Exemple #1
0
    async def set_queue_metadata(self, queue_name, metadata=None, timeout=None):
        '''
        Sets user-defined metadata on the specified queue. Metadata is
        associated with the queue as name-value pairs.

        :param str queue_name:
            The name of an existing queue.
        :param dict metadata:
            A dict containing name-value pairs to associate with the
            queue as metadata.
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name)
        self._set_basic_headers(request)
        request.query = {
            'comp': 'metadata',
            'timeout': _int_to_str(timeout),
        }
        _add_metadata_headers(metadata, request)

        await self._perform_request(request)
Exemple #2
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    async def get_queue_service_stats(self, timeout=None):
        '''
        Retrieves statistics related to replication for the Queue service. It is 
        only available when read-access geo-redundant replication is enabled for 
        the azure_async account.

        With geo-redundant replication, Azure Storage maintains your data durable 
        in two locations. In both locations, Azure Storage constantly maintains 
        multiple healthy replicas of your data. The location where you read, 
        create, update, or delete data is the primary azure_async account location.
        The primary location exists in the region you choose at the time you 
        create an account via the Azure Management Azure classic portal, for 
        example, North Central US. The location to which your data is replicated 
        is the secondary location. The secondary location is automatically 
        determined based on the location of the primary; it is in a second data 
        center that resides in the same region as the primary location. Read-only 
        access is available from the secondary location, if read-access geo-redundant 
        replication is enabled for your azure_async account.

        :param int timeout:
            The timeout parameter is expressed in seconds.
        :return: The queue service stats.
        :rtype: :class:`~azure.azure_async.common.models.ServiceStats`
        '''
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(primary=False, secondary=True)
        request.path = _get_path()
        request.query = {
            'restype': 'service',
            'comp': 'stats',
            'timeout': _int_to_str(timeout),
        }

        return await self._perform_request(request, _convert_xml_to_service_stats)
Exemple #3
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    async def get_queue_metadata(self, queue_name, timeout=None):
        '''
        Retrieves user-defined metadata and queue properties on the specified
        queue. Metadata is associated with the queue as name-value pairs.

        :param str queue_name:
            The name of an existing queue.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return:
            A dictionary representing the queue metadata with an 
            approximate_message_count int property on the dict estimating the 
            number of messages in the queue.
        :rtype: dict(str, str)
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(secondary=True)
        request.path = _get_path(queue_name)
        request.query = {
            'comp': 'metadata',
            'timeout': _int_to_str(timeout),
        }

        return await self._perform_request(request, _parse_metadata_and_message_count)
Exemple #4
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    async def create_queue(self, queue_name, metadata=None, fail_on_exist=False, timeout=None):
        '''
        Creates a queue under the given account.

        :param str queue_name:
            The name of the queue to create. A queue name must be from 3 through 
            63 characters long and may only contain lowercase letters, numbers, 
            and the dash (-) character. The first and last letters in the queue 
            must be alphanumeric. The dash (-) character cannot be the first or 
            last character. Consecutive dash characters are not permitted in the 
            queue name.
        :param metadata:
            A dict containing name-value pairs to associate with the queue as 
            metadata. Note that metadata names preserve the case with which they 
            were created, but are case-insensitive when set or read. 
        :type metadata: dict(str, str)
        :param bool fail_on_exist:
            Specifies whether to throw an exception if the queue already exists.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return:
            A boolean indicating whether the queue was created. If fail_on_exist 
            was set to True, this will throw instead of returning false.
        :rtype: bool
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name)
        request.query = {'timeout': _int_to_str(timeout)}
        self._set_basic_headers(request)
        _add_metadata_headers(metadata, request)

        def _return_request(request):
            return request

        if not fail_on_exist:
            try:
                response = await self._perform_request(request, parser=_return_request)
                if response.status == _HTTP_RESPONSE_NO_CONTENT:
                    return False
                return True
            except AzureHttpError as ex:
                _dont_fail_on_exist(ex)
                return False
        else:
            response = await self._perform_request(request, parser=_return_request)
            if response.status == _HTTP_RESPONSE_NO_CONTENT:
                raise AzureConflictHttpError(
                    _ERROR_CONFLICT.format(response.message), response.status)
            return True
Exemple #5
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    async def peek_messages(self, queue_name, num_messages=None, timeout=None):
        '''
        Retrieves one or more messages from the front of the queue, but does
        not alter the visibility of the message.

