merge ci and appveyor changes in pvlib/master into fx-master

Author: wholmgren

.travis.yml

@@ -14,26 +14,8 @@ matrix:
       env: CONDA_ENV=py27
     - python: 3.4
       env: CONDA_ENV=py34
-      addons:
-          apt:
-            packages:
-            - libatlas-dev
-            - libatlas-base-dev
-            - liblapack-dev
-            - gfortran
-            - libgmp-dev
-            - libmpfr-dev
     - python: 3.5
       env: CONDA_ENV=py35
-      addons:
-          apt:
-            packages:
-            - libatlas-dev
-            - libatlas-base-dev
-            - liblapack-dev
-            - gfortran
-            - libgmp-dev
-            - libmpfr-dev
 
 addons:
     apt:
@@ -68,7 +50,7 @@ install:
     - echo $PATH
     - ls -l /home/travis/miniconda/envs/test_env/lib
     #- pip install . # use pip to automatically install anything not in the yml files (i.e. numpy/scipy/pandas for py3*)
-    - pip install scipy # won't do anything if already installed
+    #- pip install scipy # won't do anything if already installed
     - python setup.py install
 
 script:

README.md

@@ -2,6 +2,7 @@ pvlib-python
 ============
 
 [![TravisCI](https://travis-ci.org/pvlib/pvlib-python.svg?branch=master)](https://travis-ci.org/pvlib/pvlib-python)
+[![Build status](https://ci.appveyor.com/api/projects/status/gr2eyhc84tvtkopk?svg=true)](https://ci.appveyor.com/project/wholmgren/pvlib-python-fv2to)
 [![Coverage Status](https://img.shields.io/coveralls/pvlib/pvlib-python.svg)](https://coveralls.io/r/pvlib/pvlib-python)
 [![Documentation Status](https://readthedocs.org/projects/pvlib-python/badge/?version=latest)](http://pvlib-python.readthedocs.org/en/latest/)
 [![DOI](https://zenodo.org/badge/doi/10.5281/zenodo.20562.svg)](http://dx.doi.org/10.5281/zenodo.20562)

appveyor.yml

@@ -0,0 +1,41 @@
+# CI on Windows via appveyor
+# This file was based on pandas' and xarray's appveyor.yml
+# This file was based on Olivier Grisel's python-appveyor-demo
+
+environment:
+  global:
+    # SDK v7.0 MSVC Express 2008's SetEnv.cmd script will fail if the
+    # /E:ON and /V:ON options are not enabled in the batch script intepreter
+    # See: http://stackoverflow.com/a/13751649/163740
+    CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\appveyor\\run_with_env.cmd"
+
+  matrix:
+    - PYTHON: "C:\\Python27-conda32"
+      PYTHON_VERSION: "2.7"
+      PYTHON_ARCH: "32"
+
+    - PYTHON: "C:\\Python34-conda64"
+      PYTHON_VERSION: "3.4"
+      PYTHON_ARCH: "64"
+
+install:
+    # Install miniconda Python
+    - "powershell ./ci/install_python.ps1"
+
+    # Prepend newly installed Python to the PATH of this build (this cannot be
+    # done from inside the powershell script as it would require to restart
+    # the parent CMD process).
+    - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
+
+    # Check that we have the expected version and architecture for Python
+    - "python --version"
+    - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
+
+    # install xray and depenencies
+    - "conda install --yes --quiet pip numpy scipy pandas nose pytz ephem numba"
+    - "python setup.py install"
+
+build: false
+
+test_script:
+    - "nosetests -v pvlib"

