545 lines
21 KiB
Python
545 lines
21 KiB
Python
# -*- coding: utf-8 -*-
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"""DokoGen — Генератор документов из шаблонов DOCX"""
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import os
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import re
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import io
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from datetime import datetime
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from typing import Dict, List, Optional, Callable
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try:
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from docx import Document
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from docx.oxml.ns import qn
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from docx.oxml import OxmlElement
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from lxml import etree
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except ImportError:
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Document = None
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from .variables import OLD_VAR_MAP, OLD_VAR_PATTERN, VAR_PATTERN
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# Стандартный шаблон для незаполненных переменных
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EMPTY_MARKER = '—'
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def process_template(
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template_path: str,
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replacements: Dict[str, str],
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output_path: Optional[str] = None,
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log_func: Optional[Callable] = None,
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) -> str:
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"""Обрабатывает шаблон DOCX: подстановка переменных, циклы, сохранение."""
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if Document is None:
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raise ImportError("python-docx не установлен. Установите: pip install python-docx")
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if not os.path.exists(template_path):
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raise FileNotFoundError(f"Шаблон не найден: {template_path}")
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if output_path is None:
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base, ext = os.path.splitext(template_path)
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output_path = f"{base}_result{ext}"
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doc = Document(template_path)
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# 1. Миграция старых переменных <...> → {{...}}
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_migrate_old_vars(doc)
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# 2. Удаление proofErr
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_strip_prooferr(doc)
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# 3. Обработка циклов (loop/loop_end)
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loops = replacements.pop('_loops', {})
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if loops:
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_merge_runs_for_loops(doc)
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_process_loops(doc, loops)
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# 4. Перезагрузка после циклов
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buf = io.BytesIO()
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doc.save(buf)
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buf.seek(0)
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doc = Document(buf)
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# 5. Плоская замена переменных (3 прохода)
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for _ in range(3):
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_replace_in_paragraphs(doc.paragraphs, replacements)
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_replace_in_tables(doc.tables, replacements)
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_replace_in_headers_footers(doc, replacements)
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# 6. Логирование незаменённых переменных
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_log_unmatched(doc, replacements, log_func if log_func else lambda x: None)
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# 7. Подсветка незаполненных
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_highlight_unmatched(doc)
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# 8. Сохранение
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doc.save(output_path)
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if log_func:
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log_func(f"✅ {os.path.basename(output_path)}")
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return output_path
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def _log_unmatched(doc, replacements=None, log_func=None):
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"""Логирует незаменённые переменные в документе."""
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import re
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unmatched = []
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seen = set()
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for para in doc.paragraphs:
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for m in re.finditer(r'\{\{[^}]+\}\}|<[A-Za-z0-9_]+>', para.text):
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var = m.group(0)
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if var not in seen:
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seen.add(var)
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unmatched.append(var)
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if log_func and unmatched:
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log_func(f"\u26a0\ufe0f Незаменённые переменные ({len(unmatched)}): {', '.join(unmatched[:20])}{" ..." if len(unmatched) > 20 else ''}")
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if log_func and not unmatched:
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log_func("\u2705 Все переменные успешно заменены")
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return len(unmatched) == 0
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# ==================== МИГРАЦИЯ СТАРЫХ ПЕРЕМЕННЫХ ====================
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def _migrate_old_vars(doc):
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"""Заменяет <OldVar> на {{new_var}} в документе."""