        Only messages that are visible may be retrieved. When a message is retrieved 
        for the first time with a call to get_messages, its dequeue_count property 
        is set to 1. If it is not deleted and is subsequently retrieved again, the 
        dequeue_count property is incremented. The client may use this value to 
        determine how many times a message has been retrieved. Note that a call 
        to peek_messages does not increment the value of DequeueCount, but returns 
        this value for the client to read.

        If the key-encryption-key or resolver field is set on the local service object, the messages will be
        decrypted before being returned.

        :param str queue_name:
            The name of the queue to peek messages from.
        :param int num_messages:
            A nonzero integer value that specifies the number of
            messages to peek from the queue, up to a maximum of 32. By default,
            a single message is peeked from the queue with this operation.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return: 
            A list of :class:`~azure.azure_async.queue.models.QueueMessage` objects. Note that
            time_next_visible and pop_receipt will not be populated as peek does 
            not pop the message and can only retrieve already visible messages.
        :rtype: list(:class:`~azure.azure_async.queue.models.QueueMessage`)
        '''

        _validate_decryption_required(self.require_encryption, self.key_encryption_key,
                                      self.key_resolver_function)

        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(secondary=True)
        request.path = _get_path(queue_name, True)
        request.query = {
            'peekonly': 'true',
            'numofmessages': _to_str(num_messages),
            'timeout': _int_to_str(timeout)
        }

        return await self._perform_request(request, _convert_xml_to_queue_messages,
                                     [self.decode_function, self.require_encryption,
                                      self.key_encryption_key, self.key_resolver_function])
Exemple #6
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    async def get_messages(self, queue_name, num_messages=None, visibility_timeout=None, timeout=None):
        '''
        Retrieves one or more messages from the front of the queue.

        When a message is retrieved from the queue, the response includes the message 
        content and a pop_receipt value, which is required to delete the message. 
        The message is not automatically deleted from the queue, but after it has 
        been retrieved, it is not visible to other clients for the time interval 
        specified by the visibility_timeout parameter.

        If the key-encryption-key or resolver field is set on the local service object, the messages will be
        decrypted before being returned.

        :param str queue_name:
            The name of the queue to get messages from.
        :param int num_messages:
            A nonzero integer value that specifies the number of
            messages to retrieve from the queue, up to a maximum of 32. If
            fewer are visible, the visible messages are returned. By default,
            a single message is retrieved from the queue with this operation.
        :param int visibility_timeout:
            Specifies the new visibility timeout value, in seconds, relative
            to server time. The new value must be larger than or equal to 1
            second, and cannot be larger than 7 days. The visibility timeout of 
            a message can be set to a value later than the expiry time.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return: A :class:`~azure.azure_async.queue.models.QueueMessage` object representing the information passed.
        :rtype: list(:class:`~azure.azure_async.queue.models.QueueMessage`)
        '''
        _validate_decryption_required(self.require_encryption, self.key_encryption_key,
                                      self.key_resolver_function)

        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name, True)
        request.query = {
            'numofmessages': _to_str(num_messages),
            'visibilitytimeout': _to_str(visibility_timeout),
            'timeout': _int_to_str(timeout)
        }

        return await self._perform_request(request, _convert_xml_to_queue_messages,
                                     [self.decode_function, self.require_encryption,
                                      self.key_encryption_key, self.key_resolver_function])
Exemple #7
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    async def clear_messages(self, queue_name, timeout=None):
        '''
        Deletes all messages from the specified queue.

        :param str queue_name:
            The name of the queue whose messages to clear.
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'DELETE'
        request.host_locations = self._get_host_locations()
        self._set_basic_headers(request)
        request.path = _get_path(queue_name, True)
        request.query = {'timeout': _int_to_str(timeout)}
        await self._perform_request(request)
Exemple #8
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    async def get_queue_service_properties(self, timeout=None):
        '''
        Gets the properties of a azure_async account's Queue service, including
        logging, analytics and CORS rules.

