Update

.drone.yml

@@ -20,7 +20,7 @@ name: torch-GPU
 
 steps:
 - name: testing
-  image: pytorchlightning/pytorch_lightning:base-cuda-py3.7-torch1.5
+  image: pytorchlightning/pytorch_lightning:base-cuda-py3.7-torch1.6
 
   environment:
     CODECOV_TOKEN:
@@ -32,6 +32,8 @@ steps:
     - pip --version
     - nvidia-smi
     - pip install -r ./requirements/devel.txt --upgrade-strategy only-if-needed -v --no-cache-dir
+    # when Image has defined CUDa version we can switch to this package spec "nvidia-dali-cuda${CUDA_VERSION%%.*}0"
+    - pip install --extra-index-url https://developer.download.nvidia.com/compute/redist nvidia-dali-cuda100 --upgrade-strategy only-if-needed
     - pip list
     - coverage run --source pytorch_lightning -m pytest pytorch_lightning tests -v --color=yes --durations=25 # --flake8
     - python -m pytest benchmarks pl_examples -v --color=yes --maxfail=2 --durations=0 # --flake8
@@ -46,6 +48,7 @@ steps:
 trigger:
   branch:
     - master
+    - release/*
   event:
     include:
     - push

.github/BECOMING_A_CORE_CONTRIBUTOR.md

@@ -53,7 +53,10 @@ different fields contributing!
 The first 5 core contributors will fit this profile. Thus if you overlap strongly with experiences and expertise as someone else on the team, you might have to wait until the next set of contributors are added.
 
 #### Summary: Requirements to apply
-- Solve 10 Github issues. The goal is to be inline with expectations for solving issues by the last one so you can do them on your own. If not, I might ask you to solve a few more specific ones.
-- Do 10 PR reviews. The goal is to be inline with expectations for solving issues by the last one so you can do them on your own. If not, I might ask you to solve a few more specific ones.
+The goal is to be inline with expectations for solving issues by the last one so you can do them on your own. If not, I might ask you to solve a few more specific ones.
 
-If you want to be considered, ping me on gitter and start [tracking your progress here](https://docs.google.com/spreadsheets/d/15D58gp8DvI0Z6qbbYVRuaWioiwzafcP58-UlbuO_CMU/edit?usp=sharing).
+- Solve 10+ Github issues. 
+- Create 5+ meaningful PRs which solves some reported issue - bug,
+- Perform 10+ PR reviews from other contributors.
+
+If you want to be considered, ping me on [Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-f6bl2l0l-JYMK3tbAgAmGRrlNr00f1A).

.github/CODEOWNERS

@@ -5,4 +5,11 @@
 # the repo. Unless a later match takes precedence,
 # @global-owner1 and @global-owner2 will be requested for
 # review when someone opens a pull request.
-*       @williamfalcon @borda @teddykoker @awaelchli @nateraw @justusschock @tchaton @SeanNaren @ananyahjha93
+* @williamfalcon @borda @teddykoker @awaelchli @nateraw @justusschock @tchaton @SeanNaren @ananyahjha93
+
+# Metrics
+/pytorch_lightning/metrics/*  @teddykoker @ananyahjha93 @justusschock
+/tests/metrics/*              @teddykoker @ananyahjha93 @justusschock
+/docs/source/metrics.rst      @teddykoker @ananyahjha93 @justusschock
+
+

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,6 +4,8 @@
 Please include a summary of the change and which issue is fixed.
  Please also include relevant motivation and context.
  List any dependencies that are required for this change.
+
+If we didn't discuss your PR in Github issues there's a high chance it will not be merged.
 -->
 
 Fixes # (issue)
@@ -20,10 +22,14 @@ Fixes # (issue)
 <!-- For CHANGELOG separate each item in unreleased section by a blank line to reduce collisions -->
 
 ## PR review
- - [ ] Is this pull request ready for review? (if not, please submit in draft mode)
+Anyone in the community is free to review the PR once the tests have passed.
+Before you start reviewing make sure you have read [Review guidelines](https://github.com/PyTorchLightning/pytorch-lightning/wiki/Review-guidelines). In in short, see following bullet-list:  
 
