Xylo

A powerful template engine with Python expression evaluation.

Installation

pip install xylo.py

Usage

from xylo import xylo

# Basic expressions
xylo("text $(1 + 5)")  # "text 6"

# Variables via context
xylo("Hello $(name)!", {"name": "World"})  # "Hello World!"

# Conditionals
xylo("$if(x > 5) Big $else Small $end", {"x": 10})  # " Big "

# Loops
xylo("$for(i in range(3)) $(i) $end")  # " 0  1  2 "

# Functions
xylo('$function(greet, name) Hello, $(name)! $end $call(greet, "World")')  # "  Hello, World! "

Features

• Expressions: $(expression) - Evaluate and insert Python expressions
• Exec: $exec(code) - Execute Python code without output
• Conditionals: $if(cond) ... $elif(cond) ... $else ... $end
• Loops: $for(var in iterable) ... $end, $while(cond) ... $end
• Functions: $function(name, args) ... $end and $call(name, args)
• Include: $include("file.sdf", key=value, ...) - Include and render another template
• Import: $import("file.sdf", key=value, ...) - Import and render another template without the current context
• Switch: $switch(expr) $case(val) ... $default ... $end
• Error handling: $try ... $catch(e) ... $end, $raise(msg), $assert(cond)
• Context managers: $with(expr as var) ... $end
• Control flow: $break, $continue, $return

License

MIT