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Cyclomatic complexity is too high in method __init__. (14)
Open

    def __init__(self, context, stages, vertex_input, input_assembly,
                 viewport_state, rasterization, multisample, depth, blend,
                 dynamic, layout, renderpass):
        """
        Args:
Severity: Minor
Found in vulk/vulkanobject.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

Similar blocks of code found in 3 locations. Consider refactoring.
Open

    def get_default_shaderprogram(self, context):
        '''Generate a basic shader program if none given

        *Parameters:*
Severity: Major
Found in vulk/graphic/d2/batch.py and 2 other locations - About 3 hrs to fix
vulk/graphic/d2/batch.py on lines 663..678
vulk/graphic/d2/batch.py on lines 885..900

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 63.

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_default_shaderprogram(self, context):
        '''Generate a basic shader program if nono given

        *Parameters:*
Severity: Major
Found in vulk/graphic/d2/batch.py and 2 other locations - About 3 hrs to fix
vulk/graphic/d2/batch.py on lines 435..450
vulk/graphic/d2/batch.py on lines 885..900

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 63.

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 _create_swapchain has a Cognitive Complexity of 22 (exceeds 5 allowed). Consider refactoring.
Open

    def _create_swapchain(self):
        """Create Vulkan swapchain"""
        surface_capabilities = self.pfn['vkGetPhysicalDeviceSurfaceCapabilitiesKHR'](self.physical_device, self.surface) # noqa
        surface_formats = self.pfn['vkGetPhysicalDeviceSurfaceFormatsKHR'](self.physical_device, self.surface) # noqa
        surface_present_modes = self.pfn['vkGetPhysicalDeviceSurfacePresentModesKHR'](self.physical_device, self.surface) # noqa
Severity: Minor
Found in vulk/context.py - About 3 hrs 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 3 locations. Consider refactoring.
Open

    def get_default_shaderprogram(self, context):
        '''Generate a basic shader program if nono given

        *Parameters:*
Severity: Major
Found in vulk/graphic/d2/batch.py and 2 other locations - About 3 hrs to fix
vulk/graphic/d2/batch.py on lines 435..450
vulk/graphic/d2/batch.py on lines 663..678

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 63.

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

VulkContext has 25 functions (exceeds 20 allowed). Consider refactoring.
Open

class VulkContext():
    def __init__(self, window, debug=False, extra_layers=None):
        """Create context

        Args:
Severity: Minor
Found in vulk/context.py - About 2 hrs to fix

    Cyclomatic complexity is too high in method __init__. (12)
    Open

        def __init__(self, float32=None, uint32=None, int32=None):
        '''
        Take only one value depending on the type you want.
        `list` must be of size 4.
    Severity: Minor
    Found in vulk/vulkanobject.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

    Vector has 25 functions (exceeds 20 allowed). Consider refactoring.
    Open

    class Vector():
    '''Base class for Vector

    *Exemple:*
    Severity: Minor
    Found in vulk/math/vector.py - About 2 hrs to fix

      Cyclomatic complexity is too high in class ClearColorValue. (12)
      Open

      class ClearColorValue():
    '''ClearValue for color clearing'''

    def __init__(self, float32=None, uint32=None, int32=None):
        '''
      Severity: Minor
      Found in vulk/vulkanobject.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

      File vector.py has 282 lines of code (exceeds 250 allowed). Consider refactoring.
      Open

      '''Vector module

This module contains all Vector classes definition.
Vector are a key of graphic computing.
'''
      Severity: Minor
      Found in vulk/math/vector.py - About 2 hrs to fix

        Similar blocks of code found in 3 locations. Consider refactoring.
        Open

        class SampleCount(IntFlag):
    NONE = 0
    COUNT_1 = vk.VK_SAMPLE_COUNT_1_BIT
    COUNT_2 = vk.VK_SAMPLE_COUNT_2_BIT
    COUNT_4 = vk.VK_SAMPLE_COUNT_4_BIT
        Severity: Major
        Found in vulk/vulkanconstant.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanconstant.py on lines 167..175
        vulk/vulkanconstant.py on lines 521..529

        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 58.