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def _migrate_text(text):
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return OLD_VAR_PATTERN.sub(lambda m: OLD_VAR_MAP.get(m.group(0), m.group(0)), text)
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for para in doc.paragraphs:
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new_text = _migrate_text(para.text)
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if new_text != para.text:
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if para.runs:
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first = para.runs[0]
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para.clear()
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run = para.add_run(new_text)
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_copy_run_style(first, run)
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else:
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para.clear()
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para.add_run(new_text)
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for table in doc.tables:
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for row in table.rows:
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for cell in row.cells:
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for para in cell.paragraphs:
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new_text = _migrate_text(para.text)
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if new_text != para.text:
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if para.runs:
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first = para.runs[0]
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para.clear()
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run = para.add_run(new_text)
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_copy_run_style(first, run)
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else:
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para.clear()
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para.add_run(new_text)
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for section in doc.sections:
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for hf in [section.header, section.footer,
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section.first_page_header, section.first_page_footer]:
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if hf:
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for para in hf.paragraphs:
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new_text = _migrate_text(para.text)
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if new_text != para.text:
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if para.runs:
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first = para.runs[0]
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para.clear()
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run = para.add_run(new_text)
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_copy_run_style(first, run)
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else:
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para.clear()
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para.add_run(new_text)
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# ==================== ЗАМЕНА В ЭЛЕМЕНТАХ ====================
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def _replace_in_paragraphs(paragraphs, replacements):
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for para in paragraphs:
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full = para.text
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# Пропускаем строки циклов
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if 'loop:' in full or 'loop_end' in full:
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continue
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matches = VAR_PATTERN.findall(full)
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if not matches:
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continue
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new_text = full
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for var in matches:
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val = replacements.get(var)
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if val is not None:
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new_text = new_text.replace(var, str(val))
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if new_text != full:
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if para.runs:
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first = para.runs[0]
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para.clear()
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run = para.add_run(new_text)
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_copy_run_style(first, run)
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else:
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para.clear()
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para.add_run(new_text)
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def _replace_in_tables(tables, replacements):
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for table in tables:
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for row in table.rows:
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for cell in row.cells:
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for para in cell.paragraphs:
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full = para.text
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matches = VAR_PATTERN.findall(full)
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if not matches:
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continue
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new_text = full
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for var in matches:
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val = replacements.get(var)
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if val is not None:
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new_text = new_text.replace(var, str(val))
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if new_text != full:
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if para.runs:
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first = para.runs[0]
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para.clear()
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run = para.add_run(new_text)
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_copy_run_style(first, run)
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else:
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para.clear()
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para.add_run(new_text)
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def _replace_in_headers_footers(doc, replacements):
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for section in doc.sections:
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for hf in [section.header, section.footer,
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section.first_page_header, section.first_page_footer]:
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if hf:
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_replace_in_paragraphs(hf.paragraphs, replacements)
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def _copy_run_style(source, target):
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"""Копирует форматирование из одного run в другой."""
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try:
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target.bold = source.bold
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target.italic = source.italic
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target.underline = source.underline
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if source.font:
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target.font.size = source.font.size
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target.font.name = source.font.name
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except Exception:
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pass
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def _strip_prooferr(doc):
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ns = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
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for elem in doc.element.iter():
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for child in list(elem):
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if child.tag == f'{{{ns}}}proofErr':
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elem.remove(child)
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# ==================== ОБРАБОТКА ЦИКЛОВ ====================
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LOOP_START = re.compile(r'(?:<!--|<!--)?\s*loop:(\w+)(?:\s*(?:-->|-->))?')
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LOOP_END = re.compile(r'(?:<!--|<!--)?\s*loop_end(?:\s*(?:-->|-->))?')
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def _merge_runs_for_loops(doc):
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"""Склеивает текст в runs, чтобы <!-- loop:x --> не был разбит на части."""
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ns = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
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for para in doc.paragraphs:
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full = para.text
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if 'loop:' not in full and 'loop_end' not in full:
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continue
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# В этом параграфе есть маркер цикла — склеиваем все runs в один
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if len(para.runs) <= 1:
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continue
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# Проверяем, не разбит ли маркер
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for run in para.runs:
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if 'loop:' in run.text or 'loop_end' in run.text:
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# Маркер есть, но возможно разбит — склеиваем
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combined = para.text
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para.clear()
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para.add_run(combined)
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break
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LOOP_FINDER = re.compile(r'<!--\s*loop:(\w+)\s*-->')
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LOOP_END_FINDER = re.compile(r'<!--\s*loop_end\s*-->')
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def _expand_loops_in_template(template_path):
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"""Обрабатывает циклы на уровне XML документа до загрузки python-docx.
