'Updates the configuration of an app.
Updates the configuration of an app.
:param resource_group_name: Name of the resource group to which the
resource belongs.
:type resource_group_name: str
:param name: Name of the app.
:type name: str
:param site_config: JSON representation of a SiteConfig object. See
example.
:type site_config: :class:`SiteConfigResource
<azure.mgmt.web.models.SiteConfigResource>`
:param dict custom_headers: headers that will be added to the request
:param bool raw: returns the direct response alongside the
deserialized response
:param operation_config: :ref:`Operation configuration
overrides<msrest:optionsforoperations>`.
:rtype: :class:`SiteConfigResource
<azure.mgmt.web.models.SiteConfigResource>`
:rtype: :class:`ClientRawResponse<msrest.pipeline.ClientRawResponse>`
if raw=true
:raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`'

def create_or_update_configuration(self, resource_group_name, name, site_config, custom_headers=None, raw=False, **operation_config):

    url = '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/config/web'
    path_format_arguments = {'resourceGroupName': self._serialize.url('resource_group_name', resource_group_name, 'str', max_length=90, min_length=1, pattern='^[-\\w\\._\\(\\)]+[^\\.]$'), 'name': self._serialize.url('name', name, 'str'), 'subscriptionId': self._serialize.url('self.config.subscription_id', self.config.subscription_id, 'str')}
    url = self._client.format_url(url, **path_format_arguments)
    query_parameters = {}
    query_parameters['api-version'] = self._serialize.query('self.api_version', self.api_version, 'str')
    header_parameters = {}
    header_parameters['Content-Type'] = 'application/json;    charset=utf-8'
    if self.config.generate_client_request_id:
        header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
    if custom_headers:
        header_parameters.update(custom_headers)
    if (self.config.accept_language is not None):
        header_parameters['accept-language'] = self._serialize.header('self.config.accept_language', self.config.accept_language, 'str')
    body_content = self._serialize.body(site_config, 'SiteConfigResource')
    request = self._client.put(url, query_parameters)
    response = self._client.send(request, header_parameters, body_content, **operation_config)
    if (response.status_code not in [200]):
        exp = CloudError(response)
        exp.request_id = response.headers.get('x-ms-request-id')
        raise exp
    deserialized = None
    if (response.status_code == 200):
        deserialized = self._deserialize('SiteConfigResource', response)
    if raw:
        client_raw_response = ClientRawResponse(deserialized, response)
        return client_raw_response
    return deserialized
