pydy · moorepants · Dec 29, 2015 · Dec 27, 2015 · Dec 29, 2015
diff --git a/README.rst b/README.rst
@@ -2,7 +2,7 @@
 PyDy
 ====
 
-|pypi| |anaconda| |rtd-docs| |travis-build| |Gitter Badge|
+|pypi| |anaconda| |rtd-docs| |travis-build| |appveyor| |gitter|
 
 .. |pypi| image:: https://img.shields.io/pypi/v/pydy.svg
    :target: https://pypi.python.org/pypi/pydy
@@ -18,7 +18,10 @@ PyDy
 .. |travis-build| image:: https://travis-ci.org/pydy/pydy.png?branch=master
    :target: https://travis-ci.org/pydy/pydy
 
-.. |Gitter Badge| image:: https://badges.gitter.im/Join%20Chat.svg
+.. |appveyor| image:: https://ci.appveyor.com/api/projects/status/orj87gyb0c1wqc6j/branch/master?svg=true
+   :targety: https://ci.appveyor.com/project/moorepants/pydy/branch/master
+
+.. |gitter| image:: https://badges.gitter.im/Join%20Chat.svg
    :target: https://gitter.im/pydy/pydy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
 
 PyDy_, short for Python Dynamics, is a tool kit written in the Python

diff --git a/appveyor.yml b/appveyor.yml
@@ -0,0 +1,47 @@
+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:\\Miniconda-x64"
+      PYTHON_VERSION: "2.7"
+      PYTHON_ARCH: "64"
+      CONDA_PY: "27"
+
+    - PYTHON: "C:\\Miniconda3-x64"
+      PYTHON_VERSION: "3.4"
+      PYTHON_ARCH: "64"
+      CONDA_PY: "34"
+
+    - PYTHON: "C:\\Miniconda35-x64"
+      PYTHON_VERSION: "3.5"
+      PYTHON_ARCH: "64"
+      CONDA_PY: "35"
+
+install:
+  - ECHO "Filesystem root:"
+  - ps: "ls \"C:/\""
+
+  - ECHO "Installed SDKs:"
+  - ps: "ls \"C:/Program Files/Microsoft SDKs/Windows\""
+
+  # This upates conda and installs the necessary packages.
+  - powershell .\\appveyor\\install.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)\""
+
+build: false
+
+test_script:
+  - "%CMD_IN_ENV% nosetests -v --with-coverage --cover-package=pydy"
diff --git a/appveyor/install.ps1 b/appveyor/install.ps1
@@ -0,0 +1,25 @@
+# Sample script to install Miniconda under Windows
+# Authors: Olivier Grisel, Jonathan Helmus and Kyle Kastner, Robert McGibbon
+# License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/
+#
+function UpdateConda ($python_home) {
+    $conda_path = $python_home + "\Scripts\conda.exe"
+    Write-Host "Updating conda..."
+    $args = "update --yes conda"
+    Write-Host $conda_path $args
+    Start-Process -FilePath "$conda_path" -ArgumentList $args -Wait -Passthru
+}
+
+function InstallCondaPackages ($python_home, $spec) {
+    $conda_path = $python_home + "\Scripts\conda.exe"
+    $args = "install --yes " + $spec
+    Write-Host ("conda " + $args)
+    Start-Process -FilePath "$conda_path" -ArgumentList $args -Wait -Passthru
+}
+
+function main () {
+    UpdateConda $env:PYTHON
+    InstallCondaPackages $env:PYTHON "numpy scipy sympy cython nose coverage"
+}
+
+main
diff --git a/appveyor/run_with_env.cmd b/appveyor/run_with_env.cmd
@@ -0,0 +1,89 @@
+:: To build extensions for 64 bit Python 3, we need to configure environment
+:: variables to use the MSVC 2010 C++ compilers from GRMSDKX_EN_DVD.iso of:
+:: MS Windows SDK for Windows 7 and .NET Framework 4 (SDK v7.1)
+::
+:: To build extensions for 64 bit Python 2, we need to configure environment
+:: variables to use the MSVC 2008 C++ compilers from GRMSDKX_EN_DVD.iso of:
+:: MS Windows SDK for Windows 7 and .NET Framework 3.5 (SDK v7.0)
+::
