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create webinterface with bottle

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fleaz 2024-10-16 20:54:53 +02:00
parent 60e79f06e3
commit 321e84cc24
5 changed files with 101 additions and 20 deletions
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28
convert.py Normal file
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#! /usr/bin/env python3
from pypdf import PdfWriter, PdfReader, Transformation
from pypdf.generic import RectangleObject
def convert_dhl(id):
with open(f"./uploads/{id}.pdf", "rb") as fh:
reader = PdfReader(fh)
writer = PdfWriter()
numPages = len(reader.pages)
if numPages != 1:
exit(1)
page = reader.pages[0].rotate(90)
page = reader.pages[0]
left = 20
bottom = 450
right = 570
# calculate last value to get a 3:2 rectangle
top = bottom+((right-left)/3)*2
page.mediabox = RectangleObject((left, bottom,right,top))
writer.add_page(page)
with open(f"./downloads/{id}.pdf", "wb") as fh:
writer.write(fh)

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main.py Executable file → Normal file
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#! /usr/bin/env python3 import os
from bottle import route, request, static_file, run, redirect, HTTPResponse, hook
from random import randint
from os import remove
from pypdf import PdfWriter, PdfReader, Transformation from convert import convert_dhl
from pypdf.generic import RectangleObject
with open("input.pdf", "rb") as in_f: @route('/')
reader = PdfReader(in_f) def root():
writer = PdfWriter() return static_file('index.html', root='templates')
numPages = len(reader.pages) @route('/dhl', method='POST')
if numPages != 1: def do_upload():
exit(1) upload = request.files.get('upload')
if upload.content_type != "application/pdf":
return HTTPResponse(status=400, body="Bad file")
page = reader.pages[0].rotate(90) id = randint(100000,999999)
page = reader.pages[0] upload.save(f"./uploads/{id}.pdf")
convert_dhl(id)
print(f"converted {upload.filename} as {id}.pdf")
# delete upload file
remove(f"./uploads/{id}.pdf")
left = 20 return redirect(f"/download/{id}")
bottom = 450
right = 570
# calculate last value to get a 3:2 rectangle
top = bottom+((right-left)/3)*2
page.mediabox = RectangleObject((left, bottom,right,top)) @route('/download/<id>')
writer.add_page(page) def download(id):
@hook('after_request')
def delFiles():
remove(f"./downloads/{id}.pdf")
filename = f"{id}.pdf"
return static_file(filename, root='downloads', download=filename)
with open("out.pdf", "wb") as fh: @route('/static/<filename:path>')
writer.write(fh) def send_static(filename):
return static_file(filename, root='static/')
if __name__ == '__main__':
for p in ['./uploads', './downloads']:
if not os.path.exists(p):
os.makedirs(p)
run(host='0.0.0.0', port=8080)

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static/main.css Normal file
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.variant_box {
background-color: #7b8495;
padding: 10px;
margin: 10px;
border-radius: 5px;
}

4
static/pico.min.css vendored Normal file
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templates/index.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Shippinglabel Converter</title>
<link rel="stylesheet" href="static/pico.min.css">
<link rel="stylesheet" href="static/main.css">
</head>
<body>
<main class="container">
<h1>Versandlabel konvertieren</h1>
Siehe <a href="https://github.com/fleaz/shippinglabel-converter">github.com/fleaz/shippinglabel-converter</a>
<div class="variant_box">
<b>Variante 1</b><br>
DHL Paketmarke DIN A4 &#8594; 100mmx150mm
<form action="/dhl" method="post" enctype="multipart/form-data">
<input name="upload" type="file" size="50" accept="application/pdf">
<button>Convert!</button>
</form>
</div>
</main>
</body>
</html>