--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/numerics/write.py	Sun Mar 01 09:19:25 2015 -0800
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+
+"""
+serialization (CSV)
+"""
+
+# imports
+import csv
+
+# module globals
+__all__ = ['CSVWriter']
+string = (str, unicode)
+
+class CSVWriter(object):
+    """CSV writer interface"""
+
+    def __init__(self, f, mode='a'):
+        """
+        f -- file path or object
+        """
+
+        if isinstance(f, string):
+            f = open(f, mode)
+        self.f = f
+        self.writer = csv.writer(f)
+
+    def writerow(*row):
+        self.writer.writerow(row)
+        self.f.flush()
+    __call__ = writerow
+
+    def write(self, rows):
+        for row in rows:
+            self(*row)
+
+    def close(self):
+        if self.f is not None:
+            self.f.close()
+    __del__ = close