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# Copyright (c) The PyAMF Project.
# See LICENSE.txt for details.
"""
Gateway for RecordSet remoting service.
@since: 0.1.0
"""
from sqlalchemy.sql import select
from pyamf import register_class, amf0
import db
def as_recordset(result):
keys = None
if hasattr(result, 'keys'):
keys = result.keys
elif hasattr(result, '_ResultProxy__keys'):
keys = result._ResultProxy__keys
if keys is None:
raise AttributeError('Unknown keys for result')
return amf0.RecordSet(keys, [list(x) for x in result])
class SoftwareService(object):
def __init__(self, engine):
self.engine = engine
def getLanguages(self):
"""
Returns all the languages.
"""
return as_recordset(self.engine.execute(
select([db.language]).order_by(db.language.c.Name.desc())
))
def getSoftware(self, lang):
"""
Returns all the software projects for the selected language.
"""
return as_recordset(self.engine.execute(
select([db.software], db.software.c.CategoryID == lang)
))
def parse_args(args):
"""
Parse commandline options.
"""
from optparse import OptionParser
parser = OptionParser()
parser.add_option('--host', dest='host', default='localhost',
help='The host address for the AMF gateway')
parser.add_option('-p', '--port', dest='port', default=8000,
help='The port number the server uses')
return parser.parse_args(args)
if __name__ == '__main__':
import sys
from pyamf.remoting.gateway.wsgi import WSGIGateway
from wsgiref import simple_server
options = parse_args(sys.argv[1:])[0]
service = {'service': SoftwareService(db.get_engine())}
host = options.host
port = int(options.port)
gw = WSGIGateway(service)
httpd = simple_server.WSGIServer(
(host, port),
simple_server.WSGIRequestHandler,
)
httpd.set_app(gw)
print 'Started RecordSet example server on http://%s:%s' % (host, str(port) )
try:
httpd.serve_forever()
except KeyboardInterrupt:
pass
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