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localstack/services/firehose/firehose_api.py

Summary

Maintainability
C
7 hrs
Test Coverage

Function post_request has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
Open

def post_request():
    action = request.headers.get('x-amz-target')
    data = json.loads(to_str(request.data))
    response = None
    if action == 'Firehose_20150804.ListDeliveryStreams':
Severity: Minor
Found in localstack/services/firehose/firehose_api.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

Function put_records has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
Open

def put_records(stream_name, records):
    stream = get_stream(stream_name)
    for dest in stream['Destinations']:
        if 'S3DestinationDescription' in dest:
            s3_dest = dest['S3DestinationDescription']
Severity: Minor
Found in localstack/services/firehose/firehose_api.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

Function update_destination has 5 arguments (exceeds 4 allowed). Consider refactoring.
Open

def update_destination(stream_name, destination_id,
Severity: Minor
Found in localstack/services/firehose/firehose_api.py - About 35 mins to fix

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

    def update_destination(stream_name, destination_id,
        s3_update=None, elasticsearch_update=None, version_id=None):
    dest = get_destination(stream_name, destination_id)
    if elasticsearch_update:
        print('WARN: Firehose to Elasticsearch updates not yet implemented!')
    Severity: Minor
    Found in localstack/services/firehose/firehose_api.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

    Identical blocks of code found in 4 locations. Consider refactoring.
    Open

    def serve(port, quiet=True):
    if quiet:
        log = logging.getLogger('werkzeug')
        log.setLevel(logging.ERROR)
    ssl_context = GenericProxy.get_flask_ssl_context()
    Severity: Major
    Found in localstack/services/firehose/firehose_api.py and 3 other locations - About 3 hrs to fix
    localstack/services/awslambda/lambda_api.py on lines 723..728
    localstack/services/dynamodbstreams/dynamodbstreams_api.py on lines 109..114
    localstack/services/es/es_api.py on lines 91..96

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 68.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    if __name__ == '__main__':
    port = DEFAULT_PORT_FIREHOSE
    print("Starting server on port %s" % port)
    serve(port)
    Severity: Minor
    Found in localstack/services/firehose/firehose_api.py and 1 other location - About 45 mins to fix
    localstack/services/awslambda/lambda_api.py on lines 731..734

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 35.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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