Make sure parso is the latest version

Recognize asynchronous pytest fixtures

AUTHORS.txt

@@ -66,6 +66,11 @@ Code Contributors
 - Martin Vielsmaier (@moser) <martin@vielsmaier.net>
 - TingJia Wu (@WutingjiaX) <wutingjia@bytedance.com>
 - Nguyễn Hồng Quân <ng.hong.quan@gmail.com>
+- haoran3160-afk (@haoran3160-afk)
+- Eric3-jp (@Eric3-jp) (with OpenAI Codex assistance)
+- Dhanraj E (@Dhanu-dynamic) <dhanraj@labs.digiscrypt.com>
+- Charan Rathore (@charan-rathore)
+- Abdullah Ahmed (@abdull-ah-med)
 
 And a few more "anonymous" contributors.
 

CHANGELOG.rst

@@ -6,6 +6,14 @@ Changelog
 Unreleased
 ++++++++++
 
+0.20.1 (2026-10-12)
++++++++++++++++++++
+
+- Avoid loading an executable path from `project.json`
+- Avoid changing the global recursion limit
+- Support for async pytest fixtures
+- Work better with PEP 695 type parameter syntax
+
 0.20.0 (2026-05-02)
 +++++++++++++++++++
 

jedi/__init__.py

@@ -27,7 +27,7 @@ ad
 load
 """
 
-__version__ = '0.20.0'
+__version__ = '0.20.1'
 
 from jedi.api import Script, Interpreter, set_debug_function, preload_module
 from jedi import settings

jedi/api/__init__.py

@@ -7,7 +7,6 @@ Alternatively, if you don't need a custom function and are happy with printing
 debug messages to stdout, simply call :func:`set_debug_function` without
 arguments.
 """
-import sys
 from pathlib import Path
 
 import parso
@@ -21,7 +20,7 @@ from jedi.file_io import KnownContentFileIO
 from jedi.api import classes
 from jedi.api import interpreter
 from jedi.api import helpers
-from jedi.api.helpers import validate_line_column
+from jedi.api.helpers import validate_line_column, recursion_limit
 from jedi.api.completion import Completion, search_in_module
 from jedi.api.keywords import KeywordName
 from jedi.api.environment import InterpreterEnvironment
@@ -43,10 +42,6 @@ from jedi.inference.gradual.conversion import convert_names, convert_values
 from jedi.inference.gradual.utils import load_proper_stub_module
 from jedi.inference.utils import to_list
 
-# Jedi uses lots and lots of recursion. By setting this a little bit higher, we
-# can remove some "maximum recursion depth" errors.
-sys.setrecursionlimit(3000)
-
 
 class Script:
     """
@@ -97,6 +92,7 @@ class Script:
         references works well, because the right folder is searched. There are
         also ways to modify the sys path and other things.
     """
+    @recursion_limit
     def __init__(self, code=None, *, path=None, environment=None, project=None):
         self._orig_path = path
         if isinstance(path, str):
@@ -191,6 +187,7 @@ class Script:
             self._inference_state.environment,
         )
 
+    @recursion_limit
     @validate_line_column
     def complete(self, line=None, column=None, *, fuzzy=False):
         """
@@ -214,6 +211,7 @@ class Script:
             )
             return completion.complete()
 
+    @recursion_limit
     @validate_line_column
     def infer(self, line=None, column=None, *, only_stubs=False, prefer_stubs=False):
         """
@@ -259,6 +257,7 @@ class Script:
         # the API.
         return helpers.sorted_definitions(set(defs))
 
+    @recursion_limit
     @validate_line_column
     def goto(self, line=None, column=None, *, follow_imports=False, follow_builtin_imports=False,
              only_stubs=False, prefer_stubs=False):
@@ -324,6 +323,7 @@ class Script:
         """
         return self._search_func(string, all_scopes=all_scopes)
 
+    @recursion_limit
     @to_list
     def _search_func(self, string, all_scopes=False, complete=False, fuzzy=False):
         names = self._names(all_scopes=all_scopes)
@@ -353,6 +353,7 @@ class Script:
         """
         return self._search_func(string, complete=True, **kwargs)
 
+    @recursion_limit
     @validate_line_column
     def help(self, line=None, column=None):
         """
@@ -397,6 +398,7 @@ class Script:
                 return [classes.Name(self._inference_state, name)]
         return []
 
