Current state of mal for Clojure West lighting talk.

1 files changed, 24 insertions, 0 deletions

diff --git a/python/mal_readline.py b/python/mal_readline.py
new file mode 100644
index 0000000..e8cf957
--- /dev/null
+++ b/python/mal_readline.py
@@ -0,0 +1,24 @@
+import os, readline as pyreadline
+
+history_loaded = False
+histfile = os.path.expanduser("~/.mal-history")
+
+def readline(prompt="user> "):
+    if not history_loaded:
+        try:
+            with open(histfile, "r") as hf:
+                for line in hf.readlines():
+                    pyreadline.add_history(line.rstrip("\r\n"))
+                    pass
+        except IOError:
+            print("Could not open %s" % histfile)
+            pass
+
+    try:
+        line = raw_input(prompt)
+        pyreadline.add_history(line)
+        with open(histfile, "a") as hf:
+            hf.write(line + "\n")
+        return line
+    except EOFError:
+        return None