pip_utils: add async method to invoke pip directly

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>

moonraker/utils/pip_utils.py

@@ -165,6 +165,41 @@ class AsyncPipExecutor:
     def get_shell_cmd(self) -> ShellCommandFactory:
         return self.server.lookup_component("shell_command")
 
+    async def call_pip_with_response(
+        self,
+        args: str,
+        timeout: float = 30.,
+        attempts: int = 3,
+        sys_env_vars: Optional[Dict[str, Any]] = None
+    ) -> str:
+        env: Optional[Dict[str, str]] = None
+        if sys_env_vars is not None:
+            env = dict(os.environ)
+            env.update(sys_env_vars)
+        shell_cmd = self.get_shell_cmd()
+        return await shell_cmd.exec_cmd(
+            f"{self.pip_cmd} {args}", attempts=attempts,
+            timeout=timeout, env=env, log_stderr=True
+        )
+
+    async def call_pip(
+        self,
+        args: str,
+        timeout: float = 30.,
+        attempts: int = 3,
+        sys_env_vars: Optional[Dict[str, Any]] = None
+    ) -> None:
+        env: Optional[Dict[str, str]] = None
+        if sys_env_vars is not None:
+            env = dict(os.environ)
+            env.update(sys_env_vars)
+        shell_cmd = self.get_shell_cmd()
+        await shell_cmd.run_cmd_async(
+            f"{self.pip_cmd} {args}", self.notify_callback,
+            timeout=timeout, attempts=attempts, env=env,
+            log_stderr=True
+        )
+
     async def get_pip_version(self) -> PipVersionInfo:
         resp: str = await self.get_shell_cmd().exec_cmd(
             f"{self.pip_cmd} --version", timeout=30., attempts=3, log_stderr=True