-Anyone in the community is free to review the PR once the tests have passed.    
-If we didn't discuss your PR in Github issues there's a high chance it will not be merged.
+ - [ ] Is this pull request ready for review? (if not, please submit in draft mode)
+ - [ ] Check that all items from **Before submitting** are resolved
+ - [ ] Make sure the title is self explanatory and the description concisely explains the PR
+ - [ ] Add labels and milestones (and optionally projects) to the PR so it can be classified; _Bugfixes should be including in bug-fix release milestones (m.f.X) and features should be included in (m.X.b) releases._
+
 
 ## Did you have fun?
 Make sure you had fun coding 🙃

.github/workflows/ci_dockers.yml

@@ -4,9 +4,9 @@ name: CI build Docker
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
   build-PL:
@@ -24,7 +24,7 @@ jobs:
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v1
       - name: Build PL Docker
-        # publish master
+        # publish master/release
         uses: docker/build-push-action@v2
         with:
           build-args: |
@@ -40,7 +40,7 @@ jobs:
       fail-fast: false
       matrix:
         python_version: [3.7]
-        xla_version: [1.6]  # todo: , "nightly"
+        xla_version: [1.6, "nightly"]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -49,13 +49,13 @@ jobs:
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v1
       - name: Build XLA Docker
-        # publish master
+        # publish master/release
         uses: docker/build-push-action@v2
         with:
           build-args: |
             PYTHON_VERSION=${{ matrix.python_version }}
             XLA_VERSION=${{ matrix.xla_version }}
-          cache-from: pytorchlightning/pytorch_lightning:base-xla-cache-py${{ matrix.python_version }}-torch${{ matrix.xla_version }}
+          cache-from: pytorchlightning/pytorch_lightning:base-xla-py${{ matrix.python_version }}-torch${{ matrix.xla_version }}
           file: dockers/base-xla/Dockerfile
           push: false
         timeout-minutes: 50
@@ -66,8 +66,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          #- python_version: 3.8
-          #  pytorch_version: 1.7  # todo
+          - python_version: 3.8
+            pytorch_version: 1.7
           - python_version: 3.7
             pytorch_version: 1.6
           - python_version: 3.6
@@ -86,14 +86,14 @@ jobs:
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v1
       - name: Build CUDA Docker
-        # publish master
+        # publish master/release
         uses: docker/build-push-action@v2
         with:
           build-args: |
             PYTHON_VERSION=${{ matrix.python_version }}
             PYTORCH_VERSION=${{ matrix.pytorch_version }}
             CUDA_VERSION=${{ steps.extend.outputs.CUDA }}
-          cache-from: pytorchlightning/pytorch_lightning:base-cuda-cache-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}
+          cache-from: pytorchlightning/pytorch_lightning:base-cuda-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}
           file: dockers/base-cuda/Dockerfile
           push: false
         timeout-minutes: 50
@@ -108,8 +108,11 @@ jobs:
             pytorch_version: 1.6
           - python_version: 3.6
             pytorch_version: 1.4
-          #- python_version: 3.7
-          #  pytorch_version: 1.8  # todo
+          - python_version: 3.7
+            pytorch_version: 1.7
+          # TODO
+          # - python_version: 3.7
+          #   pytorch_version: 1.8
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -126,15 +129,15 @@ jobs:
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v1
       - name: Build CUDA Docker
-        # publish master
+        # publish master/release
         uses: docker/build-push-action@v2
         with:
           build-args: |
             PYTHON_VERSION=${{ matrix.python_version }}
             PYTORCH_VERSION=${{ matrix.pytorch_version }}
             PYTORCH_CHANNEL=${{ steps.extend.outputs.CHANNEL }}
             CUDA_VERSION=${{ steps.extend.outputs.CUDA }}
-          cache-from: pytorchlightning/pytorch_lightning:base-conda-cache-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}
+          cache-from: pytorchlightning/pytorch_lightning:base-conda-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}
           file: dockers/base-conda/Dockerfile
           push: false
         timeout-minutes: 50

.github/workflows/ci_pkg-install.yml

@@ -3,9 +3,9 @@ name: Install pkg
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
 
@@ -20,7 +20,7 @@ jobs:
         python-version: [3.6, 3.8]
 
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}

.github/workflows/ci_test-base.yml

@@ -3,9 +3,9 @@ name: CI base testing
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
   doctest:
@@ -72,7 +72,7 @@ jobs:
         coverage run --source pytorch_lightning -m pytest pytorch_lightning -v --color=yes --junitxml=junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml
 
