Drop Python <=3.7 syntax

Closes #449

Author: AWhetter

autoapi/_astroid_utils.py

@@ -119,7 +119,7 @@ def get_full_basenames(node):
 def _get_const_value(node):
     if isinstance(node, astroid.nodes.Const):
         if isinstance(node.value, str) and "\n" in node.value:
-            return '"""{0}"""'.format(node.value)
+            return f'"""{node.value}"""'
 
     class NotConstException(Exception):
         pass

autoapi/_mapper.py

@@ -434,7 +434,7 @@ def read_file(self, path, **kwargs):
             else:
                 parsed_data = Parser().parse_file(path)
             return parsed_data
-        except (IOError, TypeError, ImportError):
+        except (OSError, TypeError, ImportError):
             LOGGER.debug("Reason:", exc_info=True)
             LOGGER.warning(
                 f"Unable to read file: {path}",

autoapi/_objects.py

@@ -2,7 +2,6 @@
 
 import functools
 import pathlib
-from typing import List, Optional, Tuple
 
 import sphinx
 import sphinx.util
@@ -66,7 +65,7 @@ def __init__(
         This is the same as the fully qualified name of the object.
         """
 
-        self.children: List[PythonObject] = []
+        self.children: list[PythonObject] = []
         """The members of this object.
 
         For example, the classes and functions defined in the parent module.
@@ -79,7 +78,7 @@ def __init__(
 
         # For later
         self._class_content = class_content
-        self._display_cache: Optional[bool] = None
+        self._display_cache: bool | None = None
 
     def __getstate__(self):
         """Obtains serialisable data for pickling."""
@@ -248,7 +247,7 @@ def _ask_ignore(self, skip: bool) -> bool:
 
         return ask_result if ask_result is not None else skip
 
-    def _children_of_type(self, type_: str) -> List[PythonObject]:
+    def _children_of_type(self, type_: str) -> list[PythonObject]:
         return list(child for child in self.children if child.type == type_)
 
 
@@ -268,20 +267,20 @@ def __init__(self, *args, **kwargs):
         self.args: str = _format_args(self.obj["args"], show_annotations)
         """The arguments to this object, formatted as a string."""
 
-        self.return_annotation: Optional[str] = (
+        self.return_annotation: str | None = (
             self.obj["return_annotation"] if show_annotations else None
         )
         """The type annotation for the return type of this function.
 
         This will be ``None`` if an annotation
         or annotation comment was not given.
         """
-        self.properties: List[str] = self.obj["properties"]
+        self.properties: list[str] = self.obj["properties"]
         """The properties that describe what type of function this is.
 
         Can be only be: async.
         """
-        self.overloads: List[Tuple[str, str]] = [
+        self.overloads: list[tuple[str, str]] = [
             (_format_args(args), return_annotation)
             for args, return_annotation in self.obj["overloads"]
         ]
@@ -300,7 +299,7 @@ class PythonMethod(PythonFunction):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.properties: List[str] = self.obj["properties"]
+        self.properties: list[str] = self.obj["properties"]
         """The properties that describe what type of method this is.
 
         Can be any of: abstractmethod, async, classmethod, property, staticmethod.
@@ -322,9 +321,9 @@ class PythonProperty(PythonObject):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.annotation: Optional[str] = self.obj["return_annotation"]
+        self.annotation: str | None = self.obj["return_annotation"]
         """The type annotation of this property."""
-        self.properties: List[str] = self.obj["properties"]
+        self.properties: list[str] = self.obj["properties"]
         """The properties that describe what type of property this is.
 
         Can be any of: abstractmethod, classmethod.
@@ -340,12 +339,12 @@ class PythonData(PythonObject):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.value: Optional[str] = self.obj.get("value")
+        self.value: str | None = self.obj.get("value")
         """The value of this attribute.
 
         This will be ``None`` if the value is not constant.
         """
-        self.annotation: Optional[str] = self.obj.get("annotation")
+        self.annotation: str | None = self.obj.get("annotation")
         """The type annotation of this attribute.
 
         This will be ``None`` if an annotation
@@ -424,7 +423,7 @@ class PythonClass(PythonObject):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.bases: List[str] = self.obj["bases"]
+        self.bases: list[str] = self.obj["bases"]
         """The fully qualified names of all base classes."""
 
         self._docstring_resolved: bool = False
@@ -447,7 +446,7 @@ def args(self) -> str:
         return args
 
     @property
-    def overloads(self) -> List[Tuple[str, str]]:
+    def overloads(self) -> list[tuple[str, str]]:
         overloads = []
 
         if self.constructor:
@@ -503,7 +502,7 @@ def classes(self):
         return self._children_of_type("class")
 
     @property
-    @functools.lru_cache()
+    @functools.lru_cache
     def constructor(self):
         for child in self.children:
             if child.short_name == "__init__":

autoapi/documenters.py

@@ -61,8 +61,7 @@ def get_doc(self, encoding=None, ignore=1):
 
     def process_doc(self, docstrings):
         for docstring in docstrings:
-            for line in docstring:
-                yield line
+            yield from docstring
 
         yield ""
 

autoapi/extension.py

@@ -3,7 +3,6 @@
 This extension allows you to automagically generate API documentation from your project.
 """
 
-import io
 import os
 import shutil
 from typing import Dict, Tuple
@@ -228,10 +227,7 @@ def viewcode_find(app, modname):
             children = getattr(obj, "children", ())
             stack.extend((full_name + ".", gchild) for gchild in children)
 
-    if module.obj["encoding"]:
-        stream = io.open(module.obj["file_path"], encoding=module.obj["encoding"])
-    else:
-        stream = open(module.obj["file_path"], encoding="utf-8")
+    stream = open(module.obj["file_path"], encoding=module.obj.get("encoding", "utf-8"))
 
     with stream as in_f:
         source = in_f.read()

docs/changes/449.misc

@@ -0,0 +1 @@
+Drop Python <=3.7 syntax

tests/python/conftest.py

@@ -41,7 +41,7 @@ def build(test_dir, **kwargs):
             suppress.append("app.add_directive")
             suppress.append("app.add_role")
 
-        os.chdir("tests/python/{0}".format(test_dir))
+        os.chdir(f"tests/python/{test_dir}")
         rebuild(**kwargs)
 
     yield build
@@ -60,7 +60,7 @@ def parse():
 
     def parser(path):
         if path not in cache:
-            with io.open(path, encoding="utf8") as file_handle:
+            with open(path, encoding="utf8") as file_handle:
                 cache[path] = BeautifulSoup(file_handle, features="html.parser")
 
         return cache[path]

tests/python/pep695/conf.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 templates_path = ["_templates"]
 source_suffix = ".rst"
 master_doc = "index"

tests/python/py310unionpipe/conf.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 templates_path = ["_templates"]
 source_suffix = ".rst"
 master_doc = "index"

tests/python/py38positionalparams/conf.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 templates_path = ["_templates"]
 source_suffix = ".rst"
 master_doc = "index"