No 2 projects with same name

pits_schema.sql

@@ -9,7 +9,7 @@
 CREATE TABLE project (
     id              integer primary key,
     username        text, -- User the project belongs to.
-    name            text, -- Project name.
+    name            text unique, -- Project name.
     status          text, -- Project status.
     created_at      date, -- When the project was created?
     updated_at      date  -- When the project was last updated?

project.py

@@ -3,6 +3,7 @@ import getpass
 import datetime
 import logging
 import sys
+import sqlite3
 
 import task
 
@@ -91,7 +92,6 @@ def parse_project_args(project, args):
 
 
 def create_project(project, conn):
-    # TODO Project is same name is forbidden
     logging.info(">> Create project")
 
     query = """
@@ -100,6 +100,7 @@ def create_project(project, conn):
     """
 
     cursor = conn.cursor()
+    try:
         cursor.execute(
             query,
             (getpass.getuser(), project.name, project.status, datetime.datetime.now()),
@@ -115,6 +116,9 @@ def create_project(project, conn):
                 project_id, project.name, project.status
             )
         )
+    except sqlite3.IntegrityError as error:
+        print("project with the same name already exists")
+        logging.info(error)
 
 
 def edit_project(project, project_id, conn):