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Работает напрямую с word/document.xml в ZIP-архиве."""
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import tempfile
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# Временная копия
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tmp = tempfile.NamedTemporaryFile(delete=False, suffix='.docx')
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tmp.close()
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shutil.copy2(template_path, tmp.name)
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# Читаем document.xml
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import zipfile as zf
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with zf.ZipFile(tmp.name, 'r') as zin:
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doc_xml = zin.read('word/document.xml').decode('utf-8')
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max_passes = 20
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for _ in range(max_passes):
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# Ищем все маркеры циклов
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starts = list(LOOP_FINDER.finditer(doc_xml))
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ends = list(LOOP_END_FINDER.finditer(doc_xml))
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if not starts:
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break
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# Внешний цикл = первый start
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outer = starts[0]
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key = outer.group(1)
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# Соответствующий end = последний end, который после outer
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outer_end = None
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for e in reversed(ends):
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if e.start() > outer.start():
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outer_end = e
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break
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if outer_end is None:
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break
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# Извлекаем шаблон (текст между маркерами)
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template_start = outer.end()
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template_end = outer_end.start()
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template = doc_xml[template_start:template_end]
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# Заменяем в шаблоне маркеры ключа (но не трогаем вложенные loop:)
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# Удаляем только start и end маркеры этого цикла
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# loop_end убираем только последний (он принадлежит внешнему циклу)
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# loop_start этого ключа убираем все вхождения
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# Найдём и удалим ТОЛЬКО start маркер для этого ключа
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template = template.replace(f'<!-- loop:{key} -->', '', 1) # только первый
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# Найдём и удалим ТОЛЬКО последний loop_end
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last_end = template.rfind('<!-- loop_end -->')
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if last_end >= 0:
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template = template[:last_end] + template[last_end + len('<!-- loop_end -->'):]
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# Данные для цикла берём из replacements (передаются позже)
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# Пока просто помечаем позицию для последующей обработки
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# Вставляем placeholder для замены
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marker = f'__LOOP_{key}_EXPANDED__'
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# Размножаем шаблон (1 копия, потом замена в process_template)
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expanded = ''
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for i in range(10): # макс 10, реально заменится позже
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expanded += template
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# Собираем новый XML
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new_xml = doc_xml[:outer.start()] + '__LOOP_BLOCK__' + key + '__' + doc_xml[outer_end.end():]
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doc_xml = new_xml
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# Сохраняем
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with zf.ZipFile(tmp.name, 'w', zf.ZIP_DEFLATED) as zout:
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zout.writestr('word/document.xml', doc_xml.encode('utf-8'))
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return tmp.name
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def _process_loops(doc, loops):
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# loops passed directly
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LOOP_START_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop:([\w]+)(?:\s*(?:-->|-->))?')
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LOOP_END_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop_end(?:\s*(?:-->|-->))?')
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body = doc.element.body
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max_passes = 20
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for _ in range(max_passes):
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body_str = etree.tostring(body, encoding='unicode')
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found_keys = set()
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for m in LOOP_START_LOOSE.finditer(body_str):
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found_keys.add(m.group(1).replace(' ', ''))
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if not found_keys:
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break
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any_change = False
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for key in sorted(found_keys):
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items = loops.get(key, [])
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if not items:
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_remove_loop_block(body, key)
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any_change = True
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else:
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_expand_loop(body, key, items)
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any_change = True
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body = doc.element.body
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if not any_change:
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break
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def _expand_loop(body, key, items):
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LOOP_START_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop:([\w]+)(?:\s*(?:-->|-->))?')
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LOOP_END_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop_end(?:\s*(?:-->|-->))?')
