Python DBSession.flush方法代码示例

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class AddClass(RestView):
    """
    An genertic view that allows for adding models to our system.
    """
    def __init__(self, request):
        self.request = request
        self.session = DBSession()
        self.cls = self.look_up_class()
        self.breadcrumbs = breadcrumbs[:]
        self.breadcrumbs\
            .append({'text': 'Add a new %s' % self.cls.__name__})

    def get(self):
        fs = FieldSet(self.cls, session=self.session)
        return {
            'breadcrumbs': self.breadcrumbs,
            'fs': fs, 'cls': self.cls}

    def post(self):
        fs = FieldSet(self.cls, session=self.session).\
             bind(self.cls(), data=self.request.POST)
        if fs.validate():
            fs.sync()
            self.session.flush()
            return HTTPFound(location=fs.model.getUrl())
        else:
            return {'fs': fs, 'cls': self.cls}

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class MessageHandler(object):
    """ Handler that allows the system to manage messages
    """
    def __init__(self, request):
        self.session = DBSession()
        self.request = request
        self.message = self.session.\
                       query(Message).filter_by(
            uuid=self.request.matchdict["id"]).first()

    @action(renderer='sms/index_msg.mako', permission='admin')
    def index(self):
        global breadcrumbs
        breadcrumbs.extend({})
        return {
            'breadcrumbs': breadcrumbs,
            'message': self.message}

    @action(request_method="POST")
    def remove(self):
        self.message.sent = True
        self.session.merge(self.message)
        return Response("ok")

    @action(permission='admin')
    def delete(self):
        self.session.delete(self.message)
        self.session.flush()
        return HTTPFound(location='/')

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
 def update_tokens(self):
     """
     We need to record these updates to token states and provide a
     way to view this in the Gateway Interface.
     """
     session = DBSession()
     data = simplejson.loads(self.request.body)
     if not 'device_id' in data:
         return json_response('You must provide an device_id')
     device = session.query(Device)\
         .filter_by(device_id=data['device_id']).first()
     if device:
         for i in data['tokens']:
             token = session.query(Token)\
                 .filter_by(token=i['token_id']).first()
             if token:
                 circuit = session.query(Circuit)\
                     .filter_by(pin=i['account_id']).first()
                 if circuit:
                     job = AddCredit(token.value, circuit, token)
                     session.add(job)
                 token.state = 'used'
                 session.merge(token)
         session.flush()
         return json_response('ok')
     else:
         return json_response('You must provide a valid device_id')

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
 def make_tokens(self):
     session = DBSession()
     batch = TokenBatch()
     session.add(batch)
     session.flush()
     data = simplejson.loads(self.request.body)
     if not 'device_id' in data:
         return Response('You must provide an device_id')
     else:
         device = session.query(Device)\
             .filter_by(device_id=data['device_id']).first()
         if device:
             if not 'tokens' in data:
                 return Response('You must provide an amount of tokens')
             for group in data['tokens']:
                 for i in range(0, group['count']):
                     token = Token(Token.get_random(),
                                   batch=batch,
                                   value=group['denomination'])
                     session.add(token)
                     session.flush()
             return json_response(
                 [{'token_id': int(token.token),
                   'denomination':
                   float(token.value)} for token in batch.getTokens()])
         else:
             return json_response('Not a valid device')

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class EditModel(RestView):
    """
    A view that allows models to be edited.  Takes the class name as a
    string parameter and returns the correct html form.
    """
    def __init__(self, request):
        self.request = request
        self.session = DBSession()
        self.cls = self.look_up_class()
        self.instance = self.look_up_instance()
        self.breadcrumbs = breadcrumbs[:]
        self.breadcrumbs.append({'text': 'Edit %s' % self.instance})

    def get(self):
        fs = FieldSet(self.instance)
        return {'fs': fs,
                'breadcrumbs': self.breadcrumbs[:],
                'instance': self.instance,
                'cls': self.cls}

    def post(self):
        fs = FieldSet(self.instance,
                      data=self.request.POST)
        if fs.validate():
            fs.sync()
            self.session.flush()
            return HTTPFound(location=fs.model.getUrl())

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
def save_and_parse_message(interface, origin, text, id=None):
    """
    """
    session = DBSession()
    if id is None:
        id = str(uuid.uuid4())
    message = IncomingMessage(origin, text, id, interface)
    session.add(message)
    session.flush()
    dispatcher.matchMessage(message)
    return message

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class InterfaceHandler(object):
    """
    A handler for managing the interfaces.
    """

    def __init__(self, request):
        self.breadcrumbs = breadcrumbs
        self.request = request
        self.session = DBSession()
        self.interface = self.session.query(
            CommunicationInterface).get(self.request.matchdict.get('id'))

