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dallinger/deployment.py

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Maintainability
A
2 hrs
Test Coverage

Cyclomatic complexity is too high in function deploy_sandbox_shared_setup. (14)
Open

def deploy_sandbox_shared_setup(
    log, verbose=True, app=None, exp_config=None, prelaunch_actions=None
):
    """Set up Git, push to Heroku, and launch the app."""
    if verbose:
Severity: Minor
Found in dallinger/deployment.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 handle_launch_data. (13)
Open

def handle_launch_data(url, error, delay=DEFAULT_DELAY, attempts=MAX_ATTEMPTS):
    """Sends a POST request to te given `url`, retrying it with exponential backoff.
    The passed `error` function is invoked to give feedback as each error occurs,
    possibly multiple times.
    """
Severity: Minor
Found in dallinger/deployment.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 method check_status. (6)
Open

    def check_status(self):
        """Check the output of the summary route until
        the experiment is complete, then we can stop monitoring Heroku
        subprocess output.
        """
Severity: Minor
Found in dallinger/deployment.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 7 arguments (exceeds 4 allowed). Consider refactoring.
Open

    def __init__(self, output, verbose, bot, proxy_port, exp_config, no_browsers=False):
Severity: Major
Found in dallinger/deployment.py - About 50 mins to fix

Function handle_launch_data has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
Open

def handle_launch_data(url, error, delay=DEFAULT_DELAY, attempts=MAX_ATTEMPTS):
    """Sends a POST request to te given `url`, retrying it with exponential backoff.
    The passed `error` function is invoked to give feedback as each error occurs,
    possibly multiple times.
    """
Severity: Minor
Found in dallinger/deployment.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

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

    def __init__(self, app_id, output, verbose, exp_config):
Severity: Minor
Found in dallinger/deployment.py - About 35 mins to fix

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

def deploy_sandbox_shared_setup(
Severity: Minor
Found in dallinger/deployment.py - About 35 mins to fix

FIXME found
Open

        # FIXME: this call is used for implicit communication between classes in this file
Severity: Minor
Found in dallinger/deployment.py by fixme

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