add examples

examples/telegram-send/main-recurring.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+from botlib.cron import Cron
+from botlib.helper import Log
+from botlib.oncedb import OnceDB
+from botlib.tgclient import TGClient
+# the pipeline process logic is split up:
+# - you can have one file for generating the entries and writing to db (import)
+#   e.g., import an example from web-scraper and call download()
+# - and another file to read db and send its entries to telegram (this file)
+#   of course, you can put your download logic inside this file as well
+import sub_job_a as jobA
+import sub_job_b as jobB
+
+cron = Cron()
+bot = TGClient(__API_KEY__, polling=True, allowedUsers=['my-username'])
+bot.set_on_kill(cron.stop)
+
+
+def main():
+    def clean_db(_):
+        Log.info('[clean up]')
+        OnceDB('cache.sqlite').cleanup(limit=150)
+
+    def notify_jobA(_):
+        jobA.download(topic='development', cohort='dev:py')
+        send2telegram(__A_CHAT_ID__)
+
+    def notify_jobB(_):
+        jobB.download()
+        send2telegram(__ANOTHER_CHAT_ID__)
+
+    # Log.info('Ready')
+    cron.add_job(10, notify_jobA)  # every 10 min
+    cron.add_job(30, notify_jobB)  # every 30 min
+    cron.add_job(1440, clean_db)  # daily
+    cron.start()
+    # cron.fire()
+
+
+def send2telegram(chat_id):
+    db = OnceDB('cache.sqlite')
+    # db.mark_all_done()
+
+    def _send(cohort, uid, obj):
+        Log.info('[push] {} {}'.format(cohort, uid))
+        return bot.send(chat_id, obj, parse_mode='HTML',
+                        disable_web_page_preview=True)
+
+    if not db.foreach(_send):
+        # send() sleeps 45 sec (on error), safe to call immediatelly
+        send2telegram(chat_id)
+
+
+main()