    @action(renderer='interface/index.mako', permission='admin')
    def index(self):
        breadcrumbs = self.breadcrumbs[:]
        breadcrumbs.append({'text': 'Interface overview'})
        return {'interface': self.interface,
                'breadcrumbs': breadcrumbs,
                'fields': get_fields(self.interface),
                'logged_in': authenticated_userid(self.request)}

    def save_and_parse_message(self, origin, text, id=None):
        """
        Function to save incoming message based on relay type. Takes the
        message class, the numner, the body of the message and a
        session. Optional argument is the messages id. Parses the message
        and return the message object.
        """
        if id is None:
            id = str(uuid.uuid4())
        message = IncomingMessage(origin, text, id, self.interface)
        self.session.add(message)
        self.session.flush()
        dispatcher.matchMessage(message)
        return message

    @action()
    def send(self):
        msg = self.save_and_parse_message(self.request.params['number'],
                                          self.request.params['message'])
        return Response(msg.uuid)

    @action()
    def remove(self):
        self.session.delete(self.interface)
        self.session.flush()
        return HTTPFound(location="%s/" % self.request.application_url)

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
def add_credit(message):
    """Allows consumer to add credit to their account.
    Sends an outgoing message to the consumer.
    """
    session = DBSession()
    circuit = get_circuit(message)
    token = get_token(message)
    if circuit:
        interface = circuit.meter.communication_interface
        if token:
            job = AddCredit(circuit=circuit, credit=token.value, token=token)
            session.add(job)
            session.flush()
            interface.sendJob(job,
                              incoming=message.uuid)
            session.merge(circuit)
            session.flush()

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
 def add(self):
     errors = None
     session = DBSession()
     groups = session.query(Groups).all()
     breadcrumbs = self.breadcrumbs[:]
     breadcrumbs.append({'text': 'Add a new user'})
     if self.request.method == 'GET':
         return {'breadcrumbs': breadcrumbs,
                 'groups': groups,
                 'errors': errors}
     elif self.request.method == 'POST':
         name = self.request.params['name']
         email = self.request.params['email']
         password = self.request.params['password']
         group = self.request.params['group']
         user = Users(name=name, email=email,
                      group_id=group,
                      password=password)
         session.add(user)
         session.flush()
         return HTTPFound(location='/')

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class InterfaceHandler(object):
    """
    A handler for managing the interfaces.
    """

    def __init__(self, request):
        self.breadcrumbs = breadcrumbs
        self.request = request
        self.session = DBSession()
        self.interface = self.session.query(
            CommunicationInterface).get(self.request.matchdict.get('id'))

    @action(renderer='interface/index.mako', permission='admin')
    def index(self):
        breadcrumbs = self.breadcrumbs[:]
        breadcrumbs.append({'text': 'Interface overview'})
        messages = self.session.query(IncomingMessage)\
                   .filter_by(communication_interface=self.interface)\
                   .order_by(desc(IncomingMessage.id))\
                   .limit(200)
        return {'interface': self.interface,
                'breadcrumbs': breadcrumbs,
                'messages': messages,
                'fields': get_fields(self.interface)}

    @action()
    def send(self):
        msg = save_and_parse_message(
            self.interface,
            self.request.params['number'],
            self.request.params['message'])
        return Response(msg.uuid)

    @action(permission='admin')
    def remove(self):
        self.session.delete(self.interface)
        self.session.flush()
        return HTTPFound(location="%s/" % self.request.application_url)

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
 def add_meter(self):
     session = DBSession()
     if self.request.method == 'GET':
         comms = session.query(CommunicationInterface).all()
         return {'comms': comms,
                 'breadcrumbs': self.breadcrumbs
                 }
     elif self.request.method == 'POST':
         comm = session.query(CommunicationInterface)\
             .get(int(self.request.params.get('communication-interface')))
         meter_name = self.request.params.get('meter-name')
         meter_phone = self.request.params.get('meter-phone')
         meter_location = self.request.params.get('meter-location')
         batter_capacity = self.request.params.get('battery-capacity')
         panel_capacity = self.request.params.get('panel-capacity')
         meter = Meter(name=meter_name,
                       phone=meter_phone,
                       location=meter_location,
                       geometry='POINT(1 1)',
                       battery=batter_capacity,
                       status=True,
                       panel_capacity=panel_capacity,
                       communication_interface_id=comm.id)
         # save the meter
         session.add(meter)
         session.flush()
         # start at mains as every meter needs a mains
         start_ip_address = 200
         for x in range(0, int(self.request.params.get('number-of-circuits'))):
             ip_address = '192.168.1.%s' % (start_ip_address + x)
             # create an account for each circuit
             account = Account(lang=self.request.params.get('default-language'))
             session.add(account)
             session.flush()
             # create the circuit
             circuit = Circuit(
                 meter=meter,
                 account=account,
                 ip_address=ip_address,
                 power_max=self.request.params.get('power-emax'),
                 energy_max=self.request.params.get('default-emax'))
             session.add(circuit)
             session.flush()
         return HTTPFound(location='/manage/show_meters')

