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# Nijitrack
Historical subscriber count tracker for any subset of YouTube channels. Flask backend and NextJS frontend for visualization.
This code is current deployed as [PhaseTracker](https://phase-tracker.com). Collecting the subscriber data for members of Phase Connect.
# Backend:
Below are the steps to set up the flask backend for data collection and serving data through a web server (`/backend` folder of repo)
### Dependencies
- MariaDB or MySQL
- Python 3.11+
- Flask 2.1.2+ (Optional)
```python
pip install -r requirements.txt
```
### Usage
a. Fill in `config.json` with required info for API keys and SQL connection info
#### For collection using a set of channels belonging to a Virtual YouTuber organization listed on Holodex
1. Edit main.py and edit `HOLODEX_ORG` to the organization name on Holodex and `ORG_MEMBER_COUNT` to the number of members that organization has
- Overshooting the member count may lead to additional loop iterations, but in general there will be no problems
```
HOLODEX_ORG = "Phase%20Connect"
ORG_MEMBER_COUNT = 75
```
2. Add channels to be excluded from data collection in `data/excluded_channel.txt`
3. Execute with `python nijitrack.py`
#### For collection using a custom set of channels configured in `data/channels.txt`
1. Configure channels in data/channels.txt in the format `YOUTUBE_CHANNEL_ID,CHANNEL_NAME` for each line
2. Execute with `python nijitrack.py ytapi`
A basic graph will be created using plotly and saved to index.html in the root directory
You can use `app.py` to host your statistics through Flask or use any other services
Webpage design inspired by [TrackHololive](https://trackholo.live/)
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