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📁 ..
📄 __init__.py(1.37 KB)
📁 __pycache__
📄 clcagefs.py(10.01 KB)
📄 clcaptain.py(1.96 KB)
📄 clconfig.py(1.68 KB)
📄 clconfpars.py(10.13 KB)
📄 clcustomscript.py(1.16 KB)
📄 cldebug.py(905 B)
📄 clemail.py(1.65 KB)
📄 clexception.py(1.14 KB)
📄 clfunc.py(6.47 KB)
📄 clhook.py(3.86 KB)
📄 cllog.py(1.45 KB)
📄 cloutput.py(471 B)
📄 clproc.py(4.05 KB)
📄 clpwd.py(7.74 KB)
📄 clquota.py(1.27 KB)
📄 clsec.py(657 B)
📄 clwpos_lib.py(15.4 KB)
📄 const.py(277 B)
📁 cpapi
📄 evr_utils.py(3.58 KB)
📄 features.py(5.04 KB)
📄 group_info_reader.py(5.29 KB)
📁 lib
📄 lock.py(1.02 KB)
📄 mail_helper.py(4.45 KB)
📄 mysql_lib.py(5.84 KB)
📄 php_conf_reader.py(9.77 KB)
📁 public_hooks
📄 sysctl.py(7.61 KB)
📄 ui_config.py(3.12 KB)
📄 utils.py(30.28 KB)
📄 utils_cmd.py(2.71 KB)

Editing: evr_utils.py

# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
# author: Ruslan Pisarev  <rpisarev@cloudlinux.com>
# created: 25.07.13  12:36
# description: alternatives,rpm_compare: hash-string for coding EVR

# Examples of serialization you can look at tests/test_evr_utils.py

from typing import Union, List, AnyStr, Tuple, Optional

__all__ = [
    'serialize_evr'
]

def encode_int_to_real_numbers_segment(intgr: Union[int]) -> List[Union[int]]:
    """
    Encode int in real-numbers segment.
    See http://en.wikipedia.org/wiki/Arithmetic_coding.

@param intgr:       int for coding in Float an segment [seg_begin, seg_end]
    @return:            list encoding segment
    """
    lst = []
    number = intgr
    while number > 0:
        number, remainder = divmod(number, 256)
        lst.append(remainder)
    lst.append(128 + len(lst))
    lst.reverse()
    return lst

def evr_to_float(rpm_data: List[Union[int, AnyStr]]) -> AnyStr:
    """
    Encode List of parts of Version or Epoch or Release in real-numbers segment.
    See http://en.wikipedia.org/wiki/Arithmetic_coding.

@param rpm_data:    list to convert in double
    @return:            Converted string
    """
    evr = []
    for elem in rpm_data:
        if isinstance(elem, int):
            evr.extend(encode_int_to_real_numbers_segment(elem))
        elif isinstance(elem, str) and elem.isdigit():
            evr.extend(encode_int_to_real_numbers_segment(int(elem)))
        elif isinstance(elem, str):
            evr.extend(ord(ch) for ch in elem)
        else:
            raise NameError(f'ThisStrange: {elem}')
        evr.append(0)
    return "".join([f"{n:02x}" for n in evr])

def serialize_evr(evr: Union[List[AnyStr], Tuple[AnyStr], AnyStr]) -> AnyStr:
    """
    Converts epoch, version and release of package to unique string.

Ex:
    ['1', '2.4.4', '34'] -> '810100008102008104008104000081220000'
    ['0', '2.2.3', '76.el5_9.cloudlinux'] -> 80000081020081020081030000814c00656c00810500810900636c6f75646c696e75780000

@param evr:         List from epoch, version and release
    @return:            str for given list
    """
    ret = ''
    if not isinstance(evr, (list, tuple)):
        evr = [evr]
    for i in evr:
        ret += evr_to_float(split_segments(i)) + '00'
    return ret

def split_segments(string: Optional[AnyStr]) -> List[AnyStr]:
    """
    Split str of epoch or version or release to numbers and strings.

Ex:
    '76.el5_9.cloudlinux.2' -> ['76', 'el', '5', '9', 'cloudlinux', '2']

@param string:           str of epoch or version or release
    @return:            List strings and numbers from EVR
    """

if string is None:
        return []
    prev_symb = string[0]
    begin_index = 0
    segments = []
    for i, el in enumerate(string):
        # Continue loop if a type of current symbol is equal to a type of previous symbol
        # Ex: In string 'el7' symbols 'e' and 'l' have the same type (alphabetic) and
        # we should take the part of string 'el' as whole
        if str(prev_symb + el).isdigit() or str(prev_symb + el).isalpha():
            prev_symb = el
            continue
        # skip segement if it is't alpha/numeric
        if string[begin_index:i].isalnum():
            segments.append(string[begin_index:i])
        begin_index = i
        prev_symb = string[begin_index]
    # skip end of a string if it isn't alpha/numeric
    if string[begin_index:].isalnum():
        segments.append(string[begin_index:])
    return segments

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Editing: evr_utils.py

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