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MeetPoll - Slack Meeting Poll Bot

A self-hosted Slack bot for meeting scheduling polls, event management with RSVPs, automated new member onboarding, and member re-engagement. Uses Socket Mode (no public URL required) and SQLite for storage. Perfect for Raspberry Pi deployment.

Features

Polls

  • /meetpoll slash command to create polls
  • Support for 5-25 time slot options
  • Checkbox-based multi-select voting
  • Real-time vote counting with transparency (shows who voted)
  • Manual or automatic poll closing
  • Detailed results view

Events

  • /event create to create events with a modal form
  • /event list to see upcoming events
  • Going / Maybe / Not Going RSVP buttons
  • Optional max attendee limit (rejects Going when full)
  • Automatic 24h and 1h reminders via DM to RSVPed users
  • Auto-close events after their scheduled time

New Member Onboarding

  • Periodically checks a Google Sheet registration form for new entries
  • Sends bilingual (Turkish/English) welcome emails with Slack invite link
  • On team_join, auto-adds members to their selected committee channels
  • Sends bilingual welcome DM with committee info, upcoming events, and community channels guide
  • When a new member joins a committee channel, sends a DM to that committee's leader (Turkish, with vowel harmony)
  • /onboard command for managing the system (status, mappings, leaders, manual runs)
  • First-run safety: /onboard seed to import existing members without emailing them

Google Calendar Sync

  • Syncs upcoming events from a Google Calendar into the local database every 6 hours
  • Welcome DMs and nudge messages automatically reference the next upcoming event
  • Enable by setting GOOGLE_CALENDAR_ID in .env and enabling the Google Calendar API in your Cloud project

Member Re-engagement

  • Scores inactive Slack members by education level, membership type, committee interest, and recency
  • /engage review — sends 5 ranked nudge candidates to admin DM as review cards
  • Each card shows member profile, draft bilingual message (Turkish first, then English), and four actions:
    • Send — DMs the member immediately (with confirm dialog)
    • Edit & Send — opens a modal to edit the message before sending
    • Skip 30d — puts member on a 30-day cooldown
    • Dismiss — permanently removes member from nudge suggestions
  • /engage dm @user — manually target any specific member by @mention or name
  • Nudge messages are bilingual, informal "sen" tone, reference committee leaders by @mention, and include dynamic admin contact lines pulled from the DB
  • Scheduler sends a review batch to the admin automatically (configurable interval)
  • Full audit trail: every sent nudge is logged in the message log

Outreach Emails

  • /outreach academics — compose personalized emails to academic contacts from a Google Sheet
  • /outreach clubs — compose personalized emails to student clubs from a Google Sheet
  • Auto-prepended greetings: "Sayın {Ad Soyad} Hocam," for academics, "Sevgili {Kulüp Adı}," for clubs
  • Preview with 3 sample emails before confirming send
  • Rate-limited background sending (2.5s between emails, Pi-friendly)
  • Resumable campaigns — each recipient tracked individually
  • /outreach status — aggregate statistics
  • /outreach history — recent campaigns with expandable details

Google Groups Auto-Add

  • When a new member is onboarded, automatically adds them to a Google Group via Admin SDK
  • Requires domain-wide delegation (DWD) configured in Google Workspace Admin Console
  • Idempotent — members already in the group are silently skipped
  • Retry logic: members who missed group-add (e.g. during downtime) are retried on next registration check
  • If GOOGLE_GROUP_EMAIL is not set, this feature is silently skipped

Bioinformatics Opportunity Feed

  • Fetches multiple sources twice daily (10:00 and 22:00) and on demand via /queue scan
  • Sources:
  • Filters by bioinformatics keywords in the title (not just description — avoids false positives)
  • Title blacklist rejects senior/postdoc/director-level roles automatically
  • Entries older than 30 days are skipped to avoid expired listings
  • Adzuna API support for additional European internship search (optional, requires free API key)
  • New items are queued and posted at random times within the 10:00–22:00 window
  • Maximum 5 posts per calendar day, preventing channel spam
  • Each posted item is tracked by GUID — never posted twice, never re-queued after manual deletion
  • Posts to the channel configured via JOBS_CHANNEL_ID
  • /queue command lets admins view, delete, and manually scan the pending queue

TUBITAK note: TUBITAK does not provide an RSS feed for scholarship/call announcements. Monitor tubitak.gov.tr/en/announcements manually for BIDEB calls (2205, 2209, 2247-C).

