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I'm disappointed they resorted to a one-way preprocessor. Is it really not feasible to make a first-class domain-specific language like this in Python?

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The reason I made SHPAML a one-way preprocessor is that my use cases haven't yet given me a compelling reason to write a round tripper, and preprocessing is simple to automate.

I do not know what your criteria are for judging a "first-class" DSL in Python, so I cannot comment on the feasibility. My goal was to create a simple markup language that maps well to HTML and plays nice with templates. SHPAML does that.

Sorry, I misread the title "Beautiful mini language for outputing HTML in Python" as a DSL to be embedded in Python code rather than a separate text file (which is actually language agnostic after the preprocessor is done).

No worries. I am actually curious to your thoughts about DSLs. I love Python, but it is not really optimized for DSLs. You can obviously implement a DSL in Python, but embedding it is another story.

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