A sample .travis.yml using conda on linux, osx and windows

Description

• This file is intend to be a sample of .travis.yml file for the Travis-CI.

What is the CI ?

• CI here stands for Continuous Integration

• The Wikipedia describes as follows:

...CI is the practice of merging all developers' working copies to a shared mainline several times a day.

• To my understanding, when integrating a new work, the code base integrity must be confirmed.

• As CI may execute a number of tasks such as building, testing, and merging several times a day, certain level of automation is desirable.

• For example, Jenkins, an open source project, can be employed to automate the CI/CD.

What is the Travis-CI.org?

• Also from the Wikipedia:

Travis-CI is a hosted CI service used to build and test software project hosted at GitHub.

• The company HQ is located in Berlin, Germany.

What is the .travis.yml file?

• When a developer git pushs to a Travis-CI-enabled GitHub repository, Travis-CI would build and test the software.

• Travis-CI would search for this .travis-ci.yml file at the root of the repository.

• This .travis-ci.yml file would describe the procedures to build and test the software.

• .yml means YAML format.

Separate shell script files

• One possible way to simplify the .travis.yml file is to write several shell script files describing subsections of the procedure : before_install, install, and script

• For example, to run a my_before_install.sh file, one may consider adding following lines to the .travis.yml file.

before_install:
  - . my_before_install.sh

Recommendation

• Also consider using pip install --requirement <file> [ref]
• This repo includes a simple (untested) python script converting conda recipe yaml files to pip requirement files
• At first, please start small