| import os |
| import io |
| import traceback |
| import re |
| from flask import Flask, request, send_file, render_template |
| from flask_cors import CORS |
|
|
| from docx import Document |
| from docx.enum.text import WD_ALIGN_PARAGRAPH |
| from docx.shared import Pt |
| from weasyprint import HTML, CSS |
| import arabic_reshaper |
| from bidi.algorithm import get_display |
| import markdown |
| from htmldocx import HtmlToDocx |
|
|
| app = Flask(__name__) |
| CORS(app) |
|
|
| BASE_DIR = os.path.dirname(os.path.abspath(__file__)) |
| FONT_FILE_NAME = "Vazirmatn-Regular.ttf" |
| FOOTER_TEXT = "هوش مصنوعی آلفا دانلود از گوگل پلی" |
|
|
| def get_line_direction(line): |
| if not line or line.isspace(): return 'ltr' |
| rtl_pattern = re.compile(r'[\u0600-\u06FF\u0750-\u077F]') |
| return 'rtl' if rtl_pattern.search(line) else 'ltr' |
|
|
| def reshape_rtl_text(text): |
| |
| reshaped_text = arabic_reshaper.reshape(text) |
| return get_display(reshaped_text) |
|
|
| def get_base_html_for_conversion(text_content): |
| raw_html = markdown.markdown( |
| text_content, |
| extensions=['extra', 'tables', 'nl2br', 'sane_lists'] |
| ) |
| reshaped_html = arabic_reshaper.reshape(raw_html) |
| |
| tags_to_rtl =['p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ul', 'ol', 'li', 'table', 'th', 'td'] |
| for tag in tags_to_rtl: |
| pattern = re.compile(rf'<{tag}(?P<attrs>\s[^>]*)?>', re.IGNORECASE) |
| def replacer(match): |
| attrs = match.group('attrs') or '' |
| if 'dir="ltr"' in attrs.lower() or 'style="text-align: left' in attrs.lower(): |
| return match.group(0) |
| return f'<{tag}{attrs} style="text-align: right; direction: rtl; font-family: Vazir, sans-serif;">' |
| reshaped_html = pattern.sub(replacer, reshaped_html) |
| |
| return reshaped_html |
|
|
| def create_docx(text_content): |
| try: |
| document = Document() |
| parser = HtmlToDocx() |
| html_content = get_base_html_for_conversion(text_content) |
| parser.add_html_to_document(html_content, document) |
| |
| document.add_paragraph("") |
| footer_p = document.add_paragraph(FOOTER_TEXT) |
| footer_p.alignment = WD_ALIGN_PARAGRAPH.CENTER |
| for run in footer_p.runs: |
| run.bold = True |
| |
| buffer = io.BytesIO() |
| document.save(buffer) |
| buffer.seek(0) |
| return buffer |
| except Exception as e: |
| print(f"⚠️ HTML to DOCX Failed: {e}") |
| |
| document = Document() |
| document.styles['Normal'].font.name = 'Arial' |
| |
| for line in text_content.split('\n'): |
| if line.strip(): |
| p = document.add_paragraph(reshape_rtl_text(line)) |
| p.alignment = WD_ALIGN_PARAGRAPH.RIGHT |
| |
| document.add_paragraph("\n") |
| footer_p = document.add_paragraph(FOOTER_TEXT) |
| footer_p.alignment = WD_ALIGN_PARAGRAPH.CENTER |
| for run in footer_p.runs: run.bold = True |
|
|
| buffer = io.BytesIO() |
| document.save(buffer) |
| buffer.seek(0) |
| return buffer |
|
|
| def create_pdf_with_weasyprint(text_content): |
| html_body = get_base_html_for_conversion(text_content) |
| reshaped_footer = FOOTER_TEXT |
| |
| full_html = f""" |
| <!DOCTYPE html><html lang="fa"><head><meta charset="UTF-8"><title>Exported PDF</title> |
| <style> |
| @font-face {{ font-family: 'Vazir'; src: url('{FONT_FILE_NAME}'); }} |
| body {{ font-family: 'Vazir', sans-serif; font-size: 12pt; line-height: 1.8; color: #111; }} |
| h1 {{ font-size: 24pt; color: #0d5c75; border-bottom: 2px solid #0d5c75; padding-bottom: 5px; margin-top: 30px; margin-bottom: 15px; }} |
| h2 {{ font-size: 20pt; color: #1a7b9c; margin-top: 25px; margin-bottom: 10px; }} |
| h3 {{ font-size: 16pt; color: #222; margin-top: 20px; }} |
| h4, h5, h6 {{ font-size: 14pt; color: #333; font-weight: bold; }} |
| strong, b {{ font-weight: bold; color: #000; }} |
| em, i {{ font-style: italic; color: #444; }} |
| blockquote {{ border-right: 4px solid #1095c1; margin: 15px 0; padding: 10px 15px 10px 0; color: #555; background-color: #f7fbff; border-radius: 4px; }} |
| code {{ font-family: monospace; background-color: #f1f1f1; padding: 2px 6px; border-radius: 4px; font-size: 11pt; direction: ltr; display: inline-block; color: #c7254e; word-wrap: break-word; }} |
