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django/db/backends/postgresql/base.py

Summary

Maintainability
A
3 hrs
Test Coverage

File base.py has 263 lines of code (exceeds 250 allowed). Consider refactoring.
Open

"""
PostgreSQL database backend for Django.

Requires psycopg 2: https://www.psycopg.org/
"""
Severity: Minor
Found in django/db/backends/postgresql/base.py - About 2 hrs to fix

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

        def get_connection_params(self):
            settings_dict = self.settings_dict
            # None may be used to connect to the default 'postgres' db
            if settings_dict['NAME'] == '':
                raise ImproperlyConfigured(
    Severity: Minor
    Found in django/db/backends/postgresql/base.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 _nodb_cursor has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

        def _nodb_cursor(self):
            try:
                with super()._nodb_cursor() as cursor:
                    yield cursor
            except (Database.DatabaseError, WrappedDatabaseError):
    Severity: Minor
    Found in django/db/backends/postgresql/base.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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