        :param int timeout:
            The server timeout, expressed in seconds.
        :return: The queue service properties.
        :rtype: :class:`~azure.azure_async.common.models.ServiceProperties`
        '''
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(secondary=True)
        request.path = _get_path()
        request.query = {
            'restype': 'service',
            'comp': 'properties',
            'timeout': _int_to_str(timeout),
        }

        return await self._perform_request(request, _convert_xml_to_service_properties)
Exemple #9
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    async def delete_queue(self, queue_name, fail_not_exist=False, timeout=None):
        '''
        Deletes the specified queue and any messages it contains.

        When a queue is successfully deleted, it is immediately marked for deletion 
        and is no longer accessible to clients. The queue is later removed from 
        the Queue service during garbage collection.

        Note that deleting a queue is likely to take at least 40 seconds to complete. 
        If an operation is attempted against the queue while it was being deleted, 
        an :class:`AzureConflictHttpError` will be thrown.

        :param str queue_name:
            The name of the queue to delete.
        :param bool fail_not_exist:
            Specifies whether to throw an exception if the queue doesn't exist.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return:
            A boolean indicating whether the queue was deleted. If fail_not_exist 
            was set to True, this will throw instead of returning false.
        :rtype: bool
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'DELETE'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name)
        request.query = {'timeout': _int_to_str(timeout)}
        self._set_basic_headers(request)
        if not fail_not_exist:
            try:
                await self._perform_request(request)
                return True
            except AzureHttpError as ex:
                _dont_fail_not_exist(ex)
                return False
        else:
            await self._perform_request(request)
            return True
Exemple #10
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    async def _list_queues(self, prefix=None, marker=None, max_results=None,
                     include=None, timeout=None, _context=None):
        '''
        Returns a list of queues under the specified account. Makes a single list 
        request to the service. Used internally by the list_queues method.

        :param str prefix:
            Filters the results to return only queues with names that begin
            with the specified prefix.
        :param str marker:
            A token which identifies the portion of the query to be
            returned with the next query operation. The operation returns a
            next_marker element within the response body if the list returned
            was not complete. This value may then be used as a query parameter
            in a subsequent call to request the next portion of the list of
            queues. The marker value is opaque to the client.
        :param int max_results:
            The maximum number of queues to return. A single list request may 
            return up to 1000 queues and potentially a continuation token which 
            should be followed to get additional resutls.
        :param str include:
            Include this parameter to specify that the container's
            metadata be returned as part of the response body.
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(secondary=True)
        request.path = _get_path()
        request.query = {
            'comp': 'list',
            'prefix': _to_str(prefix),
            'marker': _to_str(marker),
            'maxresults': _int_to_str(max_results),
            'include': _to_str(include),
            'timeout': _int_to_str(timeout)
        }

        return await self._perform_request(request, _convert_xml_to_queues, operation_context=_context)
Exemple #11
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    async def set_queue_acl(self, queue_name, signed_identifiers=None, timeout=None):
        '''
        Sets stored access policies for the queue that may be used with Shared 
        Access Signatures. 
        
        When you set permissions for a queue, the existing permissions are replaced. 
        To update the queue's permissions, call :func:`~get_queue_acl` to fetch 
        all access policies associated with the queue, modify the access policy 
        that you wish to change, and then call this function with the complete 
        set of data to perform the update.

        When you establish a stored access policy on a queue, it may take up to 
        30 seconds to take effect. During this interval, a shared access signature 
        that is associated with the stored access policy will throw an 
        :class:`AzureHttpError` until the access policy becomes active.

