class KleinBackendBuilder(visitor.BaseVisitor):
def __init__(self):
visitor.BaseVisitor.__init__(self)
self._out = OutputPrinter()
def _create_symbol_name(self, path):
return path.replace("/", "_").replace("-", "_").replace(".", "_").replace('<', '').replace('>', '')
def before(self):
self._out.code([
'#',
'# Generated by xwot compiler.',
'#',
'# Klein xwot application.',
'#',
'',
'import os',
'from yadp.device import Description',
'',
'from xwot.util import local_ip',
'from xwot.util import create_description',
'from xwot.util import dir_path',
'from xwot.util import parent_dir_path',
'',
'# base config',
'ip = local_ip()',
'port = 5000',
'http_addr = "http://%s:%s/" % (ip, port)',
'module_dir_path = dir_path(__file__)',
'app_dir_path = parent_dir_path(__file__)',
'xwot_file = os.path.join(app_dir_path, "device.xwot")',
'',
'jsonld_description_str = create_description(xwot_file=xwot_file, base=http_addr)',
'yadp_description = Description(content_type="application/ld+json", content=jsonld_description_str)',
'',
'',
'from klein import Klein',
'app = Klein()',
], ["xwot_app", "__init__"])
def after(self):
self._out.code([
"import %s" % node.name() for node in self._nodes
], ["xwot_app", "__init__"])
self._out.code([
'#',
'# Generated by xwot compiler.',
'#',
'# Klein xwot application.',
'#',
'',
'import xwot_app',
'from xwot_app import app',
'from xwot.util.klein import make_response',
'from xwot.util import deserialize',
'from xwot.util.klein import cors',
'from twisted.internet import task, reactor',
'',
'import yadp',
'yadp.debug()',
'',
'from yadp import service',
'from yadp.device import Device',
'',
"device = Device(urn='urn:xwot:Device', location=xwot_app.http_addr, descriptions=[xwot_app.yadp_description])",
'',
'service = service()',
'service.register(device=device, passive=True)',
'',
"",
"if __name__ == '__main__':",
self._out.indent([
"app.run(host='0.0.0.0', port=xwot_app.port)"
])
], ['runserver'])
def before_resource(self, node):
self._out.code([
'#',
'# Generated by xwot compiler.',
'#',
'# Klein xwot application.',
'#',
"# Type: %s" % node.type(),
"# Resource: %s" % node.name(),
"# Path: %s" % node.fullpath(),
'#',
'',
'from xwot_app import app',
'from xwot_app import app',
'from xwot.util.klein import make_response',
'from xwot.util import deserialize',
'from xwot.util.klein import cors',
'from twisted.internet import task, reactor',
''
], ["xwot_app", node.name()])
def handle_entity(self, node):
self._out.code([
'#',
'# Generated by compiler compiler.',
'#',
'# Klein xwot application.',
'#',
"# Type: %s" % node.type(),
"# Resource: %s" % node.name(),
"# Path: %s" % node.fullpath(),
'#',
'',
'import xwot_app',
'from xwot_app import app',
'from twisted.web.static import File',
'',
'',
"@app.route('/')",
'def home(request):',
self._out.indent([
"request.setHeader('Content-Type', 'application/ld+json')",
'return xwot_app.jsonld_description_str'
]),
'',
'',
"@app.route('/static/', branch=True)",
"def static_files(request):",
self._out.indent([
'return File("./static")'
]),
'',
'',
], ["xwot_app", node.name()])
def handle_resource(self, node):
for method in ['GET', 'PUT', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_device_resource(self, node):
for method in ['GET', 'PUT', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_sensor_resource(self, node):
for method in ['GET', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_tag_resource(self, node):
for method in ['GET', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_context_resource(self, node):
for method in ['GET', 'PUT', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_service_resource(self, node):
for method in ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_actuator_resource(self, node):
for method in ['PUT', 'OPTIONS']:
self._out.code([
'#',
"# %s '%s'" % (method.upper(), node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), method),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), method),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'return "Name: %s , Hello at: %s"' % (node.name(), node.fullpath())
])
], ["xwot_app", node.name()])
def handle_publisher_resource(self, node):
self._out.code([
