Fix the compatibility docstring

jedi/_compatibility.py

@@ -1,6 +1,6 @@
 """
-To ensure compatibility from Python ``2.7`` - ``3.x``, a module has been
+This module is here to ensure compatibility of Windows/Linux/MacOS and
-created. Clearly there is huge need to use conforming syntax.
+different Python versions.
 """
 from __future__ import print_function
 import errno

jedi/api/classes.py

@@ -94,7 +94,7 @@ class BaseName(object):
     @property
     def module_path(self):
         """
-        Shows the file path of a module. e.g. ``/usr/lib/python2.7/os.py``
+        Shows the file path of a module. e.g. ``/usr/lib/python3.9/os.py``
 
         :rtype: str or None
         """

jedi/api/replstartup.py

@@ -9,7 +9,7 @@ just use IPython instead::
 Then you will be able to use Jedi completer in your Python interpreter::
 
     $ python
-    Python 2.7.2+ (default, Jul 20 2012, 22:15:08)
+    Python 3.9.2+ (default, Jul 20 2020, 22:15:08)
     [GCC 4.6.1] on linux2
     Type "help", "copyright", "credits" or "license" for more information.
     >>> import os

jedi/inference/docstrings.py

@@ -201,11 +201,8 @@ def _infer_for_statement_string(module_context, string):
         # (e.g., 'threading' in 'threading.Thread').
         string = 'import %s\n' % element + string
 
-    # Take the default grammar here, if we load the Python 2.7 grammar here, it
-    # will be impossible to use `...` (Ellipsis) as a token. Docstring types
-    # don't need to conform with the current grammar.
     debug.dbg('Parse docstring code %s', string, color='BLUE')
-    grammar = module_context.inference_state.latest_grammar
+    grammar = module_context.inference_state.grammar
     try:
         module = grammar.parse(code.format(indent_block(string)), error_recovery=False)
     except ParserSyntaxError:

jedi/inference/star_args.py

@@ -32,8 +32,6 @@ def _iter_nodes_for_param(param_name):
             argument = name.parent
             if argument.type == 'argument' \
                     and argument.children[0] == '*' * param_name.star_count:
-                # No support for Python 2.7 here, but they are end-of-life
-                # anyway
                 trailer = search_ancestor(argument, 'trailer')
                 if trailer is not None:  # Make sure we're in a function
                     context = execution_context.create_context(trailer)

jedi/inference/syntax_tree.py

@@ -312,9 +312,6 @@ def infer_atom(context, atom):
         # For False/True/None
         if atom.value in ('False', 'True', 'None'):
             return ValueSet([compiled.builtin_from_name(state, atom.value)])
-        elif atom.value == 'print':
-            # print e.g. could be inferred like this in Python 2.7
-            return NO_VALUES
         elif atom.value == 'yield':
             # Contrary to yield from, yield can just appear alone to return a
             # value when used with `.send()`.

test/helpers.py

@@ -3,15 +3,8 @@ A helper module for testing, improves compatibility for testing (as
 ``jedi._compatibility``) as well as introducing helper functions.
 """
 
-import sys
 from contextlib import contextmanager
 
-if sys.hexversion < 0x02070000:
-    import unittest2 as unittest
-else:
-    import unittest
-TestCase = unittest.TestCase
-
 import os
 import pytest
 from os.path import abspath, dirname, join

test/test_api/test_call_signatures.py

@@ -1,10 +1,10 @@
 import sys
 from textwrap import dedent
 import inspect
+from unittest import TestCase
 
 import pytest
 
-from ..helpers import TestCase
 from jedi import cache
 from jedi.parser_utils import get_signature
 from jedi import Interpreter

test/test_api/test_full_name.py

@@ -14,11 +14,11 @@ There are three kinds of test:
 """
 
 import textwrap
+from unittest import TestCase
 
 import pytest
 
 import jedi
-from ..helpers import TestCase
 
 
 class MixinTestFullName(object):

test/test_api/test_unicode.py

@@ -2,26 +2,25 @@
 """
 All character set and unicode related tests.
 """
-from jedi._compatibility import u, unicode
+from jedi._compatibility import u
 from jedi import Project
 
 
 def test_unicode_script(Script):
-    """ normally no unicode objects are being used. (<=2.7) """
+    s = "import datetime; datetime.timedelta"
-    s = unicode("import datetime; datetime.timedelta")
     completions = Script(s).complete()
     assert len(completions)
-    assert type(completions[0].description) is unicode
+    assert type(completions[0].description) is str
 
     s = u("author='öä'; author")
     completions = Script(s).complete()
     x = completions[0].description
-    assert type(x) is unicode
+    assert type(x) is str
 
     s = u("#-*- coding: iso-8859-1 -*-\nauthor='öä'; author")
     s = s.encode('latin-1')
     completions = Script(s).complete()
-    assert type(completions[0].description) is unicode
+    assert type(completions[0].description) is str
 
 
 def test_unicode_attribute(Script):

test/test_parso_integration/test_basic.py

@@ -87,9 +87,6 @@ def test_tokenizer_with_string_literal_backslash(Script):
 
 
 def test_ellipsis_without_getitem(Script, environment):
-    if environment.version_info.major == 2:
-        pytest.skip('In 2.7 Ellipsis can only be used like x[...]')
-
     def_, = Script('x=...;x').infer()
 
     assert def_.name == 'ellipsis'

test/test_utils.py

@@ -2,11 +2,10 @@ try:
     import readline
 except ImportError:
     readline = False
+import unittest
 
 from jedi import utils
 
-from .helpers import unittest
-
 
 @unittest.skipIf(not readline, "readline not found")
 class TestSetupReadline(unittest.TestCase):