        :param str queue_name:
            The name of an existing queue.
        :param signed_identifiers:
            A dictionary of access policies to associate with the queue. The 
            dictionary may contain up to 5 elements. An empty dictionary 
            will clear the access policies set on the service. 
        :type signed_identifiers: dict(str, :class:`~azure.azure_async.common.models.AccessPolicy`)
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        _validate_not_none('queue_name', queue_name)
        _validate_access_policies(signed_identifiers)
        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name)
        self._set_basic_headers(request)
        request.query = {
            'comp': 'acl',
            'timeout': _int_to_str(timeout),
        }
        request.body = _get_request_body(
            _convert_signed_identifiers_to_xml(signed_identifiers))
        await self._perform_request(request)
Exemple #12
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    async def set_queue_service_properties(self, logging=None, hour_metrics=None,
                                     minute_metrics=None, cors=None, timeout=None):
        '''
        Sets the properties of a azure_async account's Queue service, including
        Azure Storage Analytics. If an element (ex Logging) is left as None, the 
        existing settings on the service for that functionality are preserved. 
        For more information on Azure Storage Analytics, see 
        https://msdn.microsoft.com/en-us/library/azure/hh343270.aspx.

        :param Logging logging:
            The logging settings provide request logs.
        :param Metrics hour_metrics:
            The hour metrics settings provide a summary of request 
            statistics grouped by API in hourly aggregates for queuess.
        :param Metrics minute_metrics:
            The minute metrics settings provide request statistics 
            for each minute for queues.
        :param cors:
            You can include up to five CorsRule elements in the 
            list. If an empty list is specified, all CORS rules will be deleted, 
            and CORS will be disabled for the service. For detailed information 
            about CORS rules and evaluation logic, see 
            https://msdn.microsoft.com/en-us/library/azure/dn535601.aspx.
        :type cors: list(:class:`~azure.azure_async.common.models.CorsRule`)
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path()
        request.query = {
            'restype': 'service',
            'comp': 'properties',
            'timeout': _int_to_str(timeout),
        }
        request.body = _get_request_body(
            _convert_service_properties_to_xml(logging, hour_metrics, minute_metrics, cors))
        await self._perform_request(request)
Exemple #13
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    async def get_queue_acl(self, queue_name, timeout=None):
        '''
        Returns details about any stored access policies specified on the
        queue that may be used with Shared Access Signatures.

        :param str queue_name:
            The name of an existing queue.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return: A dictionary of access policies associated with the queue.
        :rtype: dict(str, :class:`~azure.azure_async.common.models.AccessPolicy`)
        '''
        _validate_not_none('queue_name', queue_name)
        request = HTTPRequest()
        request.method = 'GET'
        request.host_locations = self._get_host_locations(secondary=True)
        request.path = _get_path(queue_name)
        request.query = {
            'comp': 'acl',
            'timeout': _int_to_str(timeout),
        }

        return await self._perform_request(request, _convert_xml_to_signed_identifiers)
Exemple #14
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    async def delete_message(self, queue_name, message_id, pop_receipt, timeout=None):
        '''
        Deletes the specified message.

        Normally after a client retrieves a message with the get_messages operation, 
        the client is expected to process and delete the message. To delete the 
        message, you must have two items of data: id and pop_receipt. The 
        id is returned from the previous get_messages operation. The 
        pop_receipt is returned from the most recent :func:`~get_messages` or 
        :func:`~update_message` operation. In order for the delete_message operation 
        to succeed, the pop_receipt specified on the request must match the 
        pop_receipt returned from the :func:`~get_messages` or :func:`~update_message` 
        operation. 

        :param str queue_name:
            The name of the queue from which to delete the message.
        :param str message_id:
            The message id identifying the message to delete.
        :param str pop_receipt:
            A valid pop receipt value returned from an earlier call
            to the :func:`~get_messages` or :func:`~update_message`.
        :param int timeout:
            The server timeout, expressed in seconds.
        '''
        _validate_not_none('queue_name', queue_name)
        _validate_not_none('message_id', message_id)
        _validate_not_none('pop_receipt', pop_receipt)
        request = HTTPRequest()
        request.method = 'DELETE'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name, True, message_id)
        self._set_basic_headers(request)
        request.query = {
            'popreceipt': _to_str(pop_receipt),
            'timeout': _int_to_str(timeout)
        }
        await self._perform_request(request)
    async def append_block(self,
                           container_name,
                           blob_name,
                           block,
                           validate_content=False,
                           maxsize_condition=None,
                           appendpos_condition=None,
                           lease_id=None,
                           if_modified_since=None,
                           if_unmodified_since=None,
                           if_match=None,
                           if_none_match=None,
                           timeout=None):
        '''
        Commits a new block of data to the end of an existing append blob.
        
