pkhamre/reddit_stock_analyzer
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Added a script to post to Reddit + doc.

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Pål-Kristian Hamre
2025-07-22 16:34:42 +02:00
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@@ -209,30 +209,47 @@ Open a **second terminal** in the same project directory. You can now run the `e
After running a command, a new `.png` file (e.g., `wallstreetbets_daily_1690000000.png`) will be saved in the images-directory in the root directory of the project.
## 4. Full Automation: Posting to Reddit via Cron Job
The final piece of the project is a script that automates the entire process: scraping data, generating an image, and posting it to a target subreddit like `r/rstat`. This is designed to be run via a scheduled task or cron job.
The final piece of the project is a script that automates the entire pipeline: scraping data, generating an image, and posting it to a target subreddit like `r/rstat`. This is designed to be run via a scheduled task or cron job.
### Prerequisites for Posting
### Prerequisites: One-Time Account Authorization (OAuth2)
The posting script needs to log in to your Reddit account. You must add your Reddit username and password to your `.env` file.
To post on your behalf, the script needs to be authorized with your Reddit account. This is done securely using OAuth2 and a `refresh_token`, which is compatible with 2-Factor Authentication (2FA). This is a **one-time setup process**.
**Add these two lines to your `.env` file:**
```
REDDIT_USERNAME=YourRedditUsername
REDDIT_PASSWORD=YourRedditPassword
```
*(For security, it's recommended to use a dedicated bot account for this, not your personal account.)*
**Step 1: Get Your Refresh Token**
1. First, ensure the "redirect uri" in your [Reddit App settings](https://www.reddit.com/prefs/apps) is set to **exactly** `http://localhost:8080`.
2. Run the temporary helper script included in the project:
```bash
python get_refresh_token.py
```
3. The script will print a unique URL. Copy this URL and paste it into your web browser.
4. Log in to the Reddit account you want to post from and click **"Allow"** when prompted.
5. You'll be redirected to a `localhost:8080` page that says "This site can’t be reached". **This is normal and expected.**
6. Copy the **full URL** from your browser's address bar. It will look something like `http://localhost:8080/?state=...&code=...`.
7. Paste this full URL back into the terminal where the script is waiting and press Enter.
8. The script will output your unique **refresh token**.
**Step 2: Update Your `.env` File**
1. Open your `.env` file.
2. Add a new line and paste your refresh token into it.
3. Ensure your file now contains the following (your username and password are no longer needed):
```
REDDIT_CLIENT_ID=your_client_id_from_reddit
REDDIT_CLIENT_SECRET=your_client_secret_from_reddit
REDDIT_USER_AGENT=A custom user agent string (e.g., python:rstat:v1.2)
REDDIT_REFRESH_TOKEN=the_long_refresh_token_string_you_just_copied
```
You can now safely delete the `get_refresh_token.py` script. Your application is now authorized to post on your behalf indefinitely.
### The `post_to_reddit.py` Script
This is a standalone script located in the project's root directory that finds the most recently generated image and posts it to Reddit.
This is the standalone script that finds the most recently generated image and posts it to Reddit using your new authorization.
**Manual Usage:**
You can run this script manually from your terminal. This is great for testing or one-off posts.
* **Post the latest OVERALL summary image to `r/rstat`:**
```bash
python post_to_reddit.py
@@ -248,18 +265,13 @@ You can run this script manually from your terminal. This is great for testing o
python post_to_reddit.py --subreddit wallstreetbets --weekly
```
* **Post to a different target subreddit (e.g., a test subreddit):**
```bash
python post_to_reddit.py --target-subreddit MyTestSub
```
### Setting Up the Cron Job for Full Automation
### Setting Up the Cron Job
To run the entire pipeline automatically every day, you can use a simple shell script controlled by `cron`.
**Step 1: Create a Job Script**
Create a file named `run_daily_job.sh` in the root of your project directory. This script will run all the necessary commands in the correct order.
Create a file named `run_daily_job.sh` in the root of your project directory.
**`run_daily_job.sh`:**
```bash
@@ -274,49 +286,43 @@ source /path/to/your/project/reddit_stock_analyzer/.venv/bin/activate
echo "--- Starting RSTAT Daily Job on $(date) ---"
# 1. Scrape data from the last 24 hours for all subreddits in the config.
# 1. Scrape data from the last 24 hours.
echo "Step 1: Scraping new data..."
rstat --config subreddits.json --days 1
rstat --days 1
# 2. Start the dashboard in the background so the exporter can access it.
# 2. Start the dashboard in the background.
echo "Step 2: Starting dashboard in background..."
rstat-dashboard &
DASHBOARD_PID=$!
# Give the server a moment to start up.
sleep 10
# 3. Export the overall summary image.
echo "Step 3: Exporting overall summary image..."
python export_image.py --overall
# 4. Post the newly created overall summary image to r/rstat.
# 4. Post the image to r/rstat.
echo "Step 4: Posting image to Reddit..."
python post_to_reddit.py --target-subreddit rstat
# 5. Clean up by stopping the background dashboard server.
# 5. Clean up by stopping the dashboard server.
echo "Step 5: Stopping dashboard server..."
kill $DASHBOARD_PID
echo "--- RSTAT Daily Job Complete ---"
```**Before proceeding, you must edit the two absolute paths at the top of this script to match your system.**
```
**Before proceeding, you must edit the two absolute paths at the top of this script to match your system.**
**Step 2: Make the Script Executable**
In your terminal, run the following command:
```bash
**Step 2: Make the Script Executable**```bash
chmod +x run_daily_job.sh
```
**Step 3: Schedule the Cron Job**
1. Open your crontab editor by running `crontab -e`.
2. Add a new line to the file to schedule the job. For example, to run the script **every day at 10:00 PM**, add the following line:
1. Run `crontab -e` to open your crontab editor.
2. Add the following line to run the script every day at 10:00 PM and log its output:
```
0 22 * * * /path/to/your/project/reddit_stock_analyzer/run_daily_job.sh >> /path/to/your/project/reddit_stock_analyzer/cron.log 2>&1
```
* `0 22 * * *` means at minute 0 of hour 22, every day, every month, every day of the week.
* `>> /path/to/your/.../cron.log 2>&1` is highly recommended. It redirects all output (both standard and error) from the script into a log file, so you can check if the job ran successfully.
Your project is now fully automated to scrape, analyze, visualize, and post data every day.
Your project is now fully and securely automated.