+    @recursion_limit
     @validate_line_column
     def get_references(self, line=None, column=None, **kwargs):
         """
@@ -428,6 +430,7 @@ class Script:
             return helpers.sorted_definitions(definitions)
         return _references(**kwargs)
 
+    @recursion_limit
     @validate_line_column
     def get_signatures(self, line=None, column=None):
         """
@@ -466,6 +469,7 @@ class Script:
         return [classes.Signature(self._inference_state, signature, call_details)
                 for signature in definitions.get_signatures()]
 
+    @recursion_limit
     @validate_line_column
     def get_context(self, line=None, column=None):
         """
@@ -502,6 +506,8 @@ class Script:
             tree_name = name.tree_name
             if tree_name is not None:  # Happens with lambdas.
                 scope = tree_name.get_definition()
+                if scope.parent.type in ('async_stmt', 'async_funcdef'):
+                    scope = scope.parent
                 if scope.start_pos[1] < column:
                     break
             definition = definition.parent()
@@ -541,6 +547,7 @@ class Script:
         finally:
             self._inference_state.is_analysis = False
 
+    @recursion_limit
     def get_names(self, **kwargs):
         """
         Returns names defined in the current file.
@@ -579,6 +586,7 @@ class Script:
         ]
         return sorted(defs, key=lambda x: x.start_pos)
 
+    @recursion_limit
     def rename(self, line=None, column=None, *, new_name):
         """
         Renames all references of the variable under the cursor.
@@ -591,6 +599,7 @@ class Script:
         definitions = self.get_references(line, column, include_builtins=False)
         return refactoring.rename(self._inference_state, definitions, new_name)
 
+    @recursion_limit
     @validate_line_column
     def extract_variable(self, line, column, *, new_name, until_line=None, until_column=None):
         """
@@ -630,6 +639,7 @@ class Script:
             new_name, (line, column), until_pos
         )
 
+    @recursion_limit
     @validate_line_column
     def extract_function(self, line, column, *, new_name, until_line=None, until_column=None):
         """
@@ -677,6 +687,7 @@ class Script:
             new_name, (line, column), until_pos
         )
 
+    @recursion_limit
     def inline(self, line=None, column=None):
         """
         Inlines a variable under the cursor. This is basically the opposite of

jedi/api/classes.py

@@ -28,7 +28,7 @@ from jedi.inference.gradual.conversion import convert_names, convert_values
 from jedi.inference.base_value import ValueSet, HasNoContext
 from jedi.api.keywords import KeywordName
 from jedi.api import completion_cache
-from jedi.api.helpers import filter_follow_imports
+from jedi.api.helpers import filter_follow_imports, recursion_limit
 
 
 def _sort_names_by_start_pos(names):
@@ -262,6 +262,7 @@ class BaseName:
             return last_leaf.end_pos
         return definition.end_pos
 
+    @recursion_limit
     def docstring(self, raw=False, fast=True):
         r"""
         Return a document string for this completion object.
@@ -422,6 +423,7 @@ class BaseName:
         return tree_name.is_definition() and tree_name.parent.type == 'trailer'
 
     @debug.increase_indent_cm('goto on name')
+    @recursion_limit
     def goto(self, *, follow_imports=False, follow_builtin_imports=False,
              only_stubs=False, prefer_stubs=False):
 
@@ -452,6 +454,7 @@ class BaseName:
                 for n in names]
 
     @debug.increase_indent_cm('infer on name')
+    @recursion_limit
     def infer(self, *, only_stubs=False, prefer_stubs=False):
         """
         Like :meth:`.Script.infer`, it can be useful to understand which type
@@ -551,7 +554,7 @@ class BaseName:
         return ''.join(lines[start_index:index + after + 1])
 
     def _get_signatures(self, for_docstring=False):
-        if self._name.api_type == 'property':
+        if self._name.api_type in ('property', 'param'):
             return []
         if for_docstring and self._name.api_type == 'statement' and not self.is_stub():
             # For docstrings we don't resolve signatures if they are simple
@@ -567,6 +570,7 @@ class BaseName:
         names = convert_names([self._name], prefer_stubs=True)
         return [sig for name in names for sig in name.infer().get_signatures()]
 
