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PseudoSandbox with some additional functions, which are useful in the template. Additional functions: - "default" calls _default() - "exists": calls _exists()
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Return the eval-result of expr or a "fallback"-value. Use this in the template to use default-values for optional data. The default-value is used if 'expr' does not exist/is invalid/results in None. :Note: the variable-name has to be quoted! (like in eval) :Example: :: @! default("optional_var","fallback_value") !@ <!--(if default("optional",False))-->"YES"<!--(else)-->"NO"<!--(end)--> <!--(for i in default("optional_list",[]))--> |
Test if a variable exists. This tests if 'varname' exists in the current locals-namespace. :Note: the variable-name has to be quoted! (like in eval) This only works for single variable names. If you want to test complicated expressions, use i.e. _default. (i.e. _default("expr",False)) |
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