| """Business logic services.""" |
|
|
| import logging |
| import re |
|
|
| logger = logging.getLogger(__name__) |
|
|
|
|
| PLACEHOLDER_PATTERN = re.compile(r"\{\{\s*([\w\u4e00-\u9fff][\w\u4e00-\u9fff\.\(\)]*)\s*\}\}") |
|
|
|
|
| def extract_placeholders(file_path: str) -> list[str]: |
| placeholders: set[str] = set() |
|
|
| try: |
| from docxtpl import DocxTemplate |
|
|
| doc = DocxTemplate(file_path) |
| undeclared = doc.get_undeclared_template_variables() |
| placeholders.update(undeclared) |
| except Exception: |
| logger.exception("操作失败") |
|
|
| pass |
|
|
| try: |
| from docx import Document |
|
|
| word_doc = Document(file_path) |
| for para in word_doc.paragraphs: |
| placeholders.update(PLACEHOLDER_PATTERN.findall(para.text)) |
|
|
| for table in word_doc.tables: |
| for row in table.rows: |
| for cell in row.cells: |
| placeholders.update(PLACEHOLDER_PATTERN.findall(cell.text)) |
| except Exception: |
| logger.exception("操作失败") |
|
|
| pass |
|
|
| return sorted(list(placeholders)) |
|
|
