILE names a readable, valid data file for the nations table) -> db := db with the nations table populated from the file named by NATIONS_FILE ] ''' #-- 1 -- # [ inFile := a readable file for NATIONS_FILE ] inFile = file ( NATIONS_FILE ) #-- 2 -- # [ db.s +:= new nations rows made from the lines of inFile ] for rawLine in inFile: #-- 2 body -- # [ rawLine is a valid nations file line -> # db.s +:= a new nations row made from rawLine ] addNation ( db, rawLine ) #-- 3 -- # [ db := db with the transaction in db.s committed ] db.s.commit()