Gmail 邮件流式监控

v20260401

gws-gmail-watch

通过 `gws gmail +watch` 监控 Gmail 新邮件并将其流式输出为 NDJSON，方便 Pub/Sub 或文件流水线处理，可配置标签筛选、拉取频率、一次性执行与资源清理，适合持续或临时的邮件采集场景。

Gmail Pub/Sub 流式 NDJSON 邮件监控命令行

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概览

gmail +watch

PREREQUISITE: Read ../gws-shared/SKILL.md for auth, global flags, and security rules. If missing, run gws generate-skills to create it.

Watch for new emails and stream them as NDJSON

Usage

gws gmail +watch

Flags

Flag	Required	Default	Description
`--project`	—	—	GCP project ID for Pub/Sub resources
`--subscription`	—	—	Existing Pub/Sub subscription name (skip setup)
`--topic`	—	—	Existing Pub/Sub topic with Gmail push permission already granted
`--label-ids`	—	—	Comma-separated Gmail label IDs to filter (e.g., INBOX,UNREAD)
`--max-messages`	—	10	Max messages per pull batch
`--poll-interval`	—	5	Seconds between pulls
`--msg-format`	—	full	Gmail message format: full, metadata, minimal, raw
`--once`	—	—	Pull once and exit
`--cleanup`	—	—	Delete created Pub/Sub resources on exit
`--output-dir`	—	—	Write each message to a separate JSON file in this directory

Examples

gws gmail +watch --project my-gcp-project
gws gmail +watch --project my-project --label-ids INBOX --once
gws gmail +watch --subscription projects/p/subscriptions/my-sub
gws gmail +watch --project my-project --cleanup --output-dir ./emails

Tips

Gmail watch expires after 7 days — re-run to renew.
Without --cleanup, Pub/Sub resources persist for reconnection.
Press Ctrl-C to stop gracefully.