diff -r b5808c3a9967 -r c8854a6300d1 src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/Annotations/AnnotationsChecker.py
--- a/src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/Annotations/AnnotationsChecker.py Tue May 30 17:25:17 2023 +0200
+++ b/src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/Annotations/AnnotationsChecker.py Wed May 31 13:53:05 2023 +0200
@@ -53,6 +53,8 @@
## Annotation Complexity
"A891",
"A892",
+ ## PEP 604 (use of typing.Union)
+ "A901",
]
def __init__(self, source, filename, tree, select, ignore, expected, repeat, args):
@@ -113,6 +115,7 @@
(self.__checkAnnotationsFuture, ("A871", "A872", "A873")),
(self.__checkAnnotationsCoverage, ("A881",)),
(self.__checkAnnotationComplexity, ("A891", "A892")),
+ (self.__checkAnnotationPep604, ("A901",)),
]
self.__checkers = []
@@ -615,7 +618,7 @@
return annotationLength
#######################################################################
- ## 'from __future__ import annotations' checck
+ ## 'from __future__ import annotations' check
##
## adapted from: flake8-future-annotations v1.1.0
#######################################################################
@@ -650,3 +653,21 @@
if checkFutureAnnotations and visitor.hasSimplifiedTypes():
simplifiedTypes = ", ".join(sorted(visitor.getSimplifiedTypes()))
self.__error(0, 0, "A873", simplifiedTypes)
+
+ #######################################################################
+ ## check use of 'typing.Union' (see PEP 604)
+ ##
+ ## adapted from: flake8-pep604 v1.1.0
+ #######################################################################
+
+ def __checkAnnotationPep604(self):
+ """
+ Private method to check the use of typing.Union.
+ """
+ from .AnnotationsUnionVisitor import AnnotationsUnionVisitor
+
+ visitor = AnnotationsUnionVisitor()
+ visitor.visit(self.__tree)
+
+ for node in visitor.getIssues():
+ self.__error(node.lineno - 1, node.col_offset, "A901")