| pre {{ background-color: #f8f9fa; padding: 15px; border-radius: 6px; border: 1px solid #e1e1e8; direction: ltr; text-align: left; overflow-x: auto; white-space: pre-wrap; }} |
| pre code {{ background-color: transparent; padding: 0; color: #333; }} |
| table {{ border-collapse: collapse; width: 100%; margin-top: 20px; margin-bottom: 20px; }} |
| th, td {{ border: 1px solid #ccc; padding: 10px; text-align: right; }} |
| th {{ background-color: #e9ecef; font-weight: bold; }} |
| p {{ margin: 0 0 12px 0; padding: 0; text-align: justify; }} |
| .footer {{ margin-top: 50px; padding-top: 15px; border-top: 2px solid #1095c1; text-align: center; color: #1095c1; font-size: 11pt; font-weight: bold; font-family: 'Vazir', sans-serif; page-break-inside: avoid; }} |
| </style></head><body>{html_body} |
| <div class="footer">{reshaped_footer}</div></body></html> |
| """ |
| try: |
| html = HTML(string=full_html, base_url=BASE_DIR) |
| return io.BytesIO(html.write_pdf()) |
| except Exception as e: |
| print(f"🔥🔥🔥 WEASYPRINT FAILED! 🔥🔥🔥\n{e}") |
| |
| return create_txt("خطا در ساخت PDF به دلیل پیچیدگی متن. لطفا از فایل DOCX استفاده کنید.\n\n" + text_content) |
|
|
| def create_txt(text_content): |
| full_content = f"{text_content}\n\n\n---\n{FOOTER_TEXT}" |
| return io.BytesIO(full_content.encode('utf-8')) |
|
|
| def create_html(text_content): |
| html_body = get_base_html_for_conversion(text_content) |
| reshaped_footer = FOOTER_TEXT |
| full_html = f""" |
| <!DOCTYPE html><html lang="fa"><head><meta charset="UTF-8"><title>Exported File</title> |
| <style> |
| body {{ font-size: 12pt; line-height: 1.8; max-width: 800px; margin: 2rem auto; padding: 2rem; border: 1px solid #ddd; font-family: sans-serif; direction: rtl; color: #222; }} |
| h1 {{ color: #0d5c75; border-bottom: 2px solid #ddd; padding-bottom: 5px; }} |
| h2 {{ color: #1a7b9c; }} |
| blockquote {{ border-right: 4px solid #1095c1; margin: 0; padding-right: 15px; background: #f9f9f9; padding: 10px; }} |
| code {{ font-family: monospace; background-color: #f4f4f4; padding: 2px 5px; border-radius: 4px; direction: ltr; display: inline-block; color: #c7254e; word-wrap: break-word; }} |
| pre {{ background-color: #f4f4f4; padding: 15px; border-radius: 5px; direction: ltr; text-align: left; overflow-x: auto; white-space: pre-wrap; }} |
| table {{ border-collapse: collapse; width: 100%; }} |
| th, td {{ border: 1px solid #ddd; padding: 8px; }} |
| th {{ background-color: #f2f2f2; }} |
| p {{ margin: 0 0 10px 0; text-align: justify; }} |
| .footer {{ margin-top: 3rem; padding-top: 1rem; border-top: 2px solid #1095c1; text-align: center; color: #1095c1; font-weight: bold; font-size: 11pt; }} |
| </style></head><body>{html_body} |
| <div class="footer">{reshaped_footer}</div></body></html> |
| """ |
| return io.BytesIO(full_html.encode('utf-8')) |
|
|
| def process_request(content, file_format): |
| actions = {'pdf': create_pdf_with_weasyprint, 'docx': create_docx, 'html': create_html, 'txt': create_txt} |
| buffer_func = actions.get(file_format, create_txt) |
| buffer = buffer_func(content) |
| mimetypes = {'pdf': 'application/pdf', 'docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'html': 'text/html', 'txt': 'text/plain'} |
| mimetype = mimetypes.get(file_format, 'text/plain') |
| filename = f'export.{file_format}' |
| return send_file(buffer, as_attachment=True, download_name=filename, mimetype=mimetype) |
|
|
| @app.route('/', methods=['GET', 'POST', 'HEAD']) |
| def index(): |
| if request.method == 'HEAD': |
| return '', 200 |
|
|
| if request.method == 'POST': |
| content = request.form.get('content') |
| file_format = request.form.get('format', 'txt').lower() |
| if not content: |
| return "لطفا متنی برای تبدیل وارد کنید.", 400 |
| return process_request(content, file_format) |
| |
| return render_template('index.html') |
|
|
| if __name__ == '__main__': |
| app.run(debug=False, host='0.0.0.0', port=7860) |
