Escape Jedi path completions (#762)

Author: andfoy

pyls/plugins/jedi_completion.py

@@ -1,5 +1,6 @@
 # Copyright 2017 Palantir Technologies, Inc.
 import logging
+import os.path as osp
 import parso
 from pyls import hookimpl, lsp, _utils
 
@@ -22,6 +23,7 @@
     'builtinfunction': lsp.CompletionItemKind.Function,
     'module': lsp.CompletionItemKind.Module,
     'file': lsp.CompletionItemKind.File,
+    'path': lsp.CompletionItemKind.Text,
     'xrange': lsp.CompletionItemKind.Class,
     'slice': lsp.CompletionItemKind.Class,
     'traceback': lsp.CompletionItemKind.Class,
@@ -130,6 +132,12 @@ def _format_completion(d, include_params=True):
         'insertText': d.name
     }
 
+    if d.type == 'path':
+        path = osp.normpath(d.name)
+        path = path.replace('\\', '\\\\')
+        path = path.replace('/', '\\/')
+        completion['insertText'] = path
+
     if (include_params and hasattr(d, 'params') and d.params and
             not is_exception_class(d.name)):
         positional_args = [param for param in d.params if '=' not in param.description]