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

def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
    refnames = variables["refnames"].strip()
    if refnames.startswith("$Format"):
        if verbose:
            print("variables are unexpanded, not using")
Severity: Minor
Found in versioneer.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

        self.assert_equal([bytes(c) for c in Chunker(3, 0x3, 4, 0).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'foobarboobaz' * 3])
Severity: Major
Found in attic/testsuite/chunker.py and 1 other location - About 2 hrs to fix
attic/testsuite/chunker.py on lines 17..17

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 53.

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

def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
    refnames = variables["refnames"].strip()
    if refnames.startswith("$Format"):
        if verbose:
            print("variables are unexpanded, not using")
Severity: Minor
Found in attic/_version.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

        self.assert_equal([bytes(c) for c in Chunker(3, 0x3, 3, 0).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'foobarboobaz' * 3])
Severity: Major
Found in attic/testsuite/chunker.py and 1 other location - About 2 hrs to fix
attic/testsuite/chunker.py on lines 20..20

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 53.

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 4 locations. Consider refactoring.
Open

        self.assert_equal([bytes(c) for c in Chunker(3, 0x3, 4, 1).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'foobar', b'boobazfo', b'obar', b'boobazfo', b'obar', b'boobaz'])
Severity: Major
Found in attic/testsuite/chunker.py and 3 other locations - About 2 hrs to fix
attic/testsuite/chunker.py on lines 14..14
attic/testsuite/chunker.py on lines 19..19
attic/testsuite/chunker.py on lines 22..22

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 4 locations. Consider refactoring.
Open

        self.assert_equal([bytes(c) for c in Chunker(3, 0x3, 3, 2).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'foo', b'barboobaz', b'foo', b'barboobaz', b'foo', b'barboobaz'])
Severity: Major
Found in attic/testsuite/chunker.py and 3 other locations - About 2 hrs to fix
attic/testsuite/chunker.py on lines 14..14
attic/testsuite/chunker.py on lines 21..21
attic/testsuite/chunker.py on lines 22..22

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 4 locations. Consider refactoring.
Open

        self.assert_equal([bytes(c) for c in Chunker(2, 0x3, 2, 0).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'fooba', b'rboobaz', b'fooba', b'rboobaz', b'fooba', b'rboobaz'])
Severity: Major
Found in attic/testsuite/chunker.py and 3 other locations - About 2 hrs to fix
attic/testsuite/chunker.py on lines 19..19
attic/testsuite/chunker.py on lines 21..21
attic/testsuite/chunker.py on lines 22..22

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 4 locations. Consider refactoring.
Open

        self.assert_equal([bytes(c) for c in Chunker(3, 0x3, 4, 2).chunkify(BytesIO(b'foobarboobaz' * 3))], [b'foob', b'arboobaz', b'foob', b'arboobaz', b'foob', b'arboobaz'])
Severity: Major
Found in attic/testsuite/chunker.py and 3 other locations - About 2 hrs to fix
attic/testsuite/chunker.py on lines 14..14
attic/testsuite/chunker.py on lines 19..19
attic/testsuite/chunker.py on lines 21..21

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

Function do_prune has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
Open

    def do_prune(self, args):
        """Prune repository archives according to specified rules"""
        repository = self.open_repository(args.repository, exclusive=True)
        manifest, key = Manifest.load(repository)
        cache = Cache(repository, key, manifest)
Severity: Minor
Found in attic/archiver.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 get_best_versions has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
Open

def get_best_versions(versionfile, tag_prefix, parentdir_prefix,
                      default=DEFAULT, verbose=False):
    # returns dict with two keys: 'version' and 'full'
    #
    # extract version from first of _version.py, 'git describe', parentdir.
Severity: Minor
Found in versioneer.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 16 (exceeds 5 allowed). Consider refactoring.
Open

    def __init__(self, repository, key, manifest, path=None, sync=True, warn_if_unencrypted=True):
        self.lock = None
        self.timestamp = None
        self.txn_active = False
        self.repository = repository
Severity: Minor
Found in attic/cache.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 listxattr has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

    def listxattr(path, *, follow_symlinks=True):
        ns = EXTATTR_NAMESPACE_USER
        if isinstance(path, str):
            path = os.fsencode(path)
        if isinstance(path, int):
Severity: Minor
Found in attic/xattr.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 versions_from_vcs has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
    # this runs 'git' from the root of the source tree. That either means
    # someone ran a setup.py command (and this code is in versioneer.py, so
    # IN_LONG_VERSION_PY=False, thus the containing directory is the root of
    # the source tree), or someone ran a project-specific entry point (and
Severity: Minor
Found in attic/_version.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 versions_from_vcs has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
    # this runs 'git' from the root of the source tree. That either means
    # someone ran a setup.py command (and this code is in versioneer.py, so
    # IN_LONG_VERSION_PY=False, thus the containing directory is the root of
    # the source tree), or someone ran a project-specific entry point (and
Severity: Minor
Found in versioneer.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

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

        for name in os.listdir(self.repository.path):
            if name.startswith('index.'):
                os.unlink(os.path.join(self.repository.path, name))
Severity: Major
Found in attic/testsuite/repository.py and 1 other location - About 1 hr to fix
attic/testsuite/repository.py on lines 134..136

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 48.

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

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

        for name in os.listdir(self.repository.path):
            if name.startswith('index.'):
                os.unlink(os.path.join(self.repository.path, name))
Severity: Major
Found in attic/testsuite/repository.py and 1 other location - About 1 hr to fix
attic/testsuite/repository.py on lines 154..156

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 48.

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 unpack_many has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
Open

    def unpack_many(self, ids, filter=None, preload=False):
        unpacker = msgpack.Unpacker(use_list=False)
        for data in self.fetch_many(ids):
            unpacker.feed(data)
            items = [decode_dict(item, (b'path', b'source', b'user', b'group')) for item in unpacker]
Severity: Minor
Found in attic/archive.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 process_file has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
Open

    def process_file(self, path, st, cache):
        safe_path = make_path_safe(path)
        # Is it a hard link?
        if st.st_nlink > 1:
            source = self.hard_links.get((st.st_ino, st.st_dev))
Severity: Minor
Found in attic/archive.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

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

        with open(os.path.join(self.tmppath, 'repository', 'data', '0', '0'), 'r+b') as fd:
            fd.seek(-1, os.SEEK_END)
            fd.write(b'X')
Severity: Major
Found in attic/testsuite/repository.py and 1 other location - About 1 hr to fix
attic/testsuite/repository.py on lines 266..268

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 46.

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

        with open(os.path.join(self.tmppath, 'repository', 'data', '0', '1'), 'r+b') as fd:
            fd.seek(-1, os.SEEK_END)
            fd.write(b'X')
Severity: Major
Found in attic/testsuite/repository.py and 1 other location - About 1 hr to fix
attic/testsuite/repository.py on lines 276..278

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 46.

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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