smok-serwis/coolamqp

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coolamqp/attaches/declarer.py

Summary

Maintainability
D
1 day
Test Coverage
D
65%

Cyclomatic complexity is too high in method on_close. (8)
Open

    def on_close(self, payload=None):

        # we are interested in ChannelClose during order execution,
        # because that means that operation was illegal, and must
        # be discarded/exceptioned on future
Severity: Minor
Found in coolamqp/attaches/declarer.py by radon

Cyclomatic Complexity

Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

Construct Effect on CC Reasoning
if +1 An if statement is a single decision.
elif +1 The elif statement adds another decision.
else +0 The else statement does not cause a new decision. The decision is at the if.
for +1 There is a decision at the start of the loop.
while +1 There is a decision at the while statement.
except +1 Each except branch adds a new conditional path of execution.
finally +0 The finally block is unconditionally executed.
with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
assert +1 The assert statement internally roughly equals a conditional statement.
Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

Source: http://radon.readthedocs.org/en/latest/intro.html

Cyclomatic complexity is too high in method _callback. (8)
Open

    def _callback(self, payload):
        assert not self.done
        self.done = True
        if isinstance(payload, ChannelClose):
            err = AMQPError(payload)
Severity: Minor
Found in coolamqp/attaches/declarer.py by radon

Cyclomatic Complexity

Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

Construct Effect on CC Reasoning
if +1 An if statement is a single decision.
elif +1 The elif statement adds another decision.
else +0 The else statement does not cause a new decision. The decision is at the if.
for +1 There is a decision at the start of the loop.
while +1 There is a decision at the while statement.
except +1 Each except branch adds a new conditional path of execution.
finally +0 The finally block is unconditionally executed.
with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
assert +1 The assert statement internally roughly equals a conditional statement.
Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

Source: http://radon.readthedocs.org/en/latest/intro.html

File declarer.py has 251 lines of code (exceeds 250 allowed). Consider refactoring.
Open

# coding=UTF-8
"""
queue.declare, exchange.declare and that shit
"""
from __future__ import print_function, absolute_import, division
Severity: Minor
Found in coolamqp/attaches/declarer.py - About 2 hrs to fix

    Function _callback has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

        def _callback(self, payload):
            assert not self.done
            self.done = True
            if isinstance(payload, ChannelClose):
                err = AMQPError(payload)
    Severity: Minor
    Found in coolamqp/attaches/declarer.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 on_close has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
    Open

        def on_close(self, payload=None):
    
            # we are interested in ChannelClose during order execution,
            # because that means that operation was illegal, and must
            # be discarded/exceptioned on future
    Severity: Minor
    Found in coolamqp/attaches/declarer.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 span_exception has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

        def span_exception(self, exception):
            if self.parent_span is not None:
                if self.enqueued_span is None:
                    from opentracing import tags, logs
                    self.enqueued_span.set_tag(tags.ERROR, True)
    Severity: Minor
    Found in coolamqp/attaches/declarer.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 5 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        def __init__(self, declarer, queue, fut, span_parent=None, span_enqueued=None):
    Severity: Minor
    Found in coolamqp/attaches/declarer.py - About 35 mins to fix

      Function __init__ has 5 arguments (exceeds 4 allowed). Consider refactoring.
      Open

          def __init__(self, declarer, obj, fut=None, span_parent=None, span_enqueued=None):
      Severity: Minor
      Found in coolamqp/attaches/declarer.py - About 35 mins to fix

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

            def span_starting(self):
                if self.enqueued_span is not None:
                    self.enqueued_span.finish()
                    from opentracing import follows_from
                    self.processing_span = self.declarer.cluster.tracer.start_span('Declaring',
        Severity: Major
        Found in coolamqp/attaches/declarer.py and 1 other location - About 3 hrs to fix
        coolamqp/attaches/declarer.py on lines 92..99

        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 71.

        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 span_begin(self):
                if self.enqueued_span is not None:
                    self.enqueued_span.finish()
                    from opentracing import follows_from
                    self.processing_span = self.declarer.cluster.tracer.start_span('Declaring',
        Severity: Major
        Found in coolamqp/attaches/declarer.py and 1 other location - About 3 hrs to fix
        coolamqp/attaches/declarer.py on lines 78..85

        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 71.

