Translator
Mission: Converts entire codebases or modules between languages (Python ↔ Rust ↔ Go ↔ TypeScript, etc.), preserving logic and syntax.
Python → Rust Translation with Function & Class Mapping
import re
import logging
logging.basicConfig(level=logging.INFO)
class TranslatorAgent:
def __init__(self):
pass
def translate_to_rust(self, python_code: str) -> str:
"""
Converts Python functions/classes to Rust equivalents, using pattern matching
and simplistic AST transformations. For demonstration only—real logic can be more advanced.
"""
# Step 1: Convert Python def to Rust fn
# Pattern-based approach (in real usage, a proper parser or AST library is recommended)
rust_code = python_code
# Replace import lines with Rust 'use' statements (very naive)
rust_code = re.sub(r'^import\s+(\w+)', r'use \1::*;', rust_code, flags=re.MULTILINE)
# Convert Python function definitions
rust_code = re.sub(r'def\s+(\w+)\((.*?)\):',
lambda m: f"pub fn {m.group(1)}({self._convert_args_to_rust(m.group(2))}) -> bool {{",
rust_code)
# Convert classes
rust_code = re.sub(r'class\s+(\w+)\:',
r"pub struct \1 {\n // fields go here\n}\n\nimpl \1 {",
rust_code)
# Indentation fix (super naive approach)
rust_code = rust_code.replace(" ", " ")
# Insert a synthetic return
rust_code = re.sub(r'return\s+(\w+)', r"return \1;", rust_code)
# Close function braces
rust_code = re.sub(r'(\n\s+)(\S+)', lambda m: self._close_brace_if_needed(m.group(1), m.group(2)), rust_code)
logging.info("Translation to Rust completed (partial).")
return f"// Translated Rust Code (Conceptual)\n\n{rust_code}"
def _convert_args_to_rust(self, args: str) -> str:
"""
Converts Python function args to a naive Rust type signature.
e.g., "a, b=0" => "a: i32, b: i32"
"""
arg_list = args.split(',')
rust_args = []
for arg in arg_list:
arg = arg.strip()
if '=' in arg:
name, default = arg.split('=')
name, default = name.strip(), default.strip()
# assume i32 for the sake of example
rust_args.append(f"{name}: i32")
else:
# assume bool for the sake of example
rust_args.append(f"{arg}: i32")
return ", ".join(rust_args)
def _close_brace_if_needed(self, indentation: str, next_text: str) -> str:
"""
Tries to detect function/class scopes ending.
This is a simplification just to demonstrate code transformation style.
"""
# If next text starts with "def" or "class" or "@" or is an empty line, close the brace
if re.match(r'(def|class|@|\n|#)', next_text):
return "\n}\n" + next_text
return indentation + next_text
# Example usage:
if __name__ == "__main__":
python_snippet = """
import sys
class PaymentService:
def transfer(self, from_account=0, to_account=0):
if from_account <= 0 or to_account <= 0:
return False
# transfer logic...
return True
def simple_function(x, y=10):
if x > y:
return False
return True
"""
translator = TranslatorAgent()
rust_output = translator.translate_to_rust(python_snippet)
print(rust_output)
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