+    @recursion_limit
     def get_signatures(self):
         """
         Returns all potential signatures for a function or a class. Multiple
@@ -579,6 +583,7 @@ class BaseName:
             for s in self._get_signatures()
         ]
 
+    @recursion_limit
     def execute(self):
         """
         Uses type inference to "execute" this identifier and returns the
@@ -588,6 +593,7 @@ class BaseName:
         """
         return _values_to_definitions(self._name.infer().execute_with_values())
 
+    @recursion_limit
     def get_type_hint(self):
         """
         Returns type hints like ``Iterable[int]`` or ``Union[int, str]``.
@@ -670,6 +676,7 @@ class Completion(BaseName):
         """
         return self._complete(False)
 
+    @recursion_limit
     def docstring(self, raw=False, fast=True):
         """
         Documented under :meth:`BaseName.docstring`.
@@ -752,6 +759,7 @@ class Name(BaseName):
         super().__init__(inference_state, definition)
 
     @memoize_method
+    @recursion_limit
     def defined_names(self):
         """
         List sub-definitions (e.g., methods in class).
@@ -797,6 +805,7 @@ class BaseSignature(Name):
         self._signature = signature
 
     @property
+    @recursion_limit
     def params(self):
         """
         Returns definitions for all parameters that a signature defines.
@@ -807,6 +816,7 @@ class BaseSignature(Name):
         return [ParamName(self._inference_state, n)
                 for n in self._signature.get_param_names(resolve_stars=True)]
 
+    @recursion_limit
     def to_string(self):
         """
         Returns a text representation of the signature. This could for example
@@ -831,7 +841,7 @@ class Signature(BaseSignature):
     def index(self):
         """
         Returns the param index of the current cursor position.
-        Returns None if the index cannot be found in the curent call.
+        Returns None if the index cannot be found in the current call.
 
         :rtype: int
         """
@@ -858,6 +868,7 @@ class Signature(BaseSignature):
 
 
 class ParamName(Name):
+    @recursion_limit
     def infer_default(self):
         """
         Returns default values like the ``1`` of ``def foo(x=1):``.
@@ -866,6 +877,7 @@ class ParamName(Name):
         """
         return _values_to_definitions(self._name.infer_default())
 
+    @recursion_limit
     def infer_annotation(self, **kwargs):
         """
         :param execute_annotation: Default True; If False, values are not
@@ -874,6 +886,7 @@ class ParamName(Name):
         """
         return _values_to_definitions(self._name.infer_annotation(ignore_stars=True, **kwargs))
 
+    @recursion_limit
     def to_string(self):
         """
         Returns a simple representation of a param, like

jedi/api/helpers.py

@@ -2,7 +2,9 @@
 Helpers for the API
 """
 import re
+import sys
 from collections import namedtuple
+from contextlib import contextmanager
 from textwrap import dedent
 from itertools import chain
 from functools import wraps
@@ -21,6 +23,48 @@ from jedi.parser_utils import get_parent_scope
 
 CompletionParts = namedtuple('CompletionParts', ['path', 'has_dot', 'name'])
 
+RECURSION_LIMIT = 3000
+
+
+@contextmanager
+def higher_recursion_limit():
+    """Jedi needs a higher recursion limit for parsing and inference. Raise it
+    only temporarily, so importing Jedi does not change global interpreter
+    state and a user-defined higher limit is never lowered."""
+    old_limit = sys.getrecursionlimit()
+    if old_limit >= RECURSION_LIMIT:
+        yield
+    else:
+        sys.setrecursionlimit(RECURSION_LIMIT)
+        try:
+            yield
+        finally:
+            sys.setrecursionlimit(old_limit)
+
+
+def recursion_limit(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        with higher_recursion_limit():
+            return func(*args, **kwargs)
+    return wrapper
+
+
+def recursion_limit_generator(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        with higher_recursion_limit():
+            iterator = iter(func(*args, **kwargs))
+        while True:
+            with higher_recursion_limit():
+                try:
+                    value = next(iterator)
+                except StopIteration:
+                    return
+            # Restore the caller's limit before yielding a result.
+            yield value
+    return wrapper
+
 
 def _start_match(string, like_name):
     return string.startswith(like_name)

