add uninstall command

Author: vineelsai26

src/main.rs

@@ -2,7 +2,7 @@ mod python;
 mod utils;
 
 use python::{
-    env::posix_env, install::install_python, list::list_python_versions, usage::use_python,
+    env::posix_env, install::install_python, list::list_python_versions, usage::use_python, uninstall::uninstall_python
 };
 use std::process::exit;
 
@@ -53,6 +53,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         install_python(version.unwrap()).await?;
     } else if cmd == "use" {
         use_python(version.unwrap()).await?;
+    } else if cmd == "uninstall" {
+        uninstall_python(version.unwrap()).await?;
     } else if cmd == "list" {
         list_python_versions(version.unwrap()).await?;
     }

src/python/mod.rs

@@ -1,5 +1,6 @@
 pub mod env;
 pub mod install;
 pub mod list;
+pub mod uninstall;
 pub mod usage;
 pub mod versions;

src/python/uninstall.rs

@@ -0,0 +1,45 @@
+use homedir::get_my_home;
+use std::fs::remove_dir_all;
+
+use crate::python::versions::get_latest_minor_of_version;
+
+pub async fn uninstall_python(mut version: String) -> Result<(), Box<dyn std::error::Error>> {
+    version = version.replace("v", "");
+    let version_string = version.split(".").filter(|&i| i != "").collect::<Vec<_>>();
+
+    if version_string.len() == 1 {
+        version =
+            get_latest_minor_of_version(version_string[0].to_string(), "".to_string()).await?;
+    } else if version_string.len() == 2 {
+        version = get_latest_minor_of_version(
+            version_string[0].to_string(),
+            version_string[1].to_string(),
+        )
+        .await?;
+    } else if version_string.len() == 3 {
+        version = version
+    } else {
+        panic!("error invalid version number")
+    }
+
+    if !version.contains("v") {
+        version = "v".to_owned() + &version
+    }
+
+    let python_path = get_my_home()
+        .unwrap()
+        .unwrap()
+        .as_path()
+        .join(".vmp")
+        .join("python")
+        .join(&version);
+
+    if python_path.exists() {
+        remove_dir_all(python_path)?;
+        println!("Uninstall for python version {} is successfull", version)
+    } else {
+        println!("Python version {} is not installed", version)
+    }
+
+    Ok(())
+}