import tkinter as tk from tkinter import ttk, messagebox, scrolledtext import smtplib import imaplib import email from email.mime.text import MIMEText from email.mime.multipart import MIMEMultipart from email.header import decode_header import threading import os class App40: """メールクライアント UI""" def __init__(self, root): self.root = root self.root.title("メールクライアント UI") self.root.geometry("1000x857") self.root.minsize(1000, 857) self.root.configure(bg="#f8f9fc") self._messages = [] self._imap = None self._build_ui() def _build_ui(self): header = tk.Frame(self.root, bg="#1a237e", pady=8) header.pack(fill=tk.X) tk.Label(header, text="📧 メールクライアント UI", font=("Noto Sans JP", 13, "bold"), bg="#1a237e", fg="white").pack(side=tk.LEFT, padx=12) notebook = ttk.Notebook(self.root) notebook.pack(fill=tk.BOTH, expand=True, padx=6, pady=6) # ── 受信タブ ────────────────────────────────────────────── recv_tab = tk.Frame(notebook, bg="#f8f9fc") notebook.add(recv_tab, text="📥 受信") self._build_recv_tab(recv_tab) # ── 送信タブ ────────────────────────────────────────────── send_tab = tk.Frame(notebook, bg="#f8f9fc") notebook.add(send_tab, text="✉ 送信") self._build_send_tab(send_tab) # ── アカウント設定タブ ──────────────────────────────────── settings_tab = tk.Frame(notebook, bg="#f8f9fc") notebook.add(settings_tab, text="⚙ 設定") self._build_settings_tab(settings_tab) self.status_var = tk.StringVar(value="設定タブでアカウントを設定してください") tk.Label(self.root, textvariable=self.status_var, bg="#dde", font=("Arial", 9), anchor="w", padx=8 ).pack(fill=tk.X, side=tk.BOTTOM) # ── 受信タブ ────────────────────────────────────────────────── def _build_recv_tab(self, parent): # ツールバー bar = tk.Frame(parent, bg="#f8f9fc") bar.pack(fill=tk.X, padx=8, pady=6) ttk.Button(bar, text="🔄 メールを取得", command=self._fetch_mail).pack(side=tk.LEFT, padx=4) tk.Label(bar, text="フォルダ:", bg="#f8f9fc", font=("Arial", 9)).pack(side=tk.LEFT, padx=(12, 2)) self.folder_var = tk.StringVar(value="INBOX") self.folder_cb = ttk.Combobox(bar, textvariable=self.folder_var, values=["INBOX", "Sent", "Drafts", "Trash"], width=14) self.folder_cb.pack(side=tk.LEFT, padx=4) tk.Label(bar, text="件数:", bg="#f8f9fc", font=("Arial", 9)).pack(side=tk.LEFT, padx=(8, 2)) self.fetch_count_var = tk.IntVar(value=20) ttk.Spinbox(bar, from_=5, to=200, textvariable=self.fetch_count_var, width=5).pack(side=tk.LEFT) # メール一覧 + 本文 paned = ttk.PanedWindow(parent, orient=tk.VERTICAL) paned.pack(fill=tk.BOTH, expand=True, padx=8) # メール一覧 list_f = tk.Frame(paned, bg="#f8f9fc") paned.add(list_f, weight=1) cols = ("from_", "subject", "date", "size") self.mail_tree = ttk.Treeview(list_f, columns=cols, show="headings", height=8) for c, h, w in [("from_", "差出人", 180), ("subject", "件名", 300), ("date", "日時", 140), ("size", "サイズ", 70)]: self.mail_tree.heading(c, text=h) self.mail_tree.column(c, width=w, minwidth=40) sb = ttk.Scrollbar(list_f, command=self.mail_tree.yview) self.mail_tree.configure(yscrollcommand=sb.set) sb.pack(side=tk.RIGHT, fill=tk.Y) self.mail_tree.pack(fill=tk.BOTH, expand=True) self.mail_tree.bind("<>", self._on_mail_select) self.mail_tree.tag_configure("unread", font=("Arial", 10, "bold")) self.mail_tree.tag_configure("read", font=("Arial", 10)) # 本文 body_f = ttk.LabelFrame(paned, text="本文", padding=4) paned.add(body_f, weight=2) # ヘッダー情報 self.mail_header_var = tk.StringVar(value="") tk.Label(body_f, textvariable=self.mail_header_var, bg="#e8eaf6", fg="#283593", font=("Arial", 9), anchor="w", padx=6).pack(fill=tk.X, pady=2) self.body_text = tk.Text(body_f, bg="#ffffff", fg="#333", font=("Arial", 11), relief=tk.FLAT, state=tk.DISABLED, wrap=tk.WORD) body_sb = ttk.Scrollbar(body_f, command=self.body_text.yview) self.body_text.configure(yscrollcommand=body_sb.set) body_sb.pack(side=tk.RIGHT, fill=tk.Y) self.body_text.pack(fill=tk.BOTH, expand=True) # 返信ボタン btn_f = tk.Frame(parent, bg="#f8f9fc") btn_f.pack(fill=tk.X, padx=8, pady=4) ttk.Button(btn_f, text="↩ 返信", command=self._reply).pack(side=tk.LEFT, padx=4) ttk.Button(btn_f, text="🗑 削除", command=self._delete_mail).pack(side=tk.LEFT, padx=4) self.recv_progress = ttk.Progressbar(parent, mode="indeterminate") self.recv_progress.pack(fill=tk.X, padx=8, pady=2) # ── 送信タブ ────────────────────────────────────────────────── def _build_send_tab(self, parent): lbl_s = {"bg": "#f8f9fc", "font": ("Arial", 10)} for lbl, attr, show in [("宛先 (To):", "to_var", ""), ("CC:", "cc_var", ""), ("件名:", "subject_var", "")]: row = tk.Frame(parent, bg="#f8f9fc") row.pack(fill=tk.X, padx=8, pady=3) tk.Label(row, text=lbl, width=12, anchor="e", **lbl_s).pack(side=tk.LEFT) var = tk.StringVar() setattr(self, attr, var) ttk.Entry(row, textvariable=var, width=60).pack(side=tk.LEFT, padx=4, fill=tk.X, expand=True) # 本文 tk.Label(parent, text="本文:", **lbl_s).pack(anchor="w", padx=8, pady=2) self.send_body = tk.Text(parent, bg="#ffffff", fg="#333", font=("Arial", 11), relief=tk.FLAT, height=16) sb = ttk.Scrollbar(parent, command=self.send_body.yview) self.send_body.configure(yscrollcommand=sb.set) sb.pack(side=tk.RIGHT, fill=tk.Y) self.send_body.pack(fill=tk.BOTH, expand=True, padx=8, pady=4) btn_f = tk.Frame(parent, bg="#f8f9fc") btn_f.pack(fill=tk.X, padx=8, pady=4) ttk.Button(btn_f, text="📤 送信", command=self._send_mail).pack(side=tk.LEFT, padx=4) ttk.Button(btn_f, text="🗑 クリア", command=self._clear_compose).pack(side=tk.LEFT, padx=4) self.send_progress = ttk.Progressbar(parent, mode="indeterminate") self.send_progress.pack(fill=tk.X, padx=8, pady=2) # ── 設定タブ ────────────────────────────────────────────────── def _build_settings_tab(self, parent): lbl_s = {"bg": "#f8f9fc", "font": ("Arial", 10)} # 送信 (SMTP) smtp_f = ttk.LabelFrame(parent, text="SMTP設定（送信）", padding=10) smtp_f.pack(fill=tk.X, padx=8, pady=6) for lbl, attr, val, show in [ ("SMTPサーバー:", "smtp_host_var", "smtp.gmail.com", ""), ("ポート:", "smtp_port_var", "587", ""), ("ユーザー:", "smtp_user_var", "", ""), ("パスワード:", "smtp_pass_var", "", "*"), ]: row = tk.Frame(smtp_f, bg=ttk.Style().lookup("TLabelframe", "background")) row.pack(fill=tk.X, pady=2) tk.Label(row, text=lbl, width=16, anchor="e", bg=row.cget("bg"), font=("Arial", 10)).pack(side=tk.LEFT) var = tk.StringVar(value=val) setattr(self, attr, var) ttk.Entry(row, textvariable=var, width=34, show=show).pack(side=tk.LEFT, padx=4) self.smtp_tls_var = tk.BooleanVar(value=True) ttk.Checkbutton(smtp_f, text="TLS/STARTTLS を使用", variable=self.smtp_tls_var).pack(anchor="w") # 受信 (IMAP) imap_f = ttk.LabelFrame(parent, text="IMAP設定（受信）", padding=10) imap_f.pack(fill=tk.X, padx=8, pady=6) for lbl, attr, val, show in [ ("IMAPサーバー:", "imap_host_var", "imap.gmail.com", ""), ("ポート:", "imap_port_var", "993", ""), ]: row = tk.Frame(imap_f, bg=ttk.Style().lookup("TLabelframe", "background")) row.pack(fill=tk.X, pady=2) tk.Label(row, text=lbl, width=16, anchor="e", bg=row.cget("bg"), font=("Arial", 10)).pack(side=tk.LEFT) var = tk.StringVar(value=val) setattr(self, attr, var) ttk.Entry(row, textvariable=var, width=34, show=show).pack(side=tk.LEFT, padx=4) self.imap_ssl_var = tk.BooleanVar(value=True) ttk.Checkbutton(imap_f, text="SSL を使用", variable=self.imap_ssl_var).pack(anchor="w") # メモ tk.Label(parent, text="※ Gmailの場合はアプリパスワードを使用してください。