Prerequisites

  • Python 3.8+
  • A Slack workspace where you have admin permissions
  • A Google Cloud project with Sheets API enabled (free, no billing required)
  • A Gmail account with 2-Step Verification and an App Password

Part 1: Create the Slack App

Step 1: Create a New App

  1. Go to https://api.slack.com/apps
  2. Click "Create New App"
  3. Choose "From scratch"
  4. Enter app name: MeetPoll
  5. Select your workspace
  6. Click "Create App"

Step 2: Enable Socket Mode

Socket Mode allows your bot to connect without a public URL.

  1. In the left sidebar, click "Socket Mode"
  2. Toggle "Enable Socket Mode" to ON
  3. When prompted, create an App-Level Token:
    • Token Name: meetpoll-socket
    • Scope: connections:write
  4. Click "Generate"
  5. Copy and save the token (starts with xapp-) - you'll need this later

Step 3: Add Bot Scopes

  1. In the left sidebar, click "OAuth & Permissions"
  2. Scroll to "Scopes" section
  3. Under "Bot Token Scopes", add these scopes:
    • commands - For slash commands
    • chat:write - To post messages
    • chat:write.public - To post in channels the bot hasn't joined
    • users:read - To read user profiles
    • users:read.email - To match new members by email
    • channels:manage - To invite users to public channels
    • groups:write - To invite users to private channels
    • im:write - To send welcome DMs

Step 4: Create Slash Commands

  1. In the left sidebar, click "Slash Commands"
  2. Create three commands:
Command Short Description Usage Hint
/meetpoll Create a meeting scheduling poll (opens poll creation dialog)
/event Create and manage events create or list
/onboard Manage member onboarding status, list, map, unmap, run, seed
/outreach Send personalized outreach emails academics, clubs, status, history
/queue Manage the pending opportunities queue (no args) or scan
/engage Member engagement tools stats, inactive, review, dm @user, digest, log
/botstatus Show bot and scheduler status (no args)
/help Show all available commands (no args)
/test-welcome Send yourself a test welcome DM (admin only)

Step 5: Enable Interactivity

  1. In the left sidebar, click "Interactivity & Shortcuts"
  2. Toggle "Interactivity" to ON
  3. You don't need a Request URL with Socket Mode - leave it blank or enter a placeholder
  4. Click "Save Changes"

Step 6: Subscribe to Events

  1. In the left sidebar, click "Event Subscriptions"
  2. Toggle "Enable Events" to ON
  3. Under "Subscribe to bot events", add:
    • team_join - Triggers when a new member joins the workspace
  4. Click "Save Changes"

Step 7: Install the App

  1. In the left sidebar, click "Install App"
  2. Click "Install to Workspace"
  3. Review the permissions and click "Allow"
  4. Copy the "Bot User OAuth Token" (starts with xoxb-)

Note: You must reinstall the app every time you add new scopes or event subscriptions.

Step 8: Add the Bot to Channels

The bot must be a member of any channel it needs to invite users to. For each committee channel:

  1. Open the channel in Slack
  2. Click the channel name at the top
  3. Go to the Integrations tab
  4. Click Add apps and add MeetPoll

Part 2: Set Up Google Sheets API

The bot reads new member registrations from a Google Sheet (linked to a Google Form).

Step 1: Create a Google Cloud Project

  1. Go to https://console.cloud.google.com
  2. Click "Select a project" at the top, then "New Project"
  3. Name it (e.g., meetpoll-bot) and click "Create"
  4. No billing is required for this setup

Step 2: Enable the Google Sheets API

  1. Go to APIs & Services > Library
  2. Search for "Google Sheets API"
  3. Click it and click "Enable"

Step 3: Create a Service Account

  1. Go to APIs & Services > Credentials
  2. Click "Create Credentials" > "Service Account"
  3. Name it (e.g., meetpoll-sheets) and click "Create and Continue"
  4. Skip the optional role/access steps and click "Done"

Step 4: Generate a JSON Key

  1. Click on the service account you just created
  2. Go to the Keys tab
  3. Click "Add Key" > "Create new key" > JSON > "Create"
  4. A .json file will download — save it as service_account.json in your project directory