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]

#.........这里部分代码省略.........
        return {
            'logged_in': authenticated_userid(self.request),
            'breadcrumbs': breadcrumbs,
            'circuit': self.circuit}

    @action(permission='admin')
    def turn_off(self):
        self.circuit.turnOff()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission='admin')
    def turn_on(self):
        self.circuit.turnOn()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission='admin')
    def ping(self):
        self.circuit.ping()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission='admin')
    def remove_jobs(self):
        [self.session.delete(job) for job in self.circuit.get_jobs()]
        return HTTPFound(
            location="%s%s" % (self.request.application_url,
                                self.circuit.getUrl()))

    @action()
    def jobs(self):
        return Response([x.toJSON() for x in self.circuit.get_jobs()])

    @action()
    def show_primary_logs(self):
        session = DBSession()
        logs = session.query(PrimaryLog)\
            .filter_by(circuit=self.circuit)\
            .order_by(desc(PrimaryLog.created))\
            .limit(200)
        return json_response([{'id': l.id,
                               'status': l.status,
                               'use_time': l.use_time,
                               'gateway_date': l.created.strftime('%Y-%m-%d %H:%M:%S'),
                               'meter_date': l.date.strftime('%Y-%m-%d %H:%M:%S'),
                               'time_difference': find_time_different(l),
                               'watthours': "{0:.1f}".format(l.watthours),
                               'credit': int(l.credit)} for l in logs])

    @action()
    def show_graphing_logs(self):
        session = DBSession()
        value = self.request.params.get('value', 'watthours')

        start = datetime.strptime(self.request.params.get('start', '05/01/2011'), '%m/%d/%Y')
        end = datetime.strptime(self.request.params.get('end', '06/01/2011'), '%m/%d/%Y')

        logs = session.query(PrimaryLog)\
                      .filter(PrimaryLog.circuit == self.circuit)\
                      .filter(PrimaryLog.date > start)\
                      .filter(PrimaryLog.date <= end)\
                      .order_by(PrimaryLog.created)
        if value == 'use_time':
            values = map(lambda x: (getattr(x, value) / 3600), logs)
        else:
            values = map(lambda x: getattr(x, value), logs)
        return json_response(
            {'dates': map(lambda x: time.mktime(x.date.timetuple()), logs),
             'values': values }
          )

    @action(permission='view')
    def get_payment_logs(self):
        """
        A view to render a circuit's payment history as a json object.
        """
        session = DBSession()
        payments = session.query(AddCredit)\
            .filter_by(circuit=self.circuit).order_by(desc(AddCredit.start))
        return json_response(
            {'payments': [{'id': p.id,
                           'status': p.state,
                           'token': str(p.token),
                           'start': str(p.start),
                           'credit': p.credit,
                           'end': str(p.end),
                           'state': p.state} for p in payments]})

    @action(permission='admin')
    def add_credit(self):
        interface = self.circuit.meter.communication_interface
        job = AddCredit(circuit=self.circuit,
                  credit=self.request.params.get("amount"))
        self.session.add(job)
        self.session.flush()
        interface.sendJob(job)
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission="admin")
    def remove(self):
        self.session.delete(self.circuit)
        return HTTPFound(location=self.meter.getUrl())

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]

#.........这里部分代码省略.........
            d[log.date.strftime('%Y.%m.%d.%H.%M')].append(log)
        for key in sorted(d.iterkeys(), reverse=True):
            log_cids = [log.circuit.id for log in d[key]]
            output.write(str(key) + " | ")
            output.write(" ".join([str(x).ljust(3) if x in
                                   log_cids else ' - ' for x in cids]))
            output.write("\n")
        return Response(output.getvalue(), content_type="text/plain")