\n" " Google アカウント → セキュリティ → アプリパスワードで生成。", bg="#fff3cd", fg="#856404", font=("Arial", 9), anchor="w", padx=8, justify=tk.LEFT).pack(fill=tk.X, padx=8, pady=4) ttk.Button(parent, text="💾 設定を保存 / 接続テスト", command=self._test_connection).pack(padx=8, pady=4) # ── メール操作 ──────────────────────────────────────────────── def _fetch_mail(self): host = self.imap_host_var.get().strip() if not host: messagebox.showwarning("警告", "設定タブでIMAPサーバーを設定してください") return self.recv_progress.start(10) self.status_var.set("メール取得中...") threading.Thread(target=self._do_fetch_mail, daemon=True).start() def _do_fetch_mail(self): try: host = self.imap_host_var.get().strip() port = int(self.imap_port_var.get() or 993) user = self.smtp_user_var.get().strip() passwd = self.smtp_pass_var.get() folder = self.folder_var.get() count = self.fetch_count_var.get() if self.imap_ssl_var.get(): imap = imaplib.IMAP4_SSL(host, port) else: imap = imaplib.IMAP4(host, port) imap.login(user, passwd) imap.select(folder) # 最新N件のIDを取得 _, data = imap.search(None, "ALL") ids = data[0].split() fetch_ids = ids[-count:] if len(ids) >= count else ids fetch_ids = list(reversed(fetch_ids)) messages = [] for uid in fetch_ids: _, msg_data = imap.fetch(uid, "(RFC822.SIZE FLAGS RFC822.HEADER)") if not msg_data or not msg_data[0]: continue raw_header = None size = 0 flags = "" for part in msg_data: if isinstance(part, tuple): info = part[0].decode() if "RFC822.SIZE" in info: import re m = re.search(r"RFC822\.SIZE (\d+)", info) if m: size = int(m.group(1)) if "FLAGS" in info: flags = info raw_header = part[1] if raw_header is None: continue try: msg = email.message_from_bytes(raw_header) from_ = self._decode_header(msg.get("From", "")) subject = self._decode_header(msg.get("Subject", "")) date = msg.get("Date", "")[:25] unread = "\\Seen" not in flags messages.append({ "uid": uid, "from": from_, "subject": subject, "date": date, "size": size, "unread": unread, }) except Exception: pass self._imap = imap self._messages = messages self.root.after(0, self._show_mail_list, messages) except Exception as e: self.root.after(0, self.recv_progress.stop) self.root.after(0, self.status_var.set, f"取得エラー: {e}") def _show_mail_list(self, messages): self.recv_progress.stop() self.mail_tree.delete(*self.mail_tree.get_children()) for msg in messages: tag = "unread" if msg.get("unread") else "read" self.mail_tree.insert("", "end", iid=str(msg["uid"]), values=(msg["from"][:30], msg["subject"][:60], msg["date"], self._fmt_size(msg["size"])), tags=(tag,)) self.status_var.set(f"{len(messages)} 件取得") def _on_mail_select(self, event): sel = self.mail_tree.selection() if not sel or not self._imap: return uid = sel[0].encode() threading.Thread(target=self._load_mail_body, args=(uid,), daemon=True).start() def _load_mail_body(self, uid): try: _, data = self._imap.fetch(uid, "(RFC822)") if not data or not data[0]: return raw = data[0][1] msg = email.message_from_bytes(raw) from_ = self._decode_header(msg.get("From", "")) subject = self._decode_header(msg.get("Subject", "")) date = msg.get("Date", "") body = self._extract_body(msg) self.root.after(0, self._show_body, from_, subject, date, body) except Exception as e: self.root.after(0, self.status_var.set, f"本文取得エラー: {e}") def _extract_body(self, msg): body = "" if msg.is_multipart(): for part in msg.walk(): ct = part.get_content_type() cd = str(part.get("Content-Disposition") or "") if ct == "text/plain" and "attachment" not in cd: payload = part.get_payload(decode=True) if payload: charset = part.get_content_charset() or "utf-8" body = payload.decode(charset, errors="replace") break else: payload = msg.get_payload(decode=True) if payload: charset = msg.get_content_charset() or "utf-8" body = payload.decode(charset, errors="replace") return body def _show_body(self, from_, subject, date, body): self.mail_header_var.set(f"From: {from_} | 件名: {subject} | 日付: {date}") self.body_text.config(state=tk.NORMAL) self.body_text.delete("1.0", tk.END) self.body_text.insert("1.0", body) self.body_text.config(state=tk.DISABLED) def _decode_header(self, value): if not value: return "" parts = decode_header(value) decoded = [] for part, enc in parts: if isinstance(part, bytes): decoded.append(part.decode(enc or "utf-8", errors="replace")) else: decoded.append(part) return "".join(decoded) def _reply(self): sel = self.mail_tree.selection() if not sel: return uid = sel[0] msg_data = next((m for m in self._messages if str(m["uid"]) == uid), None) if msg_data: self.to_var.set(msg_data.get("from", "")) self.subject_var.set("Re: " + msg_data.get("subject", "")) def _delete_mail(self): sel = self.mail_tree.selection() if not sel: return if messagebox.askyesno("確認", "選択したメールを削除しますか?") and self._imap: for uid in sel: try: self._imap.store(uid.encode(), "+FLAGS", "\\Deleted") except Exception: pass try: self._imap.expunge() except Exception: pass self._fetch_mail() # ── 送信 ───────────────────────────────────────────────────── def _send_mail(self): to = self.to_var.get().strip() if not to: messagebox.showwarning("警告", "宛先を入力してください") return host = self.smtp_host_var.get().strip() if not host: messagebox.showwarning("警告", "設定タブでSMTPサーバーを設定してください") return self.send_progress.start(10) threading.Thread(target=self._do_send_mail, daemon=True).start() def _do_send_mail(self): try: host = self.smtp_host_var.get().strip() port = int(self.smtp_port_var.get() or 587) user = self.smtp_user_var.get().strip() passwd = self.smtp_pass_var.get() to = self.to_var.get().strip() cc = self.cc_var.get().strip() subject = self.subject_var.get().strip() body = self.send_body.get("1.0", tk.END).strip() msg = MIMEMultipart("alternative") msg["From"] = user msg["To"] = to if cc: msg["Cc"] = cc msg["Subject"] = subject msg.attach(MIMEText(body, "plain", "utf-8")) if self.smtp_tls_var.get(): smtp = smtplib.SMTP(host, port, timeout=15) smtp.ehlo() smtp.starttls() smtp.ehlo() else: smtp = smtplib.SMTP_SSL(host, port, timeout=15) smtp.login(user, passwd) recipients = [to] + ([cc] if cc else []) smtp.sendmail(user, recipients, msg.as_string()) smtp.quit() self.root.after(0, self.send_progress.stop) self.root.after(0, self.status_var.set, f"送信完了: {to}") self.root.after(0, messagebox.showinfo, "完了", "メールを送信しました") except Exception as e: self.root.after(0, self.send_progress.stop) self.root.after(0, messagebox.showerror, "送信エラー", str(e)) def _clear_compose(self): self.to_var.set("") self.cc_var.set("") self.subject_var.set("") self.send_body.delete("1.0", tk.END) def _test_connection(self): host = self.smtp_host_var.get().strip() if not host: messagebox.showwarning("警告", "SMTPサーバーを入力してください") return self.status_var.set("接続テスト中...") threading.Thread(target=self._do_test_connection, daemon=True).start() def _do_test_connection(self): try: host = self.smtp_host_var.get().strip() port = int(self.smtp_port_var.get() or 587) if self.smtp_tls_var.get(): smtp = smtplib.SMTP(host, port, timeout=10) smtp.ehlo() smtp.starttls() else: smtp = smtplib.SMTP_SSL(host, port, timeout=10) smtp.quit() self.root.after(0, self.status_var.set, f"✅ SMTP接続成功: {host}:{port}") except Exception as e: self.root.after(0, self.status_var.set, f"❌ SMTP接続失敗: {e}") def _fmt_size(self, size): if size < 1024: return f"{size}B" elif size < 1024 * 1024: return f"{size//1024}KB" return f"{size//1024//1024}MB" if __name__ == "__main__": root = tk.Tk() app = App40(root) root.mainloop()