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body_str = etree.tostring(body, encoding='unicode')
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markers = []
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start_marker_end = None
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for m in LOOP_START_LOOSE.finditer(body_str):
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if m.group(1).replace(' ', '') == key:
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markers.append((m.start(), True))
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if start_marker_end is None:
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start_marker_end = m.end()
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for m in LOOP_END_LOOSE.finditer(body_str):
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markers.append((m.start(), False))
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if len(markers) < 2:
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return
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markers.sort()
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start_pos = end_pos = None
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for pos, is_start in markers:
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if is_start and start_pos is None:
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start_pos = pos
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elif not is_start and start_pos is not None:
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end_pos = pos
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break
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if start_pos is None or end_pos is None:
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return
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start_elem_start, start_elem_end, start_type = _find_struct_element(body_str, start_pos)
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end_elem_start, end_elem_end, end_type = _find_struct_element(body_str, end_pos)
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if start_type is None or end_type is None:
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return
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if start_type != end_type:
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if start_type == 'tr':
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p_s = body_str.rfind('<w:p ', 0, start_pos)
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if p_s == -1: p_s = body_str.rfind('<w:p>', 0, start_pos)
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p_e = body_str.find('</w:p>', start_pos)
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if p_s != -1 and p_e != -1:
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start_elem_start, start_elem_end, start_type = p_s, p_e + len('</w:p>'), 'p'
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if end_type == 'tr':
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p_s = body_str.rfind('<w:p ', 0, end_pos)
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if p_s == -1: p_s = body_str.rfind('<w:p>', 0, end_pos)
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p_e = body_str.find('</w:p>', end_pos)
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if p_s != -1 and p_e != -1:
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end_elem_start, end_elem_end, end_type = p_s, p_e + len('</w:p>'), 'p'
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if start_type != end_type:
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return
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is_inline = (start_elem_start == end_elem_start)
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p_open_wrap = p_close_wrap = ''
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if is_inline and start_marker_end is not None:
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template_xml = body_str[start_marker_end:end_pos]
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p_elem_str = body_str[start_elem_start:start_elem_end]
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gt_pos = p_elem_str.find('>')
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p_open_wrap = p_elem_str[:gt_pos+1] if 'xmlns' in p_elem_str[:gt_pos] else '<w:p xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">'
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p_close_wrap = '</w:p>'
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else:
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template_xml = body_str[start_elem_end:end_elem_start]
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inner_start_pattern = re.compile(r'(?:<!--|<!--)?\s*' + re.escape('loop:' + key) + r'(?:\s*(?:-->|-->))?')
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template_xml = inner_start_pattern.sub('', template_xml)
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# Удаляем только последний loop_end (наружный цикл)
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last_le = template_xml.rfind('loop_end')
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if last_le >= 0:
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ms = template_xml.rfind('<!--', 0, last_le)
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me = template_xml.find('-->', last_le) + 3
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if ms >= 0:
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template_xml = template_xml[:ms] + template_xml[me:]
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expanded_parts = []
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for idx, item in enumerate(items, 1):
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clone = template_xml
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for field, value in item.items():
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clone = clone.replace(f'{{{{item.{field}}}}}', str(value) if value else '—')
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clone = clone.replace(f'{{{{{field}}}}}', str(value) if value else '—')
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clone = clone.replace('{{item.number}}', str(idx))
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clone = clone.replace('{{loop.number}}', str(idx))
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clone = clone.replace('{{number}}', str(idx))
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clone = clone.replace('⟪BR⟫', '</w:t><w:br/><w:t xml:space="preserve">')
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if is_inline:
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clone = p_open_wrap + '<w:r><w:t xml:space="preserve">' + clone + '</w:t></w:r>' + p_close_wrap
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expanded_parts.append(clone)
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new_body_str = body_str[:start_elem_start] + ''.join(expanded_parts) + body_str[end_elem_end:]
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try:
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new_body = etree.fromstring(new_body_str.encode('utf-8'))
|
||
parent = body.getparent()
|
||
if parent is not None:
|
||
parent.replace(body, new_body)
|
||
except Exception as e:
|
||
pass
|
||
|
||
def _remove_loop_block(body, key):
|
||
LOOP_START_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop:([\w]+)(?:\s*(?:-->|-->))?')
|
||
LOOP_END_LOOSE = re.compile(r'(?:<!--|<!--)?\s*loop_end(?:\s*(?:-->|-->))?')
