[WIP] Prepare compat

jedi-core.el

@@ -714,15 +714,15 @@ See: https://github.com/tkf/emacs-jedi/issues/54"
   (substring-no-properties (or (buffer-file-name) "")))
 
 (defun jedi:call-deferred (method-name)
-  "Call ``Script(...).METHOD-NAME`` and return a deferred object."
+  "Call ``Script(...).METHOD-NAME(...)`` and return a deferred object."
   (let ((source      (buffer-substring-no-properties (point-min) (point-max)))
+        (source-path (jedi:-buffer-file-name))
         ;; line=0 is an error for jedi, but is possible for empty buffers.
         (line        (max 1 (count-lines (point-min) (min (1+ (point)) (point-max)))))
-        (column      (- (point) (line-beginning-position)))
-        (source-path (jedi:-buffer-file-name)))
+        (column      (- (point) (line-beginning-position))))
     (epc:call-deferred (jedi:get-epc)
                        method-name
-                       (list source line column source-path))))
+                       (list source source-path line column))))
 
 
 ;;; Completion

jediepcserver.py

@@ -217,14 +217,14 @@ def _wrap_completion_result(comp):
                 description=candidates_description(comp),
                 symbol=candidate_symbol(comp),
             )
-        source, line, column, source_path = args
+        source, source_path, line, column = args
         return [
             _wrap_completion_result(comp)
             for comp in self.jedi_script(source, source_path).complete(line, column)
         ]
 
     def get_in_function_call(self, *args):
-        source, line, column, source_path = args
+        source, source_path, line, column = args
         sig = self.jedi_script(source, source_path).get_signatures(line, column)
         call_def = sig[0] if sig else None
 
@@ -251,7 +251,7 @@ def _goto(self, method, *args):
         # `definitions` is a list. Each element is an instances of
         # `jedi.api_classes.BaseOutput` subclass, i.e.,
         # `jedi.api_classes.RelatedName` or `jedi.api_classes.Definition`.
-        source, line, column, source_path = args
+        source, source_path, line, column = args
         definitions = method(self.jedi_script(source, source_path), line, column)
         return [dict(
             column=d.column,
@@ -268,7 +268,7 @@ def related_names(self, *args):
         return self._goto(jedi.Script.get_references, *args)
 
     def get_definition(self, *args):
-        source, line, column, source_path = args
+        source, source_path, line, column = args
         definitions = self.jedi_script(source, source_path).infer(line, column)
         return [definition_to_dict(d) for d in definitions]
 

setup.py

@@ -15,7 +15,8 @@
     version='0.3.0',
     py_modules=['jediepcserver'],
     install_requires=[
-        "jedi>=0.18.0",
+        "jedi>=0.18.0;python_version>3.5",
+        "jedi<0.18.0;python_version<=3.5",
         "epc>=0.0.4",
         "argparse",
     ],

tox.ini

@@ -1,10 +1,11 @@
 [tox]
-envlist = py36, py37, py38, py39
+envlist = py27, py35, py36, py37, py38, py39
 
 [testenv]
 deps =
   pytest
-  jedi>=0.18.0
+  jedi>=0.18.0;python_version>3.5
+  jedi<0.18.0;python_version<=3.5
 commands = py.test {posargs} test_jediepcserver.py
 
 [pytest]