37 	def __init__(self, repository, filename, revision, checksum):  argument
41 		self.checksum	= checksum
44 		return hash((self.repository, self.filename, self.revision, self.checksum))
47 …, self.filename, self.revision, self.checksum) == (other.repository, other.filename, other.revisio…
56 		return self.checksum
103 def fetchFile (dstPath, repository, revision, filename, checksum, cacheDir):  argument
116 	if checksum != gotChecksum:
117 		raise Exception("Checksum mismatch, expected %s, got %s" % (checksum, gotChecksum))
121 def checkFile (filename, checksum):  argument
129 		return computeChecksum(readFile(filename)) == checksum
144 	if not checkFile(cachePath, source.checksum):