Production

Pipfile

@@ -0,0 +1,19 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+flask = "*"
+gunicorn = "*"
+pymongo = "*"
+opencv-python = "*"
+sympy = "*"
+matplotlib = "*"
+numpy = "*"
+pillow = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.6"

Procfile

@@ -0,0 +1 @@
+web: gunicorn server:app

controllers/controller_database.py

@@ -6,12 +6,13 @@
 
 def insert_graph(collection, function_name) -> None:
     try:
-        url_image = './static/functions_images/' + function_name + '.png'
+        url_image = 'static/functions_images/' + function_name + '.png'
         collection.insert({
             'function': function_name,
             'image': url_image
         })
     except Exception as e:
+        print("En controller_database.py")
         print(e)
 
 

controllers/controller_graph.py

@@ -1,5 +1,7 @@
 import numpy as np
 import sympy as sym
+import matplotlib
+matplotlib.use('Agg')
 import matplotlib.pyplot as plt
 
 from PIL import Image
@@ -36,6 +38,7 @@ def create_graph(self):
             self.__convert_to_transparent_image(self.url_images, function_name)
             success = True
         except Exception as e:
+            print("En controller_graph.py")
             print(e)
 
         return success, function_name

server.py

@@ -4,22 +4,31 @@
 from pymongo import MongoClient
 from controllers.controller_graph import Graph
 import controllers.controller_database as controller_db
+import os
 import base64
 from json import dumps
 
 app = Flask(__name__)
+#
+# mongodb://<dbuser>:<dbpassword>@ds261479.mlab.com:61479/grafar
+# connection = MongoClient("ds261479.mlab.com", 61479)
+# db = connection["grafar"]
+# db.authenticate("admin", "grafar123")
 
 # Create mongo client
-mongo_client = MongoClient('localhost', 27017)
+mongo_client = MongoClient(os.environ['DB_URL'], int(os.environ['DB_PORT']))
 
 # Connect to database GrafarDB
-grafar_db = mongo_client.GrafarDB
+grafar_db = mongo_client[os.environ['DB_NAME']]
+
+#Authenticate
+grafar_db.authenticate(os.environ['DB_USER'], os.environ['DB_PASS'])
 
 # Connect to graphs document
 graphs_collection = grafar_db.graphs
 
 # Define URL folder to save images
-url_images = '/home/jnda/PycharmProjects/Grafar/static/functions_images/'
+url_images = '/app/static/functions_images/'
 
 
 # root
@@ -60,6 +69,7 @@ def get_function():
                 json {"message": "Your function is 10*x+2div6","success": true}
     """
     success = False
+    message = ''
 
     json = request.get_json()
 
@@ -68,6 +78,7 @@ def get_function():
         a_param = json['a']
         b_param = json['b']
     except Exception as e:
+        print("En try de server.py ")
         print(e)
         message = 'You should type a valid function, and the points a and b'
     else:
@@ -100,5 +111,6 @@ def page_not_found(error):
     })
 
 
-if __name__ == '__main__':
-    app.run(host='127.0.0.1', port=5000)
+#if __name__ == "__main__":
+    # app.run(host="127.0.0.1", port=5000)
+#