[Cython] Added the "import_phases" convenience function

interfaces/cython/cantera/__init__.py

@@ -1,6 +1,7 @@
 from ._cantera import *
 from ._cantera import __version__, _have_sundials
 from .liquidvapor import *
+from .utils import *
 
 import os as _os
 add_directory(_os.path.join(_os.path.dirname(__file__), 'data'))

interfaces/cython/cantera/utils.py

@@ -0,0 +1,9 @@
+from . import Solution
+
+
+def import_phases(filename, phase_names):
+    """
+    Import multiple phases from one file. The phase names should be
+    entered as a list of strings.
+    """
+    return [Solution(filename, p) for p in phase_names]