enable Codecov (Lightning-AI#1133)

* update config

* try Drone cache

* drop Drone cache

* move import

* remove token

.codecov.yml

@@ -2,9 +2,15 @@
 # Validation check:
 # $ curl --data-binary @.codecov.yml https://codecov.io/validate
 
+
+# https://docs.codecov.io/docs/codecovyml-reference
 codecov:
+  bot: "codecov-io"
+  strict_yaml_branch: "yaml-config"
+  require_ci_to_pass: yes
   notify:
-    require_ci_to_pass: yes
+    # after_n_builds: 2
+    wait_for_ci: yes
 
 coverage:
   precision: 0  # 2 = xx.xx%, 0 = xx%
@@ -16,15 +22,15 @@ coverage:
       default:
         against: auto
         target: 99% # specify the target coverage for each commit status
-        threshold: 20% # allow this little decrease on project
+        threshold: 30% # allow this little decrease on project
         # https://github.com/codecov/support/wiki/Filtering-Branches
         # branches: master
         if_ci_failed: error
     # https://github.com/codecov/support/wiki/Patch-Status
     patch:
       default:
         against: auto
-        target: 40% # specify the target "X%" coverage to hit
+        target: 50% # specify the target "X%" coverage to hit
         # threshold: 50% # allow this much decrease on patch
     changes: false
 

.drone.yml

@@ -7,17 +7,20 @@ name: torch-GPU
 steps:
 - name: testing
   image: nvcr.io/nvidia/pytorch:20.02-py3
+  environment:
+    SLURM_LOCALID: 0
+    CODECOV_TOKEN:
+      from_secret: codecov_token
   commands:
     - python --version
     - pip install pip -U
     - pip --version
     - nvidia-smi
     #- pip install torch==1.3
     - pip install -r requirements.txt --user
-    - pip install coverage pytest pytest-cov pytest-flake8
+    - pip install coverage pytest pytest-cov pytest-flake8 codecov
     - pip install -r ./tests/requirements.txt --user
     - pip list
-    - export SLURM_LOCALID=0
     - python -c "import torch ; print(' & '.join([torch.cuda.get_device_name(i) for i in range(torch.cuda.device_count())]) if torch.cuda.is_available() else 'only CPU')"
     - coverage run --source pytorch_lightning -m py.test pytorch_lightning tests pl_examples -v --doctest-modules #  --flake8
-    - coverage report
+    - codecov --token $CODECOV_TOKEN  # --pr $DRONE_PULL_REQUEST --build $DRONE_BUILD_NUMBER --branch $DRONE_BRANCH --commit $DRONE_COMMIT --tag $DRONE_TAG

README.md

@@ -9,7 +9,7 @@
 
 [![PyPI Status](https://badge.fury.io/py/pytorch-lightning.svg)](https://badge.fury.io/py/pytorch-lightning)
 [![PyPI Status](https://pepy.tech/badge/pytorch-lightning)](https://pepy.tech/project/pytorch-lightning)
-[![Coverage](docs/source/_static/images/coverage.svg)](https://github.com/PytorchLightning/pytorch-lightning/tree/master/tests#running-coverage)
+[![codecov](https://codecov.io/gh/PyTorchLightning/pytorch-lightning/branch/master/graph/badge.svg)](https://codecov.io/gh/PyTorchLightning/pytorch-lightning)
 [![CodeFactor](https://www.codefactor.io/repository/github/pytorchlightning/pytorch-lightning/badge)](https://www.codefactor.io/repository/github/pytorchlightning/pytorch-lightning)
 
 [![ReadTheDocs](https://readthedocs.org/projects/pytorch-lightning/badge/?version=0.7.1)](https://pytorch-lightning.readthedocs.io/en/0.7.1/)

pytorch_lightning/trainer/trainer.py

@@ -1,3 +1,4 @@
+import inspect
 import logging as log
 import os
 import sys
@@ -437,8 +438,6 @@ def slurm_job_id(self) -> int:
 
     @classmethod
     def default_attributes(cls):
-        import inspect
-
         init_signature = inspect.signature(Trainer)
 
         args = {}

tox.ini

@@ -38,8 +38,8 @@ commands =
     pip list
     check-manifest
     python setup.py check --metadata --strict
-    flake8 .
-    coverage run --source pytorch_lightning -m py.test pytorch_lightning tests pl_examples -v --doctest-modules
+    coverage run --source pytorch_lightning -m py.test pytorch_lightning tests -v --doctest-modules
+    coverage report
     python setup.py sdist
     twine check dist/*