~vorlon/ubuntu/saucy/gourmet/trunk

from gourmet.gdebug import debug

import os

 

# We grab the printer of choice and import methods from it. Each printer

# should provide a RecRenderer class which will do the actual printing.

 

def load_gnomeprint ():

    try:

        import gnomeprint

        global RecRenderer,SimpleWriter

        if hasattr(gnomeprint,'pango_create_context') and hasattr(gnomeprint,'pango_get_default_font_map'):            

            from gnomeprinter import RecRenderer, SimpleWriter

        else:

            # pre-pango gnomeprint

            debug("Using out-of-date gnomeprint (no pango layout support in printing)",0)

            from gnomeprinter_obsolete import RecRenderer, SimpleWriter

    except ImportError:

        debug('Gnome Printer is not available',0)

        return True

 

def load_winprinter ():

    global RecRenderer,SimpleWriter

    if os.name == 'nt':        

        from winprinter import RecRenderer, SimpleWriter

    else:

        return True

    

 

def load_lprprint ():

    if os.name == 'nt': return True

    global RecRenderer,SimpleWriter

    from lprprinter import RecRenderer, SimpleWriter

 

 

printers = {'gnomeprint':load_gnomeprint,

            'win':load_winprinter,

            'lpr':load_lprprint}

 

from gourmet.OptionParser import options

 

printer_names = ['lpr','win','gnomeprint']

printer = options.printer

 

try:

    printer_names.remove(printer)

except ValueError:

    print 'Printer type: ',printer,' not recognized!'

    printer = printer_names.pop()

 

# A return value of True means we failed to import

# so we'd better keep trying

while printers[printer]() and printers:

    print "Loading ",printer," failed:",

    printer = printer_names.pop()

    print "trying ",printer