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Finish up CHEP #2

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R. Tyler Ballance 2009-06-08 00:39:51 -07:00
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www/cheps/2_import.rst
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@ -92,12 +92,30 @@ to the top of the generated module code (i.e. the module import)
Rationale
---------
The concept of the "function import" was introduced in Cheetah v2.1.0
and quickly retrofitted to "live" behind a compiler setting due to the
regressions with older templates or templates that were designed to utilize
module imports (through heavy #block/#end block use, etc). Through discussion
with Tavis Rudd, this middle ground between the two styles of importing was
concluded to be the most reasonable solution to providing "pythonic" import
functionality (i.e. "function import" also known as "inline imports") while
still providing the ability to have #from/#import directives declared at the
module scope within the template (within the Cheetah templates, markup and most
directives declared within the module scope are placed inside the default method).
Backwards Compatibility
-----------------------
Changes proposed in this document should be *mostly* backwards
compatible with current versions of Cheetah, Any unforeseen issues
could arise from the use of #from/#import inside of a function
expecting those symbols to be available outside of the function
that they're declared in.
Reference Implementation
------------------------
*still in development*
Copyright
---------