LS settings for typeshed and diagnostics

.vscodeignore

@@ -46,5 +46,13 @@ scripts/**
 src/**
 test/**
 tmp/**
+typeshed/tests/**
+typeshed/.flake8
+typeshed/.git
+typeshed/.gitignore
+typeshed/.travis.yml
+typeshed/CONTRIBUTING.md
+typeshed/README.md
+typeshed/*.txt
 typings/**
 vsc-extension-quickstart.md

package.json

@@ -1275,6 +1275,57 @@
                     "description": "Path to directory containing the Jedi library (this path will contain the 'Jedi' sub directory).",
                     "scope": "resource"
                 },
+                "python.analysis.openFilesOnly": {
+                    "type": "boolean",
+                    "default": false,
+                    "description": "Only show errors and warnings for open files rather than for the entire workspace.",
+                    "scope": "resource"
+                },
+                "python.analysis.typeshedPaths": {
+                    "type": "array",
+                    "default": [],
+                    "items": {
+                        "type": "string"
+                    },
+                    "description": "Paths to look for typeshed modules.",
+                    "scope": "resource"
+                },
+                "python.analysis.errors": {
+                    "type": "array",
+                    "default": [],
+                    "items": {
+                        "type": "string"
+                    },
+                    "description": "List of diagnostics messages to be shown as errors.",
+                    "scope": "resource"
+                },
+                "python.analysis.warnings": {
+                    "type": "array",
+                    "default": [],
+                    "items": {
+                        "type": "string"
+                    },
+                    "description": "List of diagnostics messages to be shown as warnings.",
+                    "scope": "resource"
+                },
+                "python.analysis.information": {
+                    "type": "array",
+                    "default": [],
+                    "items": {
+                        "type": "string"
+                    },
+                    "description": "List of diagnostics messages to be shown as information.",
+                    "scope": "resource"
+                },
+                "python.analysis.disabled": {
+                    "type": "array",
+                    "default": [],
+                    "items": {
+                        "type": "string"
+                    },
+                    "description": "List of suppressed diagnostic messages.",
+                    "scope": "resource"
+                },
                 "python.linting.enabled": {
                     "type": "boolean",
                     "default": true,

src/client/activation/analysis.ts

@@ -6,12 +6,12 @@ import * as path from 'path';
 import { OutputChannel, Uri } from 'vscode';
 import { Disposable, LanguageClient, LanguageClientOptions, ServerOptions } from 'vscode-languageclient';
 import { IApplicationShell, ICommandManager, IWorkspaceService } from '../common/application/types';
+import { PythonSettings } from '../common/configSettings';
 import { isTestExecution, STANDARD_OUTPUT_CHANNEL } from '../common/constants';
 import { createDeferred, Deferred } from '../common/helpers';
 import { IFileSystem, IPlatformService } from '../common/platform/types';
 import { StopWatch } from '../common/stopWatch';
-import { IConfigurationService, IExtensionContext, IOutputChannel } from '../common/types';
-import { IInterpreterService } from '../interpreter/contracts';
+import { IConfigurationService, IExtensionContext, IOutputChannel, IPythonSettings } from '../common/types';
 import { IServiceContainer } from '../ioc/types';
 import {
     PYTHON_ANALYSIS_ENGINE_DOWNLOADED,
@@ -38,7 +38,6 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
     private readonly fs: IFileSystem;
     private readonly sw = new StopWatch();
     private readonly platformData: PlatformData;
-    private readonly interpreterService: IInterpreterService;
     private readonly startupCompleted: Deferred<void>;
     private readonly disposables: Disposable[] = [];
     private readonly context: IExtensionContext;
@@ -47,6 +46,8 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
 
     private languageClient: LanguageClient | undefined;
     private interpreterHash: string = '';
+    private excludedFiles: string[] = [];
+    private typeshedPaths: string[] = [];
     private loadExtensionArgs: {} | undefined;
 
     constructor(@inject(IServiceContainer) private readonly services: IServiceContainer) {
@@ -56,7 +57,6 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
         this.output = this.services.get<OutputChannel>(IOutputChannel, STANDARD_OUTPUT_CHANNEL);
         this.fs = this.services.get<IFileSystem>(IFileSystem);
         this.platformData = new PlatformData(services.get<IPlatformService>(IPlatformService), this.fs);
-        this.interpreterService = this.services.get<IInterpreterService>(IInterpreterService);
         this.workspace = this.services.get<IWorkspaceService>(IWorkspaceService);
 
