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src/poliastro/core/propagation/__init__.py

Summary

Maintainability
D
2 days
Test Coverage

File __init__.py has 728 lines of code (exceeds 350 allowed). Consider refactoring.
Open

""" Low level propagation algorithms """

import numpy as np

from .._jit import jit
Severity: Major
Found in src/poliastro/core/propagation/__init__.py - About 1 day to fix

    Function pimienta has 95 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    def pimienta(k, r0, v0, tof):
    """ Raw algorithm for Adonis' Pimienta and John L. Crassidis 15th order
    polynomial Kepler solver.

    Parameters
    Severity: Major
    Found in src/poliastro/core/propagation/__init__.py - About 3 hrs to fix

      Cyclomatic complexity is too high in function mikkola. (7)
      Open

      @jit
def mikkola(k, r0, v0, tof, rtol=None):
    """ Raw algorithm for Mikkola's Kepler solver.

    Parameters
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.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

      Cyclomatic complexity is too high in function danby. (7)
      Open

      @jit
def danby(k, r0, v0, tof, numiter=20, rtol=1e-8):
    """ Kepler solver for both elliptic and parabolic orbits based on Danby's
    algorithm.
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.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

      Cyclomatic complexity is too high in function vallado. (6)
      Open

      @jit
def vallado(k, r0, v0, tof, numiter):
    r"""Solves Kepler's Equation by applying a Newton-Raphson method.

    If the position of a body along its orbit wants to be computed
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.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 danby has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
      Open

      def danby(k, r0, v0, tof, numiter=20, rtol=1e-8):
    """ Kepler solver for both elliptic and parabolic orbits based on Danby's
    algorithm.

    Parameters
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.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 mikkola has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
      Open

      def mikkola(k, r0, v0, tof, rtol=None):
    """ Raw algorithm for Mikkola's Kepler solver.

    Parameters
    ----------
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.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 vallado has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
      Open

      def vallado(k, r0, v0, tof, numiter):
    r"""Solves Kepler's Equation by applying a Newton-Raphson method.

    If the position of a body along its orbit wants to be computed
    for an specific time, it can be solved by terms of the Kepler's Equation:
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.py - About 45 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

      TODO found
      Open

          # TODO: parabolic and hyperbolic not implemented cases
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.py by fixme

      TODO found
      Open

          # TODO: implement hyperbolic case
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.py by fixme

      TODO found
      Open

          # TODO: Do something to increase parabolic accuracy?
      Severity: Minor
      Found in src/poliastro/core/propagation/__init__.py by fixme

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