        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

        Line too long (83 > 80 characters)
        Open

            def __init__(self, declarer, queue, fut, span_parent=None, span_enqueued=None):
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (84 > 80 characters)
        Open

            QueueDeclareOk, ChannelClose, QueueDelete, QueueDeleteOk, QueueBind, QueueBindOk
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (87 > 80 characters)
        Open

                    self.processing_span = self.declarer.cluster.tracer.start_span('Declaring',
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (101 > 80 characters)
        Open

                                                                                   child_of=self.parent_span,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (87 > 80 characters)
        Open

                self.in_process = None  # Operation instance that is being progressed right now
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (87 > 80 characters)
        Open

                    self.processing_span = self.declarer.cluster.tracer.start_span('Declaring',
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (89 > 80 characters)
        Open

                    Of course they do, but you will be told that it succeeded. This is by design,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (89 > 80 characters)
        Open

                :param persistent: will be redeclared upon disconnect. To remove, use "undeclare"
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (85 > 80 characters)
        Open

                    enqueued_span = self.cluster.tracer.start_span('Enqueued', child_of=span)
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (101 > 80 characters)
        Open

                                                                                   child_of=self.parent_span,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (99 > 80 characters)
        Open

                if self.state != ST_ONLINE or not len(self.left_to_declare) or self.in_process is not None:
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (86 > 80 characters)
        Open

            def __init__(self, declarer, obj, fut=None, span_parent=None, span_enqueued=None):
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (85 > 80 characters)
        Open

        from coolamqp.objects import Exchange, Queue, Callable, QueueBind as CommandQueueBind
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (99 > 80 characters)
        Open

            This will register it's own callback. Please, call on_connection_dead when connection is broken
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (97 > 80 characters)
        Open

                self.left_to_declare = collections.deque()  # since last disconnect. persistent+transient
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (99 > 80 characters)
        Open

            This also maintains a list of declared queues/exchanges, and redeclares them on each reconnect.
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Continuation line over-indented for visual indent
        Open

                                                     logs.ERROR_KIND: exception,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Continuation lines indentation.

        Continuation lines should align wrapped elements either vertically
        using Python's implicit line joining inside parentheses, brackets
        and braces, or using a hanging indent.
        
        When using a hanging indent these considerations should be applied:
        - there should be no arguments on the first line, and
        - further indentation should be used to clearly distinguish itself
          as a continuation line.
        
        Okay: a = (\n)
        E123: a = (\n    )
        
        Okay: a = (\n    42)
        E121: a = (\n   42)
        E122: a = (\n42)
        E123: a = (\n    42\n    )
        E124: a = (24,\n     42\n)
        E125: if (\n    b):\n    pass
        E126: a = (\n        42)
        E127: a = (24,\n      42)
        E128: a = (24,\n    42)
        E129: if (a or\n    b):\n    pass
        E131: a = (\n    42\n 24)

        Line too long (119 > 80 characters)
        Open

                                                                                   references=follows_from(self.enqueued_span))
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (83 > 80 characters)
        Open

                self.left_to_declare.append(Operation(self, obj, fut, span, enqueued_span))
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Continuation line over-indented for visual indent
        Open

                                                     logs.ERROR_OBJECT: exception})
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Continuation lines indentation.

        Continuation lines should align wrapped elements either vertically
        using Python's implicit line joining inside parentheses, brackets
        and braces, or using a hanging indent.
        
        When using a hanging indent these considerations should be applied:
        - there should be no arguments on the first line, and
        - further indentation should be used to clearly distinguish itself
          as a continuation line.
        
        Okay: a = (\n)
        E123: a = (\n    )
        
        Okay: a = (\n    42)
        E121: a = (\n   42)
        E122: a = (\n42)
        E123: a = (\n    42\n    )
        E124: a = (24,\n     42\n)
        E125: if (\n    b):\n    pass
        E126: a = (\n        42)
        E127: a = (24,\n      42)
        E128: a = (24,\n    42)
        E129: if (a or\n    b):\n    pass
        E131: a = (\n    42\n 24)

        Line too long (92 > 80 characters)
        Open

                super(DeleteQueue, self).__init__(declarer, queue, fut=fut, span_parent=span_parent,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (119 > 80 characters)
        Open

                                                                                   references=follows_from(self.enqueued_span))
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (83 > 80 characters)
        Open

            to fail futures with ConnectionDead, since this object does not watch for Fails
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (93 > 80 characters)
        Open

            __slots__ = ('done', 'fut', 'declarer', 'obj', 'on_done', 'parent_span', 'enqueued_span',
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

        Line too long (89 > 80 characters)
        Open

                    # But, we are super optimists. If we are not cancelled, and connection is ok,
        Severity: Minor
        Found in coolamqp/attaches/declarer.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
        lines; plus, limiting windows to 80 characters makes it possible to
        have several windows side-by-side.  The default wrapping on such
        devices looks ugly.  Therefore, please limit all lines to a maximum
        of 79 characters. For flowing long blocks of text (docstrings or
        comments), limiting the length to 72 characters is recommended.
        
        Reports error E501.

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