Step 5: Share the Google Sheet

  1. Open your Google Sheet (the one linked to your registration form)
  2. Click Share in the top right
  3. Paste the service account email address (looks like meetpoll-sheets@your-project.iam.gserviceaccount.com — find it under IAM & Admin > Service Accounts)
  4. Set role to Viewer and click Send

Step 6: Get the Sheet ID and Name

  • Sheet ID: From the Google Sheet URL — the long string between /d/ and /edit:
    https://docs.google.com/spreadsheets/d/THIS_IS_THE_SHEET_ID/edit#gid=0
    
  • Sheet Name: The tab name at the bottom of the sheet (e.g., Form Responses 1 or Form Yanıtları 1)

Part 2b: Google Groups Auto-Add (Optional)

This feature requires a Google Workspace account (not a personal @gmail.com). If you only have a personal Gmail account, skip this section and leave GOOGLE_GROUP_EMAIL empty.

Step 1: Enable Admin SDK

  1. Go to https://console.cloud.google.com → your project
  2. Go to APIs & Services > Library
  3. Search for "Admin SDK API" and enable it

Step 2: Configure Domain-Wide Delegation

  1. Go to Google Workspace Admin Consoleadmin.google.com
  2. Navigate to SecurityAPI ControlsDomain-wide Delegation
  3. Click Add new
  4. Enter your service account's Client ID (found in the service account JSON under client_id)
  5. Add scope: https://www.googleapis.com/auth/admin.directory.group.member
  6. Click Authorize

Step 3: Set Environment Variables

GOOGLE_GROUP_EMAIL=members@yourdomain.org   # The Google Group to add members to
GOOGLE_ADMIN_EMAIL=admin@yourdomain.org     # A Workspace admin email to impersonate

Part 3: Set Up Gmail for Welcome Emails

The bot sends welcome emails via Gmail SMTP using an App Password.

Step 1: Enable 2-Step Verification

  1. Go to https://myaccount.google.com/signinoptions/two-step-verification
  2. Turn on 2-Step Verification and set up a verification method (phone, authenticator app, etc.)

Note: If you're using a Google Workspace account and can't enable 2-Step Verification (admin restriction), create a free personal @gmail.com account for the bot instead.

Step 2: Create an App Password

  1. Go to https://myaccount.google.com/apppasswords
  2. Enter an app name (e.g., MeetPoll Bot)
  3. Click "Create"
  4. Copy the 16-character password that appears

Part 4: Deploy the Bot

Local Development Setup

# Clone or copy files to your machine
cd /path/to/meetpoll

# Create virtual environment
python3 -m venv venv
source venv/bin/activate

# Install dependencies
pip install -r requirements.txt

# Copy and configure environment file
cp .env.template .env

Edit .env with all your credentials (see Configuring .env below).

Run the bot:

python bot.py

Configuring .env

Copy the template and fill in all values:

cp .env.template .env
# Slack Bot Tokens (from Part 1)
SLACK_BOT_TOKEN=xoxb-your-bot-token-here
SLACK_APP_TOKEN=xapp-your-app-token-here

# Database path (defaults to ./meetpoll.db)
DATABASE_PATH=./meetpoll.db

# Google Sheets (from Part 2)
GOOGLE_SERVICE_ACCOUNT_PATH=./service_account.json
GOOGLE_SHEET_ID=your-google-sheet-id-here
GOOGLE_SHEET_NAME=Form Responses 1

