Function send_file has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def send_file(self, path, mimetype=None):
        """Send a local file to the browser.

        This method includes the "Last-Modified", "Content-Type" and
        "Content-Length" headers in the response, corresponding to the file

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Function prevnext_nav has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def prevnext_nav(req, prev_label, next_label, up_label=None):
    """Add Previous/Up/Next navigation links.

       :param        req: a `Request` object
       :param prev_label: the label to use for left (previous) link

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Function _recvall has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def _recvall(sock, length):
        """
        Attempts to receive length bytes from a socket, blocking if necessary.
        (Socket may be blocking or non-blocking.)
        """

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Function process_request has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def process_request(self, req):
        prefix = req.args['prefix']
        filename = req.args['filename']

        dirs = []

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Function load has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def load(self, filename):
        # FIXME use a logger
        self.hash = {}
        with open(filename, encoding='utf-8') as fd:
            for line in fd:

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Function _getfile has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def _getfile(self, upload):
        filename = fileobj = size = None
        if hasattr(upload, 'filename'):
            filename = normalize_filename(upload.filename)
        if hasattr(upload, 'file'):

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Function _send_error has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def _send_error(req, exc_info, template='error.html', content_type='text/html',
                status=500, env=None, data={}):
    if env:
        add_stylesheet(req, 'common/css/code.css')
        metadata = {'content_type': 'text/html', 'iterable': False}

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Function mime_map_patterns has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def mime_map_patterns(self):
        if not self._mime_map_patterns:
            self._mime_map_patterns = {}
            for mapping in self.config['mimeviewer'] \
                    .getlist('mime_map_patterns'):

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Function check_permission has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def check_permission(self, action, username, resource, perm):

        if action == 'TICKET_CHG_MILESTONE' and \
                action not in PermissionSystem(self.env).actions and \
                self._is_valid_resource(resource, 'milestone') and \

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Function fields has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def fields(self):
        """Return the list of fields available for tickets."""
        from trac.ticket import model

        fields = TicketFieldList()

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Function get_all_columns has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def get_all_columns(self):
        # Prepare the default list of columns
        cols = ['id']
        cols += [f['name'] for f in self.fields if f['type'] != 'textarea']
        for col in ('reporter', 'keywords', 'cc'):

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Function matches has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def matches(self, event):
        cc_users = None
        if _is_ticket_change_event(event):
            # CC field is stored as comma-separated string. Parse to set.
            chrome = Chrome(self.env)

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Function get_changes has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def get_changes(self, old_path, old_rev, new_path, new_rev,
                    ignore_ancestry=0):
        # TODO: handle renames/copies, ignore_ancestry
        old_path = self.normalize_path(old_path)
        new_path = self.normalize_path(new_path)

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Function actions2graphviz has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def actions2graphviz(actions, show_ops=False, show_perms=False):
    """Returns a list of lines to be fed to graphviz."""
    # The size value makes it easier to create a useful printout.
    color_scheme = ColorScheme()
    digraph_lines = ["""

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Function normalize_rev has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def normalize_rev(self, rev):
        """Take any revision specification and produce a revision suitable
        for the rest of the API
        """
        if rev is None or isinstance(rev, str) and \

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Function check_permission has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def check_permission(self, action, username, resource, perm):
        if not self.authz_mtime or \
                os.path.getmtime(self.authz_file) != self.authz_mtime:
            self.parse_authz()
        resource_key = self.normalise_resource(resource)

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Function _history has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def _history(self, path, start, end, pool):
        """`path` is a str path in the scope.

        Generator yielding `(path, rev)` pairs, where `path` is a `str`
        object. Must start with `(path, created rev)`.

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Function _parse_message has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def _parse_message(self, message):
        """Parse the commit message and return the ticket references."""
        cmd_groups = self.command_re.finditer(message)
        functions = self._get_functions()
        tickets = {}

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Function do_upgrade has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def do_upgrade(env, ver, cursor):
    """Upgrade the workflow."""

    # Upgrade the reports to better handle the new workflow capabilities.
    with env.db_query as db:

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Function filter_ignorable_lines has 7 arguments (exceeds 4 allowed). Consider refactoring.

Open

def filter_ignorable_lines(hunks, fromlines, tolines, context,