Android提供了一套很方便的進行資源（語言）國際化機制，為了更好地支持多語言，很多工程的翻譯往往會放到類似crowdin這樣的平臺上。資源是全了，但是還是會有一些問題。

哪些問題

以下使用一些語言進行舉例。其中values為工程默認的資源。

1.某語言的資源和某語言限定區域的資源之間。如values-fr-rCA存在于values-fr相同的字符串，這種表現最為嚴重。
2.某語言的資源和默認的資源之間。values-fr存在與values相同的字符串，可能原因是由于values-fr存在未翻譯字符串導致

為什么要去重

潔癖，容不下半點冗余。

解決思路

1.如果values-fr-rCA存在于values-fr相同的字符串，去除values-fr-rCA中的重復字符串，保留values-fr。這樣可以保證在values-fr-rCA下也可以正確讀取到資源。

2.如果values-fr存在與values相同的字符串。如去除values-fr中得重復字符串，保留values的條目。

Py腳本

代碼如下:

#!/usr/bin/env python
# coding=utf-8
from os import listdir,path, system
from sys import argv
try:
import xml.etree.cElementTree as ET
except ImportError:
import xml.etree.ElementTree as ET

def genRegionLangPair(filePath):
basicLanguage = None
if ('values' in filePath) :
hasRegionLimit = ('r' == filePath[-3:-2])
if (hasRegionLimit):
basicLanguage = filePath[0:-4]
if (not path.exists(basicLanguage)) :
return None
belongsToEnglish = ("values-en" in basicLanguage)
if (belongsToEnglish):
#Compare with the res/values/strings.xml
return (path.dirname(basicLanguage) + '/values/strings.xml', filePath + "/strings.xml")
else:
return (basicLanguage + '/strings.xml', filePath + "/strings.xml")
return None

def genLangPair(filePath):
def shouldGenLanPair(filePath):
if (not 'values' in filePath ):
return False
if('dpi' in filePath):
return False
if ('dimes' in filePath):
return False
if ('large' in filePath):
return False
return True

if(shouldGenLanPair(filePath)):
basicLanguage = path.dirname(filePath) + '/values/strings.xml'
targetLanguage = filePath + '/strings.xml'
if (not path.exists(targetLanguage)):
return None

if (not path.samefile(basicLanguage,targetLanguage)) :
return (basicLanguage, targetLanguage)
return None

def genCompareList(filePath):
compareLists = []
for file in listdir(filePath):
regionPair = genRegionLangPair(filePath + '/' + file)
if (None != regionPair):
compareLists.append(regionPair)

languagePair = genLangPair(filePath + '/' + file)
if (None != languagePair) :
compareLists.append(languagePair)

return compareLists

def getXmlEntries(filePath):
root = ET.ElementTree(file=filePath).getroot()
entries = {}
for child in root:
attrib = child.attrib
if (None != attrib) :
entries[attrib.get('name')] = child.text
print 'xmlEntriesCount',len(entries)
return entries

def rewriteRegionFile(sourceEntries, filePath):
if (not path.exists(filePath)):
return
ET.register_namespace('xliff',"urn:oasis:names:tc:xliff:document:1.2")
tree = ET.ElementTree(file=filePath)
root = tree.getroot()
print root
totalCount = 0
removeCount = 0
unRemoveCount = 0
print len(root)
toRemoveList = []
for child in root:
totalCount = totalCount + 1
attrib = child.attrib
if (None == attrib):
continue

childName = attrib.get('name')

if (sourceEntries.get(childName) == child.text):
removeCount = removeCount + 1
toRemoveList.append(child)
else:
unRemoveCount = unRemoveCount + 1
print childName, sourceEntries.get(childName), child.text
print filePath,totalCount, removeCount,unRemoveCount

for aItem in toRemoveList:
root.remove(aItem)

if (len(root) != 0 ):
tree.write(filePath, encoding="UTF-8")
else:
command = 'rm -rf %s'%(path.dirname(filePath))
print command
system(command)

def main(projectDir):
lists = genCompareList(projectDir + "/res/")

for item in lists:
print item
src = item[0]
dest = item[1]
rewriteRegionFile(getXmlEntries(src),dest)

if __name__ == "__main__":
if (len(argv) == 2) :
main(argv[1])

如何使用

代碼如下:

python removeRepeatedStrings.py your_android_project_root_dir

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