views.py 8.3 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 os
  9. import json
  10. import re
  11. import base64
  12. #path = "/home/bscheibel/app/app"
  13. path = "/home/centurio/Projects/engineering_drawings_ui/app/app"
  14. #path_extraction = '/home/bscheibel/PycharmProjects/dxf_reader/main.py'
  15. path_extraction = "/home/centurio/Projects/engineering_drawings_extraction/main.py"
  16. UPLOAD_FOLDER = path + "/temporary"
  17. app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
  18. ALLOWED_EXTENSIONS = set(['pdf', 'png', 'jpg', 'jpeg', 'PDF'])
  19. def allowed_file(filename):
  20. return '.' in filename and \
  21. filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS
  22. def convert_pdf_img(filename):
  23. PDFFILE = UPLOAD_FOLDER +"/" + filename
  24. subprocess.call(['pdftoppm', '-jpeg', '-singlefile',
  25. PDFFILE, path + '/temporary/out'])
  26. def extract_all(uuid, filename, db):
  27. subprocess.call(['python3', path_extraction, str(uuid),UPLOAD_FOLDER + "/" + filename, db, str(0)])
  28. def get_file_size(file):
  29. pdf = PyPDF2.PdfFileReader(file)
  30. p = pdf.getPage(0)
  31. w = p.mediaBox.getWidth()
  32. h= p.mediaBox.getHeight()
  33. OrientationDegrees = p.get('/Rotate')
  34. if OrientationDegrees != 0 :
  35. orientation = "landscape"
  36. else:
  37. orientation = "portrait"
  38. print(w,h,OrientationDegrees)
  39. return w,h, orientation
  40. def check_links(isos):
  41. link_names = {}
  42. isos_names = []
  43. isos = list(set(isos))
  44. reg_isos = r"(ISO\s\d*)\s1\-(\d?)"
  45. print(isos)
  46. isos_new = []
  47. for name in isos:
  48. if re.search(reg_isos, name):
  49. n = 1
  50. new_isos = re.search(reg_isos,name).group(1)
  51. number = re.search(reg_isos,name).group(2)
  52. while n <= int(number):
  53. isos_new.append(new_isos+"-"+str(n))
  54. n += 1
  55. else:
  56. isos_new.append(name)
  57. for name in isos_new:
  58. try:
  59. name = name.replace(" ", "")
  60. url1 = name + ".PDF"
  61. url = "isos/" + url1
  62. link_names[name] = url
  63. except:
  64. isos_names.append(name)
  65. return link_names, isos_names
  66. @app.route('/', methods=['GET', 'POST'])
  67. def upload_file():
  68. if request.method == 'POST':
  69. file = request.files['file']
  70. if file and allowed_file(file.filename):
  71. filename = file.filename
  72. basedir = os.path.abspath(os.path.dirname(__file__))
  73. file.save(os.path.join(basedir,app.config["UPLOAD_FOLDER"], filename))
  74. uuid = random.randint(100,10000000)
  75. extract_all(uuid, filename, 'localhost')
  76. return redirect(url_for('uploaded_file', filename=filename, uuid=uuid))
  77. return '''
  78. <!doctype html>
  79. <title>Upload new File</title>
  80. <h1>Upload new File</h1>
  81. <form action="" method=post enctype=multipart/form-data>
  82. <p><input type=file name=file>
  83. <input type=submit value=Upload>
  84. </form>
  85. '''
  86. @app.route('/show/<filename>&<uuid>')
  87. def uploaded_file(filename, uuid):
  88. file_out = "out.jpg"
  89. if filename.endswith(".pdf") or filename.endswith(".PDF"):
  90. w,h, orientation = get_file_size(UPLOAD_FOLDER +"/" + filename)
  91. convert_pdf_img(filename)
  92. db = redis.Redis("localhost")
  93. gen_tol = db.get(str(uuid)+"tol")
  94. print(gen_tol)
  95. isos = json.loads(db.get(str(uuid)+"isos"))
  96. links, isos_names = check_links(isos)
  97. dims = json.loads(db.get(str(uuid)+"dims"))
  98. details = json.loads(db.get(str(uuid) + "details"))
  99. number_blocks = db.get(str(uuid)+"eps")
  100. html_code = "General tolerances according to: " + gen_tol + "<br>"
  101. html_general = ""
  102. reg = r"(-?\d{1,}\.?\d*)"
