draw image with blob data -2

DbFuncs/db.py

@@ -1,35 +1,28 @@
 import sqlite3
 import datetime
+from config import utils
 
-import os
-import sys
+# import os
+# import sys
 
-script_dir = os.path.dirname( __file__ )
-constants_dir = os.path.join( script_dir, '..', 'config' )
-sys.path.append(constants_dir)
-import constants
+# script_dir = os.path.dirname( __file__ )
+# urils_dir = os.path.join( script_dir, '..', 'config' )
+# sys.path.append(urils_dir)
+# import utils
 
 from model.Product import Product
 
-
-# convert image to blob data
-def convert_to_blod_data(filename):
-    with open(filename, 'rb') as file:
-        blobData = file.read()
-    return blobData
-
-
 # insert into product table
 def insert_product(product):
 	try:
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 		cursor = conn.cursor()
 
 		insert_query = """insert into products (name, image, count, price, modifiedAt)
 							values (?, ?, ?, ?, ?)"""
 
-		imageBlob = convert_to_blod_data(product.image)
-		data = (product.name, imageBlob, product.count, product.price, datetime.datetime.now())
+		imageBlob = utils.convert_to_blod_data(product.image)
+		data = (product.name, (imageBlob), product.count, product.price, datetime.datetime.now())
 
 		cursor.execute(insert_query, data)
 
@@ -51,7 +44,7 @@ def insert_product(product):
 # update product item
 def update_product(id, count):
 	try:
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 		cursor = conn.cursor()
 
 		update_query = '''update products set count = ? where id = ?'''
@@ -71,7 +64,7 @@ def update_product(id, count):
 # get all products
 def get_products():
 	try:
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 		cursor = conn.cursor()
 
 		select_query = '''select id, name, image, count, price from products'''
@@ -94,7 +87,7 @@ def get_products():
 # get product
 def get_product(id):
 	try:
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 		cursor = conn.cursor()
 
 		print(f'id: {id}')

DbFuncs/db_create.py

@@ -5,15 +5,15 @@
 import sys
 
 script_dir = os.path.dirname( __file__ )
-constants_dir = os.path.join( script_dir, '..', 'config' )
-sys.path.append(constants_dir)
-import constants
+utils_dir = os.path.join( script_dir, '..', 'config' )
+sys.path.append(utils_dir)
+import utils
 
 
 # create product table
 def create_table_if_not_exists():
 	try:
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 		cursor = conn.cursor()
 
 		create_product_table_query = '''CREATE TABLE IF NOT EXISTS products (
@@ -41,7 +41,7 @@ def create_table_if_not_exists():
 def insertData(name, avatar, modifiedAt):
 	try:
 		# Connect to the database (create a new file if it doesn't exist)
-		conn = sqlite3.connect(constants.dbPath)
+		conn = sqlite3.connect(utils.dbPath)
 
 		# Create a cursor object to execute SQL commands
 		cursor = conn.cursor()

config/utils.py

@@ -0,0 +1,19 @@
+dbPath = './DbFuncs/sql.db'
+
+# convert image to blob data
+def convert_to_blod_data(filename):
+    with open(filename, 'rb') as file:
+        blobData = file.read()
+    return blobData
+
+# write 
+def write_to_file(data, filename):
+    # Convert binary data to proper format and write it on Hard Disk
+    with open(filename, 'wb') as file:
+        file.write(data)
+    print("Stored blob data into: ", filename, "\n")
+
+
+
+#     path = 'D:\\tmp\\' + product[1] + '.png'
+# utils.write_to_file(product[2], path)

main.py

@@ -6,14 +6,19 @@
 from kivy.uix.label import Label
 from kivy.uix.screenmanager import ScreenManager, Screen
 from kivy.uix.floatlayout import FloatLayout
+from kivy.core.image import Image as CoreImage
 from kivy.clock import Clock
-from kivy.graphics.texture import Texture
+# from kivy.graphics.texture import Texture
 from kivy.properties import StringProperty
+from PIL import Image as PILImage
+import io
 
 from DbFuncs import db
 from DbFuncs import db_create
 from model.Product import Product
 
+from config import utils
+
 dbFlag = False
 
 class ListScreen(Screen):
@@ -52,15 +57,29 @@ def on_image_click(self, instance, touch):
 
     # draw one image
     def on_draw_item(self, product):
-        image = Image()
-        image.size = (100, 100)
+        # image = Image()
+        # image.size = (100, 100)
+
         # image.allow_stretch = True
         # image.keep_ratio = False
         # image.source = 'D:\Workspace\Python\Kivy\Hello-kivy\img/1-1.png'
-        texture = Texture.create(size=(image.width, image.height))
-        texture.blit_buffer(product[2], colorfmt='rgba', bufferfmt='ubyte')
-        image.texture = texture
-        image.color = [1,0,0,1]
+
+        # texture = Texture.create(size=(image.width, image.height))
+        # texture.blit_buffer(product[2], colorfmt='rgba', bufferfmt='ubyte')
+        # image.texture = texture
+
+        # pil_image = PILImage.open(io.BytesIO(product[2]))
+        # texture = pil_image.tobytes()
+
+        # image_stream = BytesIO(product[2])
+        # loader = ImageLoader()
+        # texture = loader.load(image_stream.getvalue(), ext="png")
+
+        image = Image()
+        image_stream = io.BytesIO(product[2])
+        img = CoreImage(image_stream, ext='png')
+        image.texture = img.texture
+
         image.bind(on_touch_down=self.on_image_click)
 
         return image
@@ -111,7 +130,7 @@ def insertProduct(self):
             for name in names:
                 image = path + "/" + name
                 data = Product('111', image, 10, 100)
-                db.insertProduct(data)
+                db.insert_product(data)