# Gmail SMTP (from Part 3)
GMAIL_SENDER_ADDRESS=your-email@gmail.com
GMAIL_APP_PASSWORD=abcd efgh ijkl mnop

# Onboarding
SLACK_INVITE_LINK=https://join.slack.com/t/your-workspace/shared_invite/xxx
WELCOME_METHOD=email
ONBOARD_AFTER_DATE=
Variable Description
SLACK_BOT_TOKEN Bot User OAuth Token from Slack app settings (starts with xoxb-)
SLACK_APP_TOKEN App-Level Token for Socket Mode (starts with xapp-)
DATABASE_PATH Path to SQLite database file (created automatically)
GOOGLE_SERVICE_ACCOUNT_PATH Path to the service account JSON key file
GOOGLE_SHEET_ID The ID from your Google Sheet URL
GOOGLE_SHEET_NAME The sheet tab name (e.g., Form Responses 1)
GMAIL_SENDER_ADDRESS Gmail address used to send welcome emails
GMAIL_APP_PASSWORD 16-character Gmail App Password
SLACK_INVITE_LINK Workspace invite link (get it from Slack: workspace menu > Invite people)
CALENDAR_LINK Optional Google Calendar link for event calendar integration (leave empty to skip)
WELCOME_METHOD email (send email only), slack_dm (DM only), or both
ONBOARD_AFTER_DATE Optional cutoff date (e.g., 2026-02-01). Entries before this date are ignored. Leave empty to process all.
ONBOARD_SUPER_ADMIN Your Slack Member ID (get it from your Slack profile > "..." > Copy member ID). This user can manage onboard admins and cannot be removed.
OUTREACH_ACADEMICS_SHEET_ID Google Sheet ID for academic contacts
OUTREACH_ACADEMICS_SHEET_NAME Sheet tab name (default: Sheet1)
OUTREACH_CLUBS_SHEET_ID Google Sheet ID for student club contacts
OUTREACH_CLUBS_SHEET_NAME Sheet tab name (default: Sheet1)
GOOGLE_GROUP_EMAIL Google Group email to auto-add new members to (e.g. members@yourdomain.org). Requires DWD. Leave empty to disable.
GOOGLE_ADMIN_EMAIL A Google Workspace admin email to impersonate for domain-wide delegation
JOBS_CHANNEL_ID Slack channel ID where bioinformatics RSS opportunities are posted (e.g. CQ14TLAGK)
ADZUNA_APP_ID (Optional) Adzuna API app ID — free tier at developer.adzuna.com
ADZUNA_APP_KEY (Optional) Adzuna API key — enables additional European internship search
GOOGLE_CALENDAR_ID (Optional) Google Calendar ID to sync events from (e.g. abc123@group.calendar.google.com). Enable Calendar API in your Cloud project first.
GENERAL_CHANNEL_ID Slack channel ID for the #general channel (used for weekly digest posts)
ENGAGEMENT_ENABLED Set to true to enable the re-engagement nudge scheduler (default: true)

Raspberry Pi Deployment

Initial Setup

# SSH into your Raspberry Pi
ssh pi@raspberrypi.local

# Install Python 3 and pip if needed
sudo apt update
sudo apt install python3 python3-pip python3-venv -y

# Create project directory
mkdir -p ~/meetpoll
cd ~/meetpoll

# Copy project files (from your local machine)
# scp bot.py database.py blocks.py sheets.py mailer.py requirements.txt .env service_account.json pi@raspberrypi.local:~/meetpoll/

# Create virtual environment
python3 -m venv venv
source venv/bin/activate

# Install dependencies
pip install -r requirements.txt

Set Up as System Service

# Copy service file
sudo cp meetpoll.service /etc/systemd/system/slackbot.service

# Adjust the service file if your username isn't 'pi'
sudo nano /etc/systemd/system/slackbot.service

# Reload systemd and enable service
sudo systemctl daemon-reload
sudo systemctl enable slackbot
sudo systemctl start slackbot

# Check status
sudo systemctl status slackbot

# View logs
sudo journalctl -u slackbot -f

Deploying Updates

From your local machine:

scp bot.py database.py blocks.py sheets.py mailer.py google_groups.py rss_feed.py job_fetcher.py engagement.py requirements.txt pi@raspberrypi.local:~/meetpoll/

Then on the Pi (use the restart-bot script to avoid duplicate processes):

sudo restart-bot

To install the restart-bot helper (one-time setup):

sudo cp restart-bot /usr/local/bin/restart-bot
sudo chmod +x /usr/local/bin/restart-bot

Service Management Commands

sudo restart-bot                    # Cleanly restart the bot (recommended)
sudo systemctl stop slackbot        # Stop the bot
sudo journalctl -u slackbot -n 50   # View recent logs
sudo journalctl -u slackbot -f      # View live logs

Part 5: First Run

1. Start the Bot

python bot.py

You should see:

Scheduler started (polls, registrations, events)
MeetPoll bot starting in Socket Mode...
Bolt app is running!

