def Do(self):
import Abby # for exception
# Build the import file and wrap it in a stream object
## print 'streamtype:',self.streamtype
# may throw exception if file not found
stream = Streams.Factory(self.filename, 'r', self.streamtype)
layout = Layouts.Factory(self.abby, stream.layouttype)
## print 'stream:',stream
## print 'layout:',layout
#stream.ReadToLayout()
# the stream will return tokens one by one from the file,
# and layout will parse the tokens into commands.
# get a composite command object
## cmd = layout.ParseFrom(stream)
## layoutresult = cmd.Do()
# more efficient to do this way, so don't get a huge honkin composite cmd!
ob = Objects.Objs()
errors = []
try:
for cmd in layout.Parse(stream):
try:
# cmd will usually be an Add command
layout = cmd.Do()
#, build up a list of all the objects added so can report to user
ob.append(layout.ob)
except Abby.AbbyError, e:
#. add error to a file also?
errors.append(str(e))
except Exception, e: #, Parser.ParserError, e:
#errors.append(e)
#errors.append(str(e))
raise # pass it on
