bscheibel
/
ui


			
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							#encoding
from app import app
from flask import request, redirect, url_for, send_from_directory, render_template
import subprocess
import redis
import random
import PyPDF2
import json
import os
import json
import re
import base64
#https://medium.com/@emerico/convert-pdf-to-image-using-python-flask-2864fb655e01


UPLOAD_FOLDER = "/home/bscheibel/app/app/temporary"
app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
ALLOWED_EXTENSIONS = set(['pdf', 'png', 'jpg', 'jpeg', 'PDF'])


def allowed_file(filename):
    return '.' in filename and \
           filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS

def convert_pdf_img(filename):
    PDFFILE = UPLOAD_FOLDER +"/" + filename
    subprocess.call(['pdftoppm', '-jpeg', '-singlefile',
                     PDFFILE, '/home/bscheibel//app/app/temporary/out'])

def extract_all(uuid, filename, db):
    #order_bounding_boxes_in_each_block.main(uuid, UPLOAD_FOLDER + "/" + filename)
    subprocess.call(['python3','/home/bscheibel/PycharmProjects/dxf_reader/main.py', str(uuid),UPLOAD_FOLDER + "/" + filename, db, str(0)])

def get_file_size(file):
    pdf = PyPDF2.PdfFileReader(file)
    p = pdf.getPage(0)

    w = p.mediaBox.getWidth()
    h= p.mediaBox.getHeight()

    print(w,h)
    return w,h


@app.route('/', methods=['GET', 'POST'])
def upload_file():
    if request.method == 'POST':
        file = request.files['file']
        if file and allowed_file(file.filename):
            filename = file.filename
            basedir = os.path.abspath(os.path.dirname(__file__))
            file.save(os.path.join(basedir,app.config["UPLOAD_FOLDER"], filename))
            uuid = random.randint(100,10000000)
            extract_all(uuid, filename, 'localhost')
            return redirect(url_for('uploaded_file', filename=filename, uuid=uuid))
    return '''
    <!doctype html>
    <title>Upload new File</title>
    <h1>Upload new File</h1>
    <form action="" method=post enctype=multipart/form-data>
      <p><input type=file name=file>
         <input type=submit value=Upload>
    </form>
    '''

@app.route('/show/<filename>&<uuid>')
def uploaded_file(filename, uuid):
    file_out = "out.jpg"
    #file_out = filename
    #if request.method == 'POST':
    #    uuid = 433
    if filename.endswith(".pdf") or filename.endswith(".PDF"):
        w,h = get_file_size(UPLOAD_FOLDER +"/" + filename)
        convert_pdf_img(filename)
        db = redis.Redis("localhost")
        #isos = db.get(uuid+"dims")
        #print(iso)
        isos = json.loads(db.get(str(uuid)+"isos"))
        dims = json.loads(db.get(str(uuid)+"dims"))
        details = json.loads(db.get(str(uuid) + "details"))
        number_blocks = db.get(str(uuid)+"eps")
        html_code = ""
        reg = r"(-?\d{1,}\.?\d*)"
        for dim in dims:
            print(dim)
            for det in details:
                print(det)
                try:
                    if dim == det:
                        det_coords = details[det]
                        det_coords = ",".join(str(det) for det in det_coords)
                except:
                    det_coords = "0"

            html_code += "<td><h4>" + dim + "</h4></td>"
            for d in dims[dim]:
                try:
                    number = re.search(reg, d)
                    number = number.group(1)
                    try:
                        floats = len(number.split(".")[1])
                        if floats <= 1:
                            steps = 0.1
                        elif floats == 2:
                            steps = 0.01
                        elif floats == 3:
                            steps = 0.001
                        else:
                            steps = 0.001
                    except:
                        steps = 0.1
                except:
                    number = d
                    steps = 0.1
                coords = ",".join(str(e) for e in dims[dim][d])
                html_code += "<tr><td style='text-align:center'> <input type='checkbox' name='relevant." + d + "' value='checked'> </td>" + \
                             "<td style='text-align:center'>" + d + "</td>" + \
                             "<td style='text-align:center'> <input type='number' step='" + str(steps) + "' data-coords='" + coords + " 'data-details='" + det_coords  +"'' name='" + d + "' value='" + number + "'  size='10'> </td></tr>"
                #print(html_code)
        return render_template('show_image_old_working.html', filename=file_out, isos=isos, dims=dims, text=html_code, number=number_blocks, og_filename=filename, w=w, h=h)

    else:
        filename = filename
        return render_template('show_image.html', filename=filename)

@app.route('/uploads/<filename>')
def send_file(filename):
    return send_from_directory(UPLOAD_FOLDER, filename)

# No caching at all for API endpoints.
@app.after_request
def add_header(response):
    # response.cache_control.no_store = True
    response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
    response.headers['Pragma'] = 'no-cache'
    response.headers['Expires'] = '-1'
    response.headers['Access-Control-Allow-Origin'] = '*'
    response.headers.add("Access-Control-Allow-Headers", "*")
    response.headers.add("Access-Control-Allow-Methods", "*")
    return response


@app.route('/generate/<name>')
def generate(name):
    name = name.replace(" ","")
    url = name+".PDF"
    try:
        file = send_from_directory("static/isos",url)
        return file
    except:
        return"Sorry file not found"

@app.route('/redis/get/<key>',methods=['GET'])
def redis_get(key):
    db = redis.Redis("localhost")
    result = json.loads(db.get(key))
    return result

@app.route('/redis/set/<key>',methods=['POST'])
def redis_set(key):
    value = request.get_json(force=True)
    value = value["value"]
    db = redis.Redis("localhost")

    value_name = value[0]
    value_v = value[1]
    try:
        result = json.loads(db.get(key))
        result[value_name] = value_v
        json_res = json.dumps(result)
        db.set(key,json_res)
    except:
        dict_res = {}
        dict_res[value_name] = value_v
        json_dict = json.dumps(dict_res)
        db.set(key, json_dict)
    return "OK"