Prepare for travis-ci

- Includes conda requirements files
- Loosely based on calliope from https://github.com/calliope-project/calliope

.travis.yml

@@ -0,0 +1,44 @@
+# Modified from
+# https://github.com/calliope-project/calliope/blob/master/.travis.yml
+
+language: python
+sudo: false # Use container-based infrastructure
+
+matrix:
+  include:
+    - env:
+      - PYTHON_VERSION="2.7"
+    - env:
+      - PYTHON_VERSION="3.6"
+
+before_install:
+  - if [[ "$PYTHON_VERSION" == "2.7" ]]; then
+      wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh;
+    else
+      wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
+    fi
+  - bash miniconda.sh -b -p $HOME/miniconda
+  - export PATH="$HOME/miniconda/bin:$PATH"
+  - hash -r
+  - conda config --set always_yes yes --set changeps1 no
+  - conda update -q conda
+  # Useful for debugging any issues with conda
+  - conda info -a
+
+install:
+  - conda create -n pypsa python=$PYTHON_VERSION
+  - conda env update -n pypsa --file=requirements.yml
+  - conda env update -n pypsa --file=requirements_dev.yml
+  - source activate pypsa
+  - conda install -c conda-forge python-coveralls # don't install on appveyor
+  - pip install --no-cache-dir .
+
+# before_script:  # configure a headless display to test plot generation
+#   - "export DISPLAY=:99.0"
+#   - "sh -e /etc/init.d/xvfb start"
+#   - sleep 3  # give xvfb some time to start
+
+script: "make test"
+
+after_success:
+  - coveralls

MANIFEST.in

@@ -1,3 +1,5 @@
 include pypsa/component_attrs/*.csv
 include pypsa/standard_types/*.csv
 include pypsa/components.csv
+include README.rst LICENSE.txt
+include requirements.yml

Makefile

@@ -0,0 +1,15 @@
+.PHONY : test sdist upload clean dist
+
+test :
+	pytest --cov pypsa --cov-report term-missing
+
+sdist :
+	python setup.py sdist
+
+upload :
+	twine upload dist/*
+
+clean :
+	rm dist/*
+
+dist : sdist upload clean

requirements.yml

@@ -0,0 +1,15 @@
+name: pypsa
+channels:
+  - conda-forge
+dependencies:
+  - python
+  - six
+  - numpy
+  - pyomo
+  - scipy
+  - pandas>=0.19.0
+  - matplotlib
+  - networkx>=1.10
+  - pyomo
+  - coincbc
+  - glpk

requirements_dev.yml

@@ -0,0 +1,13 @@
+name: pypsa
+
+channels:
+  - conda-forge
+  - anaconda
+
+dependencies:
+  - pytest
+  - pytest-cov
+  - twine
+  - pip:
+    - pypower
+    - pandapower