    @action(permission='admin')
    def show_account_numbers(self):
        """ Returns the account numbers as a csv file.
        """
        output = cStringIO.StringIO()
        output.write('Pin, IpAddress \n')
        for c in self.meter.get_circuits():
            output.write('%s, %s\n' % (c.pin, c.ip_address))
        resp = Response(output.getvalue())
        resp.content_type = 'application/x-csv'
        resp.headers.add('Content-Disposition',
                         'attachment;filename=%s:accounts.csv' % \
                         str(self.meter.name))
        return resp

    # this serialization should be a class method.
    @action(permission='view')
    def circuits(self):
        now = datetime.now()
        last_month = now - timedelta(days=30)
        return json_response(
            [{'id':x.id,
              'ipaddress': x.ip_address,
              'language': x.account.lang,
              'watthours': x.getWatthours(),
              'last_msg': x.getLastLogTime(),
              'credit_consumed': int(x.calculateCreditConsumed(last_month, now)),
              'status': x.status,
              'number_of_recharges': x.get_number_of_recharges(),
              'account': x.pin,
              'credit': int(x.credit)
              }
             for x in self.meter.get_circuits()]
            )

    @action()
    def geometry(self):
        point = loads(self.meter.geometry)
        return Response(
            content_type='application/json',
            body=simplejson.dumps(
                {'type': 'FeatureCollection',
                  'features': [{
                            'type':'Feature',
                            'geometry': {'type': 'Point',
                                         'coordinates': list(point.coords)[0]},
                            'properties': {}
                            }]}))

    @action(renderer='meter/grid_graph.mako')
    def grid_graph(self):
        return {'meter': self.meter}

    @action(request_method='POST', permission="admin")
    def add_circuit(self):
        """A view that allows users to add an circuit to an
        """
        params = self.request.params
        pin = params.get("pin")
        if len(pin) == 0:
            pin = Circuit.get_pin()
        account = Account(
            lang=params.get("lang"),
            phone=params.get("phone"))
        circuit = Circuit(meter=self.meter,
                          account=account,
                          ip_address=params.get("ip_address"),
                          energy_max=int(params.get("energy_max")),
                          power_max=int(params.get("power_max")))
        self.session.add(account)
        self.session.add(circuit)
        self.session.flush()
        return Response(simplejson.dumps(circuit.id))

    @action(permission="admin")
    def remove(self):
        """Allows users to remove an meter.
        """
        [self.session.delete(c)
         for c in self.session.query(Circuit).filter_by(meter=self.meter)]
        self.session.delete(self.meter)
        return HTTPFound(location="/manage/show_meters")

    @action(permission="admin")
    def ping(self):
        job = Mping(self.meter)
        self.session.add(job)
        self.session.flush()
        interface = self.meter.communication_interface
        interface.sendJob(job)
        return HTTPFound(location=self.meter.getUrl())

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]
class MeterHandler(object):
    """
    Meter handler, allows for user to edit and manage meters
    """
    def __init__(self, request):
        self.request = request
        self.session  = DBSession()
        self.meter = self.session.query(Meter).\
                     filter_by(slug=self.request.matchdict['slug']).one()
        self.breadcrumbs = breadcrumbs[:]

    @action(renderer="meter/index.mako", permission="admin")
    def index(self):
        breadcrumbs = self.breadcrumbs[:]
        breadcrumbs.append({"text": "Meter Overview"})
        circuit_data = make_table_data(self.meter.get_circuits())
        return {
            "logged_in": authenticated_userid(self.request),
            "meter": self.meter,
            "circuit_header": make_table_header(Circuit),
            "circuit_data": circuit_data,
            "fields": get_fields(self.meter),
            "breadcrumbs": breadcrumbs }

    @action(request_method='POST', permission="admin")
    def add_circuit(self):
        params = self.request.params
        pin = params.get("pin")
        if len(pin) == 0:
            pin = Circuit.get_pin()
        account = Account(
            lang=params.get("lang"),
            phone=params.get("phone"))
        circuit = Circuit(meter=self.meter,
                          account=account,
                          pin=pin,
                          ip_address=params.get("ip_address"),
                          energy_max=int(params.get("energy_max")),
                          power_max=int(params.get("power_max")))
        self.session.add(account)
        self.session.add(circuit)
        self.session.flush()
        return HTTPFound(location="%s%s" % (
                self.request.application_url, self.meter.getUrl()))

    @action(renderer="meter/edit.mako", permission="admin")
    def edit(self):
        return {
            "fields": get_fields(self.meter),
            "meter": self.meter }

    @action(renderer="meter/build_graph.mako", permission="admin")
    def build_graph(self):
        return {
            "logged_in": authenticated_userid(self.request),
            "meter": self.meter }

    @action(renderer="meter/show_graph.mako", permission="admin")
    def show_graph(self):
        #needs to be implemented
        return {}