  103. det_coords= "0,0,0,0"
  104. with open(path+ '/config.json') as f:
  105. config_file = json.load(f)
  106. for dim in sorted(dims):
  107. for det in details:
  108. try:
  109. if dim == det:
  110. det_coords = details[det]
  111. det_coords = ",".join(str(det) for det in det_coords)
  112. except:
  113. det_coords = "0,0,0,0"
  114. if "ZZZZ" in dim:
  115. for d in dims[dim]:
  116. html_general += d + "<br>"
  117. continue
  118. else:
  119. html_code += "<td><h4>" + dim + "</h4></td>"
  120. for d in dims[dim]:
  121. relevant_isos = []
  122. search_terms = {}
  123. terms = ''
  124. for conf in config_file:
  125. if re.search(conf,d):
  126. iso = config_file[conf]
  127. for key in iso:
  128. relevant_isos.append(key)
  129. for blub in iso[key]:
  130. search_terms[blub] = iso[key][blub]
  131. if len(search_terms) < 1:
  132. search_terms["Beginn"] = 1
  133. terms = json.dumps(search_terms)
  134. terms = base64.b64encode(terms.encode())
  135. try:
  136. number = re.search(reg, d)
  137. number = number.group(1)
  138. try:
  139. floats = len(number.split(".")[1])
  140. if floats <= 1:
  141. steps = 0.1
  142. elif floats == 2:
  143. steps = 0.01
  144. elif floats == 3:
  145. steps = 0.001
  146. else:
  147. steps = 0.001
  148. except:
  149. steps = 0.1
  150. except:
  151. number = d
  152. steps = 0.1
  153. coords = ",".join(str(e) for e in dims[dim][d])
  154. html_code += "<tr><td style='text-align:center'> <input type='checkbox' name='relevant." + d + "' value='checked'> </td>" + \
  155. "<td style='text-align:center'>" + d + "</td>" + \
  156. "<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>"
  157. relevant_isos = list(set(relevant_isos))
  158. for x in relevant_isos:
  159. 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','"+terms+"')>" + x.partition(".")[0] + "</a> </td>"
  160. html_code += "</tr>"
  161. html_links = ""
  162. for link in links:
  163. html_links += "<a onclick =ui_add_tab_active('#main','" + link + "','" + link +"',true,'isotab','empty')> Open " + link + "</a> <br>"
  164. return render_template('index.html', filename=file_out, isos=isos, dims=dims, text=html_code,html_general=html_general, number=number_blocks, og_filename=filename, w=w, h=h, html_links=html_links, isos_names=isos_names, orientation=orientation)
  165. @app.route('/uploads/<filename>')
  166. def send_file(filename):
  167. return send_from_directory(UPLOAD_FOLDER, filename)
  168. @app.after_request
  169. def add_header(response):
  170. response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
  171. response.headers['Pragma'] = 'no-cache'
  172. response.headers['Expires'] = '-1'
  173. response.headers['Access-Control-Allow-Origin'] = '*'
  174. response.headers.add("Access-Control-Allow-Headers", "*")
  175. response.headers.add("Access-Control-Allow-Methods", "*")
  176. return response
  177. @app.route('/redis/get/<key>',methods=['GET'])
  178. def redis_get(key):
  179. db = redis.Redis(unix_socket_path='/tmp/redis.sock',db=7)
  180. result = json.loads(db.get(key))
  181. return result
  182. @app.route('/redis/set/<key>',methods=['POST'])
  183. def redis_set(key):
  184. value = request.get_json(force=True)
  185. value = value["value"]
  186. db = redis.Redis(unix_socket_path='/tmp/redis.sock',db=7)
  187. value_name = value[0]
  188. value_v = value[1]
  189. try:
  190. result = json.loads(db.get(key))
  191. result[value_name] = value_v
  192. json_res = json.dumps(result)
  193. db.set(key,json_res)
  194. except:
  195. dict_res = {}
  196. dict_res[value_name] = value_v
  197. json_dict = json.dumps(dict_res)
  198. db.set(key, json_dict)
  199. return "OK"