def __init__(self, leftFolder, rightFolder):
self.syncType = 0 # default keepboth
self.comparatorStatus = FolderComparatorStatus()
self.leftFolder = leftFolder
self.rightFolder = rightFolder
self.filesLeft = {}
self.filesRight = {}
self.inBothButDifferent = set()
self.inRightButNotInLeft = set()
self.inLeftButNotInRight = set()
class FolderComparator:
"""This class will be used to compare and sync 2 different folders
The folder structure will be considered as LEFT and RIGHT (from a diff view)
TODO more comments to be added
"""
syncTypeList = {'keepboth': 0, 'keepbigger': 1, 'keepnewer': 2, }
def __init__(self, leftFolder, rightFolder):
self.syncType = 0 # default keepboth
self.comparatorStatus = FolderComparatorStatus()
self.leftFolder = leftFolder
self.rightFolder = rightFolder
self.filesLeft = {}
self.filesRight = {}
self.inBothButDifferent = set()
self.inRightButNotInLeft = set()
self.inLeftButNotInRight = set()
def visitAllSubfolders(self):
# make 2 threads
self.comparatorStatus.setStatus("running")
myElementsLeftFolder = len(self.leftFolder)
myElementsRightFolder = len(self.rightFolder)
for root, dirs, files in os.walk(self.leftFolder):
for myFileName in files:
myfile = os.path.join(root, myFileName)
if not myFileName.endswith('lock'):
mystat = os.stat(myfile)
# print("%s occupies %d bytes" %(myfile, mystat.st_size), end=" ") #add back
self.filesLeft[myfile[myElementsLeftFolder:]] = mystat # .st_size
for root, dirs, files in os.walk(self.rightFolder):
for myFileName in files:
myfile = os.path.join(root, myFileName)
if not myFileName.endswith('lock'):
mystat = os.stat(myfile)
# print("%s occupies %d bytes" %(myfile, mystat.st_size), end=" ") # add back
self.filesRight[myfile[myElementsRightFolder:]] = mystat
def getFilesLeft(self):
return self.filesLeft
def getFilesRight(self):
return self.filesRight
def setSyncType(self, aSyncType):
if aSyncType.__class__ == "".__class__ and aSyncType in self.syncTypeList.keys():
self.syncType = self.syncTypeList[aSyncType]
def copyFromRightToLeft(self, myFile):
print("copy r->l")
shutil.copy2(self.rightFolder + myFile, self.leftFolder + myFile)
def copyFromLeftToRight(self, myFile):
print("copy l->r")
shutil.copy2(self.leftFolder + myFile, self.rightFolder + myFile)
def syncNow(self):
for myFile in self.inLeftButNotInRight:
shutil.copy2(self.leftFolder + myFile, self.rightFolder + myFile)
for myFile in self.inRightButNotInLeft:
shutil.copy2(self.rightFolder + myFile, self.leftFolder + myFile)
mySyncMode = self.getSyncType()
for myFile in self.inBothButDifferent:
if mySyncMode == 0:
print("default keep both copies")
mySplitPath = os.path.split(self.leftFolder + myFile)
myNewFile = os.path.join(mySplitPath[0], "c0py_" + mySplitPath[1])
shutil.move(self.leftFolder + myFile, myNewFile) # left.a >> left.new_a
self.copyFromRightToLeft(myFile) # right.a -> left.a
mySplitPath = os.path.split(self.rightFolder + myFile)
myNewFileRight = os.path.join(mySplitPath[0], "c0py_" + mySplitPath[1])
shutil.copy2(myNewFile, myNewFileRight) # left.new_a -> right.new_a
# print("L new", myNewFile)
# print("L", self.leftFolder + myFile)
# print("R", self.rightFolder + myFile)
elif mySyncMode == 1:
print("use bigger file")
myLFStat = self.filesLeft[myFile]
myRFStat = self.filesRight[myFile]
if myLFStat.st_size < myRFStat.st_size:
self.copyFromRightToLeft(myFile)
else:
self.copyFromLeftToRight(myFile)
else:
myLFStat = self.filesLeft[myFile]
myRFStat = self.filesRight[myFile]
print("use newer file")
if myLFStat.st_mtime < myRFStat.stmtime:
self.copyFromRightToLeft(myFile)
else:
self.copyFromLeftToRight(myFile)
# vector_stanga = [self.leftFolder + f for f in self.inBothButDifferent]
# vector_dreapta = [self.rightFolder + f for f in self.inBothButDifferent]
# spl = os.path.split(path)
# os.path.join(spl[0], 'c0py_' + spl[1]) =>
# Split the pathname path into a pair, (head, tail) where tail is the last pathname component and head is everything leading up to that.
def runComparison(self):
self.visitAllSubfolders()
set_a = set(self.getFilesLeft().keys())
set_b = set(self.getFilesRight().keys())
for k, v in self.getFilesRight().items():
print("[%s] = %s" % (self.rightFolder + k, v.st_size))
self.inLeftButNotInRight = set_a.difference(set_b)
self.inRightButNotInLeft = set_b.difference(set_a)
self.inBothButDifferent = set_a.intersection(set_b)
self.checkSimilarItems()
self.comparatorStatus.updateStatus("comparison done")
def printReport(self):
# filesTestArray = []
print("LEFT")
for f in self.inLeftButNotInRight:
print(" " * 4 + self.leftFolder + f + " in " + self.rightFolder + f)
print("RIGHT")
for f in self.inRightButNotInLeft:
print(" " * 4 + self.rightFolder + f + " in " + self.leftFolder + f)
# vector_stanga = [self.leftFolder + f for f in self.inBothButDifferent]
# vector_dreapta = [self.rightFolder + f for f in self.inBothButDifferent]
print("BOTH")
# for (myFileLeft, myFileRight) in zip(vector_stanga, vector_dreapta):
# print(" %s is similar to other folder %s " % (myFileLeft, filecmp.cmp(myFileLeft, myFileRight)))
for myFile in self.inBothButDifferent:
print(" is the same file %s ? %s" % (myFile, filecmp.cmp(self.leftFolder + myFile, self.rightFolder + myFile)))
# no working?
# filecmp.cmpfiles(vector_stanga, vector_dreapta, filesTestArray, shallow=False)
# print("simiar files %s" % filesTestArray)
def isInSync(self):
if self.comparatorStatus.getLastRun() != 0 or len(self.inLeftButNotInRight) == 0 and len(self.inRightButNotInLeft) == 0:
self.comparatorStatus.setStatus("synced")
return True
else:
self.comparatorStatus.setStatus("not synced")
return False
def printStats(self):
print("object size %04d bytes" % sys.getsizeof(self))
print("comparator size %04d bytes" % sys.getsizeof(self.comparatorStatus))
print("left array %d elements occupying %04d Bytes" % (len(self.filesLeft), sys.getsizeof(self.filesLeft)))
print("right array %d elements occupying %04d Bytes" % (len(self.filesRight), sys.getsizeof(self.filesRight)))
def checkSimilarItems(self):
myMatchedFiles = []
for myFile in self.inBothButDifferent:
if filecmp.cmp(self.leftFolder + myFile, self.rightFolder + myFile):
myMatchedFiles.append(myFile)
for myFile in myMatchedFiles:
self.inBothButDifferent.remove(myFile)
def getSyncType(self):
return self.syncType