     - name: Upload pytest test results
-      uses: actions/upload-artifact@master
+      uses: actions/upload-artifact@v2
       with:
         name: pytest-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}
         path: junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml

.github/workflows/ci_test-conda.yml

@@ -3,9 +3,9 @@ name: PyTorch & Conda
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
   conda:
@@ -16,7 +16,7 @@ jobs:
       matrix:
         # os: [ubuntu-20.04]
         python-version: [3.7]
-        pytorch-version: [1.3, 1.4, 1.5, 1.6]  # , 1.7 # todo
+        pytorch-version: [1.3, 1.4, 1.5, 1.6, 1.7]
 
     # Timeout: https://stackoverflow.com/a/59076067/4521646
     timeout-minutes: 35
@@ -46,7 +46,7 @@ jobs:
       shell: bash -l {0}
 
     - name: Upload pytest test results
-      uses: actions/upload-artifact@master
+      uses: actions/upload-artifact@v2
       with:
         name: pytest-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}
         path: junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml

.github/workflows/ci_test-full.yml

@@ -3,9 +3,9 @@ name: CI complete testing
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
   pytest:
@@ -89,7 +89,7 @@ jobs:
       run: |
         # python -m pip install --upgrade --user pip
         pip install --requirement requirements.txt --find-links https://download.pytorch.org/whl/cpu/torch_stable.html --quiet --upgrade
-        pip install --requirement ./requirements/devel.txt --quiet --upgrade
+        pip install --requirement ./requirements/devel.txt --find-links https://download.pytorch.org/whl/cpu/torch_stable.html --quiet --upgrade
         python --version
         pip --version
         pip list
@@ -122,7 +122,7 @@ jobs:
         coverage run --source pytorch_lightning -m pytest pytorch_lightning tests pl_examples -v --color=yes --durations=0 --junitxml=junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml
 
     - name: Upload pytest test results
-      uses: actions/upload-artifact@master
+      uses: actions/upload-artifact@v2
       with:
         name: pytest-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}
         path: junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml

.github/workflows/ci_test-tpu.yml

@@ -2,7 +2,7 @@ name: TPU tests
 
 on:
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
 # TODO: temporal disable TPU testing until we find way how to pass credentials to forked PRs
 #  pull_request:
 #    branches:
@@ -119,7 +119,7 @@ jobs:
         #  pycobertura show coverage.xml
 
     - name: Upload coverage results
-      uses: actions/upload-artifact@master
+      uses: actions/upload-artifact@v2
       with:
         name: coverage-TPU
         path: coverage

.github/workflows/code-formatting.yml

@@ -2,9 +2,9 @@ name: "Check Code Format"
 
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
   code-black:

.github/workflows/docker-builds.yml

@@ -3,7 +3,7 @@ name: Publish Docker Releases
 # https://github.com/docker/build-push-action
 on:
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   release:
     types: [created]
 
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         python_version: [3.6, 3.7, 3.8]
-        pytorch_version: [1.3, 1.4, 1.5, 1.6]
+        pytorch_version: [1.3, 1.4, 1.5, 1.6, 1.7]
         exclude:
           # excludes PT 1.3 as it is missing on pypi
           - python_version: 3.8

.github/workflows/docs-checks.yml

@@ -3,12 +3,12 @@ name: "Docs check"
 
 on:  # Trigger the workflow on push or pull request, but only for the master branch
   push:
-    branches: [master]
+    branches: [master, "release/*"]  # include release branches like release/1.0.x
   pull_request:
-    branches: [master]
+    branches: [master, "release/*"]
 
 jobs:
-  check-docs:
+  sphinx-check:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
           python-version: 3.7
@@ -48,6 +48,7 @@ jobs:
           # python -m pip install --upgrade --user pip
           pip install --requirement requirements.txt --upgrade-strategy only-if-needed --find-links https://download.pytorch.org/whl/cpu/torch_stable.html --quiet
           pip install --requirement requirements/extra.txt
+          pip install --requirement requirements/loggers.txt
           pip install --requirement requirements/docs.txt
           python --version
           pip --version
@@ -68,7 +69,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
           python-version: 3.7