Some windows changes

wrappers/python/simtk/openmm/__init__.py

@@ -10,11 +10,22 @@ It also tries to load any plugin modules it can find.
 __author__ = "Randall J. Radmer"
 
 import os, os.path
+import sys
+from simtk.openmm import version
+
+if sys.platform == 'win32':
+    _path = os.environ['PATH']
+    os.environ['PATH'] = '%(lib)s;%(lib)s\plugins' % {'lib': version.openmm_library_path}
+
 from simtk.openmm.openmm import *
 from simtk.openmm.vec3 import Vec3
-from simtk.openmm import version
+
 if os.getenv('OPENMM_PLUGIN_DIR') is None and os.path.isdir(version.openmm_library_path):
     pluginLoadedLibNames = Platform.loadPluginsFromDirectory(os.path.join(version.openmm_library_path, 'plugins'))
 else:
     pluginLoadedLibNames = Platform.loadPluginsFromDirectory(Platform.getDefaultPluginsDirectory())
+
+if sys.platform == 'win32':
+    os.environ['PATH'] = _path
+    del _path
 __version__ = Platform.getOpenMMVersion()

wrappers/python/src/swig_doxygen/swig_lib/python/typemaps.i

@@ -168,36 +168,3 @@
     // createCheckpoint returns a bytes object
     $result = PyBytes_FromStringAndSize($1.c_str(), $1.length());
 }
-
-%typemap(in) const std::string & (std::string temp2) {
-    // if we have a C++ method that takes in a std::string, we're most happy to
-    // accept a python bytes object. But if the user passes in a unicode object
-    // we'll try to recover by encoding it to UTF-8 bytes
-    PyObject* temp = NULL;
-    char* c_str = NULL;
-    Py_ssize_t len = 0;
-
-    if (PyUnicode_Check($input)) {
-        temp = PyUnicode_AsUTF8String($input);
-        if (temp == NULL) {
-            SWIG_exception_fail(SWIG_TypeError, "$symname: 'utf-8' codec can't decode byte");
-        }
-        PyBytes_AsStringAndSize(temp, &c_str, &len);
-        Py_XDECREF(temp);
-    } else if (PyBytes_Check($input)) {
-        PyBytes_AsStringAndSize($input, &c_str, &len);
-    } else {
-        SWIG_exception_fail(SWIG_TypeError, "$symname: argument must be str or bytes");
-    }
-
-    if (c_str == NULL) {
-        SWIG_exception_fail(SWIG_TypeError, "$symname: argument must be str or bytes");
-    }
-
-    temp2 = std::string(c_str, len);
-    $1 = &temp2;
-}
-
-%typemap(freearg) const std::string & {
-  // pass
-}