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Are you doing anything cool with n8n? (sh.itjust.works)

submitted 2 months ago by carton_of_lions@sh.itjust.works to c/selfhosted@lemmy.world

31 comments fedilink hide all child comments

Just curious what people are using n8n for.

I just finished setting up a workflow that sends me a Telegram message every night about photography opportunities for the next day. It puts together weather data, POIs (which I defined for my location), sun/moon position, milky way visibility, cloud cover, etc. The message then simply tells me if it's worth it going out in the morning.

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[–] ISOmorph@feddit.org 18 points 2 months ago (2 children)

A governmental-ish site I'm required to use doesn't push notifications as mails, so you have to login daily to check for updates. Updates may happen multiple times daily or once a month. I automated my server to access the site once a day with my credentials, screenshot the notifications, parse them with ocr, and send myself a mail.

[–] captcha_incorrect@lemmy.world 4 points 2 months ago (1 children)

What do you use for OCR parsing?

[–] ISOmorph@feddit.org 3 points 2 months ago

The data is non critical and doesn't contain indentifying info so I use ocr.space API. You could probably find ways to use the tesseract libraries locally.

[–] HerrLewakaas@lemmy.world 1 points 2 months ago (1 children)

Why screenshot and parse? Can't you just parse the html directly?

[–] ISOmorph@feddit.org 1 points 2 months ago (1 children)

Since the dawn of LLMs it's virtually impossible to scrape web content. Headless browsers have become basically useless. I actually have to automate keyboard inputs to simulate the navigation. I could maybe try to write the javascript cache to file but honestly it's just faster that way.

[–] HerrLewakaas@lemmy.world 3 points 2 months ago

What why, I'm scraping html just fine