    @action(permission="admin")
    def logs(self):
        days = int(self.request.params.get('days', 10))
        date = datetime.now()
        logs = find_meter_logs(meter=self.meter,
                               date=date, session=self.session,
                               days=days)
        return Response(
            simplejson.dumps(logs),
            content_type='application/json')

    @action(permission="admin")
    def update(self):
        meter = model_from_request(self.request,
                                   self.meter)
        self.session.merge(meter)
        return HTTPFound(
            location="%s%s" % (self.request.application_url,
                               self.meter.getUrl()))

    @action(permission="admin")
    def remove(self):
        self.session.delete(self.meter)
        [self.session.delete(x)
         for x in self.session.query(Circuit).filter_by(meter=self.meter)]
        return HTTPFound(location="/")

    @action(permission="admin")
    def ping(self):
        job = Mping(self.meter)
        self.session.add(job)
        self.session.flush()
        msgClass = self.meter.getMessageType(job=True)
        self.session.add(msgClass(job, self.meter.phone, incoming=""))
        return HTTPFound(location=self.meter.getUrl())

# 需要导入模块: from gateway.models import DBSession [as 别名]
# 或者: from gateway.models.DBSession import flush [as 别名]

#.........这里部分代码省略.........

    @action(renderer="circuit/index.mako", permission="admin")
    def index(self):
        breadcrumbs = self.breadcrumbs[:]
        breadcrumbs.extend([
                    {"text": "Meter Overview", "url": self.meter.getUrl()},
                    {"text": "Circuit Overview"}])
        return {
            "logged_in": authenticated_userid(self.request),
            "breadcrumbs": breadcrumbs,
            "jobs": self.circuit.get_jobs(),
            "fields": get_fields(self.circuit),
            "circuit": self.circuit }

    @action(renderer="circuit/edit.mako", permission="admin")
    def edit(self):
        breadcrumbs = self.breadcrumbs
        breadcrumbs.extend([
                    {"text": "Meter Overview", "url": self.meter.getUrl()},
                    {"text": "Circuit Overview", "url": self.circuit.url()},
                    {"text": "Circuit Edit"}])
        return {
            "logged_in": authenticated_userid(self.request),
            "breadcrumbs": breadcrumbs,
            "fields": get_fields(self.circuit),
            "circuit": self.circuit }

    @action(permission="admin")
    def update(self):
        circuit = model_from_request(
            self.request, self.circuit)
        self.session.merge(circuit)
        return HTTPFound(
            location="%s%s" % (self.request.application_url,
                           self.circuit.getUrl()))

    @action(permission="admin")
    def turn_off(self):
        self.circuit.turnOff()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission="admin")
    def turn_on(self):
        self.circuit.turnOn()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission="admin")
    def ping(self):
        self.circuit.ping()
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission="admin")
    def remove_jobs(self):
        [self.session.delete(job) for job in self.circuit.get_jobs()]
        return HTTPFound(
            location="%s%s" % (self.request.application_url,
                                self.circuit.getUrl()))

    @action(renderer="circuit/build_graph.mako", permission="admin")
    def build_graph(self):
        return {
            "logged_in": authenticated_userid(self.request),
            "circuit": self.circuit }

    @action(renderer="circuit/show_graph.mako", permission="admin")
    def show_graph(self):
        query = self.session.query(PrimaryLog)
        params = self.request.params
        # parse the date from the request
        origin = parser.parse(params["from"])
        to = parser.parse(params["to"])
        yaxis = params["yaxis"]
        logs = [x for x in query.all() if x.created > origin]
        logs = [x for x in logs if x.created < to]
        return {
            "logged_in": authenticated_userid(self.request),
            "data": [{"time": str(x.created.ctime()),
                      "value": x.get_property(yaxis)} for x in logs ],
            "y_units": simplejson.dumps(params["yaxis"]),
            "origin": simplejson.dumps(params["from"]),
            "to": simplejson.dumps(params["to"])}

    @action()
    def jobs(self):
        return Response([x.toJSON() for x in self.circuit.get_jobs()])

    @action(permission="admin")
    def add_credit(self):
        interface = self.circuit.meter.communication_interface
        job = AddCredit(circuit=self.circuit,
                  credit=self.request.params.get("amount"))
        self.session.add(job)
        self.session.flush()
        interface.sendJob(job)
        return HTTPFound(location=self.circuit.getUrl())

    @action(permission="admin")
    def remove(self):
        self.session.delete(self.circuit)
        return HTTPFound(location=self.meter.getUrl())