File bayes.py has 960 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""Bayes - determine spam likelihood using a Bayesian classifier.

This is a Bayesian-style probabilistic classifier, using an algorithm
based on the one detailed in Paul Graham's "A Plan For Spam" paper at:

File header_eval.py has 728 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""Expose some eval rules that do checks on the headers."""

from __future__ import absolute_import
from __future__ import division

Function _handle_line has a Cognitive Complexity of 57 (exceeds 5 allowed). Consider refactoring.

Open

    def _handle_line(self, filename, line, line_no, _depth=0):
        """Handles a single line."""
        try:
            line = line.decode("iso-8859-1").strip()
        except UnicodeDecodeError as e:

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File received_parser.py has 535 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""
Parser for Received headers
It extracts the following metadata:
:rdns
:ip

Function _tokenise_line has a Cognitive Complexity of 51 (exceeds 5 allowed). Consider refactoring.

Open

    def _tokenise_line(self, line, tokprefix, region):
        # Include quotes, .'s and -'s for URIs, and [$,]'s for Nigerian-scam
        # strings, and ISO-8859-15 alphas. Do not split on @'s; better
        # results keeping it.
        # Some useful tokens: "$31,000,000" "www.clock-speed.net" "f*ck" "Hits!"

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File message.py has 492 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""Internal representation of email messages."""

from builtins import str
from builtins import set
from builtins import list

Function _parse_relays has a Cognitive Complexity of 38 (exceeds 5 allowed). Consider refactoring.

Open

    def _parse_relays(self, relays):
        """Walks though a relays list to extract
        [un]trusted/internal/external relays"""
        is_trusted = True
        is_internal = True

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File wlbl_eval.py has 404 lines of code (exceeds 250 allowed). Consider refactoring.

Open

""" WLBLEval plugin."""
from __future__ import absolute_import
from builtins import str
import re
from collections import defaultdict

BayesPlugin has 38 functions (exceeds 20 allowed). Consider refactoring.

Open

class BayesPlugin(oa.plugins.base.BasePlugin):
    """Implement a somewhat Bayesian plug-in."""

    learn_caller_will_untie = False
    learn_no_relearn = False

File free_mail.py has 373 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""FreeMail Plugin

The FreeMail plugin checks the headers for indication that the sender's
domain is that of a site offering free email services.
"""

HeaderEval has 37 functions (exceeds 20 allowed). Consider refactoring.

Open

class HeaderEval(oa.plugins.base.BasePlugin):
    hotmail_addr_with_forged_hotmail_received = 0
    hotmail_addr_but_no_hotmail_received = 0
    tocc_sorted_count = 7
    tocc_similar_count = 5

WLBLEvalPlugin has 35 functions (exceeds 20 allowed). Consider refactoring.

Open

class WLBLEvalPlugin(oa.plugins.base.BasePlugin):
    eval_rules = ("check_from_in_whitelist", "check_to_in_whitelist",
                  "check_from_in_blacklist", "check_to_in_blacklist",
                  "check_from_in_list", "check_to_in_all_spam",
                  "check_to_in_list", "check_mailfrom_matches_rcvd",

Function check_spf_received_header has a Cognitive Complexity of 30 (exceeds 5 allowed). Consider refactoring.

Open

    def check_spf_received_header(self, received_spf_headers):
        for spf_header in received_spf_headers:
            match = RECEIVED_RE.match(spf_header)
            if not match:
                self.ctxt.log.debug("PLUGIN::SPF: invalid Received_SPF "

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Function _check_for_forged_received has a Cognitive Complexity of 29 (exceeds 5 allowed). Consider refactoring.

Open

    def _check_for_forged_received(self, msg):
        mismatch_from = 0
        mismatch_ip_helo = 0
        hostname_re = Regex(r"^\w+(?:[\w.-]+\.)+\w+$")
        ip_re = Regex(r"^(\d+\.\d+)\.\d+\.\d+")

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Function get_rdns has a Cognitive Complexity of 29 (exceeds 5 allowed). Consider refactoring.

Open

    def get_rdns(header):
        """Parsing rdns from Received header

        :param header: The received header without the 'from ' at the begin
        :return: rdns if is found if not it returns an empty string

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File mime_eval.py has 343 lines of code (exceeds 250 allowed). Consider refactoring.

Open

"""Expose some eval rules that do checks on the MIME headers."""

import re

import oa.locales

Function main has a Cognitive Complexity of 28 (exceeds 5 allowed). Consider refactoring.

Open

def main():
    options = parse_arguments(sys.argv[1:])
    oa.config.LAZY_MODE = not options.lazy_mode
    logger = oa.config.setup_logging("oa-logger", debug=options.debug)
    config_files = oa.config.get_config_files(options.configpath,

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Function check_illegal_chars has a Cognitive Complexity of 28 (exceeds 5 allowed). Consider refactoring.

Open

    def check_illegal_chars(self, msg, header, ratio, count, target=None):
        """look for 8-bit and other illegal characters that should be MIME
        encoded, these might want to exempt languages that do not use
        Latin-based alphabets, but only if the user wants it that way
        """

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Function check_dkim_adsp has a Cognitive Complexity of 28 (exceeds 5 allowed). Consider refactoring.

Open

    def check_dkim_adsp(self, msg, adsp_char="", domains_list=None,
                        target=None):
        """Check Author Domain Signing Practices from any author domains or
        from specified author domains only when there is no valid signature. """
        if not self.dkim_checked_signature:

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Function check_for_to_in_subject has a Cognitive Complexity of 27 (exceeds 5 allowed). Consider refactoring.

Open

    def check_for_to_in_subject(self, msg, test, target=None):
        """
        Check if to address is in Subject field.

        If it is called with 'address', check if full address is in subject,

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