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versionCompareTest.py
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#===============================================================================
# @version: 1.0.0
# @summary: Test script for version compare function
# @copyright: (C) 2012 Mathias Gebhardt
# @license: GNU General Public License version 2 or later; see LICENSE.txt
#===============================================================================
from xml.dom.minidom import parse, parseString
import zipfile
import os
import sys
import urllib2
import re
#===============================================================================
# Checks whether version1 is newer than version2
#===============================================================================
def version_compare(version1, version2):
#===========================================================================
# Konverts the release keywords to numbers
# some text < dev < alpha = a < beta = b < RC = rc < # < pl = p < ''
#===========================================================================
def text_to_number(text):
text = text.lower()
if text == '':
number = 7
elif text == 'dev':
number = 1
elif text == 'alpha' or text == 'a':
number = 2
elif text == 'beta' or text == 'b':
number = 3
elif text == 'rc':
number = 4
elif text == '#':
number = 5
elif text == 'pl' or text == 'p':
number = 6
else:
number = 0
return number
#===========================================================================
# Normalize version
# Replace _, - and + with . and split string at the dots
#===========================================================================
def normalize_version(version):
# replace _, - and + with .
version.replace('_', '.')
version.replace('-', '.')
version.replace('+', '.')
# add dots befor and after text
version = re.sub(r'([^\d\.]+)', r'.\1.', version)
version = re.sub(r'\.{2,}', r'.', version)
# split at the dots
version = version.split('.')
# convert to int and fill up all 3 release numbers with 0
for i in range(0, 5):
if len(version) <= i:
if i != 3:
# normaly append 0
version.append(0)
else:
# if text not set append 7
version.append(7)
version.append(0)
break
else:
if i != 3:
# normaly convert string to int
version[i] = int(version[i])
else:
# if text use conversion method
version[i] = text_to_number(version[i])
return version
version1 = normalize_version(version1.lower())
version2 = normalize_version(version2.lower())
# check major/minor/maintenance release number
for i in range(0,5):
if version1[i] > version2[i]:
# that's it; new major/minor/maintenance release
return 1
elif version1[i] < version2[i]:
# version 2 has a new major/minor/maintenance release
return -1
# versions are equal
return 0
version1 = '0.6.0dev2'
print version_compare(version1, '0.6.0dev1')
print version_compare(version1, '0.6.0dev2')
print version_compare(version1, '0.6.0dev3')
print version_compare(version1, '0.6.0alpha1')
print version_compare(version1, '0.6.0hallo1')
print version_compare(version1, '0.6')