122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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email_ui.py — 一键群发工具 (强化校验版)
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--------------------------------------
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运行: python email_ui.py
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"""
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import os, logging, re, random
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from datetime import datetime
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import gradio as gr
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from send_email_module import send_email
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EMAIL_CONFIG_KEY = "default" # 对应 config/default.json
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LOG_FILE = "email_send_log.txt"
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logging.basicConfig(level=logging.INFO,
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format="%(asctime)s %(levelname)s %(message)s")
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EMAIL_RE = re.compile(r"^[^@\s]+@[^@\s]+\.[^@\s]+$") # 简易邮箱正则
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# -------------------- 工具 --------------------
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def _load_template(file_obj):
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if file_obj is None:
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return ""
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with open(file_obj.name, "r", encoding="utf-8") as f:
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return f.read()
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def _error(msg):
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"""生成统一的红字提示 + 让 state 为空 -> Send 仍锁定"""
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return gr.update(value=f"<p style='color:red'>❌ {msg}</p>"), None
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# -------------------- 预览 --------------------
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def preview_email(to_addrs, subject, html_file, language,
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want_receipt, want_read_receipt):
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# 0. 模板存在
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tpl = _load_template(html_file)
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if not tpl:
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return _error("请先上传 HTML 模板")
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# 1. 收件人非空且格式合法
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raw_addrs = [a.strip() for a in to_addrs.split(",") if a.strip()]
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if not raw_addrs:
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return _error("收件人邮箱不能为空")
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if invalid := [a for a in raw_addrs if not EMAIL_RE.match(a)]:
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return _error(f"邮箱格式非法: {', '.join(invalid)}")
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# 2. 主题非空
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if not subject.strip():
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return _error("主题不能为空")
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# 3. 模板至少包含 {{recipient_name}}
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if "{{recipient_name}}" not in tpl:
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return _error("模板缺少 {{recipient_name}} 占位符")
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# ---- 全部通过，生成预览 ----
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preview = (tpl.replace("{{recipient_name}}", "there")
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.replace("{{recipient_email}}", "example@example.com")
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.replace("{{encoded_recipient_email}}", "ENCODED_EXAMPLE")
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.replace("{{timestamp}}", datetime.now().isoformat()))
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state = {
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"addresses": raw_addrs,
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"subject": subject.strip(),
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"template": tpl,
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"language": language,
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"want_receipt": want_receipt,
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"want_read_receipt": want_read_receipt,
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}
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return gr.update(value=preview), state
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# -------------------- 发送 --------------------
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def send_emails(state):
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if not state:
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return "⚠️ 请先 Preview 成功后再发送。"
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out_lines = []
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for addr in state["addresses"]:
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res = send_email(
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EMAIL_CONFIG_KEY, addr, state["subject"], state["template"], "",
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request_receipt=state["want_receipt"],
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request_read_receipt=state["want_read_receipt"],
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language=state["language"],
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)
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ts = datetime.now().isoformat(timespec="seconds")
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line = f"{ts}\t{addr}\t{res['status']}\t{res['message']}"
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out_lines.append(line)
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with open(LOG_FILE, "a", encoding="utf-8") as f:
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f.write(line + "\n")
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return "<br>".join(out_lines).replace("\n", "<br>")
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# -------------------- Gradio UI --------------------
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with gr.Blocks(css=".gr-button {min-width:8rem}") as demo:
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gr.Markdown("## ✉️ 简易 EDM 群发工具")
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addrs = gr.Textbox(label="收件人（逗号分隔）", placeholder="foo@bar.com, alice@x.com")
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subj = gr.Textbox(label="主题", placeholder="Subject here")
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tpl = gr.File(label="上传 HTML 模板")
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lang = gr.Radio(["english", "chinese"], value="chinese", label="语言")
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with gr.Row():
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rcpt = gr.Checkbox(label="投递回执")
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read_r = gr.Checkbox(label="已读回执")
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preview_btn = gr.Button("Preview ⬇️")
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send_btn = gr.Button("Send (确认发送) ✈️", interactive=False)
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out_html = gr.HTML()
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state_box = gr.State()
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preview_btn.click(
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preview_email,
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[addrs, subj, tpl, lang, rcpt, read_r],
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[out_html, state_box]
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).then(
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lambda s: gr.update(interactive=s is not None),
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inputs=state_box, outputs=send_btn
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)
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send_btn.click(send_emails, state_box, out_html)
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if __name__ == "__main__":
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demo.queue().launch(server_port=7880, show_api=False)
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