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current/deps/v8/third_party/jinja2/lexer.py

Summary

Maintainability
F
1 mo
Test Coverage

Function tokeniter has a Cognitive Complexity of 107 (exceeds 5 allowed). Consider refactoring.
Open

    def tokeniter(self, source, name, filename=None, state=None):
        """This method tokenizes the text and returns the tokens in a
        generator.  Use this method if you just want to tokenize a template.
        """
        source = text_type(source)
Severity: Minor
Found in current/deps/v8/third_party/jinja2/lexer.py - About 2 days 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

File lexer.py has 591 lines of code (exceeds 250 allowed). Consider refactoring.
Open

# -*- coding: utf-8 -*-
"""
    jinja2.lexer
    ~~~~~~~~~~~~
Severity: Major
Found in current/deps/v8/third_party/jinja2/lexer.py - About 1 day to fix

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

        def wrap(self, stream, name=None, filename=None):
        """This is called with the stream as returned by `tokenize` and wraps
        every token in a :class:`Token` and converts the value.
        """
        for lineno, token, value in stream:
    Severity: Minor
    Found in current/deps/v8/third_party/jinja2/lexer.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 __init__ has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
    Open

        def __init__(self, environment):
        # shortcuts
        c = lambda x: re.compile(x, re.M | re.S)
        e = re.escape
    Severity: Minor
    Found in current/deps/v8/third_party/jinja2/lexer.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

    Consider simplifying this complex logical expression.
    Open

            if environment.lstrip_blocks:
            # use '{%+' to manually disable lstrip_blocks behavior
            no_lstrip_re = e('+')
            # detect overlap between block and variable or comment strings
            block_diff = c(r'^%s(.*)' % e(environment.block_start_string))
    Severity: Major
    Found in current/deps/v8/third_party/jinja2/lexer.py - About 1 hr to fix

      Avoid deeply nested control flow statements.
      Open

                              if token.__class__ is Failure:
                            raise token(lineno, filename)
                        # bygroup is a bit more complex, in that case we
                        # yield for the current token the first named
                        # group that matched
      Severity: Major
      Found in current/deps/v8/third_party/jinja2/lexer.py - About 45 mins to fix

        Avoid deeply nested control flow statements.
        Open

                                if data == '{':
                            balancing_stack.append('}')
                        elif data == '(':
                            balancing_stack.append(')')
                        elif data == '[':
        Severity: Major
        Found in current/deps/v8/third_party/jinja2/lexer.py - About 45 mins to fix

          Avoid deeply nested control flow statements.
          Open

                                  for key, value in iteritems(m.groupdict()):
                            if value is not None:
                                stack.append(key)
                                break
                        else:
          Severity: Major
          Found in current/deps/v8/third_party/jinja2/lexer.py - About 45 mins to fix

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

            Severity: Major
            Found in current/deps/v8/third_party/jinja2/lexer.py and 3 other locations - About 1 mo to fix
            current/tools/inspector_protocol/jinja2/lexer.py on lines 0..739
            lts/deps/v8/third_party/jinja2/lexer.py on lines 0..739
            lts/tools/inspector_protocol/jinja2/lexer.py on lines 0..739

            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 4159.

            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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