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digitalrounin/py-lambda-packer

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

    def clean(self):
        if not (self.build_path and os.path.isdir(self.build_path)):
            raise RuntimeError(
                'Package staging directory was never created, nothing '
                'to clean.')
Severity: Major
Found in plpacker/packager.py and 1 other location - About 4 hrs to fix
plpacker/virtualenv.py on lines 109..119

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 84.

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

    def clean(self):
        if not (self.path and os.path.isdir(self.path)):
            raise RuntimeError(
                'Virtualenv was never created, nothing to clean.')
Severity: Major
Found in plpacker/virtualenv.py and 1 other location - About 4 hrs to fix
plpacker/packager.py on lines 61..73

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 84.

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 not path:
            prefix = '{}-'.format(__name__)
            self.path = tempfile.mkdtemp(suffix='-tmp', prefix=prefix)
        else:
            self.path = expand_path(path, True)
Severity: Major
Found in plpacker/virtualenv.py and 1 other location - About 2 hrs to fix
plpacker/packager.py on lines 20..25

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 61.

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 not build_path:
            prefix = '{}-'.format(__name__)
            self.build_path = tempfile.mkdtemp(suffix='-zip', prefix=prefix)
        else:
            self.build_path = expand_path(build_path, True)
Severity: Major
Found in plpacker/packager.py and 1 other location - About 2 hrs to fix
plpacker/virtualenv.py on lines 28..33

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 61.

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

Function _merge_dicts has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

    def _merge_dicts(self, left, right, path=None):
        """
        Merges right into left.  Credit goes to:
            - https://stackoverflow.com/a/7205107/2721824
        """
Severity: Minor
Found in plpacker/config.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 _find_files_recursively has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

def _find_files_recursively(expression, followlinks=False):
    if '**' not in expression:
        raise ValueError('Glob is missing "**": {}'.format(expression))
    (directories, glob_part) = expression.rsplit('**', 1)
    if not glob_part:
Severity: Minor
Found in plpacker/fileset.py - About 55 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 __init__ has 6 arguments (exceeds 4 allowed). Consider refactoring.
Open

    def __init__(self, python=None, path=None, keep=None, packages=None,
Severity: Minor
Found in plpacker/virtualenv.py - About 45 mins to fix

    Function __init__ has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
    Open

        def __init__(self, directory, includes, excludes=(), followlinks=False):
        # Validate
        if directory is None:
            raise ValueError('"None" is not an acceptable "directory" value.')
        if not includes:
    Severity: Minor
    Found in plpacker/fileset.py - About 35 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 map has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
    Open

        def map(self, ori_dict_key, cli_args_key):
        ori_dict_keys = ori_dict_key.split('.')

        if (cli_args_key in self.cli_args
                and self.cli_args[cli_args_key] is not None):
    Severity: Minor
    Found in plpacker/config.py - About 35 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 _expand_glob has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

        def _expand_glob(self, expression, followlinks=False):
        if os.path.isabs(expression):
            raise ValueError('Absolute paths in globs are not supported: {}'
                             .format(expression))
    Severity: Minor
    Found in plpacker/fileset.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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