        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

        class ComponentSwizzle(IntEnum):
    NONE = 0
    IDENTITY = vk.VK_COMPONENT_SWIZZLE_IDENTITY
    ZERO = vk.VK_COMPONENT_SWIZZLE_ZERO
    ONE = vk.VK_COMPONENT_SWIZZLE_ONE
        Severity: Major
        Found in vulk/vulkanconstant.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanconstant.py on lines 521..529
        vulk/vulkanconstant.py on lines 616..624

        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 58.

        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

        class ImageViewType(IntEnum):
    NONE = 0
    TYPE_1D = vk.VK_IMAGE_VIEW_TYPE_1D
    TYPE_2D = vk.VK_IMAGE_VIEW_TYPE_2D
    TYPE_3D = vk.VK_IMAGE_VIEW_TYPE_3D
        Severity: Major
        Found in vulk/vulkanconstant.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanconstant.py on lines 167..175
        vulk/vulkanconstant.py on lines 616..624

        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 58.

        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

                    with immediate_buffer(context, commandpool) as cmd:
                self.final_image.update_layout(
                    cmd, vc.ImageLayout.PREINITIALIZED,
                    vc.ImageLayout.TRANSFER_DST_OPTIMAL,
                    vc.PipelineStage.HOST,
        Severity: Major
        Found in vulk/vulkanobject.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanobject.py on lines 1578..1599
        vulk/vulkanobject.py on lines 1608..1616

        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 58.

        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

                with immediate_buffer(context, commandpool) as cmd:
            self.final_image.update_layout(
                cmd, vc.ImageLayout.TRANSFER_DST_OPTIMAL,
                vc.ImageLayout.SHADER_READ_ONLY_OPTIMAL,
                vc.PipelineStage.TRANSFER,
        Severity: Major
        Found in vulk/vulkanobject.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanobject.py on lines 1579..1587
        vulk/vulkanobject.py on lines 1578..1599

        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 58.

        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

                if not self.copied:
            with immediate_buffer(context, commandpool) as cmd:
                self.final_image.update_layout(
                    cmd, vc.ImageLayout.PREINITIALIZED,
                    vc.ImageLayout.TRANSFER_DST_OPTIMAL,
        Severity: Major
        Found in vulk/vulkanobject.py and 2 other locations - About 2 hrs to fix
        vulk/vulkanobject.py on lines 1579..1587
        vulk/vulkanobject.py on lines 1608..1616

        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 58.

        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 mir():
            logger.info("Create MIR surface")
            # pylint: disable=no-member
            surface_create = vk.VkMirSurfaceCreateInfoKHR(
                sType=vk.VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR,
        Severity: Major
        Found in vulk/context.py and 2 other locations - About 2 hrs to fix
        vulk/context.py on lines 407..415
        vulk/context.py on lines 437..445

        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 57.

        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 windows():
            logger.info("Create WINDOWS surface")
            # pylint: disable=no-member
            surface_create = vk.VkWin32SurfaceCreateInfoKHR(
                sType=vk.VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR,
        Severity: Major
        Found in vulk/context.py and 2 other locations - About 2 hrs to fix
        vulk/context.py on lines 407..415
        vulk/context.py on lines 417..425

        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 57.

        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 xlib():
            logger.info("Create XLIB surface")
            # pylint: disable=no-member
            surface_create = vk.VkXlibSurfaceCreateInfoKHR(
                sType=vk.VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR,
        Severity: Major
        Found in vulk/context.py and 2 other locations - About 2 hrs to fix
        vulk/context.py on lines 417..425
        vulk/context.py on lines 437..445

        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 57.

        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

        Cyclomatic complexity is too high in method _create_swapchain. (10)
        Open

            def _create_swapchain(self):
        """Create Vulkan swapchain"""
        surface_capabilities = self.pfn['vkGetPhysicalDeviceSurfaceCapabilitiesKHR'](self.physical_device, self.surface) # noqa
        surface_formats = self.pfn['vkGetPhysicalDeviceSurfaceFormatsKHR'](self.physical_device, self.surface) # noqa
        surface_present_modes = self.pfn['vkGetPhysicalDeviceSurfacePresentModesKHR'](self.physical_device, self.surface) # noqa
        Severity: Minor
        Found in vulk/context.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

        Severity
        Category
        Status
        Source
        Language