Re-export the SimpleComposition name

mobiusklein · mobiusklein · commit a18b19012067 · 2018-09-04T19:55:20.000-04:00
diff --git a/brainpy/__init__.py b/brainpy/__init__.py
@@ -10,6 +10,9 @@
 from .composition import parse_formula, PyComposition
 
 
+SimpleComposition = PyComposition
+
+
 def get_include():
     """Retrieve the path to compiled C extensions' source files to make linking simple.
 
@@ -40,7 +43,7 @@ def get_include():
     "max_variants", "calculate_mass", "neutral_mass", "mass_charge_ratio",
     "PROTON", "_has_c", "Peak",
 
-    "parse_formula", "PyComposition",
+    "parse_formula", "PyComposition", "SimpleComposition",
 
     "_IsotopicDistribution",
 
diff --git a/brainpy/composition.py b/brainpy/composition.py
@@ -132,3 +132,6 @@ def parse_formula(formula):
 except ImportError as e:
     print(e)
     _has_c = False
+
+
+SimpleComposition = PyComposition
