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#!/usr/bin/env python3
"""keep-bridge -- fetch Google Keep notes via gkeepapi and emit JSON.
The one place the unofficial Google Keep API lives, isolated so a break is
contained and the elisp renderer talks only to this script's JSON contract.
See docs/specs/google-keep-emacs-integration-spec.org (Bridge JSON schema).
Reads two environment variables (set by the elisp caller, which pulls the
token from authinfo.gpg via auth-source):
KEEP_EMAIL the Google account email
KEEP_MASTER_TOKEN the gkeepapi master token
On success: prints a JSON array of note objects on stdout, exits 0. An empty
Keep prints "[]". On failure: exits non-zero with one reason token on stderr,
which the elisp sentinel maps to a display-warning:
no-gkeepapi gkeepapi is not importable
no-token KEEP_MASTER_TOKEN or KEEP_EMAIL is unset
auth-failed gkeepapi rejected the credentials
network a network/other error reaching Keep
"""
import json
import os
import sys
from datetime import timezone
from typing import NoReturn
def iso8601_utc(dt):
"""Format DT (a datetime) as ISO8601 UTC with a trailing Z, or None."""
if dt is None:
return None
if dt.tzinfo is None:
dt = dt.replace(tzinfo=timezone.utc)
return dt.astimezone(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
def color_name(color):
"""Return the Keep color as a plain string from a gkeepapi enum or a string."""
return getattr(color, "value", None) or getattr(color, "name", None) or str(color)
def note_to_dict(note):
"""Shape one gkeepapi note (or a duck-typed stand-in) into the schema dict."""
return {
"id": note.id,
"title": note.title or "",
"text": note.text or "",
"labels": [label.name for label in note.labels.all()],
"pinned": bool(note.pinned),
"archived": bool(note.archived),
"color": color_name(note.color),
"updated": iso8601_utc(note.timestamps.updated),
}
def notes_to_json(notes):
"""Serialize an iterable of NOTES to the schema JSON string."""
return json.dumps([note_to_dict(n) for n in notes], ensure_ascii=False)
def _fail(token) -> NoReturn:
sys.stderr.write(token + "\n")
sys.exit(1)
def main():
try:
import gkeepapi # type: ignore[import] # optional runtime dep
except ImportError:
_fail("no-gkeepapi")
email = os.environ.get("KEEP_EMAIL")
token = os.environ.get("KEEP_MASTER_TOKEN")
if not email or not token:
_fail("no-token")
keep = gkeepapi.Keep()
try:
keep.resume(email, token)
except Exception as exc: # gkeepapi raises LoginException on bad credentials
_fail("auth-failed" if type(exc).__name__ == "LoginException" else "network")
try:
keep.sync()
notes = list(keep.all())
except Exception:
_fail("network")
sys.stdout.write(notes_to_json(notes))
if __name__ == "__main__":
main()
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