+:: 32 bit builds, and 64-bit builds for 3.5 and beyond, do not require specific
+:: environment configurations.
+::
+:: Note: this script needs to be run with the /E:ON and /V:ON flags for the
+:: cmd interpreter, at least for (SDK v7.0)
+::
+:: More details at:
+:: https://github.com/cython/cython/wiki/64BitCythonExtensionsOnWindows
+:: http://stackoverflow.com/a/13751649/163740
+::
+:: Author: Olivier Grisel
+:: License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/
+::
+:: Notes about batch files for Python people:
+::
+:: Quotes in values are literally part of the values:
+::      SET FOO="bar"
+:: FOO is now five characters long: " b a r "
+:: If you don't want quotes, don't include them on the right-hand side.
+::
+:: The CALL lines at the end of this file look redundant, but if you move them
+:: outside of the IF clauses, they do not run properly in the SET_SDK_64==Y
+:: case, I don't know why.
+@ECHO OFF
+
+SET COMMAND_TO_RUN=%*
+SET WIN_SDK_ROOT=C:\Program Files\Microsoft SDKs\Windows
+SET WIN_WDK=c:\Program Files (x86)\Windows Kits\10\Include\wdf
+
+:: Extract the major and minor versions, and allow for the minor version to be
+:: more than 9.  This requires the version number to have two dots in it.
+SET MAJOR_PYTHON_VERSION=%PYTHON_VERSION:~0,1%
+IF "%PYTHON_VERSION:~3,1%" == "." (
+    SET MINOR_PYTHON_VERSION=%PYTHON_VERSION:~2,1%
+) ELSE (
+    SET MINOR_PYTHON_VERSION=%PYTHON_VERSION:~2,2%
+)
+
+:: Based on the Python version, determine what SDK version to use, and whether
+:: to set the SDK for 64-bit.
+IF %MAJOR_PYTHON_VERSION% == 2 (
+    SET WINDOWS_SDK_VERSION="v7.0"
+    SET SET_SDK_64=Y
+) ELSE (
+    IF %MAJOR_PYTHON_VERSION% == 3 (
+        SET WINDOWS_SDK_VERSION="v7.1"
+        IF %MINOR_PYTHON_VERSION% LEQ 4 (
+            SET SET_SDK_64=Y
+        ) ELSE (
+            SET SET_SDK_64=N
+            IF EXIST "%WIN_WDK%" (
+                :: See: https://connect.microsoft.com/VisualStudio/feedback/details/1610302/
+                REN "%WIN_WDK%" 0wdf
+            )
+        )
+    ) ELSE (
+        ECHO Unsupported Python version: "%MAJOR_PYTHON_VERSION%"
+        EXIT 1
+    )
+)
+
+IF %PYTHON_ARCH% == 64 (
+    IF %SET_SDK_64% == Y (
+        ECHO Configuring Windows SDK %WINDOWS_SDK_VERSION% for Python %MAJOR_PYTHON_VERSION% on a 64 bit architecture
+        SET DISTUTILS_USE_SDK=1
+        SET MSSdk=1
+        "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Setup\WindowsSdkVer.exe" -q -version:%WINDOWS_SDK_VERSION%
+        "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Bin\SetEnv.cmd" /x64 /release
+        ECHO Executing: %COMMAND_TO_RUN%
+        call %COMMAND_TO_RUN% || EXIT 1
+    ) ELSE (
+        ECHO Using default MSVC build environment for 64 bit architecture
+        ECHO Executing: %COMMAND_TO_RUN%
+        call %COMMAND_TO_RUN% || EXIT 1
+    )
+) ELSE (
+    ECHO Using default MSVC build environment for 32 bit architecture
+    ECHO Executing: %COMMAND_TO_RUN%
+    call %COMMAND_TO_RUN% || EXIT 1
+)
+
diff --git a/pydy/codegen/cython_code.py b/pydy/codegen/cython_code.py
@@ -181,14 +181,17 @@ def write(self, path=None):
         with open(os.path.join(path, self.prefix + '.pyx'), 'w') as f:
             f.write(pyx)
 
-    def compile(self, tmp_dir=None):
+    def compile(self, tmp_dir=None, verbose=False):
         """Returns a function which evaluates the matrices.
 
