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# -*- coding: utf-8 -*-
from testexception import TestException
import fnmatch, hashlib, os
def md5sum( fileObj ):
md5 = hashlib.md5()
while True:
chunk = fileObj.read( 4096 )
if not chunk:
break
md5.update( chunk )
return md5.hexdigest()
def locateFiles( rootPath, pattern ):
for path, dirs, files in os.walk( os.path.abspath( rootPath ) ):
for filename in fnmatch.filter( files, pattern ):
yield os.path.join( path, filename )
def checkFileImpl( path, expectedSize=-1, expectedMd5=None ):
#TODO: normalize path/convert to platform
if not os.path.exists( path ):
raise TestException( '{0}: file does not exist'.format( path ) )
size = os.path.getsize( path )
if expectedSize >= 0 and size != expectedSize:
raise TestException( '{0}: unexpected size. Actual: {1} Expected: {2}'.format( path, size, expectedSize ) )
if ( expectedMd5 != None ):
fileObj = file( path, 'rb' )
md5 = md5sum( fileObj )
fileObj.close()
if md5 != expectedMd5:
raise TestException( '{0}: md5sum mismatch. Actual: {1} Expected: {2}'.format( path, md5, expectedMd5 ) )
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