add simple progress reporting

README.rst

@@ -36,6 +36,9 @@ Configuration
 ``overrides`` (default is ``[True]``) specifies a list of alternate or supplemental command-line options.
     This modifies the options passed to ``mypy`` or the mypy-specific ones passed to ``dmypy run``. When present, the special boolean member ``True`` is replaced with the command-line options that would've been passed had ``overrides`` not been specified. Later options take precedence, which allows for replacing or negating individual default options (see ``mypy.main:process_options`` and ``mypy --help | grep inverse``).
 
+``report_progress`` (default is False) report progress to the LSP client.
+    When you editor supports LSP progress reporting, mypy will then report progress when it's running.
+
 This project supports the use of ``pyproject.toml`` for configuration. It is in fact the preferred way. Using that your configuration could look like this:
 
 ::

pylsp_mypy/plugin.py

@@ -122,6 +122,36 @@ def apply_overrides(args: List[str], overrides: List[Any]) -> List[str]:
 @hookimpl
 def pylsp_lint(
     config: Config, workspace: Workspace, document: Document, is_saved: bool
+) -> List[Dict[str, Any]]:
+    settings = config.plugin_settings("pylsp_mypy")
+    oldSettings1 = config.plugin_settings("mypy-ls")
+    if oldSettings1 != {}:
+        raise DeprecationWarning(
+            "Your configuration uses the namespace mypy-ls, this should be changed to pylsp_mypy"
+        )
+    oldSettings2 = config.plugin_settings("mypy_ls")
+    if oldSettings2 != {}:
+        raise DeprecationWarning(
+            "Your configuration uses the namespace mypy_ls, this should be changed to pylsp_mypy"
+        )
+    if settings == {}:
+        settings = oldSettings1
+        if settings == {}:
+            settings = oldSettings2
+
+    if settings.get("report_progress", False):
+        with workspace.report_progress("lint: mypy"):
+            return get_diagnostics(config, workspace, document, settings, is_saved)
+    else:
+        return get_diagnostics(config, workspace, document, settings, is_saved)
+
+
+def get_diagnostics(
+    config: Config,
+    workspace: Workspace,
+    document: Document,
+    settings: Dict[str, Any],
+    is_saved: bool,
 ) -> List[Dict[str, Any]]:
     """
     Lints.
@@ -143,22 +173,6 @@ def pylsp_lint(
         List of the linting data.
 
     """
-    settings = config.plugin_settings("pylsp_mypy")
-    oldSettings1 = config.plugin_settings("mypy-ls")
-    if oldSettings1 != {}:
-        raise DeprecationWarning(
-            "Your configuration uses the namespace mypy-ls, this should be changed to pylsp_mypy"
-        )
-    oldSettings2 = config.plugin_settings("mypy_ls")
-    if oldSettings2 != {}:
-        raise DeprecationWarning(
-            "Your configuration uses the namespace mypy_ls, this should be changed to pylsp_mypy"
-        )
-    if settings == {}:
-        settings = oldSettings1
-        if settings == {}:
-            settings = oldSettings2
-
     log.info(
         "lint settings = %s document.path = %s is_saved = %s",
         settings,
@@ -297,7 +311,8 @@ def pylsp_lint(
                     "end": {"line": 0, "character": 1000},
                 },
                 "message": errors,
-                "severity": 1 if exit_status != 0 else 2,  # Error if exited with error or warning.
+                # Error if exited with error or warning.
+                "severity": 1 if exit_status != 0 else 2,
             }
         )
 

setup.cfg

@@ -19,7 +19,7 @@ classifiers =
 python_requires = >= 3.7
 packages = find:
 install_requires =
-    python-lsp-server
+    python-lsp-server >=1.7.0
     mypy
     toml