tools/build/_decorators.py

Summary

Maintainability
F
3 days
Test Coverage

File _decorators.py has 521 lines of code (exceeds 250 allowed). Consider refactoring.
Open

#!/usr/bin/env python

import os.path
import sys
import subprocess
Severity: Major
Found in tools/build/_decorators.py - About 1 day to fix

    Cyclomatic complexity is too high in method _get_checks. (6)
    Open

        def _get_checks(self, use_all=False):
            ret = [self._get_type_check()]
            if self.check_all_attributes or use_all:
                for a in self.attributes:
                    ret.append(a.get_check())
    Severity: Minor
    Found in tools/build/_decorators.py by radon

    Cyclomatic Complexity

    Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

    Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

    Construct Effect on CC Reasoning
    if +1 An if statement is a single decision.
    elif +1 The elif statement adds another decision.
    else +0 The else statement does not cause a new decision. The decision is at the if.
    for +1 There is a decision at the start of the loop.
    while +1 There is a decision at the while statement.
    except +1 Each except branch adds a new conditional path of execution.
    finally +0 The finally block is unconditionally executed.
    with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
    assert +1 The assert statement internally roughly equals a conditional statement.
    Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
    Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

    Source: http://radon.readthedocs.org/en/latest/intro.html

    Function __init__ has 6 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        def __init__(self, allowed_types, category, name,
    Severity: Minor
    Found in tools/build/_decorators.py - About 45 mins to fix

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

          def __init__(self, name, data_type, return_type, begin, end):
      Severity: Minor
      Found in tools/build/_decorators.py - About 35 mins to fix

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

            def __init__(self, name, attribute_type, function_name=None,
                         default=None):
                if attribute_type in ('String', 'Strings'):
                    self._check_string_name(name)
                if not function_name:
        Severity: Minor
        Found in tools/build/_decorators.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

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

        class OptionalPathAttribute(Attribute):
            """Like a PathAttribute, but it can be empty."""
        
            def _check_string_name(self, name):
                if not self._is_path(name):
        Severity: Major
        Found in tools/build/_decorators.py and 1 other location - About 5 hrs to fix
        tools/build/_decorators.py on lines 168..198

        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 93.

        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

        class PathAttribute(Attribute):
            """Similar to a string Attribute, but designed for storing paths.
               Paths are stored internally relative to the directory containing
               the RMF file (in-memory RMFs are considered to be in the current
               working directory) but the API always returns absolute paths."""
        Severity: Major
        Found in tools/build/_decorators.py and 1 other location - About 5 hrs to fix
        tools/build/_decorators.py on lines 201..236

        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 93.

        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 3 locations. Consider refactoring.
        Open

            def _get_data_pass(self, member):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_data_pass(member))
                return ",\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 2 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 462..466
        tools/build/_decorators.py on lines 468..472

        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 44.

        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 3 locations. Consider refactoring.
        Open

            def _get_bulk_methods(self, const):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_bulk_methods(const))
                return "\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 2 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 462..466
        tools/build/_decorators.py on lines 486..490

        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 44.

        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 3 locations. Consider refactoring.
        Open

            def _get_methods(self, const):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_get_set_methods(const))
                return "\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 2 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 468..472
        tools/build/_decorators.py on lines 486..490

        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 44.

        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 4 locations. Consider refactoring.
        Open

            def _get_data_arguments(self):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_data_arguments())
                return ",\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 3 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 456..460
        tools/build/_decorators.py on lines 474..478
        tools/build/_decorators.py on lines 524..528

        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 41.

        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 4 locations. Consider refactoring.
        Open

            def _get_data_members(self):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_data_members())
                return "\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 3 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 474..478
        tools/build/_decorators.py on lines 480..484
        tools/build/_decorators.py on lines 524..528

        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 41.

        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 4 locations. Consider refactoring.
        Open

            def _get_helpers(self):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_helpers())
                return "\n".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 3 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 456..460
        tools/build/_decorators.py on lines 480..484
        tools/build/_decorators.py on lines 524..528

        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 41.

        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 4 locations. Consider refactoring.
        Open

            def _get_data_initialize(self):
                ret = []
                for a in self.attributes:
                    ret.append(a.get_data_initialize())
                return ", ".join(ret)
        Severity: Major
        Found in tools/build/_decorators.py and 3 other locations - About 1 hr to fix
        tools/build/_decorators.py on lines 456..460
        tools/build/_decorators.py on lines 474..478
        tools/build/_decorators.py on lines 480..484

        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 41.

        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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