Minor patch release 2.5.2 [rebase & merge]

.actions/assistant.py

@@ -154,8 +154,8 @@ def load_readme_description(path_dir: str, homepage: str, version: str) -> str:
 
     """
     path_readme = os.path.join(path_dir, "README.md")
-    with open(path_readme, encoding="utf-8") as fo:
-        text = fo.read()
+    with open(path_readme, encoding="utf-8") as fopen:
+        text = fopen.read()
 
     # drop images from readme
     text = text.replace(
@@ -308,17 +308,17 @@ def copy_replace_imports(
         if ext in (".pyc",):
             continue
         # Try to parse everything else
-        with open(fp, encoding="utf-8") as fo:
+        with open(fp, encoding="utf-8") as fopen:
             try:
-                lines = fo.readlines()
+                lines = fopen.readlines()
             except UnicodeDecodeError:
                 # a binary file, skip
                 print(f"Skipped replacing imports for {fp}")
                 continue
         lines = _replace_imports(lines, list(zip(source_imports, target_imports)), lightning_by=lightning_by)
         os.makedirs(os.path.dirname(fp_new), exist_ok=True)
-        with open(fp_new, "w", encoding="utf-8") as fo:
-            fo.writelines(lines)
+        with open(fp_new, "w", encoding="utf-8") as fopen:
+            fopen.writelines(lines)
 
 
 def create_mirror_package(source_dir: str, package_mapping: dict[str, str]) -> None:
@@ -370,10 +370,10 @@ def _prune_packages(req_file: str, packages: Sequence[str]) -> None:
 
     @staticmethod
     def _replace_min(fname: str) -> None:
-        with open(fname, encoding="utf-8") as fo:
-            req = fo.read().replace(">=", "==")
-        with open(fname, "w", encoding="utf-8") as fw:
-            fw.write(req)
+        with open(fname, encoding="utf-8") as fopen:
+            req = fopen.read().replace(">=", "==")
+        with open(fname, "w", encoding="utf-8") as fwrite:
+            fwrite.write(req)
 
     @staticmethod
     def replace_oldest_ver(requirement_fnames: Sequence[str] = REQUIREMENT_FILES_ALL) -> None:
@@ -471,15 +471,15 @@ def convert_version2nightly(ver_file: str = "src/version.info") -> None:
         """Load the actual version and convert it to the nightly version."""
         from datetime import datetime
 
-        with open(ver_file) as fo:
-            version = fo.read().strip()
+        with open(ver_file) as fopen:
+            version = fopen.read().strip()
         # parse X.Y.Z version and prune any suffix
         vers = re.match(r"(\d+)\.(\d+)\.(\d+).*", version)
         # create timestamp  YYYYMMDD
         timestamp = datetime.now().strftime("%Y%m%d")
         version = f"{'.'.join(vers.groups())}.dev{timestamp}"
-        with open(ver_file, "w") as fo:
-            fo.write(version + os.linesep)
+        with open(ver_file, "w") as fopen:
+            fopen.write(version + os.linesep)
 
     @staticmethod
     def generate_docker_tags(

.azure/gpu-tests-fabric.yml

@@ -60,10 +60,13 @@ jobs:
           image: "pytorchlightning/pytorch_lightning:base-cuda-py3.10-torch2.1-cuda12.1.1"
           PACKAGE_NAME: "fabric"
         "Fabric | latest":
-          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.6-cuda12.4.1"
+          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
           PACKAGE_NAME: "fabric"
+        #"Fabric | future":
+        #  image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
+        #  PACKAGE_NAME: "fabric"
         "Lightning | latest":
-          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.6-cuda12.4.1"
+          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
           PACKAGE_NAME: "lightning"
     workspace:
       clean: all

