def load_class(ww):
r'''Imports and initializes the Python class for a defining word.
'''
mod = helpers.import_module("%s.%s" % (ww.package_name, ww.name))
new_subclass = getattr(mod, ww.name)
new_subclass.init_class(ww)
return new_subclass
def create_parsers(top):
r'''Creates a parser in each package.
Returns {package_name: parser module}
Also does load_word on all of the defining words.
'''
global Rules, Token_dict
Rules = []
Token_dict = {}
package_parsers = {}
syntax_file = os.path.join(os.path.dirname(__file__), 'SYNTAX')
with crud.db_transaction():
for p in top.packages:
for ww in p.get_words():
load_word(ww)
#print "Rules", Rules
#print "Token_dict", Token_dict
# compile new parser for this package:
with open(os.path.join(p.package_dir, 'parser.py'), 'w') \
as output_file:
genparser.genparser(syntax_file, '\n'.join(Rules), Token_dict,
output_file)
# import needed modules from the package:
package_parsers[p.package_name] = \
helpers.import_module(p.package_name + '.parser')
return package_parsers
def __init__(self):
self.package_name = BUILT_IN
self.package_dir = \
os.path.split(helpers.import_module(self.package_name).__file__)[0]
self.load_words()
