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--- python [2006/05/08 22:47]
a created
+++ python [2009/05/25 00:35] (current)
@@ Line 1: / Line 1: @@
 ====== Python ======
-==== python interpreter (history + autocomplete) ====
+see: **[[http://www.red-sweater.com/blog/140/learn-python|Good article about learning python]]**, [[http://nodebox.net/]]
-**''.pyrc''**
-  try:
-          import readline
-  except ImportError:
-          print "Module readline not available."
-  else:
-          import rlcompleter
-          readline.parse_and_bind("tab: complete")
-  import os
-  histfile = os.path.join(os.environ["HOME"], ".pyhist")
-  try:
-          readline.read_history_file(histfile)
-  except IOError:
-          pass
-  import atexit
-  atexit.register(readline.write_history_file, histfile)
+==== python interpreter (history + autocomplete) ====
+**''.pyrc''**
+   # startup script for python to enable saving of interpreter history and
+   # enabling name completion
+   # import needed modules
+   import atexit
+   import os
+   import readline
+   import rlcompleter
+   # where is history saved
+   historyPath = os.path.expanduser("~/.pyhistory")
+    # handler for saving history
+    def save_history(historyPath=historyPath):
+       import readline
+       readline.write_history_file(historyPath)
+   # read history, if it exists
+   if os.path.exists(historyPath):
+       readline.read_history_file(historyPath)
+   # register saving handler
+   atexit.register(save_history)
+   # enable completion
+   readline.parse_and_bind('tab: complete')
+   # cleanup
+   del os, atexit, readline, rlcompleter, save_history, historyPath
 **''.bashrc''**
   export PYTHONSTARTUP=~/.pyrc