Go to Symbol in File doesn't work.

[bstaint]

Environment data

• VS Code version: 1.23.1
• Extension version (available under the Extensions sidebar): 2018.4.0
• OS and version: Windows 7
• Python version (& distribution if applicable, e.g. Anaconda): mingw-w64-i686-python3
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): N/A

Actual behavior

Go to Symbol in File doesn't work.

I try trace something:

import jedi

print(jedi.api.names(source=None, path="e:/Downloads/1.py",all_scopes=True)[0].module_path)

python.org python3 output: e:\Downloads\1.py
mingw-w64-i686-python3 output: E:\Downloads\1.py

patch:

diff -urN a/extensions/ms-python.python-2018.4.0/out/client/providers/symbolProvider.js b/extensions/ms-python.python-2018.4.0/out/client/providers/symbolProvider.js
--- a/extensions/ms-python.python-2018.4.0/out/client/providers/symbolProvider.js	2018-05-22 10:28:17.916072100 +0800
+++ b/extensions/ms-python.python-2018.4.0/out/client/providers/symbolProvider.js	2018-05-28 13:05:10.873578100 +0800
@@ -10,13 +10,20 @@
 const telemetry_1 = require("../telemetry");
 const constants_1 = require("../telemetry/constants");
 const proxy = require("./jediProxy");
+const platform = require("os").platform();
 class PythonSymbolProvider {
     constructor(jediFactory) {
         this.jediFactory = jediFactory;
     }
     static parseData(document, data) {
         if (data) {
-            const symbols = data.definitions.filter(sym => sym.fileName === document.fileName);
+            const symbols = data.definitions.filter(sym => {
+                // msys2 fileName drive uppercase.
+                if(platform === "win32")
+                    return sym.fileName.toLowerCase() === document.fileName.toLowerCase()
+                return sym.fileName === document.fileName
+            });
+            
             return symbols.map(sym => {
                 const symbol = sym.kind;
                 const range = new vscode.Range(sym.range.startLine, sym.range.startColumn, sym.range.endLine, sym.range.endColumn);

[DonJayamanne]

@bstaint Thanks for identifying the root cause, saved a lot of time at our end.

[brettcannon]

@bstaint if you're willing to sign the CLA we would be happy to give you co-authorship credit on the PR that fixes this. Are you willing to do that?

[bstaint]

@brettcannon Sorry.

[brettcannon]

@bstaint no need to apologize! We still appreciate you diagnosing the issue.