How to use the azure-storage-blob.azure.storage.blob._upload_chunking._BlobChunkUploader function in azure-storage-blob

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github Azure / azure-sdk-for-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
_SubStream(self.stream, i * self.chunk_size, last_block_size if i == blocks - 1 else self.chunk_size,
                              lock))

    def process_substream_block(self, block_data):
        return self._upload_substream_block_with_progress(block_data[0], block_data[1])

    def _upload_substream_block_with_progress(self, block_id, block_stream):
        range_id = self._upload_substream_block(block_id, block_stream)
        return range_id

    def set_response_properties(self, resp):
        self.etag = resp.etag
        self.last_modified = resp.last_modified


class _BlockBlobChunkUploader(_BlobChunkUploader):

    def _upload_chunk(self, chunk_offset, chunk_data):
        # TODO: This is incorrect, but works with recording.
        block_id = encode_base64(url_quote(encode_base64('{0:032d}'.format(chunk_offset))))
        self.blob_service.stage_block(
            block_id,
            len(chunk_data),
            chunk_data,
            timeout=self.timeout,
            lease_access_conditions=self.lease_access_conditions,
            validate_content=self.validate_content,
            **self.request_options)
        return BlobBlock(block_id)

    def _upload_substream_block(self, block_id, block_stream):
        try:
github Azure / azure-storage-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
_SubStream(self.stream, i * self.chunk_size, last_block_size if i == blocks - 1 else self.chunk_size,
                              lock))

    def process_substream_block(self, block_data):
        return self._upload_substream_block_with_progress(block_data[0], block_data[1])

    def _upload_substream_block_with_progress(self, block_id, block_stream):
        range_id = self._upload_substream_block(block_id, block_stream)
        self._update_progress(len(block_stream))
        return range_id

    def set_response_properties(self, resp):
        self.response_properties = resp


class _BlockBlobChunkUploader(_BlobChunkUploader):
    def _upload_chunk(self, chunk_offset, chunk_data):
        block_id = url_quote(_encode_base64('{0:032d}'.format(chunk_offset)))
        self.blob_service._put_block(
            self.container_name,
            self.blob_name,
            chunk_data,
            block_id,
            validate_content=self.validate_content,
            lease_id=self.lease_id,
            timeout=self.timeout,
            cpk=self.cpk,
        )
        return BlobBlock(block_id)

    def _upload_substream_block(self, block_id, block_stream):
        try:
github Azure / azure-sdk-for-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
timeout=self.timeout,
                range=content_range,
                lease_access_conditions=self.lease_access_conditions,
                modified_access_conditions=self.modified_access_conditions,
                validate_content=self.validate_content,
                cls=return_response_headers,
                **self.request_options
            )

            if not self.parallel:
                self.modified_access_conditions = get_modification_conditions(
                    if_match=self.response_headers['ETag'])
        return None


class _AppendBlobChunkUploader(_BlobChunkUploader):

    def _upload_chunk(self, chunk_offset, chunk_data):
        if not hasattr(self, 'current_length'):
            self.response_headers = self.blob_service.append_block(
                chunk_data,
                content_length=len(chunk_data),
                timeout=self.timeout,
                lease_access_conditions=self.lease_access_conditions,
                modified_access_conditions=self.modified_access_conditions,
                validate_content=self.validate_content,
                append_position_access_conditions=self.append_conditions,
                cls=return_response_headers,
                **self.request_options
            )
            self.current_length = int(self.response_headers['x-ms-blob-append-offset'])
        else:
github Azure / azure-sdk-for-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
try:
            self.blob_service.stage_block(
                block_id,
                len(block_stream),
                block_stream,
                validate_content=self.validate_content,
                lease_access_conditions=self.lease_access_conditions,
                timeout=self.timeout,
                **self.request_options
            )
        finally:
            block_stream.close()
        return BlobBlock(block_id)


class _PageBlobChunkUploader(_BlobChunkUploader):

    def _is_chunk_empty(self, chunk_data):
        # read until non-zero byte is encountered
        # if reached the end without returning, then chunk_data is all 0's
        for each_byte in chunk_data:
            if each_byte != 0 and each_byte != b'\x00':
                return False
        return True

    def _upload_chunk(self, chunk_start, chunk_data):
        # avoid uploading the empty pages
        if not self._is_chunk_empty(chunk_data):
            chunk_end = chunk_start + len(chunk_data) - 1
            content_range = 'bytes={0}-{1}'.format(chunk_start, chunk_end)
            computed_md5 = None
            self.response_headers = self.blob_service.upload_pages(
github Azure / azure-storage-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
chunk_start,
                chunk_end,
                validate_content=self.validate_content,
                lease_id=self.lease_id,
                if_match=self.if_match,
                timeout=self.timeout,
                cpk=self.cpk,
            )

            if not self.parallel:
                self.if_match = resp.etag

            self.set_response_properties(resp)


class _AppendBlobChunkUploader(_BlobChunkUploader):
    def _upload_chunk(self, chunk_offset, chunk_data):
        if not hasattr(self, 'current_length'):
            resp = self.blob_service.append_block(
                self.container_name,
                self.blob_name,
                chunk_data,
                validate_content=self.validate_content,
                lease_id=self.lease_id,
                maxsize_condition=self.maxsize_condition,
                timeout=self.timeout,
                if_modified_since=self.if_modified_since,
                if_unmodified_since=self.if_unmodified_since,
                if_match=self.if_match,
                if_none_match=self.if_none_match,
                cpk=self.cpk,
            )
github Azure / azure-storage-python / azure-storage-storage / blob / _upload_chunking.py View on Github external
self.blob_service._put_block(
                self.container_name,
                self.blob_name,
                block_stream,
                block_id,
                validate_content=self.validate_content,
                lease_id=self.lease_id,
                timeout=self.timeout,
                cpk=self.cpk,
            )
        finally:
            block_stream.close()
        return BlobBlock(block_id)


class _PageBlobChunkUploader(_BlobChunkUploader):
    def _is_chunk_empty(self, chunk_data):
        # read until non-zero byte is encountered
        # if reached the end without returning, then chunk_data is all 0's
        for each_byte in chunk_data:
            if each_byte != 0 and each_byte != b'\x00':
                return False
        return True

    def _upload_chunk(self, chunk_start, chunk_data):
        # avoid uploading the empty pages
        if not self._is_chunk_empty(chunk_data):
            chunk_end = chunk_start + len(chunk_data) - 1
            resp = self.blob_service._update_page(
                self.container_name,
                self.blob_name,
                chunk_data,

azure-storage-blob

Microsoft Azure Blob Storage Client Library for Python

MIT
Latest version published 9 days ago

Package Health Score

96 / 100
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