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Drawing ID

Together with the owner, the drawing ID is the single most important feature to identify the drawing.

Requesting the Drawing ID

```python

from werk24 import Hook, W24AskTitleBlock from werk24.models.techread import W24TechreadMessage from werk24.utils import w24_read_sync

define a function to read a file and return it as bytes

from . import get_drawing_bytes

def recv_title_block(message: W24TechreadMessage) -> None: """ print the Drawing ID when we received it """ if message.is_successful: print(message.payload_dict.get('drawing_id')) else: print("Exceptions occurred: {message.exceptions}")

if name == "main":

# get your drawing bytes from a file or buffer
drawing_bytes = get_drawing_bytes()

# define what information you want to receive from the API
# and what shall be done when the info is available.
hooks = [Hook(ask=W24AskTitleBlock(), function=recv_title_block)]

# submit the request to the Werk24 API
w24_read_sync(drawing_bytes, hooks)

```

Example Response

json "drawing_id": { "blurb": "Drawing ID / Zeichnungs Nr.: 037999-001-01", "names": [ { "language": "eng", "text": "Drawing ID" }, { "language": "deu", "text": "Zeichnungs Nr." } ], "value": "037999-001-01" }

Error Handling

Things do not always run smoothly. When you request the Drawing ID, the following exceptions might be triggered.

Exception Type Level Description
DRAWING_FILE_FORMAT_UNSUPPORTED ERROR The drawing could not be read in any of the supported file formats. Refer to Limitations/DrawingFileFormats for details.
DRAWING_FILE_SIZE_TOO_LARGE ERROR The drawing exceeded the file size limit. Refer to Limitations/DrawingFileSize for details.
DRAWING_RESOLUTION_TOO_LOW ERROR The drawing has a low resolution and could not be read. Refer to Limitations/DrawngResolution for details.
DRAWING_CONTENT_NOT_UNDERSTOOD ERROR The file could not be interpreted as Technical Drawing or does not contain a TitleBlock.

Model

Refer to W24CaptionValuePair