Add travis file

.travis.yml

@@ -0,0 +1,49 @@
+language: python
+python:
+  - "3.6"
+
+env:
+  global:
+    - DOCKER_IMAGE=stablebaselines/stable-baselines3-cpu:0.6.0a5
+
+notifications:
+  email: false
+
+services:
+  - docker
+
+install:
+  - docker pull ${DOCKER_IMAGE}
+
+script:
+  - ./scripts/run_tests_travis.sh "${TEST_GLOB}"
+
+jobs:
+  include:
+    # Big test suite. Run in parallel to decrease wall-clock time, and to avoid OOM error from leaks
+    - stage: Test
+      name: "Unit Tests a-h"
+      env: TEST_GLOB="[a-h]*"
+
+    - name: "Unit Tests i-l"
+      env: TEST_GLOB="[i-l]*"
+
+    - name: "Unit Tests m-sa"
+      env: TEST_GLOB="{[m-r]*,sa*}"
+
+    - name: "Unit Tests sb-z"
+      env: TEST_GLOB="{s[b-z]*,[t-z]*}"
+
+    - name: "Sphinx Documentation"
+      script:
+        - 'docker run -it --rm --mount src=$(pwd),target=/root/code/stable-baselines3,type=bind ${DOCKER_IMAGE} bash -c "cd /root/code/stable-baselines3/ && pushd docs/ && make clean && make html"'
+
+    - name: "Type Checking"
+      script:
+        - 'docker run --rm --mount src=$(pwd),target=/root/code/stable-baselines3,type=bind ${DOCKER_IMAGE} bash -c "cd /root/code/stable-baselines3/ && pytype --version && pytype"'
+
+    - stage: Codacy Trigger
+      if: type != pull_request
+      script:
+        # When all test coverage reports have been uploaded, instruct Codacy to start analysis.
+        - 'docker run -it --rm --network host --ipc=host --mount src=$(pwd),target=/root/code/stable-baselines3,type=bind --env CODACY_PROJECT_TOKEN=${CODACY_PROJECT_TOKEN} ${DOCKER_IMAGE} bash -c "cd /root/code/stable-baselines3/ && java -jar /root/code/codacy-coverage-reporter.jar final"'

docs/conf.py

@@ -218,4 +218,5 @@ texinfo_documents = [
 
 # kornia's hack to get rtd builder to install latest pytorch
 if on_rtd:
+    os.system('pip install gym')
     os.system('pip install torch==1.5.0+cpu torchvision==0.6.0+cpu -f https://download.pytorch.org/whl/torch_stable.html')

scripts/run_tests_travis.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+DOCKER_CMD="docker run -it --rm --network host --ipc=host --mount src=$(pwd),target=/root/code/stable-baselines3,type=bind"
+BASH_CMD="cd /root/code/stable-baselines3/"
+
+if [[ $# -ne 1 ]]; then
+  echo "usage: $0 <test glob>"
+  exit 1
+fi
+
+if [[ ${DOCKER_IMAGE} = "" ]]; then
+  echo "Need DOCKER_IMAGE environment variable to be set."
+  exit 1
+fi
+
+TEST_GLOB=$1
+
+set -e  # exit immediately on any error
+
+# For pull requests from fork, Codacy token is not available, leading to build failure
+if [[ ${CODACY_PROJECT_TOKEN} = "" ]]; then
+  echo "WARNING: CODACY_PROJECT_TOKEN not set. Skipping Codacy upload."
+  echo "(This is normal when building in a fork and can be ignored.)"
+  ${DOCKER_CMD} ${DOCKER_IMAGE} \
+      bash -c "${BASH_CMD} && \
+               pytest --cov-config .coveragerc --cov-report term --cov=. -v tests/test_${TEST_GLOB}"
+else
+  ${DOCKER_CMD} --env CODACY_PROJECT_TOKEN=${CODACY_PROJECT_TOKEN} ${DOCKER_IMAGE} \
+      bash -c "${BASH_CMD} && \
+                pytest --cov-config .coveragerc --cov-report term --cov-report xml --cov=. -v tests/test_${TEST_GLOB} && \
+                java -jar /root/code/codacy-coverage-reporter.jar report -l python -r coverage.xml --partial"
+fi