'import json',
'import logging',
'from templates.tpl_client import ClientElement',
'from templates.tpl_clients import ClientsElement',
'from twisted.web.template import flattenString',
'from autobahn.twisted.resource import WebSocketResource, HTTPChannelHixie76Aware',
'from xwot.util.WebSocketSupport import xWoTStreamerProtocol',
'from xwot.util.WebSocketSupport import xWoTBroadcastFactory',
'from xwot.util.SubscriberDB import SubscriberDB',
'from xwot.util.SampleHardware import SampleHardware'
], ["xwot_app", node.name()])
self._out.code([
'#',
"# %s '%s'" % ('GET', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'GET'),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), 'GET'),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'dbclient = SubscriberDB.getAllClients()',
'logging.debug(request.requestHeaders)',
'accept_type = request.requestHeaders.getRawHeaders("Accept")[0]',
'clients = ""',
'if not None:',
' if accept_type == "application/json":',
' request.setHeader("Content-Type", "application/json; charset=UTF-8")',
' request.setResponseCode(200)',
' for cl in dbclient:',
' clients += str(\'{"id":"%s", "uri":"%s", "method":"%s", "accept":"%s"}, \' % (cl[0], cl[1], cl[2], cl[3]))',
" return str('{\"clients\": {\"client\":[%s]}}' % (clients[:-2]))",
' elif accept_type == "application/xml":',
' request.setHeader("Content-Type", "application/xml; charset=UTF-8")',
' request.setResponseCode(200)',
' for cl in dbclient:',
" clients += str('<client><id>%s</id><uri>%s</uri><method>%s</method><accept>%s</accept></client> ' % (cl[0], cl[1], cl[2], cl[3]))",
" return str('<clients>%s</clients>' % (clients))",
' else:',
' request.write("<!DOCTYPE html>\\n")',
' flattenString(request, ClientsElement(dbclient)).addCallback(request.write)',
' request.finish()'
])
], ["xwot_app", node.name()])
self._out.code([
'#',
"# %s '%s'" % ('POST', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'POST'),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), 'POST'),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'json_data = json.loads(request.content.getvalue())',
'logging.debug(json_data)',
'logging.debug(request.requestHeaders)',
'accept_type = request.requestHeaders.getRawHeaders("Accept")[0]',
"lastrowid = SubscriberDB.insertClient(json_data['uri'], json_data['method'], json_data['accept'], '1')",
'if not None:',
' if accept_type == "application/json":',
' request.setHeader("Content-Type", "application/json; charset=UTF-8")',
' request.setResponseCode(200)',
" return str('{\"id\":\"%s\", \"uri\":\"%s\", \"method\":\"%s\", \"accept\":\"%s\"}' % (lastrowid, json_data['uri'], json_data['method'], json_data['accept']))",
' elif accept_type == "application/xml":',
' request.setHeader("Content-Type", "application/xml; charset=UTF-8")',
' request.setResponseCode(200)',
" return str('<client><id>%s</id><uri>%s</uri><method>%s</method><accept>%s</accept></client>' % (lastrowid, json_data['uri'], json_data['method'], json_data['accept']))",
' else:',
' request.write("<!DOCTYPE html>\\n")',
" flattenString(request, ClientElement(lastrowid, json_data['uri'], json_data['method'], json_data['accept'], '')).addCallback(request.write)",
' request.finish()'
])
], ["xwot_app", node.name()])
self._out.code([
'#',
"# %s '%s'" % ('WS', node.fullpath()),
'#',
"@app.route('%s/', branch=True)" % (node.fullpath()),
"def handle%s_ws(request):" % (self._create_symbol_name(node.fullpath())),
self._out.indent([
'ServerFactory = xWoTBroadcastFactory',
"shutter = SampleHardware()",
'factory = ServerFactory("ws://*****:*****@app.route('%s', methods=['%s'])" % (node.fullpath(), 'OPTIONS'),
"def handle%s_%s(request):" % (self._create_symbol_name(node.fullpath()), 'OPTIONS'),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
])
], ["xwot_app", node.name()])
def handle_publisher_client_resource(self, node):
#nodename = 'ClientResource'.join(node._name.rsplit('Resource', 1))
self._out.code([
'from twisted.web.server import NOT_DONE_YET',
'import logging',
'from templates.tpl_client import ClientElement',
'from twisted.web.template import Element, renderer, XMLFile, flattenString',
'from xwot.util.SubscriberDB import SubscriberDB',