        :param str container_name:
            Name of existing container.
        :param str blob_name:
            Name of existing blob.
        :param bytes block:
            Content of the block in bytes.
        :param bool validate_content:
            If true, calculates an MD5 hash of the block content. The azure_async
            service checks the hash of the content that has arrived
            with the hash that was sent. This is primarily valuable for detecting 
            bitflips on the wire if using http instead of https as https (the default) 
            will already validate. Note that this MD5 hash is not stored with the 
            blob.
        :param int maxsize_condition:
            Optional conditional header. The max length in bytes permitted for
            the append blob. If the Append Block operation would cause the blob
            to exceed that limit or if the blob size is already greater than the
            value specified in this header, the request will fail with
            MaxBlobSizeConditionNotMet error (HTTP status code 412 - Precondition Failed).
        :param int appendpos_condition:
            Optional conditional header, used only for the Append Block operation.
            A number indicating the byte offset to compare. Append Block will
            succeed only if the append position is equal to this number. If it
            is not, the request will fail with the
            AppendPositionConditionNotMet error
            (HTTP status code 412 - Precondition Failed).
        :param str lease_id:
            Required if the blob has an active lease.
        :param datetime if_modified_since:
            A DateTime value. Azure expects the date value passed in to be UTC.
            If timezone is included, any non-UTC datetimes will be converted to UTC.
            If a date is passed in without timezone info, it is assumed to be UTC. 
            Specify this header to perform the operation only
            if the resource has been modified since the specified time.
        :param datetime if_unmodified_since:
            A DateTime value. Azure expects the date value passed in to be UTC.
            If timezone is included, any non-UTC datetimes will be converted to UTC.
            If a date is passed in without timezone info, it is assumed to be UTC.
            Specify this header to perform the operation only if
            the resource has not been modified since the specified date/time.
        :param str if_match:
            An ETag value, or the wildcard character (*). Specify this header to perform
            the operation only if the resource's ETag matches the value specified.
        :param str if_none_match:
            An ETag value, or the wildcard character (*). Specify this header
            to perform the operation only if the resource's ETag does not match
            the value specified. Specify the wildcard character (*) to perform
            the operation only if the resource does not exist, and fail the
            operation if it does exist.
        :param int timeout:
            The timeout parameter is expressed in seconds.
        :return:
            ETag, last modified, append offset, and committed block count 
            properties for the updated Append Blob
        :rtype: :class:`~azure.azure_async.blob.models.AppendBlockProperties`
        '''
        _validate_not_none('container_name', container_name)
        _validate_not_none('blob_name', blob_name)
        _validate_not_none('block', block)
        _validate_encryption_unsupported(self.require_encryption,
                                         self.key_encryption_key)

        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(container_name, blob_name)
        request.query = {
            'comp': 'appendblock',
            'timeout': _int_to_str(timeout),
        }
        request.headers = {
            'Accept': '*/*',
            'Accept-Encoding': 'gzip, deflate',
            'Host': f'{self.account_name}.blob.core.windows.net',
            'Content-Type': 'application/octet-stream',
            'x-ms-blob-condition-maxsize': _to_str(maxsize_condition),
            'x-ms-blob-condition-appendpos': _to_str(appendpos_condition),
            'x-ms-lease-id': _to_str(lease_id),
            'If-Modified-Since': _datetime_to_utc_string(if_modified_since),
            'If-Unmodified-Since':
            _datetime_to_utc_string(if_unmodified_since),
            'If-Match': _to_str(if_match),
            'If-None-Match': _to_str(if_none_match)
        }
        request.body = _get_data_bytes_only('block', block)

        if validate_content:
            computed_md5 = _get_content_md5(request.body)
            request.headers['Content-MD5'] = _to_str(computed_md5)

        return await self._perform_request(request, _parse_append_block)
    async def create_blob(self,
                          container_name,
                          blob_name,
                          content_settings=None,
                          metadata=None,
                          lease_id=None,
                          if_modified_since=None,
                          if_unmodified_since=None,
                          if_match=None,
                          if_none_match=None,
                          timeout=None):
        '''
        Creates a blob or overrides an existing blob. Use if_match=* to
        prevent overriding an existing blob. 

