fix(manager/uv): handle unnamed index

Author: mkniewallner

lib/modules/manager/pep621/extract.spec.ts

@@ -390,6 +390,21 @@ describe('modules/manager/pep621/extract', () => {
       ]);
     });
 
+    it('should extract dependencies from uv when using unnamed index', async () => {
+      const result = await extractPackageFile(
+        codeBlock`
+        [project]
+        dependencies = ["dep1"]
+
+        [[tool.uv.index]]
+        url = "https://example.com"
+        `,
+        'pyproject.toml',
+      );
+
+      expect(result?.deps).toMatchObject([{ depName: 'dep1' }]);
+    });
+
     it('should extract dependencies from hatch environments', async () => {
       const hatchPyProject = Fixtures.get('pyproject_with_hatch.toml');
       const result = await extractPackageFile(hatchPyProject, 'pyproject.toml');

lib/modules/manager/pep621/processors/uv.ts

@@ -339,6 +339,10 @@ async function getUvIndexCredentials(
   const entries = [];
 
   for (const { name, url } of uv_indexes) {
+    if (!name) {
+      continue;
+    }
+
     const parsedUrl = parseUrl(url);
     // istanbul ignore if
     if (!parsedUrl) {

lib/modules/manager/pep621/schema.ts

@@ -79,7 +79,7 @@ const UvSchema = z.object({
   index: z
     .array(
       z.object({
-        name: z.string(),
+        name: z.string().optional(),
         url: z.string(),
         default: z.boolean().default(false),
         explicit: z.boolean().default(false),