jedi/api/project.py

@@ -15,7 +15,7 @@ from jedi import debug
 from jedi.api.environment import get_cached_default_environment, create_environment
 from jedi.api.exceptions import WrongVersion
 from jedi.api.completion import search_in_module
-from jedi.api.helpers import split_search_string, get_module_names
+from jedi.api.helpers import split_search_string, get_module_names, recursion_limit_generator
 from jedi.inference.imports import load_module_from_path, \
     load_namespace_from_path, iter_module_names
 from jedi.inference.sys_path import discover_buildout_paths
@@ -86,6 +86,14 @@ class Project:
             version, data = json.load(f)
 
         if version == 1:
+            # A code base must not be able to enable the loading of its own
+            # extensions or point Jedi at a binary to execute, see the docs
+            # about security. The project file can be part of a checked out
+            # repository, so these settings are ignored for loaded projects.
+            if data.pop('load_unsafe_extensions', False):
+                debug.warning('load_unsafe_extensions is ignored for loaded projects')
+            if data.pop('environment_path', None) is not None:
+                debug.warning('environment_path is ignored for loaded projects')
             return cls(**data)
         else:
             raise WrongVersion(
@@ -99,6 +107,11 @@ class Project:
         data = dict(self.__dict__)
         data.pop('_environment', None)
         data.pop('_django', None)  # TODO make django setting public?
+
+        # These are dropped anyway
+        data.pop('_load_unsafe_extensions', None)
+        data.pop('_environment_path', None)
+
         data = {k.lstrip('_'): v for k, v in data.items()}
         data['path'] = str(data['path'])
 
@@ -242,7 +255,10 @@ class Project:
     def get_environment(self):
         if self._environment is None:
             if self._environment_path is not None:
-                self._environment = create_environment(self._environment_path, safe=False)
+                # environment_path can only be set by the user directly, it is
+                # never loaded from a project file, so it is trusted.
+                self._environment = create_environment(
+                    self._environment_path, safe=False)
             else:
                 self._environment = get_cached_default_environment()
         return self._environment
@@ -282,6 +298,7 @@ class Project:
         """
         return self._search_func(string, complete=True, **kwargs)
 
+    @recursion_limit_generator
     @_try_to_skip_duplicates
     def _search_func(self, string, complete=False, all_scopes=False):
         # Using a Script is they easiest way to get an empty module context.

jedi/inference/__init__.py

@@ -125,7 +125,7 @@ class InferenceState:
         debug.dbg('execute result: %s in %s', value_set, value)
         return value_set
 
-    # mypy doesn't suppport decorated propeties (https://github.com/python/mypy/issues/1362)
+    # mypy doesn't support decorated properties (https://github.com/python/mypy/issues/1362)
     @property
     @inference_state_function_cache()
     def builtins_module(self):

jedi/inference/analysis.py

@@ -110,7 +110,7 @@ def _check_for_setattr(instance):
 
 def add_attribute_error(name_context, lookup_value, name):
     message = ('AttributeError: %s has no attribute %s.' % (lookup_value, name))
-    # Check for __getattr__/__getattribute__ existance and issue a warning
+    # Check for __getattr__/__getattribute__ existence and issue a warning
     # instead of an error, if that happens.
     typ = Error
     if lookup_value.is_instance() and not lookup_value.is_compiled():

jedi/inference/compiled/access.py

@@ -9,7 +9,7 @@ import re
 import builtins
 import typing
 from pathlib import Path
-from typing import Optional, Tuple
+from typing import Optional, Tuple, Any
 
 from jedi.inference.compiled.getattr_static import getattr_static
 
@@ -46,7 +46,7 @@ ClassMethodDescriptorType = type(object_class_dict['__subclasshook__'])
 _sentinel = object()
 
 # Maps Python syntax to the operator module.
-COMPARISON_OPERATORS = {
+COMPARISON_OPERATORS: dict[str, Any] = {
     '==': op.eq,
     '!=': op.ne,
     'is': op.is_,

jedi/inference/imports.py

@@ -416,7 +416,15 @@ def import_module(inference_state, import_names, parent_module_value, sys_path):
         if is_pkg is None:
             return NO_VALUES
     else:
-        paths = parent_module_value.py__path__()
+        try:
+            py__path__ = parent_module_value.py__path__
+        except AttributeError:
+            # Due to meta_path, the value can be pretty much any compiled value
+            # and we're not guaranteed that the attribute is available, see
+            # also https://github.com/davidhalter/jedi/issues/2118
+            return NO_VALUES
+        else:
+            paths = py__path__()
             if paths is None:
                 # The module might not be a package.
                 return NO_VALUES

