views.py 7.0 KB

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  1. #encoding
  2. from app import app
  3. from flask import request, redirect, url_for, send_from_directory, render_template
  4. import subprocess
  5. import redis
  6. import random
  7. import PyPDF2
  8. import json
  9. import os
  10. import json
  11. import re
  12. import base64
  13. #https://medium.com/@emerico/convert-pdf-to-image-using-python-flask-2864fb655e01
  14. UPLOAD_FOLDER = "/home/bscheibel/app/app/temporary"
  15. app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
  16. ALLOWED_EXTENSIONS = set(['pdf', 'png', 'jpg', 'jpeg', 'PDF'])
  17. def allowed_file(filename):
  18. return '.' in filename and \
  19. filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS
  20. def convert_pdf_img(filename):
  21. PDFFILE = UPLOAD_FOLDER +"/" + filename
  22. subprocess.call(['pdftoppm', '-jpeg', '-singlefile',
  23. PDFFILE, '/home/bscheibel//app/app/temporary/out'])
  24. def extract_all(uuid, filename, db):
  25. #order_bounding_boxes_in_each_block.main(uuid, UPLOAD_FOLDER + "/" + filename)
  26. subprocess.call(['python3','/home/bscheibel/PycharmProjects/dxf_reader/main.py', str(uuid),UPLOAD_FOLDER + "/" + filename, db, str(0)])
  27. def get_file_size(file):
  28. pdf = PyPDF2.PdfFileReader(file)
  29. p = pdf.getPage(0)
  30. w = p.mediaBox.getWidth()
  31. h= p.mediaBox.getHeight()
  32. print(w,h)
  33. return w,h
  34. def check_config_file(d):
  35. reg_search = d
  36. #print(reg_search)
  37. for conf in d:
  38. print(conf)
  39. return "blub"
  40. def check_links(isos):
  41. link_names = {}
  42. for name in isos:
  43. try:
  44. name = name.replace(" ", "")
  45. url1 = name + ".PDF"
  46. #print(url)
  47. file = send_from_directory("static/isos",url1)
  48. url = "isos/" + url1
  49. #link_names.append(url)
  50. link_names[url1] = url
  51. print(link_names)
  52. except:
  53. print("Sorry file not found")
  54. return link_names
  55. @app.route('/', methods=['GET', 'POST'])
  56. def upload_file():
  57. if request.method == 'POST':
  58. file = request.files['file']
  59. if file and allowed_file(file.filename):
  60. filename = file.filename
  61. basedir = os.path.abspath(os.path.dirname(__file__))
  62. file.save(os.path.join(basedir,app.config["UPLOAD_FOLDER"], filename))
  63. uuid = random.randint(100,10000000)
  64. extract_all(uuid, filename, 'localhost')
  65. return redirect(url_for('uploaded_file', filename=filename, uuid=uuid))
  66. return '''
  67. <!doctype html>
  68. <title>Upload new File</title>
  69. <h1>Upload new File</h1>
  70. <form action="" method=post enctype=multipart/form-data>
  71. <p><input type=file name=file>
  72. <input type=submit value=Upload>
  73. </form>
  74. '''
  75. @app.route('/show/<filename>&<uuid>')
  76. def uploaded_file(filename, uuid):
  77. file_out = "out.jpg"
  78. #file_out = filename
  79. #if request.method == 'POST':
  80. # uuid = 433
  81. if filename.endswith(".pdf") or filename.endswith(".PDF"):
  82. w,h = get_file_size(UPLOAD_FOLDER +"/" + filename)
  83. convert_pdf_img(filename)
  84. db = redis.Redis("localhost")
  85. #isos = db.get(uuid+"dims")
  86. #print(iso)
  87. isos = json.loads(db.get(str(uuid)+"isos"))
  88. links = check_links(isos)
  89. dims = json.loads(db.get(str(uuid)+"dims"))
  90. details = json.loads(db.get(str(uuid) + "details"))
  91. number_blocks = db.get(str(uuid)+"eps")
  92. html_code = ""
  93. html_general = ""
  94. reg = r"(-?\d{1,}\.?\d*)"
  95. for dim in dims:
  96. print(dim)
  97. for det in details:
  98. print(det)
  99. try:
  100. if dim == det:
  101. det_coords = details[det]
  102. det_coords = ",".join(str(det) for det in det_coords)
  103. except:
  104. det_coords = "0"
  105. html_code += "<td><h4>" + dim + "</h4></td>"
  106. for d in dims[dim]:
  107. try:
  108. number = re.search(reg, d)
  109. number = number.group(1)
  110. try:
  111. floats = len(number.split(".")[1])
  112. if floats <= 1:
  113. steps = 0.1
  114. elif floats == 2:
  115. steps = 0.01
  116. elif floats == 3:
  117. steps = 0.001
  118. else:
  119. steps = 0.001
  120. except:
  121. steps = 0.1
  122. except:
  123. number = d
  124. steps = 0.1
  125. coords = ",".join(str(e) for e in dims[dim][d])
  126. html_code += "<tr><td style='text-align:center'> <input type='checkbox' name='relevant." + d + "' value='checked'> </td>" + \
  127. "<td style='text-align:center'>" + d + "</td>" + \
  128. "<td max='3' style='text-align:center'> <input type='number' step='" + str(steps) + "' data-coords='" + coords + " 'data-details='" + det_coords +"'' name='" + d + "' value='" + number + "'> </td>"
  129. for x in relevant_isos:
  130. #html_code += "<td style='text-align:left'> <a href=" + url_for('static', filename="isos/"+x) + " >"+ x.partition(".")[0] +"</a> </td>"
  131. html_code += "<td style='text-align:left' data-terms='" + terms + "'> <a onclick=ui_add_tab_active('#main','" + x.partition(".")[0] + "','" + x.partition(".")[0] +"',true,'isotab')>" + x.partition(".")[0] + "</a> </td>"
  132. #print(html_code)
  133. 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, links=links)
  134. else:
  135. filename = filename
  136. return render_template('show_image.html', filename=filename)
  137. @app.route('/uploads/<filename>')
  138. def send_file(filename):
  139. return send_from_directory(UPLOAD_FOLDER, filename)
  140. # No caching at all for API endpoints.
  141. @app.after_request
  142. def add_header(response):
  143. # response.cache_control.no_store = True
  144. response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
  145. response.headers['Pragma'] = 'no-cache'
  146. response.headers['Expires'] = '-1'
  147. response.headers['Access-Control-Allow-Origin'] = '*'
  148. response.headers.add("Access-Control-Allow-Headers", "*")
  149. response.headers.add("Access-Control-Allow-Methods", "*")
  150. return response
  151. @app.route('/redis/get/<key>',methods=['GET'])
  152. def redis_get(key):
  153. db = redis.Redis("localhost")
  154. result = json.loads(db.get(key))
  155. return result
  156. @app.route('/redis/set/<key>',methods=['POST'])
  157. def redis_set(key):
  158. value = request.get_json(force=True)
  159. value = value["value"]
  160. db = redis.Redis("localhost")
  161. value_name = value[0]
  162. value_v = value[1]
  163. try:
  164. result = json.loads(db.get(key))
  165. result[value_name] = value_v
  166. json_res = json.dumps(result)
  167. db.set(key,json_res)
  168. except:
  169. dict_res = {}
  170. dict_res[value_name] = value_v
  171. json_dict = json.dumps(dict_res)
  172. db.set(key, json_dict)
  173. return "OK"
  174. @app.route('/index')
  175. def test():
  176. return render_template('index.html')