.azure/gpu-tests-pytorch.yml

@@ -53,10 +53,13 @@ jobs:
           image: "pytorchlightning/pytorch_lightning:base-cuda-py3.10-torch2.1-cuda12.1.1"
           PACKAGE_NAME: "pytorch"
         "PyTorch | latest":
-          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.6-cuda12.4.1"
+          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
           PACKAGE_NAME: "pytorch"
+        #"PyTorch | future":
+        #  image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
+        #  PACKAGE_NAME: "pytorch"
         "Lightning | latest":
-          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.6-cuda12.4.1"
+          image: "pytorchlightning/pytorch_lightning:base-cuda-py3.12-torch2.7-cuda12.6.3"
           PACKAGE_NAME: "lightning"
     pool: lit-rtx-3090
     variables:
@@ -114,7 +117,6 @@ jobs:
           set -e
           extra=$(python -c "print({'lightning': 'pytorch-'}.get('$(PACKAGE_NAME)', ''))")
           pip install -e ".[${extra}dev]" pytest-timeout -U --extra-index-url="${TORCH_URL}"
-          pip install setuptools==75.6.0 jsonargparse==4.35.0
         displayName: "Install package & dependencies"
 
       - bash: pip uninstall -y lightning

.github/CONTRIBUTING.md

@@ -97,7 +97,7 @@ _**Note**, even if you do not find the solution, sending a PR with a test coveri
 
 1. Add/update the relevant tests!
 
-- [This PR](https://github.com/Lightning-AI/lightning/pull/2671) is a good example for adding a new metric, and [this one for a new logger](https://github.com/Lightning-AI/lightning/pull/2721).
+- [This PR](https://github.com/Lightning-AI/pytorch-lightning/pull/2671) is a good example for adding a new metric, and [this one for a new logger](https://github.com/Lightning-AI/pytorch-lightning/pull/2721).
 
 ### Test cases:
 
@@ -130,11 +130,11 @@ In case you are adding new dependencies, make sure that they are compatible with
 
 ### Documentation
 
-To learn about development of docs, check out the docs [README.md](https://github.com/Lightning-AI/lightning/blob/master/docs/README.md).
+To learn about development of docs, check out the docs [README.md](https://github.com/Lightning-AI/pytorch-lightning/blob/master/docs/README.md).
 
 ### Testing
 
-To learn about tests, check out the tests [README.md](https://github.com/Lightning-AI/lightning/blob/master/tests/README.md).
+To learn about tests, check out the tests [README.md](https://github.com/Lightning-AI/pytorch-lightning/blob/master/tests/README.md).
 
 ### Pull Request
 
@@ -165,8 +165,8 @@ We welcome any useful contribution! For your convenience here's a recommended wo
 
 1. If any of the existing tests fail in your PR on our CI, refer to the following READMEs to identify what's failing and try to address it.
 
-   - [Test README](https://github.com/Lightning-AI/lightning/blob/master/tests/README.md)
-   - [CI/CD README](https://github.com/Lightning-AI/lightning/blob/master/.github/workflows/README.md)
+   - [Test README](https://github.com/Lightning-AI/pytorch-lightning/blob/master/tests/README.md)
+   - [CI/CD README](https://github.com/Lightning-AI/pytorch-lightning/tree/master/.github/workflows#readme)
 
 1. When you feel ready for integrating your work, mark your PR "Ready for review".
 

.github/ISSUE_TEMPLATE/1_bug_report.yaml

@@ -46,12 +46,22 @@ body:
     attributes:
       value: "**Note: The rest of this form is optional, but filling it out may help us to provide better support.**"
 