2. Seed Existing Members

If your Google Sheet already has registrations, run this in Slack before anything else to prevent sending welcome emails to existing members:

/onboard seed

This imports all current entries as already-onboarded. No emails will be sent to them.

3. Set Up Committee Mappings

Map committee names to Slack channels. In Slack:

/onboard map "Journal Club" #journal-club
/onboard map "Webinar" #webinar
/onboard map "Website" #website

Repeat for each committee. Verify with:

/onboard list

4. Set Up Committee Leaders (Optional)

Assign a leader to each committee. When a new member joins their channel, the leader receives a DM:

/onboard leader set "Website" @emre
/onboard leader set "Journal Club" @ayse

Verify with:

/onboard leader list

5. Verify the Setup

/onboard status

Should show your seeded member count as fully_onboarded.

6. Test with a New Entry

  1. Add a test entry to your Google Form with your own email
  2. Run /onboard run in Slack (or wait up to 1 hour for automatic check)
  3. Check your email for the welcome message
  4. Join the workspace with the link and verify you're added to the correct channels

Usage

Polls

  1. In any Slack channel, type /meetpoll
  2. A modal dialog will open with these fields:
    • Poll Question: e.g., "When should we have our weekly sync?"
    • Time Options: Enter one time slot per line (5-25 options required)
    • Close Date/Time: Optional auto-close deadline
  3. Click "Create Poll"

Voting:

  • Click the checkboxes next to times that work for you
  • You can select multiple options
  • Votes are updated in real-time with full transparency

Events

  • /event create — Opens a modal to create an event (title, date, time, location, description, max attendees)
  • /event list — Shows upcoming events

RSVP buttons appear on the event message: Going, Maybe, Not Going. If a max attendee limit is set, Going is blocked when full. Reminders are sent via DM 24 hours and 1 hour before the event.

Onboarding Management

Access Control: /onboard and /outreach commands are restricted to authorized admins only. Set ONBOARD_SUPER_ADMIN in .env with your Slack Member ID, then use /onboard admin add @user to grant access to others.

Command Description
/onboard status Show onboarding statistics
/onboard list Show committee-to-channel mappings (with leaders)
/onboard map "Committee" #channel Add or update a mapping
/onboard unmap "Committee" Remove a mapping
/onboard leader list Show all committee leaders
/onboard leader set "Committee" @user Set a committee leader
/onboard leader remove "Committee" Remove a committee leader
/onboard run Manually check Google Sheet for new registrations
/onboard seed Import all existing entries as already-onboarded (first-run safety)
/onboard resend-since 2025-11-01 Re-send welcome emails to seeded members registered after a date
/onboard user@example.com Send a welcome email to a specific address
/onboard admin list Show all onboard admins
/onboard admin add @user Add an onboard admin (super admin only)
/onboard admin remove @user Remove an onboard admin (super admin only)

Outreach

Command Description
/outreach academics Compose and send personalized emails to academic contacts
/outreach clubs Compose and send personalized emails to student clubs
/outreach status Show aggregate outreach statistics
/outreach history Show recent campaigns with expandable details
/outreach send <id> email1, email2 Resend a campaign to specific email addresses

Outreach flow:

  1. Run /outreach academics (or clubs) — a compose modal opens
  2. Enter subject and body — the greeting is auto-prepended per recipient
  3. Click Preview — see 3 sample emails with personalized greetings
  4. Click Confirm Send — emails are sent in the background with 2.5s rate limiting
  5. Progress updates are posted to the channel every 10 emails

Manual resend: Use /outreach send <campaign_id> email1@x.com, email2@x.com to resend a past campaign to specific addresses. Accepts comma-separated or space-separated emails. Greetings are looked up from the Google Sheet automatically.

Google Sheets setup:

  • Academics sheet columns: Ünvan, Ad Soyad (or separate Ad/Soyad), E-posta, Üniversite
  • Clubs sheet columns: Üniversite, Kulüp Adı, İletişim E-postası, Instagram / Sosyal Medya, Alan, Notlar

Share each sheet with the service account email as Viewer. Sheets must be native Google Sheets (not uploaded .xlsx files).

