saving dependency work

2022-12-10 21:17:54 -06:00
parent bf923c3406
commit c2c19e5382
5636 changed files with 666283 additions and 8587 deletions
@@ -0,0 +1,57 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
+
+"""Check for if / assign blocks that can be rewritten with if-expressions."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from astroid import nodes
+
+from pylint.checkers import BaseChecker
+
+if TYPE_CHECKING:
+    from pylint.lint import PyLinter
+
+
+class ConsiderTernaryExpressionChecker(BaseChecker):
+
+    name = "consider_ternary_expression"
+    msgs = {
+        "W0160": (
+            "Consider rewriting as a ternary expression",
+            "consider-ternary-expression",
+            "Multiple assign statements spread across if/else blocks can be "
+            "rewritten with a single assignment and ternary expression",
+        )
+    }
+
+    def visit_if(self, node: nodes.If) -> None:
+        if isinstance(node.parent, nodes.If):
+            return
+
+        if len(node.body) != 1 or len(node.orelse) != 1:
+            return
+
+        bst = node.body[0]
+        ost = node.orelse[0]
+
+        if not isinstance(bst, nodes.Assign) or not isinstance(ost, nodes.Assign):
+            return
+
+        for (bname, oname) in zip(bst.targets, ost.targets):
+            if not isinstance(bname, nodes.AssignName) or not isinstance(
+                oname, nodes.AssignName
+            ):
+                return
+
+            if bname.name != oname.name:
+                return
+
+        self.add_message("consider-ternary-expression", node=node)
+
+
+def register(linter: PyLinter) -> None:
+    linter.register_checker(ConsiderTernaryExpressionChecker(linter))