         // Currently only a single root. Multi-root support is future.
@@ -76,6 +76,8 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
                 }
             }
         ));
+
+        (this.configuration.getSettings() as PythonSettings).addListener('change', this.onSettingsChanged);
     }
 
     public async activate(): Promise<boolean> {
@@ -84,7 +86,6 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
         if (!clientOptions) {
             return false;
         }
-        this.disposables.push(this.interpreterService.onDidChangeInterpreter(() => this.restartLanguageServer()));
         return this.startLanguageServer(clientOptions);
     }
 
@@ -96,19 +97,7 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
         for (const d of this.disposables) {
             d.dispose();
         }
-    }
-
-    private async restartLanguageServer(): Promise<void> {
-        if (!this.context) {
-            return;
-        }
-        const ids = new InterpreterDataService(this.context, this.services);
-        const idata = await ids.getInterpreterData();
-        if (!idata || idata.hash !== this.interpreterHash) {
-            this.interpreterHash = idata ? idata.hash : '';
-            await this.deactivate();
-            await this.activate();
-        }
+        (this.configuration.getSettings() as PythonSettings).removeListener('change', this.onSettingsChanged);
     }
 
     private async startLanguageServer(clientOptions: LanguageClientOptions): Promise<boolean> {
@@ -204,34 +193,27 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
             properties['PrefixPath'] = interpreterData.prefix;
         }
 
-        let searchPathsString = interpreterData ? interpreterData.searchPaths : '';
-        let typeshedPaths: string[] = [];
+        // tslint:disable-next-line:no-string-literal
+        properties['DatabasePath'] = path.join(this.context.extensionPath, analysisEngineFolder);
 
+        let searchPaths = interpreterData ? interpreterData.searchPaths.split(path.delimiter) : [];
         const settings = this.configuration.getSettings();
         if (settings.autoComplete) {
             const extraPaths = settings.autoComplete.extraPaths;
             if (extraPaths && extraPaths.length > 0) {
-                searchPathsString = `${searchPathsString};${extraPaths.join(';')}`;
+                searchPaths.push(...extraPaths);
             }
-            typeshedPaths = settings.autoComplete.typeshedPaths;
         }
 
-        // tslint:disable-next-line:no-string-literal
-        properties['DatabasePath'] = path.join(this.context.extensionPath, analysisEngineFolder);
-
         // Make sure paths do not contain multiple slashes so file URIs
         // in VS Code (Node.js) and in the language server (.NET) match.
         // Note: for the language server paths separator is always ;
-        const searchPaths = searchPathsString.split(path.delimiter).map(p => path.normalize(p));
-        // tslint:disable-next-line:no-string-literal
-        properties['SearchPaths'] = `${searchPaths.join(';')};${pythonPath}`;
-
-        if (!typeshedPaths || typeshedPaths.length === 0) {
-            typeshedPaths = [path.join(this.context.extensionPath, 'typeshed')];
-        }
+        searchPaths.push(pythonPath);
+        searchPaths = searchPaths.map(p => path.normalize(p));
 
         const selector = [{ language: PYTHON, scheme: 'file' }];
-        const excludeFiles = this.getExcludedFiles();
+        this.excludedFiles = this.getExcludedFiles();
+        this.typeshedPaths = this.getTypeshedPaths(settings);
 