jedi/inference/names.py

@@ -170,6 +170,8 @@ class AbstractTreeName(AbstractNameDefinition):
             trailer = par.parent
             if trailer.type == 'arglist':
                 trailer = trailer.parent
+            if trailer.type == 'error_node':
+                return []
             if trailer.type != 'classdef':
                 if trailer.type == 'decorator':
                     value_set = context.infer_node(trailer.children[1])

jedi/inference/value/instance.py

@@ -224,7 +224,7 @@ class _BaseTreeInstance(AbstractInstanceValue):
             elif isinstance(f, CompiledValueFilter):
                 yield CompiledInstanceClassFilter(self, f)
             else:
-                # Propably from the metaclass.
+                # Probably from the metaclass.
                 yield f
 
     @inference_state_method_cache()

jedi/plugins/pytest.py

@@ -2,7 +2,9 @@ import sys
 from typing import List
 from pathlib import Path
 
+from jedi.inference.arguments import ValuesArguments
 from jedi.inference.cache import inference_state_method_cache
+from jedi.inference.gradual.annotation import infer_return_types
 from jedi.inference.imports import goto_import, load_module_from_path
 from jedi.inference.filters import ParserTreeFilter
 from jedi.inference.base_value import NO_VALUES, ValueSet
@@ -32,6 +34,19 @@ def execute(callback):
 def infer_anonymous_param(func):
     def get_returns(value):
         if value.tree_node.annotation is not None:
+            if value.tree_node.parent.type == 'async_funcdef':
+                # Async fixtures provide the awaited value, rather than a
+                # coroutine. The annotation of an async generator describes
+                # the iterator, so the value is what that iterator yields.
+                result = infer_return_types(value, ValuesArguments([]))
+                if value.as_context().is_generator():
+                    return ValueSet.from_sets(
+                        lazy_value.infer()
+                        for v in result
+                        for lazy_value in v.iterate(is_async=True)
+                    )
+                return result
+
             result = value.execute_with_values()
             if any(v.name.get_qualified_names(include_module_names=True)
                    == ('typing', 'Generator')
@@ -223,6 +238,8 @@ class FixtureFilter(ParserTreeFilter):
         if funcdef.type != "funcdef":
             return False
         decorated = funcdef.parent
+        if decorated.type == "async_funcdef":
+            decorated = decorated.parent
         if decorated.type != "decorated":
             return False
         decorators = decorated.children[0]

setup.py

@@ -37,7 +37,7 @@ setup(name='jedi',
       packages=find_packages(exclude=['test', 'test.*']),
       python_requires='>=3.10',
       # Python 3.13 grammars are added to parso in 0.8.4
-      install_requires=['parso>=0.8.6,<0.9.0'],
+      install_requires=['parso>=0.8.7,<0.9.0'],
       extras_require={
           'dev': [
               'pytest<9.0.0',

test/completion/pytest.py

@@ -1,4 +1,4 @@
-from typing import Generator
+from typing import AsyncGenerator, Generator
 
 import pytest
 from pytest import fixture
@@ -208,3 +208,58 @@ def bla(admin_u
 def bla(admin_user):
     pass
 
+
+
+# -----------------
+# asynchronous fixtures
+# -----------------
+
+@pytest.fixture
+async def async_fixture():
+    return 1
+
+
+@pytest.fixture(scope='module')
+async def async_annotated_fixture() -> str:
+    return ''
+
+
+@fixture
+async def async_yield_fixture():
+    yield 1.0
+
+
+@pytest.fixture
+async def async_annotated_opaque() -> int:
+    return opaque_value
+
+
+@pytest.fixture
+async def async_generator_annotated() -> AsyncGenerator[str, None]:
+    yield opaque_value
+
+
+#? ['async_fixture']
+def test_async_fixture_completion(async_fixt
+    pass
+
+
+def test_async_fixture_inference(async_fixture, async_annotated_fixture, async_yield_fixture):
+    #? int()
+    async_fixture
+    #? str()
+    async_annotated_fixture
+    #? float()
+    async_yield_fixture
+
+
+def test_async_fixture_annotation(async_annotated_opaque, async_generator_annotated):
+    #? int()
+    async_annotated_opaque
+    #? str()
+    async_generator_annotated
+
+
+#! 30 ['def async_fixture']
+def test_async_fixture_goto(async_fixture):
+    pass

test/test_api/test_api.py

@@ -3,6 +3,8 @@ Test all things related to the ``jedi.api`` module.
 """
 
 import os
+import subprocess
+import sys
 from textwrap import dedent
 
 import pytest
@@ -231,6 +233,19 @@ def test_goto_follow_imports(Script):
     assert d.name == 'a'
 
