updated documentation and added “None” option for image description

src/image_description.rs

@@ -41,21 +41,27 @@ struct LlamaModel {
 pub fn get_description_from_file(
     image_name: String,
     file_config: FileConfig,
-) -> Result<String, Box<dyn super::Error>> {
+) -> Result<String, Box<dyn std::error::Error>> {
     //read image caption from a local file that
     //has the same name than the image with the extension ".caption.txt"
     let caption_extension = file_config.caption_extension;
     let captionname = format!("{}{}", &image_name, caption_extension);
 
     debug!("Looking for {}", &captionname);
-    let caption_data = std::fs::read_to_string(captionname);
+    let caption_data = match std::fs::read_to_string(captionname) {
+        Ok(caption) => caption,
+        Err(e) => {
+            error!("Failed to find caption file: {}", &e.to_string());
+            std::process::exit(1);
+        }
+    };
 
     println!(
         "Description fetched successfully from FILE for {}",
         &image_name
     );
 
-    Ok(caption_data.unwrap())
+    Ok(caption_data)
 }
 
 // fetch image description from ChatGPT

src/main.rs

@@ -42,6 +42,8 @@ enum Mode {
     File,
     /// Local LLM
     Local,
+    // No Image Description
+    None,
 }
 
 #[derive(Debug, Deserialize)]

src/pixelfed.rs

@@ -129,6 +129,11 @@ pub fn bulk_upload_images(
                 info!("Description generated by OLLAMA: {}", &description.clone());
                 media_descriptions.push(description.clone());
             }
+            super::Mode::None => {
+                // No impage description wanted
+                description = "".to_string();
+                media_descriptions.push(description.clone())
+            }
         }
 
         println!("Uploading image {} to Pixelfed", &image_path.to_string());