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File __init__.py has 690 lines of code (exceeds 250 allowed). Consider refactoring.
Open

from functools import partial
from itertools import chain
from operator import attrgetter
import collections.abc
import copy
Severity: Major
Found in django_cassandra_engine/models/__init__.py - About 1 day to fix

    Function __new__ has a Cognitive Complexity of 69 (exceeds 5 allowed). Consider refactoring.
    Open

        def __new__(cls, name, bases, attrs):
        parents = [b for b in bases if isinstance(b, DjangoCassandraModelMetaClass)]

        if not parents:
            return super(ModelBase, cls).__new__(cls, name, bases, attrs)
    Severity: Minor
    Found in django_cassandra_engine/models/__init__.py - About 1 day 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_field_kwargs has a Cognitive Complexity of 37 (exceeds 5 allowed). Consider refactoring.
    Open

        def get_field_kwargs(self, field_name, model_field):
        """Creates a default instance of a basic non-relational field."""
        kwargs = {}
        validator_kwarg = list(model_field.validators)
    Severity: Minor
    Found in django_cassandra_engine/rest/serializers.py - About 5 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

    Function _get_unique_checks has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.
    Open

    def _get_unique_checks(self, exclude=None):
    # Taken from django.db.models.base
    if exclude is None:
        exclude = []
    unique_checks = []
    Severity: Minor
    Found in django_cassandra_engine/models/django_model_methods.py - About 5 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 2 locations. Consider refactoring.
    Open

        def handle(self, **options):
        engine = get_engine_from_db_alias(options["database"])
        if engine == "django_cassandra_engine":
            options.update({"interactive": False, "inhibit_post_migrate": True})
    Severity: Major
    Found in django_cassandra_engine/management/commands/flush.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/management/commands/flush.py on lines 7..12

    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 60.

    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 2 locations. Consider refactoring.
    Open

        def handle_noargs(self, **options):
        engine = get_engine_from_db_alias(options["database"])
        if engine == "django_cassandra_engine":
            options.update({"interactive": False, "inhibit_post_migrate": True})
    Severity: Major
    Found in django_cassandra_engine/management/commands/flush.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/management/commands/flush.py on lines 14..19

    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 60.

    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 python_order_by has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.
    Open

        def python_order_by(self, qset, colnames):
        if not isinstance(qset, list):
            raise TypeError("qset must be a list")
        colnames = convert_pk_field_names_to_real(
            model=self.model, field_names=colnames
    Severity: Minor
    Found in django_cassandra_engine/models/__init__.py - About 2 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 2 locations. Consider refactoring.
    Open

        def handle(self, **options):
        engine = get_engine_from_db_alias(options["database"])

        # Call regular syncdb if engine is different from ours
        if engine != "django_cassandra_engine":
    Severity: Major
    Found in django_cassandra_engine/management/commands/syncdb.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/management/commands/syncdb.py on lines 9..16

    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 59.

    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 2 locations. Consider refactoring.
    Open

        def handle_noargs(self, **options):
        engine = get_engine_from_db_alias(options["database"])

        # Call regular syncdb if engine is different from ours
        if engine != "django_cassandra_engine":
    Severity: Major
    Found in django_cassandra_engine/management/commands/syncdb.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/management/commands/syncdb.py on lines 18..25

    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 59.

    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 2 locations. Consider refactoring.
    Open

            if max_value is not None and isinstance(model_field, NUMERIC_FIELD_TYPES):
            kwargs["max_value"] = max_value
            validator_kwarg = [
                validator
                for validator in validator_kwarg
    Severity: Major
    Found in django_cassandra_engine/rest/serializers.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/rest/serializers.py on lines 179..184

    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

    Function _perform_unique_checks has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
    Open

    def _perform_unique_checks(self, unique_checks):
    # Taken from django.db.models.base
    errors = {}

    for model_class, unique_check in unique_checks:
    Severity: Minor
    Found in django_cassandra_engine/models/django_model_methods.py - About 2 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 2 locations. Consider refactoring.
    Open

            if min_value is not None and isinstance(model_field, NUMERIC_FIELD_TYPES):
            kwargs["min_value"] = min_value
            validator_kwarg = [
                validator
                for validator in validator_kwarg
    Severity: Major
    Found in django_cassandra_engine/rest/serializers.py and 1 other location - About 2 hrs to fix
    django_cassandra_engine/rest/serializers.py on lines 161..166

    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

    Function __new__ has 63 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        def __new__(cls, name, bases, attrs):
        parents = [b for b in bases if isinstance(b, DjangoCassandraModelMetaClass)]

        if not parents:
            return super(ModelBase, cls).__new__(cls, name, bases, attrs)
    Severity: Major
    Found in django_cassandra_engine/models/__init__.py - About 2 hrs to fix

      Function formfield has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
      Open

      def formfield(self, form_class=None, choices_form_class=None, **kwargs):
    # Taken from django.db.models.fields.__init__
    defaults = {
        "required": not self.blank,
        "label": capfirst(self.verbose_name),
      Severity: Minor
      Found in django_cassandra_engine/models/django_field_methods.py - About 2 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

      Function order_by has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
      Open

          def order_by(self, *colnames):
        if len(colnames) == 0:
            clone = copy.deepcopy(self)
            clone._order = []
            return clone
      Severity: Minor
      Found in django_cassandra_engine/models/__init__.py - About 2 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 2 locations. Consider refactoring.
      Open

          def callproc(self, procname, params=None):
        with self.db.wrap_database_errors:
            if params is None:
                return self.cursor.callproc(procname)
            else:
      Severity: Major
      Found in django_cassandra_engine/utils.py and 1 other location - About 2 hrs to fix
      django_cassandra_engine/utils.py on lines 41..46

      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 52.

      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 2 locations. Consider refactoring.
      Open

          def execute(self, sql, params=None):
        with self.db.wrap_database_errors:
            if params is None:
                return self.cursor.execute(sql)
            else:
      Severity: Major
      Found in django_cassandra_engine/utils.py and 1 other location - About 2 hrs to fix
      django_cassandra_engine/utils.py on lines 34..39

      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 52.

      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

          "default": {
        "ENGINE": "django_cassandra_engine",
        "NAME": "db",
        "USER": "cassandra",
        "PASSWORD": "cassandra",
      Severity: Major
      Found in testproject/settings/default_cassandra.py and 2 other locations - About 1 hr to fix
      testproject/settings/metadata_disabled.py on lines 13..31
      testproject/settings/multi_cassandra.py on lines 13..31

      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 49.

      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

          "cassandra": {
        "ENGINE": "django_cassandra_engine",
        "NAME": "db",
        "USER": "cassandra",
        "PASSWORD": "cassandra",
      Severity: Major
      Found in testproject/settings/multi_cassandra.py and 2 other locations - About 1 hr to fix
      testproject/settings/default_cassandra.py on lines 6..24
      testproject/settings/metadata_disabled.py on lines 13..31

      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 49.

      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

          "cassandra": {
        "ENGINE": "django_cassandra_engine",
        "NAME": "db",
        "USER": "cassandra",
        "PASSWORD": "cassandra",
      Severity: Major
      Found in testproject/settings/metadata_disabled.py and 2 other locations - About 1 hr to fix
      testproject/settings/default_cassandra.py on lines 6..24
      testproject/settings/multi_cassandra.py on lines 13..31

      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 49.

      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

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