(gazelle) Always generate BUILD rules in a new folder regardless if it has entrypoint file

Author: yushan8

gazelle/python/generate.go

@@ -85,8 +85,6 @@ func (py *Python) GenerateRules(args language.GenerateArgs) language.GenerateRes
 			if parent != nil && parent.CoarseGrainedGeneration() {
 				return language.GenerateResult{}
 			}
-		} else if !hasEntrypointFile(args.Dir) {
-			return language.GenerateResult{}
 		}
 	}
 

gazelle/python/testdata/subdir_sources/foo/has_main/BUILD.out

@@ -11,5 +11,5 @@ py_binary(
     srcs = ["__main__.py"],
     main = "__main__.py",
     visibility = ["//:__subpackages__"],
-    deps = [":has_main"],
+    deps = ["//foo"],
 )

gazelle/python/testdata/subdir_sources/foo/has_test/BUILD.out

@@ -10,5 +10,5 @@ py_test(
     name = "has_test_test",
     srcs = ["__test__.py"],
     main = "__test__.py",
-    deps = [":has_test"],
+    deps = ["//foo"],
 )