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lts/tools/inspector_protocol/jinja2/compiler.py

Summary

Maintainability
F
5 mos
Test Coverage

File compiler.py has 1381 lines of code (exceeds 250 allowed). Consider refactoring.
Open

# -*- coding: utf-8 -*-
"""
    jinja2.compiler
    ~~~~~~~~~~~~~~~
Severity: Major
Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 3 days to fix

    Function visit_Output has a Cognitive Complexity of 96 (exceeds 5 allowed). Consider refactoring.
    Open

        def visit_Output(self, node, frame):
        # if we have a known extends statement, we don't output anything
        # if we are in a require_output_check section
        if self.has_known_extends and frame.require_output_check:
            return
    Severity: Minor
    Found in lts/tools/inspector_protocol/jinja2/compiler.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

    CodeGenerator has 84 functions (exceeds 20 allowed). Consider refactoring.
    Open

    class CodeGenerator(NodeVisitor):

    def __init__(self, environment, name, filename, stream=None,
                 defer_init=False, optimized=True):
        if stream is None:
    Severity: Major
    Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 1 day to fix

      Function visit_For has a Cognitive Complexity of 42 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_For(self, node, frame):
        loop_frame = frame.inner()
        test_frame = frame.inner()
        else_frame = frame.inner()
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 6 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 visit_Template has a Cognitive Complexity of 29 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_Template(self, node, frame=None):
        assert frame is None, 'no root frame allowed'
        eval_ctx = EvalContext(self.environment, self.name)

        from jinja2.runtime import __all__ as exported
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 4 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 signature has a Cognitive Complexity of 29 (exceeds 5 allowed). Consider refactoring.
      Open

          def signature(self, node, frame, extra_kwargs=None):
        """Writes a function call to the stream for the current node.
        A leading comma is added automatically.  The extra keyword
        arguments may not include python keywords otherwise a syntax
        error could occour.  The extra keyword arguments should be given
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 4 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 visit_FromImport has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_FromImport(self, node, frame):
        """Visit named imports."""
        self.newline(node)
        self.write('included_template = %senvironment.get_template('
                   % (self.environment.is_async and 'await ' or ''))
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 3 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 has_safe_repr has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
      Open

      def has_safe_repr(value):
    """Does the node have a safe representation?"""
    if value is None or value is NotImplemented or value is Ellipsis:
        return True
    if type(value) in (bool, int, float, complex, range_type, Markup) + string_types:
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 macro_body has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
      Open

          def macro_body(self, node, frame):
        """Dump the function def of a macro or call block."""
        frame = frame.inner()
        frame.symbols.analyze_node(node)
        macro_ref = MacroRef(node)
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Include has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_Include(self, node, frame):
        """Handles includes."""
        if node.ignore_missing:
            self.writeline('try:')
            self.indent()
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 pop_assign_tracking has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
      Open

          def pop_assign_tracking(self, frame):
        """Pops the topmost level for assignment tracking and updates the
        context variables if necessary.
        """
        vars = self._assign_stack.pop()
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Block has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_Block(self, node, frame):
        """Call a block and register it for the template."""
        level = 0
        if frame.toplevel:
            # if we know that we are a child template, there is no need to
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Filter has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_Filter(self, node, frame):
        if self.environment.is_async:
            self.write('await auto_await(')
        self.write(self.filters[node.name] + '(')
        func = self.environment.filters.get(node.name)
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Import has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
      Open

          def visit_Import(self, node, frame):
        """Visit regular imports."""
        self.writeline('%s = ' % frame.symbols.ref(node.target), node)
        if frame.toplevel:
            self.write('context.vars[%r] = ' % node.target)
      Severity: Minor
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 55 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 generate has 7 arguments (exceeds 4 allowed). Consider refactoring.
      Open

      def generate(node, environment, name, filename, stream=None,
      Severity: Major
      Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 50 mins to fix

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

            def enter_frame(self, frame):
        undefs = []
        for target, (action, param) in iteritems(frame.symbols.loads):
            if action == VAR_LOAD_PARAMETER:
                pass
        Severity: Minor
        Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Name has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
        Open

            def visit_Name(self, node, frame):
        if node.ctx == 'store' and frame.toplevel:
            if self._assign_stack:
                self._assign_stack[-1].add(node.name)
        ref = frame.symbols.ref(node.name)
        Severity: Minor
        Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Extends has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
        Open

            def visit_Extends(self, node, frame):
        """Calls the extender."""
        if not frame.toplevel:
            self.fail('cannot use extend from a non top-level scope',
                      node.lineno)
        Severity: Minor
        Found in lts/tools/inspector_protocol/jinja2/compiler.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 6 arguments (exceeds 4 allowed). Consider refactoring.
        Open

            def __init__(self, environment, name, filename, stream=None,
        Severity: Minor
        Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 45 mins to fix

          Avoid deeply nested control flow statements.
          Open

                                  if getattr(self.environment.finalize,
                                   "contextfunction", False):
                            self.write('context, ')
                        close += 1
          Severity: Major
          Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 45 mins to fix

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

                def pull_dependencies(self, nodes):
        """Pull all the dependencies."""
        visitor = DependencyFinderVisitor()
        for node in nodes:
            visitor.visit(node)
            Severity: Minor
            Found in lts/tools/inspector_protocol/jinja2/compiler.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

            Avoid too many return statements within this function.
            Open

                            return False
            Severity: Major
            Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 30 mins to fix

              Avoid too many return statements within this function.
              Open

                  return False
              Severity: Major
              Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                        return True
                Severity: Major
                Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 30 mins to fix

                  Avoid too many return statements within this function.
                  Open

                                  return False
                  Severity: Major
                  Found in lts/tools/inspector_protocol/jinja2/compiler.py - About 30 mins to fix

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

                    def optimizeconst(f):
    def new_func(self, node, frame, **kwargs):
        # Only optimize if the frame is not volatile
        if self.optimized and not frame.eval_ctx.volatile:
            new_node = self.optimizer.visit(node, frame.eval_ctx)
                    Severity: Minor
                    Found in lts/tools/inspector_protocol/jinja2/compiler.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 write has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
                    Open

                        def write(self, x):
        """Write a string into the output stream."""
        if self._new_lines:
            if not self._first_write:
                self.stream.write('\n' * self._new_lines)
                    Severity: Minor
                    Found in lts/tools/inspector_protocol/jinja2/compiler.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 visit_Call has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
                    Open

                        def visit_Call(self, node, frame, forward_caller=False):
        if self.environment.is_async:
            self.write('await auto_await(')
        if self.environment.sandboxed:
            self.write('environment.call(context, ')
                    Severity: Minor
                    Found in lts/tools/inspector_protocol/jinja2/compiler.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

                    Identical blocks of code found in 4 locations. Consider refactoring.
                    Open

                    Severity: Major
                    Found in lts/tools/inspector_protocol/jinja2/compiler.py and 3 other locations - About 4 mos to fix
                    current/deps/v8/third_party/jinja2/compiler.py on lines 0..1721
                    current/tools/inspector_protocol/jinja2/compiler.py on lines 0..1721
                    lts/deps/v8/third_party/jinja2/compiler.py on lines 0..1721

                    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 12393.

                    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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