ci/install_python.ps1

@@ -0,0 +1,93 @@
+# Sample script to install Python and pip under Windows
+# Authors: Olivier Grisel, Jonathan Helmus and Kyle Kastner
+# License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/
+
+$MINICONDA_URL = "http://repo.continuum.io/miniconda/"
+$BASE_URL = "https://www.python.org/ftp/python/"
+
+
+function DownloadMiniconda ($python_version, $platform_suffix) {
+    $webclient = New-Object System.Net.WebClient
+    if ($python_version -eq "3.4") {
+        $filename = "Miniconda3-3.7.3-Windows-" + $platform_suffix + ".exe"
+    } else {
+        $filename = "Miniconda-3.7.3-Windows-" + $platform_suffix + ".exe"
+    }
+    $url = $MINICONDA_URL + $filename
+
+    $basedir = $pwd.Path + "\"
+    $filepath = $basedir + $filename
+    if (Test-Path $filename) {
+        Write-Host "Reusing" $filepath
+        return $filepath
+    }
+
+    # Download and retry up to 3 times in case of network transient errors.
+    Write-Host "Downloading" $filename "from" $url
+    $retry_attempts = 2
+    for($i=0; $i -lt $retry_attempts; $i++){
+        try {
+            $webclient.DownloadFile($url, $filepath)
+            break
+        }
+        Catch [Exception]{
+            Start-Sleep 1
+        }
+   }
+   if (Test-Path $filepath) {
+       Write-Host "File saved at" $filepath
+   } else {
+       # Retry once to get the error message if any at the last try
+       $webclient.DownloadFile($url, $filepath)
+   }
+   return $filepath
+}
+
+
+function InstallMiniconda ($python_version, $architecture, $python_home) {
+    Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
+    if (Test-Path $python_home) {
+        Write-Host $python_home "already exists, skipping."
+        return $false
+    }
+    if ($architecture -eq "32") {
+        $platform_suffix = "x86"
+    } else {
+        $platform_suffix = "x86_64"
+    }
+    $filepath = DownloadMiniconda $python_version $platform_suffix
+    Write-Host "Installing" $filepath "to" $python_home
+    $install_log = $python_home + ".log"
+    $args = "/S /D=$python_home"
+    Write-Host $filepath $args
+    Start-Process -FilePath $filepath -ArgumentList $args -Wait -Passthru
+    if (Test-Path $python_home) {
+        Write-Host "Python $python_version ($architecture) installation complete"
+    } else {
+        Write-Host "Failed to install Python in $python_home"
+        Get-Content -Path $install_log
+        Exit 1
+    }
+}
+
+
+function InstallMinicondaPip ($python_home) {
+    $pip_path = $python_home + "\Scripts\pip.exe"
+    $conda_path = $python_home + "\Scripts\conda.exe"
+    if (-not(Test-Path $pip_path)) {
+        Write-Host "Installing pip..."
+        $args = "install --yes pip"
+        Write-Host $conda_path $args
+        Start-Process -FilePath "$conda_path" -ArgumentList $args -Wait -Passthru
+    } else {
+        Write-Host "pip already installed."
+    }
+}
+
+
+function main () {
+    InstallMiniconda $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON
+    InstallMinicondaPip $env:PYTHON
+}
+
+main

ci/requirements-py34.yml

@@ -4,12 +4,13 @@ channels:
     - http://conda.anaconda.org/Unidata
 dependencies:
     - python=3.4
+    - numpy
+    - scipy
+    - pandas
     - nose
     - pytz
     - ephem
-    - siphon
-    #- numba
+    - numba
+	- siphon
     - pip:
-        - numpy
-        - pandas
         - coveralls

ci/requirements-py35.yml

@@ -4,12 +4,13 @@ channels:
     - http://conda.anaconda.org/Unidata
 dependencies:
     - python=3.5
+    - numpy
+    - scipy
+    - pandas
     - nose
     - pytz
     - ephem
-    - siphon
-#    - numba
+    - numba
+	- siphon
     - pip:
-        - numpy
-        - pandas
         - coveralls

pvlib/test/__init__.py

@@ -0,0 +1,34 @@
+# the has/skip patterns closely follow the examples set by
+# the xray/xarray project
+
+import sys
+import platform
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+try:
+    import scipy
+    has_scipy = True
+except ImportError:
+    has_scipy = False
+
+def requires_scipy(test):
+    return test if has_scipy else unittest.skip('requires scipy')(test)
+
+def incompatible_conda_linux_py3(test):
+    """
+    Test won't work in Python 3.x due to Anaconda issue.
+    """
+    major = sys.version_info[0]
+    minor = sys.version_info[1]
+    system = platform.system()
+
+    if major == 3 and system == 'Linux':
+        out = unittest.skip('error on Linux Python 3 due to Anaconda')(test)
+    else:
+        out = test
+
+    return out

pvlib/test/test_pvsystem.py

@@ -10,6 +10,7 @@
 
 from nose.tools import assert_equals, assert_almost_equals
 from pandas.util.testing import assert_series_equal, assert_frame_equal
+from . import incompatible_conda_linux_py3
 
 from pvlib import tmy
 from pvlib import pvsystem
@@ -122,7 +123,7 @@ def test_calcparams_desoto():
                                EgRef=1.121,
                                dEgdT=-0.0002677)
 
-
+@incompatible_conda_linux_py3
 def test_i_from_v():
     output = pvsystem.i_from_v(20, .1, .5, 40, 6e-7, 7)
     assert_almost_equals(-299.746389916, output, 5)
@@ -140,7 +141,7 @@ def test_singlediode_series():
     out = pvsystem.singlediode(cecmodule, IL, I0, Rs, Rsh, nNsVth)
     assert isinstance(out, pd.DataFrame)
 
-
+@incompatible_conda_linux_py3
 def test_singlediode_series():  
     cecmodule = sam_data['cecmod'].Example_Module                       
     out = pvsystem.singlediode(cecmodule, 7, 6e-7, .1, 20, .5)