Engagement

Command Description
/engage stats Show active / semi-active / inactive breakdown across all Slack members
/engage inactive List all members inactive for 30+ days (including never-interacted)
/engage review Send a batch of 5 nudge candidates to your DM for review
/engage dm @user Manually target a specific member — sends a review card to your DM
/engage digest Manually trigger the weekly community digest post
/engage log Show last 30 days of sent DMs and nudges
/engage log 7 Show last N days

Review card actions:

  • Send — DMs the draft message to the member immediately
  • Edit & Send — opens a modal to edit the message before sending
  • Skip 30d — puts the member on a 30-day cooldown (won't appear in suggestions)
  • Dismiss — permanently removes the member from nudge suggestions

Opportunity Queue Management

The /queue command is restricted to onboard admins.

Command Description
/queue Show all pending items with a Delete button on each
/queue scan Immediately scan all sources and queue new items, then report how many were added

Deleting an item permanently suppresses it — it will never be re-queued by future scans.

Automatic Background Jobs

Job Schedule Description
Registration check Every 1 hour Checks Google Sheet for new entries, sends welcome emails, retries Google Group adds
Event reminders Every 5 minutes Sends 24h/1h reminder DMs to RSVPed users
Past event closer Every 10 minutes Auto-closes events after their scheduled time
Poll closer Every 1 minute Auto-closes polls past their deadline
RSS queue refresh 10:00 and 22:00 daily Fetches bioinformatics opportunity feeds, queues new items
RSS opportunity post Random, 10:00–22:00 Posts one queued item at a time, max 5 per day
Google Calendar sync Every 6 hours + startup Syncs upcoming events from Google Calendar into local DB
Engagement nudge review Weekly (Monday 10:00) Sends a batch of 5 nudge candidates to admin DM for review

File Structure

meetpoll/
├── bot.py                # Main bot application (commands, handlers, scheduler)
├── database.py           # SQLite database operations
├── blocks.py             # Slack Block Kit UI builders
├── sheets.py             # Google Sheets API client + Google Calendar sync
├── engagement.py         # Member scoring, candidate selection, nudge message drafting
├── mailer.py             # Gmail SMTP email sender
├── google_groups.py      # Google Groups auto-add via Admin SDK DWD
├── rss_feed.py           # RSS feed fetcher and bioinformatics keyword filter
├── job_fetcher.py        # Workday and Adzuna API job fetchers
├── requirements.txt      # Python dependencies
├── .env.template         # Environment variables template
├── .env                  # Your actual environment file (do not commit)
├── service_account.json  # Google service account key (do not commit)
├── meetpoll.service      # Systemd service file for Raspberry Pi
├── meetpoll.db           # SQLite database (created automatically)
└── README.md             # This file

Troubleshooting

Bot doesn't respond to commands

  1. Check the bot is running: sudo systemctl status meetpoll
  2. Verify tokens in .env are correct
  3. Make sure the app is installed/reinstalled after adding scopes
  4. Check Socket Mode is enabled in app settings

"channel_not_found" when onboarding

The bot must be a member of each committee channel before it can invite users. Add the bot to the channel via Slack: Channel settings > Integrations > Add apps.

"not_in_channel" error

Invite the bot to the channel: /invite @MeetPoll

Google Sheets returns 0 registrations

  1. Verify GOOGLE_SHEET_ID and GOOGLE_SHEET_NAME in .env
  2. Make sure you shared the Google Sheet with the service account email (Viewer access)
  3. Check the service account JSON path is correct

Welcome emails not sending

  1. Verify GMAIL_SENDER_ADDRESS and GMAIL_APP_PASSWORD in .env
  2. Make sure 2-Step Verification is enabled on the Gmail account
  3. Check that SLACK_INVITE_LINK is set
  4. Check logs: sudo journalctl -u meetpoll --since "1 hour ago"

Votes/RSVPs not saving

  1. Check database permissions: ls -la meetpoll.db
  2. View logs: sudo journalctl -u meetpoll -n 100

Maintenance

Slack Invite Link (Monthly)

Slack's free plan invite links expire every 30 days. When the link expires, new members won't receive a working invite in their welcome email.

Renew the link monthly — see MAINTENANCE.md for step-by-step instructions.


Security Notes

  • Never commit .env or service_account.json — both are in .gitignore
  • The Gmail App Password grants email-sending access — keep it secret
  • The service account only has read-only access to the Google Sheet
  • Database file contains user IDs and emails but no authentication credentials

License

MIT License - Use freely for your team!

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