The main program uses the previous defined SpeciesSearcher object to do almost everything.
The only differences among these three scripts is the
name of the authority file.
spec2004
# - - - m a i n - - -
def main():
'''spec2004 main program
'''
#-- 1 --
# [ if sys.argv contains exactly one argument ->
# target := that argument
# else ->
# sys.stderr +:= error message(s)
# stop execution ]
argList = sys.argv[1:]
if len(argList) != 1:
print >>sys.stderr, ("*** Takes one argument, the code "
"or regular expression to be searched for.")
sys.exit(1)
else:
target = argList[0]
#-- 2 --
# [ if the Maps2004SpeciesSet authority file is readable and
# valid ->
# speciesSet := a new Maps2004SpeciesSet object
# representing that file
# else ->
# sys.stderr +:= error message(s)
# stop execution ]
try:
speciesSet = Maps2004SpeciesSet()
except IOError, detail:
print >>sys.stderr,("*** Can't read the species authority "
"file: %s" % detail)
sys.exit(1)
#-- 3 --
# [ searcher := a new SpeciesSearcher object that searches
# speciesSet for target ]
searcher = SpeciesSearcher(speciesSet, target)
#-- 4 --
# [ sys.stdout +:= output of searcher ]
searcher.run()