|
||
body_str = etree.tostring(body, encoding='unicode')
|
||
start_pos = -1
|
||
for m in LOOP_START_LOOSE.finditer(body_str):
|
||
if m.group(1).replace(' ', '') == key:
|
||
start_pos = m.start()
|
||
break
|
||
if start_pos == -1:
|
||
return
|
||
start_elem_start, start_elem_end, _ = _find_struct_element(body_str, start_pos)
|
||
end_match = LOOP_END_LOOSE.search(body_str, start_pos)
|
||
if not end_match:
|
||
new_body_str = body_str[:start_elem_start] + body_str[start_elem_end:]
|
||
else:
|
||
end_pos = end_match.start()
|
||
_, end_elem_end, _ = _find_struct_element(body_str, end_pos)
|
||
new_body_str = body_str[:start_elem_start] + body_str[end_elem_end:]
|
||
try:
|
||
new_body = etree.fromstring(new_body_str.encode('utf-8'))
|
||
parent = body.getparent()
|
||
if parent is not None:
|
||
parent.replace(body, new_body)
|
||
except Exception:
|
||
pass
|
||
|
||
def _find_struct_element(xml_str, pos):
|
||
tr_open = xml_str.rfind('<w:tr ', 0, pos)
|
||
if tr_open == -1:
|
||
tr_open = xml_str.rfind('<w:tr>', 0, pos)
|
||
if tr_open != -1:
|
||
tr_close = xml_str.find('</w:tr>', pos)
|
||
if tr_close != -1 and tr_close > pos:
|
||
return (tr_open, tr_close + len('</w:tr>'), 'tr')
|
||
p_open = xml_str.rfind('<w:p ', 0, pos)
|
||
p_open2 = xml_str.rfind('<w:p>', 0, pos)
|
||
if p_open2 > p_open:
|
||
p_open = p_open2
|
||
if p_open != -1:
|
||
p_close = xml_str.find('</w:p>', pos)
|
||
if p_close != -1 and p_close > pos:
|
||
return (p_open, p_close + len('</w:p>'), 'p')
|
||
return (pos, pos, None)
|
||
|
||
|
||
|
||
def _remove_paras_range(doc, start_idx, end_idx):
|
||
"""Удаляет параграфы от start_idx до end_idx включительно."""
|
||
for idx in range(end_idx, start_idx - 1, -1):
|
||
if idx < len(doc.paragraphs):
|
||
el = doc.paragraphs[idx]._element
|
||
el.getparent().remove(el)
|
||
|
||
def _highlight_unmatched(doc):
|
||
"""Подсвечивает незаполненные переменные красным ({{...}} и старые <...>)."""
|
||
ns = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
|
||
|
||
def _has_unmatched(text):
|
||
return bool(UNMATCHED_PATTERN.search(text))
|
||
|
||
def _highlight_run(run):
|
||
rpr = run._element.find(f'{{{ns}}}rPr')
|
||
if rpr is None:
|
||
rpr = OxmlElement('w:rPr')
|
||
run._element.insert(0, rpr)
|
||
color = OxmlElement('w:color')
|
||
color.set(f'{{{ns}}}val', 'FF0000')
|
||
rpr.append(color)
|
||
sz = OxmlElement('w:sz')
|
||
sz.set(f'{{{ns}}}val', '22')
|
||
rpr.append(sz)
|
||
|
||
for para in doc.paragraphs:
|
||
for run in para.runs:
|
||
if _has_unmatched(run.text):
|
||
_highlight_run(run)
|
||
|
||
for table in doc.tables:
|
||
for row in table.rows:
|
||
for cell in row.cells:
|
||
for para in cell.paragraphs:
|
||
for run in para.runs:
|
||
if _has_unmatched(run.text):
|
||
_highlight_run(run)
|
||
|
||
for section in doc.sections:
|
||
for hf in [section.header, section.footer]:
|
||
if hf:
|
||
for para in hf.paragraphs:
|
||
for run in para.runs:
|
||
if _has_unmatched(run.text):
|
||
_highlight_run(run)
|