feat: use spawn capabilities of language client

Author: aminya

lib/main.js

@@ -1,4 +1,3 @@
-const cp = require("child_process")
 const { shell } = require("electron")
 const { AutoLanguageClient } = require("atom-languageclient")
 const { detectVirtualEnv, detectPipEnv, replacePipEnvPathVar, sanitizeConfig } = require("./utils")
@@ -50,45 +49,46 @@ class PythonLanguageClient extends AutoLanguageClient {
       pylsEnvironment["VIRTUAL_ENV"] = venvPath
     }
     const python = replacePipEnvPathVar(atom.config.get("ide-python.python"), venvPath)
-    const childProcess = cp.spawn(python, ["-m", "pyls"], {
+    const childProcess = super.spawn(python, ["-m", "pyls"], {
       cwd: projectPath,
       env: pylsEnvironment,
     })
-    childProcess.on("error", (err) => {
-      const description =
-        err.code == "ENOENT"
-          ? `No Python interpreter found at \`${python}\`.`
-          : `Could not spawn the Python interpreter \`${python}\`.`
-      atom.notifications.addError("`ide-python` could not launch your Python runtime.", {
-        dismissable: true,
-        description: `${description}<p>If you have Python installed please set "Python Executable" setting correctly. If you do not please install Python.</p>`,
-      })
-    })
+    return childProcess
+  }
 
-    childProcess.on("close", (code, signal) => {
-      if (code !== 0 && signal == null) {
-        atom.notifications.addError("Unable to start the Python language server.", {
-          dismissable: true,
-          buttons: [
-            {
-              text: "Install Instructions",
-              onDidClick: () => atom.workspace.open("atom://config/packages/ide-python"),
-            },
-            {
-              text: "Download Python",
-              onDidClick: () => shell.openExternal("https://www.python.org/downloads/"),
-            },
-          ],
-          description:
-            "Make sure to install `pyls` 0.19 or newer by running:\n" +
-            "```\n" +
-            `${python} -m pip install 'python-language-server[all]'\n` +
-            `${python} -m pip install git+https://github.com/tomv564/pyls-mypy.git\n` +
-            "```",
-        })
-      }
+  onSpawnError(err) {
+    const description =
+      err.code == "ENOENT"
+        ? `No Python interpreter found at \`${python}\`.`
+        : `Could not spawn the Python interpreter \`${python}\`.`
+    atom.notifications.addError("`ide-python` could not launch your Python runtime.", {
+      dismissable: true,
+      description: `${description}<p>If you have Python installed please set "Python Executable" setting correctly. If you do not please install Python.</p>`,
     })
-    return childProcess
+  }
+
+  onSpawnClose(code, signal) {
+    if (code !== 0 && signal == null) {
+      atom.notifications.addError("Unable to start the Python language server.", {
+        dismissable: true,
+        buttons: [
+          {
+            text: "Install Instructions",
+            onDidClick: () => atom.workspace.open("atom://config/packages/ide-python"),
+          },
+          {
+            text: "Download Python",
+            onDidClick: () => shell.openExternal("https://www.python.org/downloads/"),
+          },
+        ],
+        description:
+          "Make sure to install `pyls` 0.19 or newer by running:\n" +
+          "```\n" +
+          `${python} -m pip install 'python-language-server[all]'\n` +
+          `${python} -m pip install git+https://github.com/tomv564/pyls-mypy.git\n` +
+          "```",
+      })
+    }
   }
 
   async getSuggestions(request) {