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danishi/dynamodb-csv

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app/dynamodb/csv_export.py

Summary

Maintainability
C
1 day
Test Coverage

Function csv_export has a Cognitive Complexity of 53 (exceeds 5 allowed). Consider refactoring.
Open

def csv_export(table: Any, file: str, parameters: Dict = {}) -> Tuple:
    """Export DynamoDB table to csv

    Args:
        table (Table): boto3 DynamoDB table object
Severity: Minor
Found in app/dynamodb/csv_export.py - About 1 day 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 convert_item has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
Open

def convert_item(spec: str, item: Dict, key: str, delimiter: str) -> Any:
    """convert item

    Args:
        spec (str): type of item
Severity: Minor
Found in app/dynamodb/csv_export.py - About 1 hr 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

Avoid too many return statements within this function.
Open

        return ("{name} csv exported {count} items".format(
Severity: Major
Found in app/dynamodb/csv_export.py - About 30 mins to fix

    Avoid too many return statements within this function.
    Open

            return json.dumps(item[key], default=decimal_encode)
    Severity: Major
    Found in app/dynamodb/csv_export.py - About 30 mins to fix

      Avoid too many return statements within this function.
      Open

              return (str(e), 1)
      Severity: Major
      Found in app/dynamodb/csv_export.py - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

                return delimiter.join(list(map(str, item[key])))
        Severity: Major
        Found in app/dynamodb/csv_export.py - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

                  return item[key]
          Severity: Major
          Found in app/dynamodb/csv_export.py - About 30 mins to fix

            Avoid too many return statements within this function.
            Open

                    return delimiter.join(item[key])
            Severity: Major
            Found in app/dynamodb/csv_export.py - About 30 mins to fix

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