Добавил класс с конфигом, поправил вызов классов

main.py

@@ -2,12 +2,24 @@
 from bottle import abort, route, run, request
 import pymongo
 
-mongoclient = pymongo.MongoClient('localhost', 27017)
-database = mongoclient['pycms']
-posts = database['posts']
 
+class Config:
+    """
+    posts - public, posts table from MongoClient
+    config: private, config for DB
+        config.db.host
+        config.db.port
+        config.db.dbname
+    """
+    def __init__(self):
+        """
+        Init init
+        """
+        mongoclient = pymongo.MongoClient('localhost', 27017)
+        database = mongoclient['pycms']
+        posts = database['posts']
+        self.posts = posts
 
-class Init:
     def readConfig():
         """
         Read config file, if not exists - call Init.createConfig()
@@ -20,30 +32,30 @@ class Init:
         """
         pass
 
-    def setupConnect():
-        """
-        Setup MongoDB connection
-        """
-        pass
 
-
-class Back:
+class Back():
     """
     All actions that will be triggered by http
     """
-    def getRootPost():
+    def getRootPost(self):
         try:
             return posts.find_one({'name': '_root_'})['text']
         except TypeError:
             return abort(404, 'No such page')
 
-    def getPost(name):
+    def getPost(self, name):
         try:
             return posts.find_one({'name': name})['text']
         except TypeError:
             return abort(404, 'No such page')
 
-    def updatePost(name, body):
+    def getAllPosts(self):
+        dict_posts = list()
+        for i in posts.find():
+            dict_posts.append(i)
+        return str(dict_posts)
+
+    def updatePost(self, name, body):
         # If post exists, update it
         if posts.find_one({'name': name}):
             newPost = {'$set': {'text': body}}
@@ -53,7 +65,7 @@ class Back:
             newPost = {'name': name, 'text': body}
             return str(posts.insert_one(newPost).inserted_id)
 
-    def deletePost(name):
+    def deletePost(self, name):
         return posts.delete_one({'name': name})
 
 
@@ -62,7 +74,7 @@ def post(name):
     '''
     Get post
     '''
-    return Back.getPost(name)
+    return str(back.getPost(name))
 
 
 @route('/post/<name>', method='POST')
@@ -71,7 +83,7 @@ def postUpd(name):
     Insert/Update post
     '''
     body = request.forms.get('body')
-    return Back.updatePost(name=name, body=body)
+    return back.updatePost(name=name, body=body)
 
 
 @route('/post/<name>', method='DELETE')
@@ -80,7 +92,7 @@ def postDel(name):
     Delete post by name
     '''
     # return str(posts.delete_one({'name':name}))
-    return str(Back.deletePost(name))
+    return str(back.deletePost(name))
 
 
 @route('/post')
@@ -88,17 +100,16 @@ def all_posts():
     '''
     Returns all posts
     '''
-    dict_posts = list()
-    for i in posts.find():
-        dict_posts.append(i)
-
-    return str(dict_posts)
+    return back.getAllPosts()
 
 
 @route('/')
 def index():
-    return Back.getRootPost()
+    return back.getRootPost()
 
 
 if __name__ == '__main__':
+    cfg = Config()
+    back = Back()
+    posts = cfg.posts
     run(host='0.0.0.0', port=8081, reloader=True, debug=True)