Zhengshou Lai
5a665e38bb
New `myclaude mail` group with: - config: interactive account setup - inbox: list recent messages - read: show message by UID - send: send email with attachments - reply/forward: reply to or forward messages
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Mail utility helpers."""
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import re
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from datetime import datetime
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from email.header import decode_header
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from email.utils import mktime_tz, parsedate_tz
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from typing import Any
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def decode_header_value(value: Any) -> str:
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"""Decode email header value safely."""
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if value is None:
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return ""
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raw = value if isinstance(value, str) else str(value)
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parts = decode_header(raw)
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result: list[str] = []
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for part, charset in parts:
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if isinstance(part, bytes):
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result.append(part.decode(charset or "utf-8", errors="replace"))
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else:
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result.append(part)
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return "".join(result)
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def format_date(date_str: str | None) -> str:
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"""Format email date string to local-friendly form."""
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if not date_str:
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return ""
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try:
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tt = parsedate_tz(date_str)
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if tt is None:
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return date_str
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ts = mktime_tz(tt)
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dt = datetime.fromtimestamp(ts)
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return dt.strftime("%Y-%m-%d %H:%M")
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except Exception:
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return date_str
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def strip_html_tags(html: str) -> str:
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"""Very basic HTML tag stripping for fallback text extraction."""
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text = re.sub(r"<script[^>]*>.*?</script>", "", html, flags=re.S)
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text = re.sub(r"<style[^>]*>.*?</style>", "", text, flags=re.S)
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# Replace block-level tags with newlines before stripping remaining tags
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text = re.sub(r"</(p|div|h[1-6]|li|tr|blockquote)>", "\n", text, flags=re.I)
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text = re.sub(r"<br\s*/?>", "\n", text, flags=re.I)
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text = re.sub(r"<[^>]+>", "", text)
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text = re.sub(r" ", " ", text)
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text = re.sub(r"<", "<", text)
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text = re.sub(r">", ">", text)
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text = re.sub(r"&", "&", text)
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text = re.sub(r"\n\s*\n+", "\n\n", text)
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return text.strip()
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def truncate_text(text: str, max_len: int = 60) -> str:
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"""Truncate text with ellipsis."""
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if len(text) <= max_len:
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return text
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return text[: max_len - 1] + "…"
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