 
+@pytest.mark.parametrize('prefix', ['', 'def foo(bar): pass\n', 'def f():\n    '])
+@pytest.mark.parametrize('call', ['foo(bar=1', 'foo(bar=1,', 'foo(foo(bar=1'])
+def test_goto_incomplete_named_argument(Script, prefix, call):
+    code = prefix + call
+    column = code.splitlines()[-1].index('bar')
+    assert Script(code).goto(column=column) == []
+
+
+def test_goto_named_argument_in_complete_inner_call(Script):
+    param, = Script('def foo(bar): pass\nfoo(foo(bar=1)').goto(2, 8)
+    assert (param.name, param.line, param.column) == ('bar', 1, 8)
+
+
 def test_goto_module(Script):
     def check(line, expected, follow_imports=False):
         script = Script(path=path)
@@ -412,3 +427,90 @@ def test_infer_after_parentheses(Script, code, column, expected):
         assert completions == []
     else:
         assert [c.name for c in completions] == [expected]
+
+
+def test_import_does_not_change_recursion_limit():
+    # Regression test for #1925: importing jedi must not lower a higher
+    # user-defined limit, nor raise a lower one.
+    for limit in (1200, 5000):
+        code = ('import sys; sys.setrecursionlimit(%d); import jedi; '
+                'print(sys.getrecursionlimit())' % limit)
+        output = subprocess.check_output([sys.executable, '-c', code])
+        assert output.strip() == str(limit).encode()
+
+
+def test_recursion_limit_is_scoped_and_restored():
+    from jedi.api.helpers import higher_recursion_limit, RECURSION_LIMIT
+
+    old_limit = sys.getrecursionlimit()
+    sys.setrecursionlimit(1000)
+    try:
+        with higher_recursion_limit():
+            assert sys.getrecursionlimit() == RECURSION_LIMIT
+        assert sys.getrecursionlimit() == 1000
+        sys.setrecursionlimit(5000)
+        with higher_recursion_limit():
+            assert sys.getrecursionlimit() == 5000
+        assert sys.getrecursionlimit() == 5000
+    finally:
+        sys.setrecursionlimit(old_limit)
+
+
+def test_deep_code_works_with_low_recursion_limit(Script):
+    old_limit = sys.getrecursionlimit()
+    sys.setrecursionlimit(1000)
+    try:
+        code = 'x = ' + '(' * 200 + '1' + ')' * 200 + '\nx.'
+        assert Script(code).complete(2, 2)
+        assert sys.getrecursionlimit() == 1000
+    finally:
+        sys.setrecursionlimit(old_limit)
+
+
+@pytest.mark.parametrize('method', [
+    'infer', 'get_type_hint', 'get_signatures', 'execute', 'defined_names',
+])
+def test_name_inference_recursion_limit(Script, method):
+    old_limit = sys.getrecursionlimit()
+    sys.setrecursionlimit(1000)
+    try:
+        name = Script('x = ' + '(' * 200 + '1' + ')' * 200).get_names()[0]
+        getattr(name, method)()
+        assert sys.getrecursionlimit() == 1000
+    finally:
+        sys.setrecursionlimit(old_limit)
+
+
+@pytest.mark.parametrize('method', ['search', 'complete_search'])
+def test_project_search_recursion_limit(tmp_path, method):
+    from jedi import Project
+
+    (tmp_path / 'sample.py').write_text('x = ' + '(' * 200 + '1' + ')' * 200)
+    old_limit = sys.getrecursionlimit()
+    sys.setrecursionlimit(1000)
+    try:
+        results = getattr(Project(tmp_path), method)('sample.x.real')
+        assert sys.getrecursionlimit() == 1000
+        assert next(results).name == 'real'
+        assert sys.getrecursionlimit() == 1000
+        results.close()
+        assert sys.getrecursionlimit() == 1000
+    finally:
+        sys.setrecursionlimit(old_limit)
+
+
+def test_recursion_limit_restored_after_error():
+    from jedi.api.helpers import recursion_limit
+
+    @recursion_limit
+    def fail():
+        raise ValueError('test')
+
+    old_limit = sys.getrecursionlimit()
+    sys.setrecursionlimit(1000)
+    try:
+        with pytest.raises(ValueError, match='test'):
+            fail()
+        assert sys.getrecursionlimit() == 1000
+    finally:
+        sys.setrecursionlimit(old_limit)