         Parameters
         ==========
         tmp_dir : string
             The path to an existing or non-existing directory where all of
             the generated files will be stored.
+        verbose : boolean
+            If true the output of the completed compilation steps will be
+            printed.
 
         """
 
@@ -213,15 +216,9 @@ def compile(self, tmp_dir=None):
             self.write()
             cmd = [sys.executable, self.prefix + '_setup.py', 'build_ext',
                    '--inplace']
-            try:
-                DEVNULL = subprocess.DEVNULL
-            except AttributeError:
-                DEVNULL = open(os.devnull, 'wb')
-            subprocess.check_call(cmd, stdout=DEVNULL, stderr=subprocess.STDOUT)
-            try:
-                DEVNULL.close()
-            except Exception:
-                pass
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+            if verbose:
+                print(output.decode())
             cython_module = importlib.import_module(self.prefix)
         except:
             raise Exception('Failed to compile and import Cython module.')
@@ -230,7 +227,12 @@ def compile(self, tmp_dir=None):
             CythonMatrixGenerator._module_counter += 1
             os.chdir(workingdir)
             if tmp_dir is None:
-                shutil.rmtree(codedir)
+                # rmtree fails on Windows with permissions errors, so skip the
+                # removal on Windows.
+                try:
+                    shutil.rmtree(codedir)
+                except OSError:
+                    pass
 
         self.prefix = base_prefix
 

diff --git a/pydy/codegen/tests/test_ode_function_generator.py b/pydy/codegen/tests/test_ode_function_generator.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 from random import choice
+import warnings
 
 import numpy as np
 import scipy as sp
@@ -14,6 +15,9 @@
                                        LambdifyODEFunctionGenerator,
                                        CythonODEFunctionGenerator,
                                        TheanoODEFunctionGenerator)
+from ...utils import PyDyImportWarning
+
+warnings.simplefilter('once', PyDyImportWarning)
 
 
 class TestODEFunctionGenerator(object):
@@ -113,9 +117,19 @@ def test_set_linear_system_solver(self):
 
 class TestODEFunctionGeneratorSubclasses(object):
 
-    ode_function_subclasses = [LambdifyODEFunctionGenerator,
-                               CythonODEFunctionGenerator,
-                               TheanoODEFunctionGenerator]
+    ode_function_subclasses = [LambdifyODEFunctionGenerator]
+
+    if Cython:
+        ode_function_subclasses.append(CythonODEFunctionGenerator)
+    else:
+        warnings.warn("Cython was not found so the related tests are being"
+                      " skipped.", PyDyImportWarning)
+
+    if theano:
+        ode_function_subclasses.append(TheanoODEFunctionGenerator)
+    else:
+        warnings.warn("Theano was not found so the related tests are being"
+                      " skipped.", PyDyImportWarning)
 
     def setup(self):
 

diff --git a/pydy/tests/test_system.py b/pydy/tests/test_system.py
@@ -1,17 +1,21 @@
 #!/usr/bin/env python
 
+import warnings
+
 import numpy as np
 from numpy import testing
 import sympy as sm
 from sympy.physics.mechanics import dynamicsymbols
 from scipy.integrate import odeint
+theano = sm.external.import_module('theano')
 
 from ..system import System
 from ..models import multi_mass_spring_damper, n_link_pendulum_on_cart
-from ..utils import sympy_equal_to_or_newer_than
+from ..utils import sympy_equal_to_or_newer_than, PyDyImportWarning
 
 SYMPY_VERSION = sm.__version__
 
+warnings.simplefilter('once', PyDyImportWarning)
 
 class TestSystem():
 
@@ -385,10 +389,14 @@ def test_integrate(self):
 
         # Test a generator other than lambdify.
         # -------------------------------------
-        sys.generate_ode_function(generator='theano')
-        sys.times = times
-        x_06 = sys.integrate()
-        testing.assert_allclose(x_04, x_06)
+        if theano:
+            sys.generate_ode_function(generator='theano')
+            sys.times = times
+            x_06 = sys.integrate()
+            testing.assert_allclose(x_04, x_06)
+        else:
+            warnings.warn("Theano was not found so the related tests are being"
+                          " skipped.", PyDyImportWarning)
 
         # Unrecognized generator.
         # -----------------------