Avoid too many return statements within this function.

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                return ''

Avoid too many return statements within this function.

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            return tag.div(

Avoid too many return statements within this function.

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                return tag.span(alist[0], *[(', ', a) for a in alist[1:]])

Avoid too many return statements within this function.

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                return tag.div(

Avoid too many return statements within this function.

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                return tag.div(tag.dl([(tag.dt(ticket_anchor(ticket)),

Avoid too many return statements within this function.

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                    return ("COALESCE(%s,'')%s=%%s"

Avoid too many return statements within this function.

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                    return (('NOT ' if neg else '')

Avoid too many return statements within this function.

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            return 'ticket_preview.html', data

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        return resolved

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                return rc

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        return None                     # no match for action, can't decide

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            return None

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        return 'ticket.html', data

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                return None

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

Open

    def get_repository_by_path(self, path):
        """Retrieve a matching `Repository` for the given `path`.

        :param path: the eventually scoped repository-scoped path
        :return: a `(reponame, repos, path)` triple, where `path` is

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

Open

    def _normrev(self, rev):
        if not rev:
            raise NoSuchChangeset(rev)
        if self.resolve:
            return self.repos.normalize_rev(rev)

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

Open

    def get_real_repositories(self):
        """Return a sorted list of all real repositories (i.e. excluding
        aliases).
        """
        repositories = set()

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

Open

    def component_guard(self, component, reraise=False):
        """Traps any runtime exception raised when working with a component
        and logs the error.

        :param component: the component responsible for any error that

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

Open

    def get_resource_url(self, resource, href, **kwargs):
        if resource.realm == self.changeset_realm:
            parent = resource.parent
            return href.changeset(resource.id, parent and parent.id or None)
        elif resource.realm == self.source_realm:

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

Open

    def _prepare_diff(self, req, page, old_text, new_text,
                      old_version, new_version):
        diff_style, diff_options, diff_data = get_diff_options(req)
        diff_context = 3
        for option in diff_options:

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