        See create_blob_from_* for high level
        functions that handle the creation and upload of large blobs with
        automatic chunking and progress notifications.

        :param str container_name:
            Name of existing container.
        :param str blob_name:
            Name of blob to create or update.
        :param ~azure.azure_async.blob.models.ContentSettings content_settings:
            ContentSettings object used to set blob properties.
        :param metadata:
            Name-value pairs associated with the blob as metadata.
        :type metadata: dict(str, str)
        :param str lease_id:
            Required if the blob has an active lease.
        :param datetime if_modified_since:
            A DateTime value. Azure expects the date value passed in to be UTC.
            If timezone is included, any non-UTC datetimes will be converted to UTC.
            If a date is passed in without timezone info, it is assumed to be UTC. 
            Specify this header to perform the operation only
            if the resource has been modified since the specified time.
        :param datetime if_unmodified_since:
            A DateTime value. Azure expects the date value passed in to be UTC.
            If timezone is included, any non-UTC datetimes will be converted to UTC.
            If a date is passed in without timezone info, it is assumed to be UTC.
            Specify this header to perform the operation only if
            the resource has not been modified since the specified date/time.
        :param str if_match:
            An ETag value, or the wildcard character (*). Specify this header to
            perform the operation only if the resource's ETag matches the value specified.
        :param str if_none_match:
            An ETag value, or the wildcard character (*). Specify this header
            to perform the operation only if the resource's ETag does not match
            the value specified. Specify the wildcard character (*) to perform
            the operation only if the resource does not exist, and fail the
            operation if it does exist.
        :param int timeout:
            The timeout parameter is expressed in seconds.
        :return: ETag and last modified properties for the updated Append Blob
        :rtype: :class:`~azure.azure_async.blob.models.ResourceProperties`
        '''
        _validate_not_none('container_name', container_name)
        _validate_not_none('blob_name', blob_name)
        _validate_encryption_unsupported(self.require_encryption,
                                         self.key_encryption_key)

        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(container_name, blob_name)
        request.query = {'timeout': _int_to_str(timeout)}
        request.headers = {
            'Accept': '*/*',
            'Accept-Encoding': 'gzip, deflate',
            'Host': f'{self.account_name}.blob.core.windows.net',
            'Content-Type': 'application/octet-stream',
            'x-ms-blob-type': _to_str(self.blob_type),
            'x-ms-lease-id': _to_str(lease_id),
            'If-Modified-Since': _datetime_to_utc_string(if_modified_since),
            'If-Unmodified-Since':
            _datetime_to_utc_string(if_unmodified_since),
            'If-Match': _to_str(if_match),
            'If-None-Match': _to_str(if_none_match)
        }
        _add_metadata_headers(metadata, request)
        if content_settings is not None:
            request.headers.update(content_settings._to_headers())

        return await self._perform_request(request, _parse_base_properties)
Exemple #17
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    async def update_message(self, queue_name, message_id, pop_receipt, visibility_timeout, content=None, timeout=None):
        '''
        Updates the visibility timeout of a message. You can also use this
        operation to update the contents of a message.

        This operation can be used to continually extend the invisibility of a 
        queue message. This functionality can be useful if you want a worker role 
        to "lease" a queue message. For example, if a worker role calls get_messages 
        and recognizes that it needs more time to process a message, it can 
        continually extend the message's invisibility until it is processed. If 
        the worker role were to fail during processing, eventually the message 
        would become visible again and another worker role could process it.

        If the key-encryption-key field is set on the local service object, this method will
        encrypt the content before uploading.