], ["xwot_app", node.name()])
self._out.code([
'#'
"# %s '%s'" % ('OPTIONS', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'OPTIONS'),
"def handle%s_%s(request, clientid):" % (self._create_symbol_name(node.fullpath()), 'OPTIONS'),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
])
], ["xwot_app", node.name()])
self._out.code([
'#'
"# %s '%s'" % ('GET', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'GET'),
"def handle%s_%s(request, clientid):" % (self._create_symbol_name(node.fullpath()), 'GET'),
self._out.indent([
"logging.debug(request.requestHeaders)",
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
"accept_type = request.requestHeaders.getRawHeaders('Accept')[0].split(',')[0]",
"client = SubscriberDB.getClient(clientid)",
"if not None:",
" if 'application/json' in accept_type:",
" request.setHeader('Content-Type', 'application/json; charset=UTF-8')",
" request.setResponseCode(200)",
" return str('{\"id\":\"%s\", \"uri\":\"%s\", \"method\":\"%s\", \"accept\":\"%s\"}' % (client[0], client[1], client[2], client[3]))",
" elif accept_type == 'application/xml':",
" request.setHeader('Content-Type', 'application/xml; charset=UTF-8')",
" request.setResponseCode(200)",
" return str('<client><id>%s</id><uri>%s</uri><method>%s</method><accept>%s</accept></client>' % (client[0], client[1], client[2], client[3]))",
" else:",
" request.write('<!DOCTYPE html>\\n')",
" flattenString(request, ClientElement(client[0], client[1], client[2], client[3], '')).addCallback(request.write)",
" request.finish()",
])
], ["xwot_app", node.name()])
self._out.code([
'#'
"# %s '%s'" % ('PUT', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'PUT'),
"def handle%s_%s(request, clientid):" % (self._create_symbol_name(node.fullpath()), 'PUT'),
self._out.indent([
'logging.debug(request.requestHeaders)',
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'accept_type = request.requestHeaders.getRawHeaders("Accept")[0].split(',')[0]',
'#TODO Update the client in the databse',
'client = SubscriberDB.getClient(clientid)',
'if not None:',
' if "application/json" in accept_type:',
' request.setHeader("Content-Type", "application/json; charset=UTF-8")',
' request.setResponseCode(200)',
' return str(\'{"id":"%s", "uri":"%s", "method":"%s", "accept":"%s"}\' % (client[0], client[1], client[2], client[3]))',
' elif "application/xml" in accept_type:',
' request.setHeader("Content-Type", "application/xml; charset=UTF-8")',
' request.setResponseCode(200)',
' return str(\'<client><id>%s</id><uri>%s</uri><method>%s</method><accept>%s</accept></client>\' % (client[0], client[1], client[2], client[3]))',
' else:',
' request.write("<!DOCTYPE html>\\n")',
' flattenString(request, ClientElement(client[0], client[1], client[2], client[3], '')).addCallback(request.write)',
' request.finish()',
])
], ["xwot_app", node.name()])
self._out.code([
'#'
"# %s '%s'" % ('DELETE', node.fullpath()),
'#',
"@app.route('%s', methods=['%s'])" % (node.fullpath(), 'DELETE'),
"def handle%s_%s(request, clientid):" % (self._create_symbol_name(node.fullpath()), 'DELETE'),
self._out.indent([
"cors(request, methods=['GET', 'PUT', 'OPTIONS'])",
'logging.debug(request.requestHeaders)',
'accept_type = request.requestHeaders.getRawHeaders("Accept")[0].split(',')[0]',
'client = SubscriberDB.getClient(clientid)',
'SubscriberDB.deleteQuery(clientid)',
'if not None:',
' if "application/json" in accept_type:',
' request.setHeader("Content-Type", "application/json; charset=UTF-8")',
' request.setResponseCode(200)',
' return str(\'{"id":"%s", "uri":"%s", "method":"%s", "accept":"%s"}\' % (client[0], client[1], client[2], client[3]))',
' elif "application/xml" in accept_type:',
' request.setHeader("Content-Type", "application/xml; charset=UTF-8")',
' request.setResponseCode(200)',
' return str(\'<client><id>%s</id><uri>%s</uri><method>%s</method><accept>%s</accept></client>\' % (client[0], client[1], client[2], client[3]))',
' else:',
' request.write("<!DOCTYPE html>\\n")',
' flattenString(request, ClientElement(client[0], client[1], client[2], client[3], '')).addCallback(request.write)',
' request.finish()',
])
], ["xwot_app", node.name()])
def _runserver_tac(self):
