collect_python.get_language_text
convert.collect_python.get_language_text(src_bytes, fcb_node)Extract the language tag from a fenced code block.
Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| src_bytes | bytes | UTF-8 encoded document source. | required |
| fcb_node | Node | A fenced_code_block node. |
required |
Returns
| Name | Type | Description |
|---|---|---|
| str or None | The language text, or None if no language was specified. |