        :param str queue_name:
            The name of the queue containing the message to update.
        :param str message_id:
            The message id identifying the message to update.
        :param str pop_receipt:
            A valid pop receipt value returned from an earlier call
            to the :func:`~get_messages` or :func:`~update_message` operation.
        :param int visibility_timeout:
            Specifies the new visibility timeout value, in seconds,
            relative to server time. The new value must be larger than or equal
            to 0, and cannot be larger than 7 days. The visibility timeout of a
            message cannot be set to a value later than the expiry time. A
            message can be updated until it has been deleted or has expired.
        :param obj content:
            Message content. Allowed type is determined by the encode_function 
            set on the service. Default is str.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return: 
            A list of :class:`~azure.azure_async.queue.models.QueueMessage` objects. For convenience,
            this object is also populated with the content, although it is not returned by the service.
        :rtype: list(:class:`~azure.azure_async.queue.models.QueueMessage`)
        '''

        _validate_encryption_required(self.require_encryption, self.key_encryption_key)

        _validate_not_none('queue_name', queue_name)
        _validate_not_none('message_id', message_id)
        _validate_not_none('pop_receipt', pop_receipt)
        _validate_not_none('visibility_timeout', visibility_timeout)
        request = HTTPRequest()
        request.method = 'PUT'
        request.host_locations = self._get_host_locations()
        self._set_basic_headers(request)
        request.path = _get_path(queue_name, True, message_id)
        request.query = {
            'popreceipt': _to_str(pop_receipt),
            'visibilitytimeout': _int_to_str(visibility_timeout),
            'timeout': _int_to_str(timeout)
        }

        if content is not None:
            request.body = _get_request_body(_convert_queue_message_xml(content, self.encode_function,
                                                                        self.key_encryption_key))

        return await self._perform_request(request, _parse_queue_message_from_headers)
Exemple #18
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    async def put_message(self, queue_name, content, visibility_timeout=None, time_to_live=None, timeout=None):
        '''
        Adds a new message to the back of the message queue. 

        The visibility timeout specifies the time that the message will be 
        invisible. After the timeout expires, the message will become visible. 
        If a visibility timeout is not specified, the default value of 0 is used.

        The message time-to-live specifies how long a message will remain in the 
        queue. The message will be deleted from the queue when the time-to-live 
        period expires.

        If the key-encryption-key field is set on the local service object, this method will
        encrypt the content before uploading.

        :param str queue_name:
            The name of the queue to put the message into.
        :param obj content:
            Message content. Allowed type is determined by the encode_function 
            set on the service. Default is str. The encoded message can be up to 
            64KB in size.
        :param int visibility_timeout:
            If not specified, the default value is 0. Specifies the
            new visibility timeout value, in seconds, relative to server time.
            The value must be larger than or equal to 0, and cannot be
            larger than 7 days. The visibility timeout of a message cannot be
            set to a value later than the expiry time. visibility_timeout
            should be set to a value smaller than the time-to-live value.
        :param int time_to_live:
            Specifies the time-to-live interval for the message, in
            seconds. The maximum time-to-live allowed is 7 days. If this
            parameter is omitted, the default time-to-live is 7 days.
        :param int timeout:
            The server timeout, expressed in seconds.
        :return:
            A :class:`~azure.azure_async.queue.models.QueueMessage` object.
            This object is also populated with the content although it is not
            returned from the service.
        :rtype: :class:`~azure.azure_async.queue.models.QueueMessage`
        '''

        _validate_encryption_required(self.require_encryption, self.key_encryption_key)

        _validate_not_none('queue_name', queue_name)
        _validate_not_none('content', content)
        request = HTTPRequest()
        request.method = 'POST'
        request.host_locations = self._get_host_locations()
        request.path = _get_path(queue_name, True)
        self._set_basic_headers(request)
        request.query = {
            'visibilitytimeout': _to_str(visibility_timeout),
            'messagettl': _to_str(time_to_live),
            'timeout': _int_to_str(timeout)
        }

        request.body = _get_request_body(_convert_queue_message_xml(content, self.encode_function,
                                                                    self.key_encryption_key))

        message_list = await self._perform_request(request,
                                                   _convert_xml_to_queue_messages,
                                                    [self.decode_function, False, None, None, content])
        return message_list[0]