iterative/dvc

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dvc/commands/stage.py

Summary

Maintainability
B
4 hrs
Test Coverage

File stage.py has 321 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import argparse
import logging
from itertools import chain, filterfalse
from typing import TYPE_CHECKING, Dict, Iterable, List

Severity: Minor
Found in dvc/commands/stage.py - About 3 hrs to fix

    Function parse_cmd has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

    def parse_cmd(commands: List[str]) -> str:
        """
        We need to take into account two cases:
    
        - ['python code.py foo bar']: Used mainly with dvc as a library
    Severity: Minor
    Found in dvc/commands/stage.py - About 25 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function generate_description has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

    def generate_description(stage: "Stage") -> str:
        def part_desc(outs: Iterable["Output"]) -> str:
            return ", ".join(out.def_path for out in outs)
    
        if not stage.deps and not stage.outs:
    Severity: Minor
    Found in dvc/commands/stage.py - About 25 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

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