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Bash-like Global Substitution

   1 globals().update(os.environ)  # Import environment
   4 def replace_w_global_value(mo):
   5     key =
   6     without_dollar = key[1:]
   7     return str(globals().get(without_dollar, key))
  10 def subs(input):
  11     """Perform Bash-like substitutions.
  13     Any "$FOO" in a string will be replaced with the value of FOO.
  14     If it's not defined, it stays as it was: "$FOO".
  15     """
  16     return re.sub('[$][A-Za-z_]+', replace_w_global_value, input)


The only question I have is: Is there a way to make all assignments within the module, automatically call os.putenv?

So, intercept assignment with setattr or something, on the module.

I don't know how to get a handle to the current module, though.

-- LionKimbro 2005-12-16 20:37:07

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