return """# coding: utf-8
#
# Generated by xwot compiler.
#
# Klein xwot application.
#
from twisted.internet import reactor
from twisted.web.server import Site
from twisted.application.service import Application
import xwot_app
from xwot_app import app
import yadp
from yadp import service
from yadp.device import Device
device = Device(urn='urn:xwot:Device', location=xwot_app.http_addr, descriptions=[xwot_app.yadp_description])
service = service()
service.register(device=device, passive=True)
application = Application('twisted-klein')
reactor.listenTCP(xwot_app.port, Site(app.resource()), interface='0.0.0.0')
"""
def output(self):
# get all created files
files = self._out.flush()
new_files_dic = {}
for file_name, pycode in files.items():
# append to each file its correct file extension
new_files_dic[file_name + ".py"] = pycode
# create on the fly a requirements.txt file
requirements = "\n".join(['klein'])
new_files_dic['requirements.txt'] = requirements
new_files_dic['runserver.tac'] = self._runserver_tac()
return new_files_dic
def __init__(self):
visitor.BaseVisitor.__init__(self)
self._out = OutputPrinter()
class ExpressBackendBuilder(visitor.BaseVisitor):
def __init__(self):
visitor.BaseVisitor.__init__(self)
self._out = OutputPrinter()
def before(self):
self._out.code([
'/*',
' * Generated by xwot compiler.',
' *',
' * Express.js xwot application.',
' */',
'',
'module.exports = function() {',
self._out.indent([
"var express = require('express');",
'var app = express();',
])
], ["xwot", "app"])
def after(self):
self._out.code([
self._out.indent(
self._out.flatten([
[
"var %s = require('./%s.js');" % (node.name(), node.name()) for node in self._nodes
],
[
"",
"//register resources"
],
[
"%s(app);" % node.name() for node in self._nodes
],
[
'',
'return app;'
]
])
),
"};"
], ["xwot", "app"])
self._out.code([
'/*',
' * Generated by xwot compiler.',
' *',
' * Express.js xwot application.',
' */',
'',
"var xwot_app = require('./xwot/app.js')();",
'',
"var server = xwot_app.listen(3000, function() {",
self._out.indent([
'var host = server.address().address;',
'var port = server.address().port;',
"console.log('Example app listening at http://%s:%s', host, port);"
]),
'});'
], ["runserver"])
def before_resource(self, node):
self._out.code([
'/*',
' * Generated by xwot compiler.',
' *',
" * Type: %s" % node.type(),
" * Resource: %s" % node.name(),
" * Path: %s" % node.fullpath(),
'*/',
'',
'var setup = function(app) {',
], ["xwot", node.name()])
def after_resource(self, node):
self._out.code([
'}',
'',
'module.exports = setup;'
], ["xwot", node.name()])
def handle_entity(self, node):
self.before_resource(node)
self._out.code([
self._out.indent([
'/*',
" * GET '/'",
' */',
"app.get('/', function(req, res) { ",
self._out.indent([
"res.send('Hello World at: %s');" % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
self.after_resource(node)
def handle_resource(self, node):
for method in ['get', 'put']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_device_resource(self, node):
for method in ['get', 'put']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_sensor_resource(self, node):
for method in ['get']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_tag_resource(self, node):
for method in ['get']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_context_resource(self, node):
for method in ['get', 'put']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_service_resource(self, node):
for method in ['get', 'post', 'put', 'delete']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_actuator_resource(self, node):
for method in ['put']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def handle_publisher_resource(self, node):
for method in ['get', 'post']:
self._out.code([
self._out.indent([
'/*',
" * %s '%s'" % (method.upper(), node.fullpath()),
' */',
"app.%s('%s', function(req, res) { " % (method, node.fullpath()),
self._out.indent([
'res.end("Hello World at: %s");' % node.fullpath()
]),
'});'
]),
], ["xwot", node.name()])
def output(self):
# get all created files
files = self._out.flush()
new_files_dic = {}
for file_name, code in files.items():
# append to each file its correct file extension
new_files_dic[file_name + ".js"] = code
return new_files_dic