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

    def __init__(self, media=None, css=None, js=None):
        if media is not None:
            css = getattr(media, 'css', {})
            js = getattr(media, 'js', [])
        else:
Severity: Minor
Found in django/forms/widgets.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

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

    def clean(self, value):
        if value in self.empty_values:
            if self.pk_field:
                return None
            # if there is no value act as we did before.
Severity: Minor
Found in django/forms/models.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

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

    def get_app_config(self, app_label):
        """
        Import applications and returns an app config for the given label.

        Raise LookupError if no application exists with this label.
Severity: Minor
Found in django/apps/registry.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

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

    def clear_cache(self):
        """
        Clear all internal caches, for methods that alter the app registry.

        This is mostly used in tests.
Severity: Minor
Found in django/apps/registry.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

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

    def adapt_datetimefield_value(self, value):
        """
        Transform a datetime value to an object compatible with what is expected
        by the backend driver for datetime columns.

Severity: Minor
Found in django/db/backends/oracle/operations.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

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

    def rename_column_references(self, table, old_column, new_column):
        if self.table == table:
            for index, column in enumerate(self.columns):
                if column == old_column:
                    self.columns[index] = new_column
Severity: Minor
Found in django/db/backends/ddl_references.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

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

def typecast_timestamp(s):  # does NOT store time zone information
    # "2005-07-29 15:48:00.590358-05"
    # "2005-07-29 09:56:00-05"
    if not s:
        return None
Severity: Minor
Found in django/db/backends/utils.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

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

    def fetch_returned_insert_columns(self, cursor, returning_params):
        columns = []
        for param in returning_params:
            value = param.get_value()
            if value is None or value == []:
Severity: Minor
Found in django/db/backends/oracle/operations.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

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

    def allow_relation(self, obj1, obj2, **hints):
        for router in self.routers:
            try:
                method = router.allow_relation
            except AttributeError:
Severity: Minor
Found in django/db/utils.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

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

    def _construct_form(self, i, **kwargs):
        """Instantiate and return the i-th form instance in a formset."""
        defaults = {
            'auto_id': self.auto_id,
            'prefix': self.add_prefix(i),
Severity: Minor
Found in django/forms/formsets.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

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

def load_backend(backend_name):
    """
    Return a database backend's "base" module given a fully qualified database
    backend name, or raise an error if it doesn't exist.
    """
Severity: Minor
Found in django/db/utils.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

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

    def last_executed_query(self, cursor, sql, params):
        # https://cx-oracle.readthedocs.io/en/latest/cursor.html#Cursor.statement
        # The DB API definition does not define this attribute.
        statement = cursor.statement
        # Unlike Psycopg's `query` and MySQLdb`'s `_executed`, cx_Oracle's
Severity: Minor
Found in django/db/backends/oracle/operations.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

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

    def __init__(self, *, required=True, widget=None, label=None, initial=None,
                 help_text='', error_messages=None, show_hidden_initial=False,
                 validators=(), localize=False, disabled=False, label_suffix=None):
        # required -- Boolean that specifies whether the field is required.
        #             True by default.
Severity: Minor
Found in django/forms/fields.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

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

    def value_from_datadict(self, data, files, name):
        y = data.get(self.year_field % name)
        m = data.get(self.month_field % name)
        d = data.get(self.day_field % name)
        if y == m == d == '':
Severity: Minor
Found in django/forms/widgets.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

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

    def _construct_form(self, i, **kwargs):
        form = super()._construct_form(i, **kwargs)
        if self.save_as_new:
            mutable = getattr(form.data, '_mutable', None)
            # Allow modifying an immutable QueryDict.
Severity: Minor
Found in django/forms/models.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

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

    def callproc(self, procname, params=None, kparams=None):
        # Keyword parameters for callproc aren't supported in PEP 249, but the
        # database driver may support them (e.g. cx_Oracle).
        if kparams is not None and not self.db.features.supports_callproc_kwargs:
            raise NotSupportedError(
Severity: Minor
Found in django/db/backends/utils.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

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

    def get_queryset(self):
        if not hasattr(self, '_queryset'):
            if self.queryset is not None:
                qs = self.queryset
            else:
Severity: Minor
Found in django/forms/models.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

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

    def as_widget(self, widget=None, attrs=None, only_initial=False):
        """
        Render the field by rendering the passed widget, adding any HTML
        attributes passed as attrs. If a widget isn't specified, use the
        field's default widget.
Severity: Minor
Found in django/forms/boundfield.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

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

    def _validate_username(self, username, verbose_field_name, database):
        """Validate username. If invalid, return a string error message."""
        if self.username_field.unique:
            try:
                self.UserModel._default_manager.db_manager(database).get_by_natural_key(username)
Severity: Minor
Found in django/contrib/auth/management/commands/createsuperuser.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

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

    def sequence_reset_sql(self, style, model_list):
        output = []
        query = self._sequence_reset_sql
        for model in model_list:
            for f in model._meta.local_fields:
Severity: Minor
Found in django/db/backends/oracle/operations.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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