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simplify complex logic

langgenius/dify
Based on 5 comments
Python

Improve code readability by reducing complexity and nesting through early returns, extracting complex logic into dedicated functions, and using clear parameter naming.

Code Style Python

Reviewer Prompt

Improve code readability by reducing complexity and nesting through early returns, extracting complex logic into dedicated functions, and using clear parameter naming.

Key practices:

  1. Use early returns to reduce nested if statements and simplify logic flow
  2. Extract complex nested logic into dedicated local functions with descriptive names
  3. Use named parameters instead of positional boolean parameters for better readability
  4. Simplify conditional expressions by using early continue/break statements when appropriate

Examples:

# Instead of deeply nested conditions:
if condition1:
    if condition2:
        if condition3:
            # complex logic here
            pass

# Use early returns:
if not condition1:
    return self
if not condition2:
    return self
if not condition3:
    return self
# complex logic here

# Instead of positional boolean parameters:
vn.ask(prompt, False, True, False, allow_llm_to_see_data)

# Use named parameters:
vn.ask(prompt, print_results=False, auto_train=True, visualize=False, allow_llm_to_see_data=allow_llm_to_see_data)

# Instead of complex nested logic in main function:
if self.node_data.structured_output_enabled and self.node_data.structured_output:
    # 20+ lines of complex logic

# Extract to dedicated function:
def process_structured_output(self):
    if not self.node_data.structured_output_enabled:
        return
    if not self.node_data.structured_output:
        return
    # complex logic here

# Then call it:
process_structured_output()

This approach makes code more maintainable, easier to test, and significantly improves readability by reducing cognitive load.

5
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Python
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