Improved type-casting, parsing, etc

1 files changed, 32 insertions, 0 deletions

diff --git a/src/sexparse/functions.py b/src/sexparse/functions.py
new file mode 100644
index 0000000..08ba5d9
--- /dev/null
+++ b/src/sexparse/functions.py
@@ -0,0 +1,32 @@
+#Copyright (c) 2014, Joseph Hunkeler <jhunkeler at gmail.com>
+#All rights reserved.
+#
+#Redistribution and use in source and binary forms, with or without
+#modification, are permitted provided that the following conditions are met:
+#
+#1. Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer. 
+#2. Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+#ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+#WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+#ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+#(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+#LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+#ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+def convert_type(s):
+    for cast in (int, float):
+        try:
+            return cast(s)
+        except ValueError:
+            pass
+    return s
\ No newline at end of file