Imported from archive.

[mudpy.git] / lib / muff / muffvars.py

diff --git a/lib/muff/muffvars.py b/lib/muff/muffvars.py
index 9e6f9f1..1abfe86 100644 (file)
--- a/lib/muff/muffvars.py
+++ b/lib/muff/muffvars.py
@@ -6,6 +6,9 @@
 # persistent variables are stored in ini-style files supported by ConfigParser
 import ConfigParser
 
+# need to be able to create the variable save file's directory
+import os
+
 # hack to load all modules in the muff package
 import muff
 for module in muff.__all__:
@@ -52,9 +55,19 @@ macros = {
        "$(red)": chr(27) + "[31m"
        }
 
-# function to save persistent variables to file
 def save():
-       file_descriptor = open(variable_file, "w")
+       """Function to save persistent variables to a file."""
+
+       # try to open the variable file
+       try:
+               file_descriptor = file(variable_file, "w")
+
+       # failing that, make the directory in which it resides first
+       except IOError:
+               os.makedirs(os.sep.join(variable_file.split(os.sep)[:-1]))
+               file_descriptor = file(variable_file, "w")
+
+       # now write the data and close out the file
        variable_data.write(file_descriptor)
        file_descriptor.flush()
        file_descriptor.close()