Update app.py

app.py

@@ -2,6 +2,7 @@ import gradio as gr
 from PIL import Image
 import numpy as np
 
+# Define ASCII characters according to the intensity scale
 ASCII_CHARS = ["@", "#", "S", "%", "?", "*", "+", ";", ":", ",", "."]
 
 def scale_image(image, new_width=100):
@@ -15,32 +16,43 @@ def scale_image(image, new_width=100):
 def map_pixels_to_ascii_chars(image, range_width=25):
     """Maps each pixel to an ascii char based on intensity."""
     pixels_in_image = list(image.getdata())
-    pixels_to_chars = [ASCII_CHARS[pixel_value//range_width] for pixel_value in pixels_in_image]
+    pixels_to_chars = [ASCII_CHARS[pixel_value // range_width] for pixel_value in pixels_in_image]
     return "".join(pixels_to_chars)
 
 def convert_image_to_ascii(image, new_width=100):
     image = scale_image(image)
-    image = image.convert("L")
+    image = image.convert("L")  # convert image to monochrome
     
     pixels_to_chars = map_pixels_to_ascii_chars(image)
     len_pixels_to_chars = len(pixels_to_chars)
     
+    # Convert the string of characters into a list of strings
     ascii_image = [pixels_to_chars[index: index + new_width] for index in range(0, len_pixels_to_chars, new_width)]
     return "\n".join(ascii_image)
 
-def image_to_ascii(file):
-    image = Image.open(file.name)
+def image_to_ascii(image):
+    # Convert the NumPy array to a PIL Image and then to ASCII
+    image = Image.fromarray(image.astype('uint8'), 'RGB')
     ascii_str = convert_image_to_ascii(image)
     return ascii_str
 
-description = "Image to ASCII Art Converter\nUpload an image and convert it to ASCII art. Click the 'Submit' button after uploading."
+description = """
+Image to ASCII Art Converter\n
+Upload an image and convert it to ASCII art. Simply upload the image and
+click the 'Submit' button to see the ASCII art.
+"""
+
+examples = ["example.jpg"]  # Make sure this example image exists in the same directory as this script
+
+# Define the Gradio interface
 interface = gr.Interface(
-    fn=image_to_ascii, 
+    fn=image_to_ascii,
     inputs=gr.Image(label="Upload Image"),
     outputs=gr.Textbox(label="ASCII Art"),
-    examples=["example1.jpg"],
+    examples=examples,
     title="Image to ASCII Art",
     description=description,
+    allow_flagging="never",
 )
 
 interface.launch()