eric6/WebBrowser/SafeBrowsing/SafeBrowsingThreatList.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
91e843545d9a
child 8207
d359172d11be
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

# -*- coding: utf-8 -*-

# Copyright (c) 2018 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the threat list info class.
"""


class ThreatList(object):
    """
    Class implementing the threat list info.
    """
    def __init__(self, threatType, platformType, threatEntryType):
        """
        Constructor
        
        @param threatType threat type
        @type str
        @param platformType platform type
        @type str
        @param threatEntryType threat entry type
        @type str
        """
        self.threatType = threatType
        self.platformType = platformType
        self.threatEntryType = threatEntryType

    @classmethod
    def fromApiEntry(cls, entry):
        """
        Class method to instantiate a threat list given a threat list entry
        dictionary.
        
        @param entry threat list entry dictionary
        @type dict
        @return instantiated object
        @rtype ThreatList
        """
        return cls(entry['threatType'], entry['platformType'],
                   entry['threatEntryType'])

    def asTuple(self):
        """
        Public method to convert the object to a tuple.
        
        @return tuple containing the threat list info
        @rtype tuple of (str, str, str)
        """
        return (self.threatType, self.platformType, self.threatEntryType)

    def __repr__(self):
        """
        Special method to generate a printable representation.
        
        @return printable representation
        @rtype str
        """
        return '/'.join(self.asTuple())


class HashPrefixList(object):
    """
    Class implementing a container for threat list data.
    """
    def __init__(self, prefixLength, rawHashes):
        """
        Constructor
        
        @param prefixLength length of each hash prefix
        @type int
        @param rawHashes raw hash prefixes of given length concatenated and
            sorted in lexicographical order
        @type str
        """
        self.__prefixLength = prefixLength
        self.__rawHashes = rawHashes
    
    def __len__(self):
        """
        Special method to calculate the number of entries.
        
        @return length
        @rtype int
        """
        return len(self.__rawHashes) // self.__prefixLength
    
    def __iter__(self):
        """
        Special method to iterate over the raw hashes.
        
        @return iterator object
        @rtype iterator
        """
        n = self.__prefixLength
        return (self.__rawHashes[index:index + n]
                for index in range(0, len(self.__rawHashes), n)
                )

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