test/test_api/test_completion.py

@@ -462,3 +462,21 @@ def test_module_completions(Script, module):
 
 def test_whitespace_at_end_after_dot(Script):
     assert 'strip' in [c.name for c in Script('str. ').complete()]
+
+
+def test_param_docstring_in_completion(Script):
+    # From Github #2063
+    code = '''\
+    from typing import Optional
+
+    def func(arg: Optional[int]):
+        pass
+
+    func(arg'''
+    script = Script(code=code)
+    completions = script.complete(
+        line=len(code.splitlines()),
+        column=len(code.splitlines()[-1])
+    )
+    c, = completions
+    assert c.docstring() == ''

test/test_api/test_context.py

@@ -53,6 +53,21 @@ def x():
     ]
 '''
 
+async_code = '''\
+async def coro():
+    return None
+'''
+async_method = '''\
+class C:
+    async def coro(self):
+        return None
+'''
+async_nested = '''\
+async def outer():
+    async def inner():
+        return None
+'''
+
 
 @pytest.mark.parametrize(
     'code, line, column, full_name, expected_parents', [
@@ -106,6 +121,21 @@ def x():
         (with_brackets, 3, None, 'myfile', []),
         (with_brackets, 4, 4, 'myfile.x', ['x']),
         (with_brackets, 4, 5, 'myfile.x', ['x']),
+
+        (async_code, 2, 0, 'myfile', []),
+        (async_code, 2, 4, 'myfile.coro', ['coro']),
+        (async_code, 2, 5, 'myfile.coro', ['coro']),
+        (async_code, 2, None, 'myfile.coro', ['coro']),
+        ('@decorator\n' + async_code, 3, 0, 'myfile', []),
+        ('@decorator\n' + async_code, 3, 4, 'myfile.coro', ['coro']),
+        ('@decorator\n' + async_code, 3, 5, 'myfile.coro', ['coro']),
+        (async_method, 3, 4, 'myfile.C', ['C']),
+        (async_method, 3, 8, 'myfile.C.coro', ['C', 'coro']),
+        (async_method, 3, 9, 'myfile.C.coro', ['C', 'coro']),
+        (async_nested, 3, 0, 'myfile', []),
+        (async_nested, 3, 4, 'myfile.outer', ['outer']),
+        (async_nested, 3, 8, None, ['outer', 'inner']),
+        (async_nested, 3, 9, None, ['outer', 'inner']),
     ]
 )
 def test_context(Script, code, line, column, full_name, expected_parents):

test/test_api/test_project.py

@@ -1,4 +1,5 @@
 import os
+import sys
 from pathlib import Path
 
 import pytest
@@ -54,6 +55,24 @@ def test_load_save_project(tmpdir):
     assert loaded.added_sys_path == ['/foo']
 
 
+def test_load_project_ignores_environment_path(tmpdir, monkeypatch):
+    # The project file can be part of a checked out repository, so it must not
+    # be able to point Jedi at a binary to execute.
+    def _get_subprocess(self):
+        raise RuntimeError('Should not get called!')
+
+    monkeypatch.setattr('jedi.api.environment.Environment._get_subprocess',
+                        _get_subprocess)
+
+    Project(tmpdir.strpath, environment_path=sys.executable).save()
+    assert Project.load(tmpdir.strpath)._environment_path is None
+
+
+def test_load_project_ignores_unsafe_extensions(tmpdir):
+    Project(tmpdir.strpath, load_unsafe_extensions=True).save()
+    assert Project.load(tmpdir.strpath).load_unsafe_extensions is False
+
+
 @pytest.mark.parametrize(
     'string, full_names, kwargs', [
         ('test_load_save_project', ['test_api.test_project.test_load_save_project'], {}),