         // Options to control the language client
         return {
@@ -253,9 +235,8 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
                     maxDocumentationTextLength: 0
                 },
                 searchPaths,
-                typeStubSearchPaths: typeshedPaths,
-                asyncStartup: true,
-                excludeFiles: excludeFiles,
+                typeStubSearchPaths: this.typeshedPaths,
+                excludeFiles: this.excludedFiles,
                 testEnvironment: isTestExecution()
             }
         };
@@ -289,4 +270,49 @@ export class AnalysisExtensionActivator implements IExtensionActivator {
                 .forEach(p => list.push(p));
         }
     }
+
+    private getTypeshedPaths(settings: IPythonSettings): string[] {
+        return settings.analysis.typeshedPaths && settings.analysis.typeshedPaths.length > 0
+            ? settings.analysis.typeshedPaths
+            : [path.join(this.context.extensionPath, 'typeshed')];
+    }
+
+    private async onSettingsChanged(): Promise<void> {
+        const ids = new InterpreterDataService(this.context, this.services);
+        const idata = await ids.getInterpreterData();
+        if (!idata || idata.hash !== this.interpreterHash) {
+            this.interpreterHash = idata ? idata.hash : '';
+            await this.restartLanguageServer();
+            return;
+        }
+
+        const excludedFiles = this.getExcludedFiles();
+        await this.restartLanguageServerIfArrayChanged(this.excludedFiles, excludedFiles);
+
+        const settings = this.configuration.getSettings();
+        const typeshedPaths = this.getTypeshedPaths(settings);
+        await this.restartLanguageServerIfArrayChanged(this.typeshedPaths, typeshedPaths);
+    }
+
+    private async restartLanguageServerIfArrayChanged(oldArray: string[], newArray: string[]): Promise<void> {
+        if (newArray.length !== oldArray.length) {
+            await this.restartLanguageServer();
+            return;
+        }
+
+        for (let i = 0; i < oldArray.length; i += 1) {
+            if (oldArray[i] !== newArray[i]) {
+                await this.restartLanguageServer();
+                return;
+            }
+        }
+    }
+
+    private async restartLanguageServer(): Promise<void> {
+        if (!this.context) {
+            return;
+        }
+        await this.deactivate();
+        await this.activate();
+    }
 }

src/client/common/configSettings.ts

@@ -8,6 +8,7 @@ import { sendTelemetryEvent } from '../telemetry';
 import { COMPLETION_ADD_BRACKETS, FORMAT_ON_TYPE } from '../telemetry/constants';
 import { isTestExecution } from './constants';
 import {
+    IAnalysisSettings,
     IAutoCompleteSettings,
     IFormattingSettings,
     ILintingSettings,
@@ -44,6 +45,7 @@ export class PythonSettings extends EventEmitter implements IPythonSettings {
     public workspaceSymbols!: IWorkspaceSymbolSettings;
     public disableInstallationChecks = false;
     public globalModuleInstallation = false;
+    public analysis!: IAnalysisSettings;
 
     private workspaceRoot: Uri;
     private disposables: Disposable[] = [];
@@ -147,6 +149,14 @@ export class PythonSettings extends EventEmitter implements IPythonSettings {
             this.linting = lintingSettings;
         }
 
+        // tslint:disable-next-line:no-backbone-get-set-outside-model no-non-null-assertion
+        const analysisSettings = systemVariables.resolveAny(pythonSettings.get<IAnalysisSettings>('analysis'))!;
+        if (this.analysis) {
+            Object.assign<IAnalysisSettings, IAnalysisSettings>(this.analysis, analysisSettings);
+        } else {
+            this.analysis = analysisSettings;
+        }
+
         this.disableInstallationChecks = pythonSettings.get<boolean>('disableInstallationCheck') === true;
         this.globalModuleInstallation = pythonSettings.get<boolean>('globalModuleInstallation') === true;
 

src/client/common/types.ts

@@ -133,6 +133,7 @@ export interface IPythonSettings {
     readonly envFile: string;
     readonly disableInstallationChecks: boolean;
     readonly globalModuleInstallation: boolean;
+    readonly analysis: IAnalysisSettings;
 }
 export interface ISortImportSettings {
     readonly path: string;
@@ -236,13 +237,16 @@ export interface ITerminalSettings {
     readonly launchArgs: string[];
     readonly activateEnvironment: boolean;
 }
-export interface IPythonAnalysisEngineSettings {
-    readonly showAdvancedMembers: boolean;
+export interface IAnalysisSettings {
+    readonly openFilesOnly: boolean;
     readonly typeshedPaths: string[];
+    readonly errors: string[];
+    readonly warnings: string[];
+    readonly information: string[];
+    readonly disabled: string[];
 }
 
 export const IConfigurationService = Symbol('IConfigurationService');
-
 export interface IConfigurationService {
     getSettings(resource?: Uri): IPythonSettings;
     isTestExecution(): boolean;