+  - type: input
+    attributes:
+      label: Reproduced in studio
+      description: >
+        Create a new Lightning Studio with code that reproduces the issue and share the link.
+        Also include all the relevant files and data required to reproduce shared issue.
+        In case the code does not crash, please add assert statements to show what is the real and expected output.
+        A simple guide on how to create such a studio can be found [here](https://www.youtube.com/watch?v=YcW-2Zt_bFg&ab_channel=LightningAI).
+      placeholder: https://lightning.ai/live-session/...
+    validations:
+      required: false
   - type: textarea
     attributes:
       label: How to reproduce the bug
       description: >
-        Provide steps and example code here.
-        You can also paste a link to Google Colab (see our [Colab bug report template](https://colab.research.google.com/github/Lightning-AI/lightning/blob/master/examples/pytorch/bug_report/bug_report_model.ipynb)) or adapt this minimal [snippet](https://github.com/Lightning-AI/lightning/blob/master/examples/pytorch/bug_report/bug_report_model.py).
+        In the special case when the issue can't be reproduced in a studio, provide steps and example code here.
       placeholder: |
         ```python
         # Sample code to reproduce the problem

.github/PULL_REQUEST_TEMPLATE.md

@@ -18,7 +18,7 @@ Fixes #\<issue_number>
   <summary><b>Before submitting</b></summary>
 
 - Was this **discussed/agreed** via a GitHub issue? (not for typos and docs)
-- [ ] Did you read the [contributor guideline](https://github.com/Lightning-AI/lightning/blob/master/.github/CONTRIBUTING.md), **Pull Request** section?
+- [ ] Did you read the [contributor guideline](https://github.com/Lightning-AI/pytorch-lightning/blob/master/.github/CONTRIBUTING.md), **Pull Request** section?
 - [ ] Did you make sure your **PR does only one thing**, instead of bundling different changes together?
 - Did you make sure to **update the documentation** with your changes? (if necessary)
 - Did you write any **new necessary tests**? (not for typos and docs)

.github/checkgroup.yml

@@ -127,12 +127,15 @@ subprojects:
       - "build-cuda (3.11, 2.3.1, 12.1.1)"
       - "build-cuda (3.11, 2.4.1, 12.1.1)"
       - "build-cuda (3.12, 2.5.1, 12.1.1)"
+      - "build-cuda (3.12, 2.6.0, 12.4.1)"
       #- "build-NGC"
       - "build-pl (3.10, 2.1, 12.1.1)"
       - "build-pl (3.11, 2.2, 12.1.1)"
       - "build-pl (3.11, 2.3, 12.1.1)"
       - "build-pl (3.11, 2.4, 12.1.1)"
-      - "build-pl (3.12, 2.5, 12.1.1, true)"
+      - "build-pl (3.12, 2.5, 12.1.1)"
+      - "build-pl (3.12, 2.6, 12.4.1)"
+      - "build-pl (3.12, 2.7, 12.6.3, true)"
 
   # SECTION: lightning_fabric
 
@@ -173,14 +176,15 @@ subprojects:
       - "lightning-fabric (GPUs) (testing Fabric | latest)"
       - "lightning-fabric (GPUs) (testing Lightning | latest)"
 
-  - id: "lightning_fabric: TPU workflow"
-    paths:
-      # tpu CI availability is very limited, so we only require tpu tests
-      # to pass when their configurations are modified
-      - ".github/workflows/tpu-tests.yml"
-      - "tests/tests_fabric/run_tpu_tests.sh"
-    checks:
-      - "test-on-tpus (pytorch, pjrt, v4-8)"
+  # Temporarily disabled
+  #  - id: "lightning_fabric: TPU workflow"
+  #    paths:
+  #      # tpu CI availability is very limited, so we only require tpu tests
+  #      # to pass when their configurations are modified
+  #      - ".github/workflows/tpu-tests.yml"
+  #      - "tests/tests_fabric/run_tpu_tests.sh"
+  #    checks:
+  #      - "test-on-tpus (pytorch, pjrt, v4-8)"
 
   # SECTION: common
 

.github/dependabot.yml

@@ -19,8 +19,6 @@ updates:
       separator: "-"
     # Allow up to 5 open pull requests for pip dependencies
     open-pull-requests-limit: 10
-    reviewers:
-      - "Lightning-AI/teams/core-lightning"
 
   # Enable version updates for GitHub Actions
   - package-ecosystem: "github-actions"
@@ -37,5 +35,3 @@ updates:
       separator: "-"
     # Allow up to 5 open pull requests for GitHub Actions
     open-pull-requests-limit: 10
-    reviewers:
-      - "Lightning-AI/teams/core-lightning"

.github/markdown-links-config.json

@@ -1,10 +1,13 @@
 {
   "ignorePatterns": [
     {
-      "pattern": "^https://github.com/Lightning-AI/lightning/pull/.*"
+      "pattern": "^https://github.com/Lightning-AI/pytorch-lightning/pull/"
     },
     {
-      "pattern": "^https://dev.azure.com/Lightning-AI/lightning/_apis/build/status.*"
+      "pattern": "^https://dev.azure.com/Lightning-AI/lightning/_apis/build/status"
+    },
+    {
+      "pattern": "^https://codecov.io/gh/Lightning-AI/pytorch-lightning/graph/badge.svg"
     }
   ],
   "httpHeaders": [

.github/workflows/_legacy-checkpoints.yml

@@ -111,8 +111,13 @@ jobs:
           retention-days: ${{ env.KEEP_DAYS }}
           include-hidden-files: true
 
+      - name: access secrets
+        # export to env bool if secrets.AWS_REGION is not empty
+        run: echo "WITH_SECRETS=$([ -n '${{ secrets.AWS_REGION }}' ] && echo 1 || echo 0)" >> $GITHUB_ENV
+
       - run: pip install -r requirements/ci.txt
       - name: Upload checkpoints to S3
+        if: ${{ env.WITH_SECRETS == '1' }}
         working-directory: ${{ env.LEGACY_FOLDER }}
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY }}

.github/workflows/call-clear-cache.yml

@@ -23,18 +23,18 @@ on:
 jobs:
   cron-clear:
     if: github.event_name == 'schedule' || github.event_name == 'pull_request'
-    uses: Lightning-AI/utilities/.github/workflows/[email protected].1
+    uses: Lightning-AI/utilities/.github/workflows/[email protected].3
     with:
-      scripts-ref: v0.14.1
+      scripts-ref: v0.14.3
       dry-run: ${{ github.event_name == 'pull_request' }}
       pattern: "latest|docs"
       age-days: 7
 
   direct-clear:
     if: github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request'
-    uses: Lightning-AI/utilities/.github/workflows/[email protected].1
+    uses: Lightning-AI/utilities/.github/workflows/[email protected].3
     with:
-      scripts-ref: v0.14.1
+      scripts-ref: v0.14.3
       dry-run: ${{ github.event_name == 'pull_request' }}
       pattern: ${{ inputs.pattern || 'pypi_wheels' }} # setting str in case of PR / debugging
       age-days: ${{ fromJSON(inputs.age-days) || 0 }} # setting 0 in case of PR / debugging

.github/workflows/ci-check-md-links.yml

@@ -9,12 +9,13 @@ on:
     types: [opened, reopened, ready_for_review, synchronize]
     paths:
       - ".github/workflows/ci-check-md-links.yml"
-      - ".github/workflows/markdown.links.config.json"
+      - ".github/markdown-links-config.json"
       - "**/*.md"
 
 jobs:
   check-md-links:
-    uses: Lightning-AI/utilities/.github/workflows/check-md-links.yml@v0.14.1
+    uses: Lightning-AI/utilities/.github/workflows/check-md-links.yml@main # can be pin with >=0.14.4
     with:
       config-file: ".github/markdown-links-config.json"
       base-branch: "master"
+      force-check-all: "yes"

.github/workflows/ci-schema.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   check:
-    uses: Lightning-AI/utilities/.github/workflows/[email protected].1
+    uses: Lightning-AI/utilities/.github/workflows/[email protected].3
     with:
       # skip azure due to the wrong schema file by MSFT
       # https://github.com/Lightning-AI/lightning-flash/pull/1455#issuecomment-1244793607